Campbell Scientific SM64 Module Instruction Manual PDF

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Summary of Content for Campbell Scientific SM64 Module Instruction Manual PDF

roDEL S1fl6, 51164 SToRAGE IIODULES

AND

IIODEL SN2'2A STORAGE IIODUTE/RS2'2 I ilTERFACE

INSTRUCT IOil IIANUAL

REYfSfOll. 6lEE

copYRtGHT (cl 1985, lgEE, CATPBELL SCIENTIFIc' ll{c.

IIARRANTY AND AS5 ISTANCE

The Sl,ll6, 51164 STORAGE MODULES AND SU2t2A STORAGE

MODULE/R5232 TNTERFACE are warranfed agalnst defects In materl al s and rorkmansh I p. Th I s rarranty appl les for frel ve monfhs from date of del lvery. We wll I repalr or replace products whlch prove to be defectlve durlng the varranty perlod Pfgy!,09C they are returned prepald fo CAMPBELL SCIENTIFIC' lNC. CAMPBELL SCIENTIFIC, lNC. s I I I return warranted equlpment by surface carrler prepald. No other warranty ls expressed or lmpl.led. CAMPBELL SCIENTIFIC, lNC. ls not llable for consequEntlal d amage s.

Products may not be returned r lthout prlor authorlzatlon. To obtal n a Returned Mater l al s Aufhor lzat lon (RMA)r confact CAMPBELL SCIENTIFIC, lNC., phone (80.|) 753-2342. An RMA number w lll be lssued In order to f acll ltate ldentlf lcatlon of an lnstrument upon arrlval. Please rrlte thls number clearly on the outs I de of fhe sh I pp I ng confa I ner.

CAMPBELL SCIENTIFIC, lNC. does not accept col lect cal ls.

Non-r arranty products refurned for repa I r shou I d be accompanled by a Purchase order to cover the repalr.

PREFACE

Although the Storage Module shlpped w lth thls Manual ls a ful ly operatlonal verslon, two functlons I lsted on the front panel have not been programmed Into the flrmuare (EPROM). The unlmplemented functlons are (1) lt cannot be used to transfer a program to a datalogger and (2) lt cannot be used to recelve a program from a datalogger. Al I other functlons are lmplemented and worklng.

TABLE OF CONTENTS

Warranty and Assl stancg ... o. r..... o. o. o........ o......

Prgf acg . r . . . . . o . . . o . . . . t . . . . . . . . . . . . . . . . o . ' ' ' . ' ' ' ' ' ' t '

sEcT | 0Ns

1 . GENERAL INFORMAT lON .. ......... o.......................

PAGE

1-l

2.

3.

DATA STORAGE

2.1 Ggngf a I o . . . . . . . o . . . . . e . . . . . . . . . . . o . . o . . . . . . . . . . . . 2-1 2.2 TgSt & Inltlal lZatiOn ..........o.............o... 2-l 2.3 LOadtng Data FfOm Thg CR2t ....................... 2-3 2.4 LOad I n! Data FfOm The CR7 Of 21X ...... . .. o o.. . .. . 2-4 2.5 LOadlng Data FfOm Thg CR5 ....o................... 2-5 2.6 Load I ng Data From Compufer, Modem or Term I na | ... . 2-6

DATA RETR I EVAL

3.1 Ggngra | . . . . .. . . . .. o o o . . . . . . . . . . . o . . . o . . . . . . . . o . . . 3-1 3.2 Data Rgtfl gVal COmmandS .......... o.............. . 5-l t.3 unloadlng Data To A Termlnal 0r Prlnter 0n1y..... 3-4 5.4 UnlOadlng Data TO A COmputef ..o.................. 3-5 t,4.1 SM23Zl, AetUeen Termlnal and COmpUfer............ 3-5 5.4.2 S|4232A Betfeen Tefmlnal and MOdem o..........oo.. 3-6 3.4,3 SM252A tO an IBM PC Of COmpatlble........r....o. 3-6 3.4.4 S|4232A to a Compufer that ls not IBM PC Compatlble 3-7 5.4.5 SM252A tO Ansugi Modgm .o'..'..'.....ro....ro.rt. 3-7 3,5 Unl Oad I ng Data TO CaSSette Tape o...... o.......... 3-8

4. MA INTENANCE .... O.............. o..... o r.... o... o.... ' o ' 4-l

Append I x Appen d I x

Append I x

Append I x

Appendlx

A

B

APPEND I CES

Sw ltch and Bufton Funcf lon Summary ... o. o... ' Electrlcal Speclf tcatlons and Connector

P I nout . . . . . . . . . . . . o a . . . . . ' t ' o ' ' ' ' ' ' ' ' ' t o ' o '

A-t

B-l c

D

Blnary Flnal Storage Dafa Format Dgscr lpf ton ............... o.. o. t " o t "." " ' C-l

Set Up And Programs to Unload The Storage MoOirIg .......o.............''""""t'"t D-l

Schematlcs and Stuff I ng Charts ......... ..... E-1

2.1 Stor age Stora ge Stor age Sl"l232 A

sM232A s M252 A

SM CPU

TABLE OF CONTEN

F IGURES

Modu lg . . . . . . . . . . . . . | . .. . . . . . o . . . . .. . .. . . o . . . . Modulg and Sl4232A o.oo......................... Modu I g Assemb ly . . . . . . . . . . o . . . . o . o . . . . . . . o . . . .

Schematic 1 ... r........... r.......... Schgmat lc 2 .. . r...... ..... ... r '... o....... Stuf f ing Chart ... o. o o.......... o....... o....... Board Stuf f i ng Charf . . .... .. ... .. .. .... .. . r.. .

TABL E S

Commands ... r...... ....... o. r. r.... '... .......

3. 4. E. E.2 E.3 E.4

3.1 Defaulf

2

I

-2 -2 -2 -1 -2 -3 -4

CSlts Storage Modules (SM) and the SU232A Storage Module/R5232 Inferface ar deslgned to store and unload dafa recorded by Campbel I Sclentl f lc datal oggers. The data are stored ln the SM in baitery backed sol ld state CMOS RAM. The SM can unf oad tts data dtrdct fo a computer or prlnter vla the Sl4232A or It can unload dlrect fo cassette fape. Data on fhe cassette fape can be transfered to a computer uslng the C20 Cassetfe Inferface or the PC20l. The SM fas devetoped to provlde the user a

convenlent rel table method of data storage ln temperatures between -35 and *55oC. Thls method of data storage el lmlnates many of the Inconvenlences and problems assoclafed w lth the sfoiage of dafa on cassette tape ln sub-freezlng temperatures.

The Model sMl6 has 1 61384 (l6k) bytes of memory and w | | |

sfora uP to 8192 Lor Resolutlon or 4096 Hlgh Resglutlon data polnts.' The Modet SH64 ls functlonal ly ldentlcal to the SM16

bxcept that lt has 65,536 (64K) bytes of memory and rll I store uP

to 32rtOA Lor Resolutlon or 161348 Hlgh Resolutlon daf a -p-o^f -nf

s' -

A Low Resoluflon data Polnt fal ls betreen ! 6999 and f 0.001' A

Hlgh Resolutlon data p6tnt falls between t 99999 and + 0.00001. Reier to fhe 0peratorrs Manual of the datalogger fo determlne uhefher or not fhe datalogger has the Hlgh Resolutlon optlon.

Befora the SM leaves the Factory, lt has been tested In CSlts envlronmental chamber for several hours at -35oC and at *55"C' The humldlty operatlng rang of the electrlcal comPonenfs lnslde the SM ts 0'to'901 RH proviOeO tt ls noncondenslng. Envlronmental testlng of the SM at femperatures oufslde those referenced above can be performed. contact fhe Factory for detalls.

The sld relghs tro pounds and ls 1.75 Inches h.l.gh, 4.4 Inches wlde and O,Zi lnitres deep wlth another Inch of depth requlred for the connector. lthlle lt'ls connecfed fo a datalogger or the Slt232A tt drars lts operatlng PoYer (aProx. 0.5 0.5 mA qules- cntr g srA rhen storlhg/dumplng) from t.he datalogger. In a

tvolcal sltuatlon thls-amount of current draln wlll reduce the 2\k or CR2l batterv I lfe tlme by one fhlrd and the CR7 baffery.

"y"te ttme by-51. 'The Sl,l uses lis orn Internal battery to hold

tire data In CMos RAl.l rhen lt ls not connecfed to the datalogger-.- or SN232A. When lt ls not connected, the current draln of the SM

ls smal | "noultt that lts t nterna I battery should !ast slx to nl ne

year9.

The SM252A Storage Module/R5232 Interface ls a devlce rhlch allors communlcatlon to take ptace befreen the SM and a termlnal' prlnfer, Modem or computer. The userfs termlnal, efc' must have

SECT ION I . GENERAL I NFORHAT ION

| -l

The sl4232{ comes w lth and ls powered by a 110 vAc fransf that outputs 16 VAC. lt ls deslgned to operate ln the 0 to +4

SECTf 0N I . GENERAL I NFOR

a standard RS-232-C lnterface to connect to the SM232A. The functlons prlmarlly as a voltage level shlfter to translate to 5 VDC level used by the SM to the standard R5232 voltage level s. Another funct lon of the sM252A ls to prov lde a 5- vD poYr supply for the SM.

temperature range and the 0 to 901, noncondenslng RH range. welght of the SV|232A ls 0.7 pounds and lt ls 2 Inches hlgh, Inches wlde and 4.8 lnches deep.

The SM may al so be lnterfaced to the IBM PC or a compatl v I a the PC20 1 card and the SC209 cab I e.

1-2

324 0

SECTION 2. DATA STORAGE

2.1 GEHERAL

The Storage Module (SM) recelves data comlng from the datalogger rhtch otherw lse ls Intended for a Prlnter. The CR21

and the-CR5 automatlcal ly sand data to the prlnter/SM. The CR7

and 2lX must be Programmed (*4 Mode) to send dafa to the prlnter/SM. Tha daialogger sends the data to fhe SM in ASCI I

where lt ls elther converted and stored In CSlfs blnary Formaf or stored dlrecf In ASClt. CSlts blnary Format makes mor ef f lcient use of the memory and therefore ls the prefered method for stor I ng data I ogger data.

The number of days that the SM can be left to store dafa ls determlnEd by devlding the total number of data polnts In the SM

mmory (SM16 = 8192, SM64 = 32768) by the total number of data potnts output by the datalogger In one day. 0verhead lnformaflon such as date, tlme and output table lD must be lncl uded In the total daily data Polnt output. Storage of " tllgh -R9?glutlon data potnt (dafilogger'operatori manual w ll I speclfy lf thls optlon ls available) requlres twlce as much memory as a Lov Resoluflon data po I nt.

Inf ormatlon concernl ng the Test & Inltlal lzatlon procedure and some brlef set up Instructlons for storlng dafa generated by CSlls dataloggers, a termlnal, or a computer are found ln the fol ow l ng Sect lons. More deta l l ed I nformat lon concer n l ng the varlous swltch functlons ls found In APPendlx A.

2.2 TEST & INITIALIZATION

The Test & Inlttallzatlon rouf Ine ls sef up to allow the usr fo do a partlal SM memory fest and to Inltlal lze storage polnters. Thls fest does nof check the condltlon of the battery or verlfy the batteryts abllify to hold the data ln memory.. See Sectlon 4 for fhe battery check procedure. N0TE: Thls routlne REMOVES al I prevlously stored data values. Therefore, the Test &

lnfttallzafl6n routlne should be executed AFTER ALL VALUABLE DATA

HAS BEEN UNLOADED AND CHECKED and BEF0RE NE}t DATA ARE STORED.

To execute the Test & Inlttal lzatlon functlon the SM must be

plugged Into a host system tgqlllogger or s|4232A) f or Po!ef._^..11 ine-5M ts atfached to'f he S|4232A the Sl4232A LOAD/UNLOAD S}t ITCH (see

Ftgure 5-t) should be In the TRANSPARENT posltlon. .Sl{ ITCHES 5

ani O on the SM should be set In the UP posltlon and fhe BUTTON pushed and released. About 2 seconds after the BUTT0N ls released ine nCftVE LIGHT wlt I come on for a Perlod of 2 seconds fo lndl- cafe fhaf fhe SM has completed the Test & lnltlallzatlon functlon.

2-1

sEcT l0N 2. DATA

LIGH

| | | l-BUrroNttl | | Lsu AcrrvE I L swrrcHEs 1-6 L-ro Mrc socKET

I

PIN 'D' typeJ CONNECTOR

9

Storage Modu I e

2-2

Sronaee Mooule

CAMF'ElELL EICIENTIFIC lNC. Lorra. Utrr

|]|AOE IX UEA

vN PARITY. EXCOOE / OECODE

xo PARtTY. XO l{COOE / OCOOC

O RIXO HI'ORY T FILL T tTOP TfCOiY

too t200 e 600

1 0200

swlTcH I -UP

o - Dowr{

O OATA LOAO / UNLOAO

T OAT^LOGGER PGII>SU O EU>OATALOGCER PGII

I TEST I INITIALIZE

INITI ALIZE OR

UXLOAO

^",q"if g-

g@g@Frmo@

F IGURE 2-1 .

sEcT l0N 2. DATA STORAGE

The memory tesf function checks one byfe out of every 256 bytes whlch should catch most memory failures. Because it ls not a

complete check of the memory, the user should occaslonal ly check h I s'data f or smal I nhol esrf or scramb led i nf ormat lon. lt the fest flnds some of the memory ls bad, the L IGHT w I I I flash more fhan once: 10 tlmes for bad EPROM, l5 tlmes lf RAM on CPU board ls bad, 20 flmes lf data storage memory ls bad. lf bad data sforage memory is f ound, the SM w l1 | also ttmap outn the bad memory enabl Ing the user to store data ln the remalnlng good memory unt t I the SM ca n be sent I n for repa I r.

NOTET St{ ITCHES 5 and 6 must be reset ln f he Dol{N Posltlon bef ore ner data wlll be stored.

2.3 LOADING DATA FROI.I THE CR2I

To load data f rom the CR2l to a SM, connect the ttSER IAL 1/0n port on the CR21 to the 9 Pln D-type connector on the SM, uslng ine Model SCl2 Two Perlpheral Connector Cable (Flgure 2-1), Set the SfilITCHES as follows:

s}t rTcH P0s lT loN F UNCT I ON

Used to select the aPproprlate baud rate. The baud rate of fhe CR21 ls f txed at 300 baud. The baud rate settlng of the SM must match that of the CR2l; fheiefore, swlfches 1

and 2 must be down.

Th ls posltlon selects the encode/decode opt lon w h lch ls the mosf eff lcl ent way fo store data generafed by CSI dataloggers (see Appendlx C).

Used fo deferm I ne w hat I s to be done w hen a

user trles to store too much data In fhe SM.

lf Sl{ITCH4 lsDOWN, new data are written over old data when the SM memory becomes f ull. tf St{|TCH4 ls UP, new dafa wlll NOT be stored once the SM ts ful l. lf the memory of the SM ls over run, some of fhe lost data can be recovered by transferrlng the Internal flnal memory of the CR21 to fhe replacemenf SM w lth the keyboard entry of a *9 pr I nfer dump.

Data load posltlon.

l12 DOI{ N

5 DOWN

4 ????

516 DOl{ N

2-3

sEcT l0N 2. DATA ST

l{lth the Sl{ITCHES properly set the SM ls ready to accept data. The St{ stores data comIng f rom fhe datalogger whlch otherrise ls lntended tor a printer. The CR21 Mlcrologger AUTOMATICALLY sends lts data to a prlnfer or storage module a data are stored In lts flnal memory. As values are stored ln memory of the Storage Module the SM ACTIVE LIGHT w lll f lash. Thls flashlng actlon should be used as an lndlcator to help verlfy that 1ne set-up procedure ls correcf.

2.4 LOADING DATA FROM THE CR7 OR 2IX

To load data from the CR7 to a SM, connect the nSERIAL I

port on the CR7 to the 9 pin D-type connector on the SM, usln the Model SCl2 Two Perlpheral Connecfor Cable (Flgure 2-1). the Sl{ ITCHES as fol I ows:

SW ITCH POS IT ION

1r2 ????

3 Dot{ N

4 ????

FUNCT I QN

Used to select the approprlate baud rate. The baud rate of the CR7/21X serial porf be set by the user (see CR7 /21X 0perafors Manual). The baud rates of the CR7/21X, SM and any other external devlce must mat ln order for data transmlsslon to occur. CAUT 10N: Key board enfered pr I nter dumps (*9) to fhe SM should not be done at baud rates exceedlng 1200 baud because the SM

not convert and store the data at a faste r ate.

Thts positlon selecfs the encode/decode optlon whlch ls the most eff lclent way to store data generated by CSI dafaloggers (

Append I x C).

Used to determlne whaf ls to be done user trles to store too much data ln I f Sl{ ITCH 4 ls DOWN, ner data are wr over ol d data when the SM becomes fu

w hen the

Itfen ll.

2-4

I

1'

sEcT l0N 2, DATA STORAGE

slltcu Eoslr loJ Fulilcr l0N

5,6 Dol{N

lf SilITCH 4 is UP, nef data ulll NOT be stored once the 5M memory ls ful l' lf fhe memory of the SM ls over runr some of the lost data can be recovered by fransferlng the Internal flnal memory of the CR7 to the replacement SM rlth the keyboard entry of a *9 prlnter dump.

Data load posltlon.

l{ l+h the Stf ITCHES proper ly set f he SM ls ready to accept data. The SM stores data comlng from the datalogger whlch other- wlse are lntended for a Prlnfer. The CR7/21X datalogger must be programmed speclflcal ly i*+ Mode) to send data to the prlnter/SM. As data are stored ln the SMt s memory the SM ACTIVE L IGHT r I I I

ffash (Flgure 2-1r. Thls flashlng actlon Indlcafes fhaf fhe set- up procedure ls correct.

An alternate mefhod of storlng dafa ln a SM ls avallable for dataloggers that have Instructlon 96. The CR7 rlth the 700X CPU

boarO inA fhe 2lX rlth elther ESX1 or ESX2 have lnsfrucflon 96. lnstructlon 96 al lors fhe user to control rhen the datalogger outputs pr I nter/SM data.

lf the Sti ls fhe only devlce recelvlng prlnter/SM dafa and lnstructlon 96 ls avallabie then the data should be sent to the SM I n b I nary. B Inary transm lssl on of the data fs faster because fe11er blfs ire requlied per dafa polnt and because the blnary to ASCI I to binary converslon tlme ls el lmlnated. Af 1200 baud the number of data'polnts sent Per second In ASCI I and blnary are 12

and 60, respect lvel Y.

When I nsfruct I on 96 | s used to output pr I nfer/SM data I n

blnary, then the fhtrd srltch on the SM should be set to fhe N0

Fnnfft, NO ENCODE / DECODE poslflon. The rest of the srlfches should be set as descrlbed above. lf the prlnter/SM data ls ouffut uslng fhe *4 Mode Instead of Insfructlon 96, swltch 3

snoutO be dovn (ENCODE / DECODE).

2.5 LOADINE DATA FROil THE CR'

An alternate method of storlng data In a SM ls avallable for datatoggers that have Instructlon io. The cR7 rlth the 700X cPU

boarO iiO the 21X wlth elther ESxl or ESX2 have Instructlon 96. lnsfrucf lon 96 allows the user to control vhen the datalogger out puf s pr I nter/ SM dafa .

lf the SM ls the onlY the data shou I d be sent to

dev lce rece I v I ng pr I nfer/SM dafa then the SM In blnary. Blnary transmlsslon

2-5

sEcT t0N 2. DATA ST

of the data ls fasfer because fewer blts are requlred Per dat polnf and because the blnary to ASCI I to blnary converslon tl ls el lmlnated. Af 1200 baud the number of data polnts sent P

second In ASCI I and blnary are 12 and 60, respectlvely.

l{hen I nstrucf lon 96 | s usd to output pr I nter/SM data I n bfnary, then the thlrd sr lfch on thE SM should be set to the PARITY, N0 ENC0DE / O1CODE posltlon. The rest of the switche shoul d be sef as descr lbed above. I f the pr I nter/SM data I s output uslng the *4 Mode lnstead of Instructlon 96, sw ltch 5 should be down (ENCODE / DECODE).

To load data from the TC255A module of fhe CR5 to a SM' connect the ttSER IAL | /On port on the TC235A f o the 9 p In D-ty connector on the SM, using the Model SCl2 Tvo Perlpheral Connecfor Cab I e (F I gure 2-1). Sef the Sl{ ITCHES as fol I ow s:

SW ITCH POS IT ION FUNCT ION

1,2 Dol{N Used to select fhe approprlate baud rat. The baud rate of the TC255A ls fixed at 5

baud. The baud rate settlng of the SM mu mafch that of the TC255A; therefore, swlt I and 2 must be dow n.

Thls poslflon selects the ncode/decode optlon rhlch ls the most efflclent way fo store data generated by CSI dataloggers (

Appendlx C).

3 DOI{N

4 ???? Used to determlne what ls to be done when user trles to store too much data In the

I f Sl{ ITCH 4 is DOl{N, new data are ttr ltten over old data when the SM memory becomes f ul l. lf Sl{|TCH4 ls UP, neu data wlll NOTbe stored once the SM memory ls ful l. lf th memory of the SM ls over run, some of the lost data can be recovered by transferlng lnternal flnal memory of the TC255A to fh replacement SM wlth a nmemory dump to pr I ntern.

Data load posltlon.516

t{lth the Sl{ITCHES properly set the SM ls ready to accept data. The SM stores data coming from the datalogger whlch otherw lse are lntended tor a prlnfer. The CR5 AUTOMATICALLY sends lts data to a prlnter/ SM as data are stored ln its fina memory. As values are stored In the memory of the Storage Mo

DO}l N

2-6

SECTION 2. DATA STORAGE

the SM ACTIVE LIGHT w ll I flash. Thls flashlng actlon helps fo ver i fy that the set-up procedure I s correct.

2.6 L0AD I NG DATA FROl.l C0I4PUTER' MODEl,l 0R TERII INAL

To load data Into a SM from a computer, modem or termlnal, ft must be connecfed to the computer etc. vla the Sl4232A STORAGE

MODULE/R5232 Interface or fhe PC201 Card. A termlnal connects to the ttTO TERM lNALtt port wh I le a modem or computer connecf s to the tfTO MODEMtf port. IBM PCs and compatlbles connect to the nTO

TERMfNALr port. The SM ls connecfed to the SM232A by fhe SC12 Two Per i pheral Connector Cab I e (F i gure 3-1 ). Sef the Slt{ ITCHES as f ollows:

sl'JlTcH PostTt0N FUNcTIoI

1r2 ????

4 ????

UP

Used to select the aPPropriate baud rate. REMEMBER: The baud rates of the SM and any other external devlce must match In order for dafa transm I ss lon to occur. Al fhough fhe SM can communlcate at baud rates greater than 1200, lt can not store data much faster than 1200 baud. Therefore, lt ls best not fo communlcate w lth the SM at rates faster than 1200 baud unless lt ls verlf led thaf fhe actual data transfer rate ls about 1200 baud.

This posltlon selects the ASCII Format option whlch stores 65 1536 bytes or characters of i nformat I on. The DO}{ N pos I t i on or Encode/ Decode optlon should not be used on data from sources other than CS I data I oggers.

Used to defermlne what is to be done when a

user trles to store too much data In fhe SM.

lf Sl{ ITCH 4 ls DOl{N, new data are wrltten over old data when the SM memory becomes full. lf Sf{ITCH 4 ls UP, ner data wllt not be stored once the SM memory ls ful l.

Data load posltlon.5,6 Dol{N

0nce the connectlons are made and the SM Sl{ ITCHES are set in fhelr proper posltlons, set the SM LoAD/UNLoAD S}{ITCH (Figure-?:- 1), loiaf6d oir the 514232A, to the SM LOAD position. Sef the DATA

TO MODEM ONLY /DATA T0 TERM INAL & MoDEM SW ITCH f o lts approprlafe sett I ng. |{ | th the sw I tch es proper I y sef, any characfers sent through tne SM232A w ll I also be sent to and stored by fhe SM. As valueJ are stored In the memory of the Storage Module the SM

ACTIVE LIGHT will f lash. This f lashlng actlon helps to verlfy that the set-up procedure ls correct.

2-7

SECTION 3. DATA RETRIEVAL

3.1 GENERAL

D I rect unl oad I ng of sM data to a comPuter or pr I nter requtres the St4232A Storage Module/R5232 Interface (Flgure 5-1.) or th; PC2OI Card r lth the SC209 Cable. Data In the SM also may be unloaded Indlrectly to comPuter or prlnter by transferlng the data onto cassette tape. The fape ls then read Into a computer oi prlnter vla the Czb Cassette'lnferface or fhe PC20l Card. The f api dump method ls explalned ln detal I ln Sectlon 3.5.

Al I dafa from the SM and al I commands from fhe userfs devlce pass through fhe Sll232A. The baud rates of the SM and the userrs dev lce musi match before communlcatlon can occur.

The SM has an lnternal UNLQAD P0INTER thaf polnts to the next data polnt to be unloaded f rom the SM memory. Th.9 pol nter always pol'nts to the oldest data unf ll data are actual ly unloaded at wiricn tlme lf advances f hrough the mmory f rom the oldest to the newest. The UNLOAD POINTER ls reset to polnt at the oldest .data i n memory | ) very tlme the SM LOAD/SM UNLOAD SW ITCH on the SM232A is moved to fhe TRANSPARENT posltlon, 2, eYry tlme fhe 5

volt supPly to the SM ls removed by dlsconnectlng the cabl et and 5) every tlme the SM is cal led by a modem.

3.2 DATA RETR IEVAL COMI.IANDS

When the SM ls attached to a computer or term Inal (or both) ft can receive, from the computer/termlnal, cerfaln command characters whlch w ll I Inltlate, control, and stop a data dump' t{ ith one exceptlon, th ls def au lt set of S INGLE CHARACTER C0MMANDS

can be changed by the user shoul d one or more of the defaulf commands provg unaccePtab I e.

The defaul t commands and thel r assocl afed funct lons are I lsted In the fol lorlng Tabte. The r n symbol ldentlfles fhose character commands whlch are ASCI I Confrol Characters.

TABLE 3-,|. Defaulf Commands

CODE FUNCT I ON

n v ( dec I mal 221 Program command (ca nnot be a I tered ) . A Q ( dec lma | 17) Request one L INE of data. Defau I t

postamble ls CR. n R (declmal 18) Request one BL0CK of data. CR, LF after

edch I lne. Extra CR, LF affer each array' A5 (declmal l9) STOP n T (declmal 20:' Request CONTINUOUS data dump. CR, LF after

each I lne. Extra CR, LF after each array'

3-1

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sEcT l0N 3. DATA

Sforage Module and SH232A

RETR I

sMeSaA gTotraos MotruLs / FlElr3E lNTtRrAcr

F IGURE 3-I .

3-2

AL

choos I no tne nv I

To

The f ol and the

sEcT t0N 5. DATA RETR IEVAL

program the SM wlth a command character set of your , send a nV fol loved by a sfrlng of program characters. s fhe only command character that can not be changed. or lng ls a descrlptlon of the characfers fhaf can be sent r respect lve functlons:

CH ARACTE R

NUMBER FUNCT I OJ

1 Command code used to request a LINE of dafa.

2 Command code used to request a BL0CK of data.

5 Command code used to STOP.

4 Command code used to request a CQNTINUQUS dafa dump.

One byte B I NARY va I ue def i n I ng the number of mil 1 lseconds del ay between transmltted characters. Defaulf ls 0 (O In BINARY = ASCII NULL = n).

One byte B I NARY val ue def i n I ng the number of mll I lseconds between rhen a command ls recelved and when the flrst character coms back. Defaulf ls 0 (O In BINARY = ASCI ] NULL = N O).

0ne byte B I NARY val ue def I n I ng the number of characters or bytes to be sent lrhen a block of data ls requested. A O sets the BL0CK S IZE to one character, a 1 sets 256 characters, a 2 sets 512 characters, etc. Default ls 4

or a BLOCK SIZE of 1024 characters. (0100 BINARY = !' declmal = AD ln ASCII).

POSTAMBLE characters to be sent af the end of a I Ine request. Up to I characters (fol lored by a NULL t9 termlnate the strlng) may be speclfled. Note: NULL wll I NOT be sent as a postamble character. The POSTAI,IBLE ls a set of characters used to Indlcafe fhe end of a I Ine. Carrlage return, I lne feed are the most common postamble charicters. (nscl I NULL = A0).

END OF DATA MARKER. Thls characfer ls sent when requestlng a llne of dafa and no more data exlsts In th SM. UP to 8 characters, fol lowed by a NULL' may

be speclfled. (ASCI I NULL = n 0).

3-3

sEcTl0N 5. DATA RETR I

l{hen DEC0DING data In the CONTINUOUS Mode or In the BLOC mode, an exfra CARRfAGE RETURN LINE FEED (CRLF) ls sent befwe each array of data. ln the LINE AT A TIME mode, there wlll b empty I Ines. Thls feature lmproves the readabl I lty of the da as they appear on the termlnal or prlnter.

l{hen requestlng BLOCKS of data and the SM ls EMPTY, the S

fllls the resf of the block wlth nulls lf lt ls DECODING dafa It fll ls the rest of the block r lth 7FH (del) bytes lf lt ls DEC0DING data. lf the END 0F DATA MARKER has been altered by programlng the SM rlth new commands, the flrst character of t END 0F DATA MARKER ls used to fl | | fhe end of a requested blo when data runs ouf. The reprogrammed END 0F DATA MARKER ls u REGARDLESS of whether or not the SM ls DECODING data.

When data are belng requested LINE AT ATI DEC0DE Mode ls lnactlve, the POSTAMBLE ls sent is ncountered and the CRLF r ll I nof be sent. CRLFTS are encountered, the POSTAMBLE ONLY w | | |

the second one.

ME and the dat each tlme a C

It tro success be returned o

l{henever the SM ls sendlng data In the CONTINUOUS Mode a the data DEC0DE Mode ls actlva, a data array havlng an ODD nu of data polnts wll I be transmlfted wlth fhe last data polnt o the array fol lowed by 9 nul ls. Thls feature al lors CSlts CR5 Pr I nter to keep up w lth datal ogger data transm lsslon. REMEMBE Sl{ ITCH 5 on the SM must be ln the DOWN poslflon to DECODE dat

3 .3 UNLOAD I NG DATA TO A TERTI I NAL OR PR INTER ONLY

When connectlng the SM252A to a TERMINAL ONLY or a PRINT ONLY fhe termlnal,/prlnter should be connected fo the Slt232A p

labeled T0 TERMINAL. The central ly located S|{ITCH of the SM2 musf be In the DATA T0 TERMINAL & M0DEM posltlon (Flgure 5-1) The DCD (Data Carrler Detect) | lne on the RS252 Interface wll held actlve by the SM252A. The Data Termlnal Ready I Ine (DTR Llne 20) on fhe RS252 lnterface should be used as a TERMINAL/PRINTER STATUS I Ine. lf fhe ferm lnal/ prlnter ls rea to accept data, Llne 20 ls highi lt the termlnalfs/pr Interfs buffer ls ful I, Llne 20 ls low. Uslng Llne 20 rll I Insure th the Sl,l w | | | not over-run the term lnal / pr I nter. Other control | | nes are not connected.

To UNLOAD the SM, the Sl{ ITCHES on fhe sforage module mus set to the posltlons they were In when the data uere recorded w lth the excepf lon of Sl{ ITCHES 1 AND 2 whlch must be set to m

the baud rate of the termlnal/prl nter. The SM LOAD/SM UNLOAD Sl{ ITCH I ocated on the SM232A must be set to the SM UNLOAD positlon. After the Sl{fTCHES ar correctly set, the 8UTT0N (Flgure 3-l) on the SM may then be pushed. Presslng the BUTT w i I I cause the SM to begln unloadlng data. Alternatlvely, a

3-4

AL

sEcT lot{ 5. DATA RETR IEYAL

termlnal can send dafa retrleval commands (Sectlon 3.2) to the SM, lnstructlng lt to unload lts data. 0nce data transfer has begun, the data dump r lll be aborted lf (1) the Sl.l BUTTON ls pressed agaln or (2, fhe posltlon of the SM UNLOAD Sl{ ITCH on the SM232A ls alterd.

3.4 UXI-OIO IHO DATA TO A COTIPUTER

The fol lor Ing sub-sectlons confaln lnformaflon concernlng the transfer of data from the SM to a computer when used ln a

var I ety of conf lgurat I ons.

3.4.I SI1252A BETTEEN TERI{IIIAL AND COT{PUTER

When the S|4232A ls used befween a term lnal and a computer the termtnal ls connected to the SYi232A port labeled T0 TERI{INAL and the computer ls connected to the Sl4232A port labele! TO HODEll. The St{ is connected fo the SM232A port labeled T0 ST0RAGE MODULE. l{tth l6 volts AC porer connected and the SM LOAD/SM UNLOAD SHITCH on the Slt232A In the TRANSPARENT posltlon, the termlnal should be able to communlcate r lth the computer In a rouflne manner. lf the St4252A ls lEft connected betreen the termlnal and computer when not betng used rlth a SM the SM LOAD/SM UNLOAD Sl{ITCH should be left In th; TRANSPARENT posltlon. NOTE: The Sl4232A remalns 0N

untl I lt ls unpl ugged from the 1 6 YAC transformer.

Al I control I lnes In fhe R5232 Interface are transferred stralght through the St4232A r lth the excaptton of the DTR (Data Termlnal Ready) llne and the DCD (Data Carrler Detect) llne. These two I Ines ar used by the SM252A but thelr STATES are not mod lf I ed by the Sl,l232A. The DTR | | ne shou I d be sourced by the fermfnal. lf lt ls sourced by the termlnal, the SU232A rlll not modlfy rhat ls sourcod. lf the DTR I Ine ls NOT sourced 9y tle term thal, the St4232A r I | | prov lda a source so f hat the DTR slgnal recelved by the comPuter becomes actlve (hlgh).- Ittq DCD llne should normal ly be sourced by the computer, lf lt ls sourced by the conputer, ihe ternlnal r ll I recelve rhat the comPuter sources. lf fhe DCD I lne ts NOT sourced by the comPuter, the DCD

I fne that goe3 to fhe termlnal r | | | be held actlve by fhe SM232A.

ThE DATA TO HODEI4 ONLY/DATA TO TERMINAL & MODEM Sl{ ITCH

should be set accordlng to rhether or not the comPuter echoes data to the fernlnal. - lf a character typed on the tErmlnal lS echoed by the computer before lt ls prlnted on the scrsen of the term I nal then the Sll ITCH shoul d be In the DATA T0 MODEM 0NLY posltlon. Alternaflvely, lf a character typed on th.e termlnal ls fuOf echoed by the computer: f hen the Sll ITCH should be I n the DATA

T0 TERMINAL i' MODEM posltlon. lf thls slt lTcH ls left In the urong posltlon, the bomputer rll I most I lkely contlnue to recelve fhe data but the termlnal wll I recelve dupl lcate or scrambled dafa.

3-5

sEcT t0N 5. DATA RETR I

To UNLOAD data f rom f he SM to the computer the Sf{ ITCHES the SM must be set to the posltlon they were In when the data were recorded w lth the exceptlon of Sl{ ITCHES 1 AND 2, Sl{ ITCH AND 2 must be set to match the baud rafe of fhe computer. Mo the SM LOAD/SM UNLOAD Sl{ ITCH locafed on the S}4232A to the nSM

UNLOADr pos I t I on and have the compufer send the ProPer comman to the SM to Initlate the transf er of data (SM C0MMANDS are dlscussed In Sectlon 3.2). As data are sent to the comPuter w i I I al so be sent to the term I nal or echoed to the term I nal s they can be vlewed by the user. The most commonly used data transfer command is the nRequest 0ne Line 0f Datan command. Appendlx D contalns a sample data retrleval Program for the sftuation where the S|4232A ls between the termlnal and the compufer.

l{hi I e UNLOADING data from the SM, fhe transfer process m

be femporarlly lnterrupted by uslng elfher the DCD I ine from computer or the DTR I Ine from the termlnal. lf elther of the I Ines goes Inactlve, the SM sfops fransmlftlng and w fl I resum fransmlttlng from where lt left off whenever the I Ine goes ac agaln. NOTE: lf both I Ines go Inactlve at the same tlme, the wll I STOP and RESET. l{hen both I Ines become actlve again the wil I proceed with sendlng data startlng wlfh the oldest data residing ln its memory. N0TE: The ST0P command also can be u

to temporar | | y suspend data transfer from the SM.

When a computer ls connecfed to the Sl4232A port labeled MODEM and the user wants to use the DCD (Data Carrier Detecf) I lne of the R5232 Interface to SLOW DOIiN the rate at which da are belng sent from the SM, the Rl (Rlng Indlcator) I Ine must tled hlgh or left dlsconnected.

NOTE: Command characters sent to the SM from the are sent to the termlnal as wel l. Accordlngly, lf woul prudent fo use command characters for the SM that have inf luence on the termlnal.

3.4.2 Sn232A BETI{EEN TERI,IINAL AND MODEI{

com p ute d be a mlnl

nal and modemr refer and subsf I tute nmod

To set up the SM252A between a termi the Inf ormatlon prov ided ln Sectlon 3.4.1 w herever ncomputeru appears.

3.4.3 SM2'2A TO AN IBM PC OR COMPAT IBLE

l{hen connectlng the Slt232A to an IBM PC or compatlble' serlal RS232 port (C0M 1 or C0M 2, on the PC is connecfed to SM232A port labeled T0 TERM INAL. The central ly located Sl{ lT fhe Sl4232A musf be In the DATA T0 TERMINAL & MODEM posltlon (Ftgure 5-1). The DCD (Data Carrler Detect) | Ine on the PCrs port w f l I be held act lve by the Sltl232P'. The Data Term Inal Re I fne (DTR = Llne 20) on the PCrs R5232 port should be used a

3-6

AL

e of

s232 v

SECTION ]. DATA RETRIEVAL

status I lne. lt the PCfs buffer ls ful l, Llne 20 ls low. I lne 20 rll I Insure that the SM r ll I not over-run the PC. control I Ines are not connected.

Uslng 0ther

SM Sl| ITCHES 5, 5, and 6 must be sef to the posltlon they were ln rhen the dafa rere recorded. Sl{ ITCHES I and 2 nust be set to match the baud rate of the PCts serlal porf. The data may

be transferred fo the PC by elther of fhe fo!lowlng methods:

Publ lc domal n and commercl al communlcatlons packages such as Kermlt, Crosstalk, etc. are capable of storlng on dlsk, the data recelved at the PCts serial ports. 0nce the software has been set uP properly (whlch C0M port, what baud rate' efc...) al I that ls needed ls to s|'ltch the sM LoAD/SM UNLOAD Sh,ITCH to the sM UNLoAD posltlon and Press the sM BUTTON.

Appendlx D contalns the set uP lnstructlons and a baslc program to transfer data from a storage module to an IBM PC

or compaflble.

'.4.4 SI{232A TO A COIIPUTER THAT IS T{OT IBII PC COIIPATIBLE

l{hen connectlng the St4232A to a COMPUTER ONLY the comPuterrs DCE serlal port stroulO be connected to the 5)427?!.port labeled T0 MODElt. The' cenf ral ly locafed Sl{ ITCH of the Sl4232A can be lef t I n elther posltlon. The DTR (Data Termlnal Ready) | Ine on the R5232 lnterface wlll be held actlve by the 514232A. Other control I lnes are not connected. The computer must hold the DCD I Ine actlve In order for the SM to transmlt.

To UNLQAD data from fhe SM tothe computer fhe Sl{ITCHES on the SM must be set to the posltlon they rere In when the data were recordEd r lth the exceptton of Stl ITCHES I AND 2. Sl{ ITCHES I

AND 2 must be set to match t-he baud rate of the computer. Move the sM LoAD/Sl.l UNL0AD Sf, ITCH located on the sl,l252A to the nsM

UNLOADn pOsltlon and have the comPuter send the_ !-!9per commands to the SM to Inltlafe the transf er of data (SM C0l'IMANDS are dlscussed In fhe beglnnlng of Sectlon 3). The most commonly used data traosfer connand ls the nRequesf One Llne 0f Datan command. Al ternaf lVol y, a connunlcatlons package such as Kerm I f, etc. can be used to cipture th data that ls output when the BUTTON ls pressed.

I f the porf on the computer I s des I gned to connect modem rafher than a fermlnal (l.e.r the computer looks I

term Inal or DTE to f he St42t2A) then the computer should nected to the sM252A port labeled T0 TERMINAL. In thls sltuatlon, the UNLOAD lnformatlon glven In the prevlous ls val ld 6ut the I Ine handshake Informaflon provlded ln 3.3 ls mor appllcable.

toa lke a be con- partlcular paragraPh Sect I on

t-7

sEcT l0N 5. DATA RETR !

3.4.5 SU232A TO ANSHER IIODEM

To set up the SM252A fo talk to a MODEM 0NLY, an ls connecfed to the SM232A porf labeled T0 M0DEM. Th typlcal ly woul d be used when the user Intends to cal I

another I ocat lon and the SM I s I eft unaftended. For situatlon, lt w | | I be assumed that the SM ls al ready val id dafa.

answer m

I s set-u p the SM f

th I s loaded w I

In preparation to UNLOAD the SM, the sw itches on the SM m

be set fo the positlon they were In when the data were record w lth the exception of Sl{ ITCHES 1 AND 2. Sl{ ITCHES 1 AND 2 mus be set to match the baud rate of the modem (usual ly 500 baud) The SM L0AD/SM UNLOAD Sl{ ITCH on the Sl4232A must be set to the UNLOAD posItion. Revler the set-up fo make sure the SM ls connected to the St4232A and that the S|4232A has power. Once condltlons are satlsfled, fhe SM may be cal led and data transferred.

When a call comes In, the Rl (Rlng l'ndlcator) llne from modem w ill go actlve. The Slf232A w lll then pull the DTR (Dat Termlnal Ready) | ine actlve whlch goes to the modem. The mod should then answer the phone and apply a carrier slgnal to th phone I Ine. The cal I Ing devlce would then apply lts carrler slgnal to the phone I Ine whlch should be detected by the answ modem whlch w il I then pul I the DCD (Data Carrler Detect) | Ine the R5232 inferface active. The DCD slgnal from the answer m

musf make lt back to the Sl4232A wlthln 10 seconds of when the St4232A act ivates the DTR I ine, As long as the answen modem h

the DCD I lne actlve the Slti232A w ll I hold the DTR I Ine active. 0nce the cal I is completed, fhe carrier slgnal is termlnated I I ne goes I nact I ve) by hang I ng up the te I ephone rece I ver. Th actlon w I I I also cause the Sl4232A to deact lvate the DTR I Ine. During the rrconversatlonn the calllng devlce will be uslng SM commands (explalned ln Sectlon 3.2) to retrleve dafa from the

The UNLOAD P0INTER modem. Therefore, lf a requ I res retransm I sslon, start over aga I n at the

I s resef each t I me the portlon of the data ls

the user musf hang up beglnnlng of the data.

SM ls cal led b m I ssed and the phone and

NOTE: The Sl'1232A and a datalogger shoul d NEVER be connec to the SM at the same tlme.

3,5 UNLOAD I NG DATA TO CASSETTE TAPE

Thls functlon ls most appl lcable to the sltuatlon where user has several dataloggers recordlng data onto SMs. To ret data from these dlfferent sifes fhe user musf 1 ) have two SMs each slte substltuf Ing the empty SM for the f ull one, 2) have SM for each site plus one extra SM and vlsit each slte whlle

3-8

se

I

i F

sEcT l0N 5. DATA RETR I EYAL

separately removlng the data from the SM befween each vlsit' or 5) have one SM for each slte and vlslt al I of the sltes storlng the data from al I of fhe SMs on one or more cassette tapes. The thlrd optlon requlres the user to purchase the C20 Cassefte Interface but thls cosf could easl ly be less fhan the cost of the f I rst opt i on or I ess than the I nconven I ence and assoc i ated cost of the second opflon.

When transferrlng dafa to a cassette recorder from a SM, the SM must be connected by lts rlbbon cable to a datalogger. 0nce thls ls done, connect one end of a patch cord to the MIC socket on the cassette recorder and connect fhe other end of a patch cord to the S0CKET lab led tfT0 M lCn on the SM. lf the user I s NOT

golng fo relniflal lze the SM after the Tape Dump ls comPleted, the datalogger can be left In the *0 mode. lf lt ls to be reinltlal Ited (S}{ITCH 4 tn the UP posltlon), lt ls recommended that the datalogger temporarl ly be put In the *9 Mode to stop fhe datalogger from sendlng data to the SM unltl al I SM data are unloaOed- to tape. Be sure to return the datalogger to the *0 Mode w hen the tape dump I s comP I ete.

To UNLQAD the data from the SM onto cassette tape' press down the playback and record buttons on the casseffe recorder to start fhe tape rol I Ing. Be sure to let the tape advance untl I

Its non recordlng tape leader passes byond the cassette recordllg head. Press the-BUTTON (Figure 2-1) on the SM and the SM ACTIVE LIGHT wlll come on approxlmafly two seconds after the switch ls released. The light wlll remaln llt for aPProxlmatly 3.5 seconds wht le one 512 data polnt block ls dumPed to tape. lf w lll con- tfnue to flash, 1,5 seconds off and 3,5 seconds o0r unfl I al I the data In the SMts memory has been sent to tape. lf the SM ls ful I

the I lght w il I flash elther l6 or 64 t lmes as 16 or 64 blocks

rc19'2 or 52768 data polnts contained ln the SMl6 or SM64) of data are sent to tape.

The SM tape dump always transmits data from fhe oldest to the most recent. A tape dump may be aborted any flme by presslng the SM BUTTON a second tlme. The UNLOAD P0INTER ls reset to polnt at the oldest data each tlme the BUTToN is pressed.

3-9

sEcT l0N 4. MA I NTENANCE

llh I le the Sl{2524 Sf orage Modu lelR5232 lnterf ace requ I res no perlodlc malntenance, the SMl6s and SM64s requlre malntenance In ihree areas: I ) physlcal I ntegr lty, 2't deslccant replacement, and 5) battery vol tage. I nformat lon lor an exPer I enced techn I cl an concernlng replaiemenf ol fhe Llthtum battery and methods of measurlng the currenf draln ls found at the end of thls sectlon.

PHYSICAL INTEGRETY In sptte of lts bullt ln ruggedness' the SMrs button,

swltches, connector and Internal components may al I be damaged by accldental physlcal abuse. The bufton and sr lfches are the most eas I ly damage'd parts. Anof her vu I nerab le larf -9J t[: SM I s the rubbEi' gasfet that ls glued to the I ld of the SM. The gasket' an lmporfant parf of the molsture barrler, ls easl ly damaged when fh; I td ls screred on too tlghfly. In most cases, physlcal damage to the storage module should be rePalred at the factory.

DES I CCANT REPLACEI,IENT Deslccant ls placed Inslde the seml-sealed steel enclosure

to prevent rater from condenslng on the clrcult cards rhen the stoi-age modu I e I s used I n hun ld env lronments' The cry sta I

oscl liator clrcult ls partlcularly sensltlve to condensaflon. Condensatlon on the oscll lafor clrcult lll I result In fhe SM

fall Ing fo record data sent from fhe datalogger. .lt ls dlfflcult fo ,uy-hor frequentl y the deslccant shoul d be repl aced because of the virytng condlflons ln rhlch a SM may be used. Obvlouslyr a

humlO ehv lionment w I I I requlre that the deslccant be reJuvenated more frequently than a dry envlronment.

The deslccant ls sfored In a paPer bag locafed In the I ld of the SM. To reactlvate the deslcant, remove the 4 retalnlng scrers and the I ld. Renove the paPer bag of deslccant (HUMI- SORB) and heat fhc bag and lts c6nienfs io 2r0oF (120oC) for l6 hours. Thereafter, r6lnsert the deslccant bag In the I ld' maklng sure that ttre deslccant ts d I str I buted even ly I nsl de the bag so that fhe epclosuro I ld flts properly. l{lth the the rubber gasket properly tcatcd, replace the I ld and the 4 screus and tlghten unt-ll the brso anC i ld come lnto flrm contact w lth the gaskef but not so tlght that the gasket ls cut or damaged.

BATTERY VOLTAGE Battery voltage should be checked AND RECORDED a fer tlmes

each fleld ieason Io Insure recorded data wlll nof be lost.

To moasure the battery voltage unplug the SM from al I host devlces, remove the 4 screls and the I ld. 0nce the I ld ls removed the memory card rlll be vlslble (Flgure 4-l). The baftery voltage of the sM can be checked by measurlng the memory

4-1

SECT ION 4. IIA I NT

board voltage betreen the corner plns 12 and 24 or befween p 14 and 28 for the SMl6 or SM64 respectlvely. A dlgltal volt meter with 0.1 V resolutlon or better ls recommended.

PtN 12 0R 14

MEMORY BOARD

PrN 24 0R 28

'-CPU BOARD

LITHIUM BATTERY

Storage Module Assembly

8 I

q*-\ \j

F IGURE 4-I .

4-2

NCE

sEcT l0x 4. IlA INTEI{ANCE

The rcnory board voltage readlng should be greater fhan 3 vol ts (J.f6 vol ts typlcal ). Measured vol tage may be h lgher dependlng on the brand of I lthlum battery used (uP fo 5.6 or 3.7 volts). Llthlum batferles have a very flat dlscharge curvei theref ore, each tlrne fhe battery voltage ls measured lf should be very close to the prevlous voltage readlng. Records should be kept of al I battery voltage readlngs. lf a voltage readlng drops by two tenths of a volt slnce the prevlous measurement, the battery ls probably very close fo dead and should be changed. Typlcal battery I lfe ls rated from 6 to 10 years. The battery should be replaced by the Factory or by an experlenced technlclan fot lor Ing the Instructlons glven In the next paragraph.

EXPERIENCED TECHNICIAN INFORMATION -- BATTERY REPLACEI{ENT Changlng the battery ls a I lttle Involved and should be done

by an experlenced technlclan. Damage done to the SM I n an attempt fp replace the battery rll I not be covered by rarrenty. Be sure ttre SM ls unplugged f rom all host devlces. The f ollow Ing three steps shoul d be fol I ored rhEn repl acl ng the battery:

STEP 1. Memory Card Removal The memory card must bE removed I n order to change fhe battery (Flgure 4-l). Once the SMts I td has been remoYed, remoy the 4

screus at the corners of the memory board. The memory board ls connected to the CPU board rlth a connector at one end of the SM. The memory board must be pul led stralght up out of fhe box to avold damage to the connector betreen fhe cards. The connecfors are pul led-apart wtth the ald of a smal I rhook-l lke devlcen placed under the edge of the memory card near the connector. The nhook-llke devlcen could be made by maklng a 90 degree bend ln a

plece of stlff rlre, otc..

STEP 2. Add I t I ona I Battery Vol tage Check |{lth the memory card remoYed, the Llfhlum battery r I I l be exposed, soldered to the CPU board. The battery should be checked onc nor ulth a volt meter to verlfy that lt needs ch ang I ng. The vol tage neasured d I rect I y on the battery shou I d only be 5 or 4 tcnthl of a volt hlgher than the voltage measured on itre nerory boar.d. lf f he battery voltage -l s gr9?t9r than the memory bolrdvoltage by more fhan 4 tenths of a volt then the mmory board nay havc a bad comPonent thaf ls causlng hlgh currenf draln (gee CURRENT DRAIN TEST belor). In thls case, the SM should be returned to the Factory for evaluatlon.

The voltage on a good battery should be wlthln one tenth of a

volt of the Inltlal oPen clrcult volfage of fhe batfery (typlcally 3.68V for Tadlran Llfhlum baftery' 3.9V for Electrochem Llthlum battery). lf the voltage readlng ls less than the Inltlal oPen clrcult voltage by more than 0.2 volts, then the battery I s exhausted and should be replaced by a L lth l.um battery wlth an'lnltlal open clrcult voltage greater than 3.4 V.

4-3

sEcT t0N 4. I,TA I NTE N

STEP 5. Rep I acement Remove the exhausfed battery w lth the ald of a sol der sucker o solder rlck and a solderlng lron that ls not too hot or cold. Trlm the leads of the ner baftery in such a manner thaf they d not extend more than an elghth Inch below the bottom of the CP card. Solder ln the neu battery. lt should be posslble to replace the battery wlthout removlng the CPU card from the encl osure. Be sure to avol d any sol der br I dges or shorts.

EXPERIENCED TECHNICIAN lNFORMATION -- CURRENT DRAIN TEST Current draln can be checked by measurlng the volfage acr

the 100 ohm reslstor at locaflon F2 on the CPU board (Appendl F i gure E-4). |{ lth out the memory card the vol tage shou I d mea between 200 and 400 mlcrovolts lndlcatlng that 2 to 4 mlcro a of current are being drawn by the CPU board. The current dral both the memory card and the CPU board should be between 5 an m icro amps (NOTE: To facl I ltate th I s measuremenf, sol der a s I nsul ated I ead to each sl de of the resl stor before repl acl ng memory card). lf currenf draln ls greater than l0 mlcroamps fhe SM should be returned and checked ouf by fhe Factory.

4-4

A. I ST0RIAGE i|ODULE

Sr ltch Sr ltchtz dou n dor n dorn up up dorn UP UP

Sw I tch 2

dorn

S|{ ITCHES I and 2 are used to select the aPProprlate SM baud rate, When connected to the CR2l datalogger fhe baud rate must be set to 300 (Sl{ ITCHES 1 and 2 DOIiN). l{hen the CR7 datalogger ls usod, lt ls posslble to set the serlal port baud rate to dlfferent values. REMEMBER: The SM baud rafe settlng must match the baud rate of the devlce attached ln order for data transm I ss I on to occur.

up 8 Data Blts, No ParltY,2 stop blts, No Encode/Decode

Sl{ ITCH 3 ls used to select one of 2 data Format types handl ed by the SM. lf Sl| ITCH 5 ls UP the storage modul e r | | |

accepf and store data exactly as they are recelved (and transmlt exacily rhat was stored). lt rll I sfore al | 8 blts of each characier lt recelved though the parlty blt ls not used. For example, lf the SM ras loaded r lth ASCI I characters havlng even parlty then that ls rhat r ll ! come back ouf rhen the SM ls un I oaded.

tf Sf, ITCH 5 ts Dol{N f he SM v I I I transm lt 7 data blts and an even parlty blt rhen tt ls unl oaded. Furthermorer the SM expects to recelvc ASCI I characters whlch form data values such as fhose provlded by CSI dataloggers when St{ITCH 5 ls DOl{N. Each data value conslsts of a 2 d lgtt data pol nt lD f ol lowed by a + or - slgn and a 3 to 5 dlglt number. As each character ls recelved lt ls-buffered up untll-the SM recelves a comPlete dafa polnt after whlch the dat'a potnf ls encoded (converted) and stored In memory.

Data are stored tnfo memory In CSlts orn blnary Format trhlch ls more thoroughly dlscussed In APPendlx C of thls Manual. Compared to ASCI I Formaf, blnary Format al lors about flve tlmes as much dafa fo be stored In the same memory sPace.

APPEI{D I X A. ST ITCH AND BUTTON FUNCT IONS

Funct Ion Baud Rafe

100 1 200 96 00*

1 9200*

Comments

See Sect I on 2.4 for I lmlfatlons.

Funcf lon

7 Data Blts, Even ParltY, 2 stop blts, Encode/Decode

A-t

APPENDIX A.

lf Sl{ ITCH 3 is DOW N w hen data are data polnt w ll I be decoded (converted Format and sent to the computer.

SII ]TCH AND BUTTON FU

unl oaded from the SM, back) fo lts orlglnal

l{hen uslng the ENCODE/DECODE Mode the Sltil6/ SM64 w I | | sto up to 8192/32768 low resolutlon data values. lf the data rrer not encoded the SMI 6/SM64 wou I d sfore abouf 1600/ 6400 data val ues. l{hen stor I ng non-standard data the S1416/ SM64 w I I I st 161384/ 65,536 bytes or characters of I nf ormat I on.

Switch 4-

dow n

up

Sw i tch 2

Fu ncf I on

Rl ng Memory Flll & Stop Memory

S}{ ITCH 4 ls used to determlne what ls to be done w

tries to store too much data ln the SM. lf Sl{ ITCH 4 is data are wrltten over old data when the storage module f ull. This is called the RING MEMORY f unctlon because plcture the memory as a rlng w lth a polnter contlnual ly progresslng around the ring as new values are entered and sto SI{ ITCH 4 should be lef t In the DOt{N posltlon when the most rec data are the i nformatlon desi red.

Sl{ ITCH 4 shoul d be left In the UP posltlon lf the ol dest data are more lmportant. l{hen Sl{ ITCH 4 ls UP, new data w i | |

be stored once the SM ls ful l. Thls ls referred to as the Fl and STOP MEM0RY funct lon because the SM stops record I ng w hen memory ls full.

hen a u

D0w N, become you ca

dow n

uP

Sl{ ITCHES 5 and 6

Sw I tch 6. Funct lon

down Data Load/ Unl oad up Test & Inlflal lze

must be DOllN bef ore the SM w I ll accepf dat a.

St{ITCHES 5 AND 6 also are used to test and inltial ize th To execute the Test & lnitlal lzation functlon the SM must be Into a hosf system (datalogger or SM232A) for power. lf fhe attached to th e Sl4232A the 5|4232A LoAD/UNLoAD Sr{ ITCH shou I d b

TRANSPARENT posltlon. Sl{ITCHES 5 and 6 on the SM should be s the UP posltlon and the BUTTON pushed and released. About 2 after the BUTTON ls rel eased the ACT IVE L IGHT w I | | come on fo perlod of 2 seconds to Indlcate that the SM has completed the lnltlal lzatlon functlon. lf the test flnds some of the memor bad, the L IGHT w i | | flash more than once: 10 tlmes for bad EP flmes lf RAM on CPU board ls bad, 20 + lmes lf data sforage me bad. NOTE: Thls routlne REM0VES al I prevlously stored data

A-2

e AS

{ I

l

M. gged ls n the in onds

st &

s , 15 y ls ug s.

APPENDIX A. SlfITCH AND BUTTON FUNCTIONS

Therefore, the Test & | nltl al lzatlon routl ne shoul d be executed AFTER ALL vALUABLE DATA HAS BEEN UNLOADED AND CHECKED ANd BEFORE NEI{

DATA ARE STORED. Thls test does not check the condlflon of the battery or verlfy the batteryts abil lty to hold the data ln memory. See Section 4 for the battery check procedure.

As prvlously noted, the SM BUTTON ls used to begln a Test &

Initlal lze sequence OR to begtn an unload sequence to tape 0R to the pr i nter. lf Sl{ ITCHES 5 and 6 are DOl{ N and e lther the pr i nter enable or unload enable llne ls Inacf lve then a tape dump w I ll occur when fhe BUTTON is released. lf S}l ITCHES 5 & 6 are DOI{N and both the prlnfer enable and unload enable I Ines are active then a prlntei dump w ll I be started when the BUTT0N ls released. lf Sl{ ITCHES 5 and 6 are both UP when the BUTTON ls pushed then the Tesf & Initlallzatlon roufine wlll be execufed.

A.2 S}4232A STORAGE MODULE/R5232 INTERFACE

The Sl{ ITCH located i n the center of the Sl4232A enclosure I s

used to ldent lf y the SOURCE of the commands sent to the SM. l{hen In the DATA T0 MODEM ONLY posltlon, the command characters sent from a computer w | | I go to the SM, but commands sent from a

terminal wll I NOT be sent to the storage module. As the Sl{ ITCH label lmpl les, data transmltted by the SM are sent to a computer ONLY. tnls St{ITCH posltlon ls generally used wlth comPuters w h i ch echo al I characters senf from a term I nal.

l{hen the St4232A Sl{ ITCH ls In the DATA T0 TERMINAL AND MODEM

posltlon, all command characfers sent by elther the comPuter or iermlnal to the SM and al I data transmitted by the SM are sent concurrently to both the termlnal and computer. Thls Sl{ ITCH posltion should be used on set-ups where the computer does not echo characters sent by the termlnal or when a termlnal ONLY ls used.

The sM LOAD/SM UNLOAD Sl{ ITCH located on the left of the Sl4232A enclosure is set accordlng to rhether data are to be unloaded from the SM or loaded lnto the SM. When thls Sl{ ITCH is In fhe TRANSPARENT posltion, there ls no communlcatlon between the SM and the RS23'2 PORTS of the SM232A. Also, w hen the sw ltch ls movd from the TRANSPARENT posltlon to the UNLOAD poslfion the UNLOAD pOINTER (Sectlon 3.1) ls resef to polnt at the oldest data i n the SM.

A-3

AFFITDIX B.

B.I STONAGE IIOOULE

9 P I N D-TYPE CONNECTOR DESCR I PT ION

Pln

I 2 3 4 5 6 7

CON}IECTOR P I NOUT DESCR I PT IO}I ELECTRI CAL SPEC I F ICAT I OTS

AND

I 9

Descrlpflon

+5V Supply GND R ING Serlal data TRANSMITTED bY SM

M0DEM Enable (not used bY SM) PR I NTER Enab I e UNL0AD Enable (not connected or tled to grnd

on datal ogger )

TAPE Enab I e Ser I a I data RECE lV ED by Sl{

ELECTR ICAL SPEC I F ICAT IOI{S

The sM ls pofred by the 5v suPPly from the datalogger. lf hlle the SM ls acttve (storlng or unloadlng data) lt requlres typlcal ly 8 mA (120 nA Peak rhen J lrst plugged | 1,^^"n_d 25 mA max, ttr6reaf tei) f rom the 5Y suPP ly. The S11 requ I res 300-500 mlcroampg from fhe 5 volt supply rhen Inactlve.

l|,hen unplugged, the SM uses Pouer provlded by ltrs- orn lnfernal :.OV-iAH llthlum AA cell to retaln data In Cl'lOS RAM.

I{hen a 5 volf suPPty ls avallable to the storage module no PoYer ls used from the Internal battery. l{hen unpluggd (or datalogger p-r-.eO dorn) the CI4OS RAM requlies 3-i mlcroamps (at room temp.) from the Internal battery to stay al lve. At thls rate the battery should last betreen 6 and lg.years. The SM should be kept th a cool placc to maxlmlze battery I lfe rhen not In use. Baitery Oporatlng *elperature range ls from -40 to +72 degrees C'

i' 8.2 Sltzt2^ SToRAef XoouLElRs232 INTERFACE

The l6 VAC rall transformer (lncluded rlth the SM252A) ls used to prov lde porer to both the SVi232A and the SM. There are three dlfferent rgulated Pouer suPpl !e9 prgytO:9-lnslde the SM2i2A: +lZV and -iZV supp'l les f or' brlv Ing the RS232 ports and a 5

VDC supply f or powerlng 66ttr the SM and Internal Sl.l252A loglc. T!" StiZ3ZA'tyitcally requties 80mA f rom the 16 YAC rall fransf ormer to o perafe.

B-1

APPENDIX B. CONNECTOR DESCR IPT ION/ELECTR ICAL SPECIFICAT

The 9 pln D-type connector ls set up fo connect to the SM. plnout descrlptlon fol lows:

PIN

I 2 3 4 5 6 7

FUNCT I ON

+5V suppty GND RING (not connected on SM232A) RXD (recelve data I Ine) M0DEM ENABLE (not connected) PRINTER ENABLE (used to actlvate SM) UNLOAD ENABLE (def Ines dlrectlon of data flow) TAPE ENABLE (not connected) TXD (transmlt data I Ine)

8 9

The 25 pln D-type connecfor plnoufs are deflned below (plt not speclf ical ly ldentlfled connect stralght through to the correspondlng pln on the other 25 pln D-type connector).

PIN

2 3 7 I 20 22

nTo u0DEMfr 25 Pln D-type Plnout

FUNCTION

TXD-TRANSMITTED data (Sourced by RXD-RECE IVED data (5142324 Input) GND-SIGNAL Ground DCD-DATA CARR IER DETECT (SVI232A DTR-DATA TERMINAL READY (Sourced Rl-RING lndlcator (Slt232A lnput)

SM232A)

I nput ) by Sl4232A)

PIN 2 3 7 I 20 22

nTO TERlrl INAL r 25 Pln D-type Plnout

FI.JNCT ION TXD-TRANSMITTED data (SM232A Input) RXD-RECEIVED data (Sourced by SM232A) GND-S f GNAL Ground DCD-DATA CARRIER DETECT (Sourced by SM232A) DTR-DATA TERMINAL READY (SM252A Input) Rl-RING Indlcator (Sourced by M0DEM)

B-2

NS

APPEXD I X C. B I }IARY F I NAL STORAGE DATA FORIIAT DESCR IPT ION

The Blnary Flnal Storage Dafa Formaf (also referred to as the CSI Formaf) ls used to transfer and store data Into the Flnal Storage area of the SM, CR7, CR2l and CR5-TC255A.

The flrst byte of each tro byte palr deslgnates the follorlng:

Glven blts ABCD EFGH rhere A is mosf slgnlflcant, lf blts O, E, and F are not al I

ones, then thls byte ls fhe flrst of a two byte data value. lf D, E, and F are al I onest the data tyPe and use of the other blts are as follors:

A E C D I .E G .H DATA TYPE AND F IRST BYTE FORMAT

1 1 | t I I X X Sfart of array' G & H are the most slgnlflcant blts of the array lD nunber.

X X 0 I I I X X Flrst byfe of a4 byte value.

0 0 1 1 1 I X X Thlrd byte of a 4 byte.value.

01l l 1t I I Flrstbyteof a2b'ttedummyor nf | | | o rord. The second byte must exlsf but may be any valuE.

O I t 1 1 I 0 0 Ftrst byte of a 2byte error word. Thls rlll onlY occur In data rhlch have been read from taPe In whlch lrrecoverable errors ure detecfed. Second byte ls 00.

c-1

APPEND IX C. B INARY F INAL STORAGE DATA FORTIAT DESCR I

THO BYTE FORIIAT

lf blts D, E, and F are nof al I ones, then the val ue ls a tro byte number as follows:

B ITS

A

B, C

D to end of 2nd byte

The declmal locators 10 exponent wlth declmal

DESCRIPTION

Polarltyr0=*rl=-o

Declmal locators.

l3 blt blnary mantlssa (MSB flrst).

can be thought of as a negat I ve base locations as fol lows:

The dec I ma I ra nge

FOIJR BYTE FORMAT

ABO1 IICD XXXX XXXX

BrTS gg BYTE

B

CrDrA

E,F

2nd byte

4th byte

DEC I MAL

XXXX. XXX. X

XX. XX X. XXX

mantlssa ls

LOCAT I ON

0 to 6999.

OO11 lIEF XXXX XXXX

DESCRIPTION

Polarlty, Q = +, | = -o

Dec lmal exponsnt.

B lts 17 and t 6 respect I vel y of b i nar ma nt I ssa.

Blfs 15 8 (left to rfght) of blnar mantlssa.

Blts 7 - 0 ( left to rlght) of blnary mantissa.

EC

00 01 10 tt

of fhe

c-2

APPEND IX C. B INARY F I NAL STORAGE DATA FORMAT DESCRIPTION

Interpretaflon of the declmal

B ITS

CDA

The exponent ls actual dec lmal exponent.

0 1

0 I 0 I

ly a

exponent I s as

DEC I MAL FORMAT

5 dlglts

XXXXX. XXXX. X XXX. XX XX. XXX X. XXXX . XXXXX

f ollows:

blnary value Indlcatlng the negat I ve

00 00 0t 01 10 10

c-3

The follorlng Pages In thls appendlx contaln set uP Informatlon and Programs to unload SM data to a partlcul ar computer or prlnfer devlce. Confrlbutlons to thls sectlon by fhe users ar very much aPpreclafed and r ll I add fo the completeness of thls sectlon. Because fe do not have access to it I the varlous comPufers, Campbel I Sclenflflc can not assume any responsabll tty for the accuracy of the lnformatlon confalned In thls aPPendlx. We r t | | attempt to correct any errors re are made arare of. Informatlon regardlng thls aPPndlx shou I d be senf to CS l, Aftn: Storage Modu I e Manua | .

APPEflDIX D. IIICROSOFT BASIC PROGRAI{ FOR STORAGE IIODULE UI{LOAD

D-l

APPEI{D IX D. iI ICROSOFT PROGRAI4 FOR STORAGE

cs I t s c2000 11 | cRocol,lPUTER

SM252A nTO TERM I NAL P0RTn Connected to Te ! eV I deo term i na I s 19200 baud.

Sl4232A nTO M0DEM P0RTn - Connected to C2000 Port A set at 192 bau d.

SM252A nTO STORAGE MODULEn Connected to the Storage Modu I e

SM252A Sl{ ITCHES DATA TO MODEM ONLY TRANSPARENT ( Initl al I y)

STORAGE M0DULE Sl{ ITCHES - 1 & 2 are UP the rest are In the sa posltlon as when the data were recorded.

INSTRUCTI0NS - Make the approprlate connectlons and set the sw ltches as Indlcated. Load MBASIC and run fhe unl program glven below. Follor the Instructlons glven the program!

SM UNLOAD PROGRAI{ (rrltten ln Mlcrosoftrs BASIC).

INPUT "SET SM252A T0 tUNLOAD| THEN ENTER F ILE NAME: ff, A$ REM REM THE NEXT 4 STATEMENTS ARE USED TO PROGRAM THE SM

REM

10 20 50 40 50 60 70 80 90

00 t0 2A

150 140 150 160 170 I 80. 190 200

PR I NT CHR$ PR I NT CHR$ PR INT CHR' PR INT CHR$

22) ICHR$( I 7) ;CHR$( 1 8) ;CHRS(l 9) ;CHR$ (20) 3

0); 0); 4) ;CHR$ ( I 3 ) ; CHR$ (0 ) ; nf l'19n ;CHR$ ( 0 )

0pEN r0rrlrA$ l=0 REM REQUEST A LINE OF DATA PRINT CHRS(17); LINE INPUT A$ lF A$ = nENDr THEN G0T0 180 PR tNT

'l,A$f= f+ tNT( (LEN(A$' / 1 01+.5 ) G0T0 120 closE #1 PRINT nTHE NUMBER 0F DATA P0INTS RECEIVED = nil END

D-2

at

APPENDIX D. iIICROSOFT PROGRAII FOR STORAGE MODULE

IBI,I PERSONAL COHPUTER MODEL XT OR MODEL PC

SM252A ttTO TERM INAL PORTtt Connected to lBMrs Asynchronous Commun I caf I ons AdaPtor.

Sl4232A ttTO M0DEM PORTtt Not connected.

Sl4232A nTO STORAGE MODULEn Connected fo the Storage Module

sM232A St{ ITCHES DATA TO TERMINAL & MODEM TRANSPARENT ( ! nltlal I Y)

STORAGE MODULE S|{ ITCHES - 1 ls up, 2 ls dorn and the rest are In the same posltlon as when the data utere recorded.

INSTRUCTI0NS - Make the apProprlate connectlons and set the sw I tches as I nd I cated. Get I nto MBAS I C and run the unload program glven below. Be sure to fol low the Instructlons glven In the Program.

SI{ UNLOAD PROGRAI4 (BAS I C vers lon 2.0 wr ltten by Ml crosoft) .

1O REM SET IBM ASYNCHRONOUS COMMUNICATIONS ADAPTER TO 96OO BAUD

20 0PEN nC0Ml:9600ff AS I 30 INPUT nSET SI4232A Sl{ ITCH TO IUNLOADI THEN ENTER F ILE NAME: II,A$

40 OPEN A$ FOR OUTPUT AS 2 5O REM 60 REM THE NEXT 3 LINES ARE USED TO PROGRAM THE STORAGE MODULE

70 REM 80 PR INT #1, CHR$ (221 iCHR$(17) ;CHR$(18) ;CHR$(19) ;CHR$(20) 3

90 PRINT #1, CHR$(0);CHR$(0); lOO PRINT #1, CHRS(4) ;CHR$(13) ;CHR$(0) ;nEtqgn;CHR$(0) I 10 l=0 120 REM REQUEST A LINE 0F DATA 150 PRINT 11' CHR$(17)i 140 L INE INPUT fl , At I5O PRINT A$ 160 REM I{RITE DATA POINTS TO DISK 170 PRfNT 12, AS 180 lF A$ = nENDn THEN G0T0 220 190 REM COUNT THE NUMBER OF DATA POINTS RECEIVED 200 l= l+ INT( ( LEN(A$, /10) +.5 )

210 G0T0 I 30 220 CLoSE #2 230 PR INT 'ITHE NUMBER 0F DATA P0 INTS RECE IVED = n; I

240 END

D-5

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