SMC D-S9 Switch Operation Manual PDF

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Summary of Content for SMC D-S9 Switch Operation Manual PDF

No.D-S-OMB0023-C

PRODUCT NAME

Solid State Auto Switch

MODEL / Series / Product Number

D-S9### D-T99### D-S7### D-T79###

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No.D-S-OMB0023-C

Table of Contents

Safety Instructions 2 Model Indication and How to Order 8 Summary of Product parts 11

Definition and terminology 11 Mounting and Installation 12

Installation 12 Circuit diagram 14

Troubleshooting 15 Specifications 19

Dimensions 20

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No.D-S-OMB0023-C

Safety Instructions

These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of "Caution", "Warning" or "Danger". They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC)*1), and other safety regulations. *1) ISO 4414: Pneumatic fluid power -- General rules relating to systems.

ISO 4413: Hydraulic fluid power -- General rules relating to systems. IEC 60204-1: Safety of machinery -- Electrical equipment of machines. (Part 1: General requirements) ISO 10218: Manipulating industrial robots -Safety. etc.

Caution Caution indicates a hazard with a low level of risk which, if not avoided, could result in minor or moderate injury.

Warning Warning indicates a hazard with a medium level of risk which, if not avoided, could result in death or serious injury.

Danger Danger indicates a hazard with a high level of risk which, if not avoided, will result in death or serious injury.

Warning 1. The compatibility of the product is the responsibility of the person who designs the

equipment or decides its specifications. Since the product specified here is used under various operating conditions, its compatibility with specific equipment must be decided by the person who designs the equipment or decides its specifications based on necessary analysis and test results. The expected performance and safety assurance of the equipment will be the responsibility of the person who has determined its compatibility with the product. This person should also continuously review all specifications of the product referring to its latest catalog information, with a view to giving due consideration to any possibility of equipment failure when configuring the equipment.

2. Only personnel with appropriate training should operate machinery and equipment. The product specified here may become unsafe if handled incorrectly. The assembly, operation and maintenance of machines or equipment including our products must be performed by an operator who is appropriately trained and experienced.

3. Do not service or attempt to remove product and machinery/equipment until safety is confirmed. 1. The inspection and maintenance of machinery/equipment should only be performed after measures to

prevent falling or runaway of the driven objects have been confirmed. 2. When the product is to be removed, confirm that the safety measures as mentioned above are

implemented and the power from any appropriate source is cut, and read and understand the specific product precautions of all relevant products carefully.

3. Before machinery/equipment is restarted, take measures to prevent unexpected operation and malfunction. 4. Contact SMC beforehand and take special consideration of safety measures if the

product is to be used in any of the following conditions. 1. Conditions and environments outside of the given specifications, or use outdoors or in a place

exposed to direct sunlight. 2. Installation on equipment in conjunction with atomic energy, railways, air navigation, space, shipping,

vehicles, military, medical treatment, combustion and recreation, or equipment in contact with food and beverages, emergency stop circuits, clutch and brake circuits in press applications, safety equipment or other applications unsuitable for the standard specifications described in the product catalog.

3. An application which could have negative effects on people, property, or animals requiring special safety analysis.

4. Use in an interlock circuit, which requires the provision of double interlock for possible failure by using a mechanical protective function, and periodical checks to confirm proper operation.

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No.D-S-OMB0023-C

Safety Instructions

Caution 1.The product is provided for use in manufacturing industries.

The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary. If anything is unclear, contact your nearest sales branch.

Limited warranty and Disclaimer/Compliance Requirements The product used is subject to the following "Limited warranty and Disclaimer" and "Compliance Requirements". Read and accept them before using the product.

Limited warranty and Disclaimer 1. The warranty period of the product is 1 year in service or 1.5 years after the product is

delivered, whichever is first.2) Also, the product may have specified durability, running distance or replacement parts. Please consult your nearest sales branch.

2. For any failure or damage reported within the warranty period which is clearly our responsibility, a replacement product or necessary parts will be provided. This limited warranty applies only to our product independently, and not to any other damage incurred due to the failure of the product.

3. Prior to using SMC products, please read and understand the warranty terms and disclaimers noted in the specified catalog for the particular products. 2) Vacuum pads are excluded from this 1 year warranty.

A vacuum pad is a consumable part, so it is warranted for a year after it is delivered. Also, even within the warranty period, the wear of a product due to the use of the vacuum pad or failure due to the deterioration of rubber material are not covered by the limited warranty.

Compliance Requirements 1. The use of SMC products with production equipment for the manufacture of weapons of

mass destruction (WMD) or any other weapon is strictly prohibited. 2. The exports of SMC products or technology from one country to another are governed by

the relevant security laws and regulation of the countries involved in the transaction. Prior to the shipment of a SMC product to another country, assure that all local rules governing that export are known and followed.

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No.D-S-OMB0023-C

Operator This operation manual is intended for those who have knowledge of machinery using pneumatic

equipment, and have sufficient knowledge of assembly, operation and maintenance of such equipment. Only those persons are allowed to perform assembly, operation and maintenance.

Read and understand this operation manual carefully before assembling, operating or providing maintenance to the product.

Safety Instructions

Warning Do not disassemble, modify (including changing the printed circuit board) or repair.

An injury or failure can result.

Do not operate the product outside of the specifications. Do not use for flammable or harmful fluids. Fire, malfunction, or damage to the product can result. Verify the specifications before use. Do not operate in an atmosphere containing flammable or explosive gases.

Fire or an explosion can result. This product is not designed to be explosion proof.

If using the product in an interlocking circuit: Provide a double interlocking system, for example a mechanical system. Check the product regularly for proper operation. Otherwise malfunction can result, causing an accident.

The following instructions must be followed during maintenance: Turn off the power supply. Stop the air supply, exhaust the residual pressure and verify that the air is released before performing maintenance work.

Otherwise an injury can be caused.

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No.D-S-OMB0023-C

Caution Do not touch terminals and printed circuit board inside the product.

Otherwise it can cause electric shock, malfunction or damage to the product can result.

After maintenance is complete, perform appropriate functional inspections. Stop operation if the equipment does not function properly. Safety cannot be assured in the case of unexpected malfunction. Be sure to confirm the wiring condition.

This series, including this product, is not equipped with excessive current protection. Therefore, incorrect wiring and or a short-circuited load could damage and or burn this product.

NOTE Follow the instructions given below when designing, selecting and handling your Auto switch. The instructions on design and selection (installation, wiring, environment of use, adjustment, operation,

maintenance and etc.) described below must also be followed. Do not place two or more actuators close together.

When using more than two Auto switches mounted parallel with each other, keep 40 mm or more between actuator tubes to prevent influence (malfunction) due to magnetic interference. (Keep the allowable displacement for each Auto switch if specified)

Detection of a piston by Auto switch mounted in the middle part of a cylinder stroke depends on the speed of the piston. Satisfy the conditional equation below. Where the maximum detectable piston speed = V (mm/s)

V (mm/s) = Travel of auto switch (mm)

X1000 Change over time of load (ms)

Reserve a space for maintenance. Remember to leave space for maintenance when installing the product.

Product handling Installation Follow the specified tightening torque.

Excessive tightening torque can break the mounting screws, mounting bracket or Auto switch. Insufficient tightening torque can displace the Auto switch from the original position. (Refer to the installation manual)

Connect frame-ground terminal (FG terminal) to the ground when using a switching power supply. Do not drop, hit or apply excessive shock (larger than 1000 m/s2) to the Auto switch.

Otherwise it can result in damage to the Auto switch causing failure or malfunction.

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No.D-S-OMB0023-C

Wiring Do not pull the lead wires.

Especially never lift actuator equipped with Auto switch by holding the lead wires. It can result in damage to inside of Auto switch causing malfunction.

Do not bend or apply tensile stress to lead wires repeatedly. Wiring with repetitive bending stress or tensile stress can cause peel of a sheath. If the lead wire can move, fix it near the body of the Auto switch. A bend radius of about 40 to 80 mm is recommended. Contact us for the details.

Connect wires and cables correctly. Miswiring can break the Auto switch depending on the miswired circuit.

Do not connect wires while the power is on. Otherwise it can break the circuit inside the Auto switch causing malfunction.

Do not lay wires or cables with power cable or high-voltage cable in the same wiring route. Lay the wires to the Auto switch to a wire duct or in a protective tube other than those for power cables or high-voltage cables to prevent contamination with noise or induced surge voltage from power lines or high-voltage lines.

Verify the insulation of wiring. Poor insulation (interference with other circuit, poor insulation between terminals and etc.) can introduce excess voltage or current to the Auto switch causing damage.

Keep wiring as short as possible to prevent contamination from noise and induced surge voltage. Do not use a cable longer than 100 m.

Environment Never use the product for a corrosive gas or liquid.

It can cause failure or malfunction. Do not use the product in a place where strong magnetic field exists.

It can cause a malfunction of the Auto switch, or demagnetization of a magnet inside actuator. Do not use the Auto switch in an environment where the Auto switch is always splashed with water drips. It can cause poor insulation or malfunction due to swelling of a resin filled inside the Auto switch.

Do not use the product in an atmosphere containing oils or chemicals. Use of the Auto switch in an atmosphere containing various oils or chemicals such as coolant or detergent can result in giving bad influence (poor insulation, malfunction die to swelling of a resin filled inside the Auto switch, or hardening of lead wires) even if in a short operating period.

Do not use the product in an atmosphere where steel dusts accumulate or magnetic bodies are gathered closely. When an amount of steel chips or steel dusts such as sputters of welding accumulate around an actuator equipped with Auto switch, or magnetic bodies (those attracted by magnet) are gathered closely to the actuator, they can weaken a magnet inside the actuator causing inoperativeness of the Auto switch.

Do not use the product in an environment where heat cycle exists. Heat cycles other than ordinary change of the temperature can affect the inside of Auto switch.

Do not use the Auto switch nearby a place where electric surges are generated. Internal circuit elements of Auto switch can deteriorate or break when equipment generating a large surge (electromagnetic lifter, high frequency induction furnace, motor, etc.) is located near the Auto switch. Provide surge preventives, and avoid interference.

Do not use a load generating surge voltage. Use Auto switch equipped with surge absorber when a surge-generating load such as a relay or solenoid valve is driven directly.

Do not use in environments subject to radiation stress. It is not designed to withstand radiation, which may cause damage to the internal circuit elements of the auto switch.

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No.D-S-OMB0023-C

Adjustment and Operation Adjust an Auto switch in the middle of operating area and then fix it.

Adjust the position of Auto switch in a way that a piston stops at about the middle of operating area (where switch is in ON status). Mounting the Auto switch close to the end of operating area can cause instability of operation. Air grippers and rotary actuators have their own setting method. Follow their instructions.

Turn the power on after connecting a load. Otherwise it can cause excess current causing instantaneous breakage of the Auto switch.

Maintenance Perform maintenance and check regularly.

Otherwise safety is not assured due to an unexpected malfunction or incorrect operation. Do not touch terminals or printed circuit board inside the switch while the power is on.

Otherwise it can cause in malfunction or damage to AUTO switch.

Others Contact SMC for water-proof capability, endurance of wire bending or use at welding shop. Contact SMC when there is a problem of switchs ON/OFF positions (hysteresis).

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No.D-S-OMB0023-C

Model Indication and How to Order

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No.D-S-OMB0023-C

Summary of Product parts D-S791/D-S7P1/D-T791

D-T791C

Handling Precautions

Insert the connector until the sleeve hit the switch so that projected part of the connector engage the groove of inserted portion. Tighten the tightening ring afterwards. Water tightness may be deteriorated if tightening ring is loose. : Do not use any tool like a pliers for tightening ring.

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No.D-S-OMB0023-C

D-S991/D-S9P1/D-T991

D-S99V1/D-S9PV1/D-T99V1

: The description of parts is consistent regardless of the type of switch. The drawing above is the right handed type.

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No.D-S-OMB0023-C

Definition and terminology

Term Meaning and definition

Hysteresis

The difference between the points when the Auto switch turns on and off, which is provided to prevent chattering.

Most sensitive position The center position of the sensor unit (which gets the strongest reaction of the sensor unit), which means the center position of an operating range as well.

Sequence controller (PLC)

The device to perform sequence control, which performs controlling such as receipt of inputs from the Auto switch along with programming and sending of the output to other machines.

Internal voltage drop The voltage applied between the COM and signal line when the Auto switch turns on. Current leakage The current flowing to the load when the Auto switch turns off. Load current The current flowing to the load when the Auto switch turns on.

Solid state auto switch Auto switch which generates on and off outputs with or without mechanical contact such as a transistor.

Reed auto switch Auto switch which generates on and off outputs with a mechanical contact. 2-wire auto switch Auto switch which has only signal line and COM line.

NPN output

Auto switch which sinks current from the signal line when turning on.

PNP output

Auto switch which sources current from the signal line when turning on.

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No.D-S-OMB0023-C

Mounting and Installation Installation

When mounting the Auto switch to actuator it should be done with clamp for actuator. How to mount depends on actuator type and tube I.D. Please refer the actuator catalogue. When the Auto switch is mounted newly, please prepare the clamp for actuator after confirms that the actuator built in magnet.

Proper tightening torque The tightening torque of the M3 mounting screw must be 0.5 Nm (5.1 kgfcm).

< D-S79, D-S7P, D-T79, D-T79C > 1. Auto switch mounting

Loosen the cross recessed round head screw (2), and insert the arm of the auto switch.

2. Auto switch securing Set the auto switch so that it is in contact with the switch block, and tighten the cross recessed round head screw (2). : Proper tightening torque: 0.4 to 0.6 Nm

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No.D-S-OMB0023-C

< D-S99(V), D-S9P, D-T99 > 1. Switch block detaching

Remove the cross recessed round head screw (1) to detach the switch block.

2. Auto switch mounting Secure the auto switch with the cross recessed round head screw (1) and holding block (A). Proper tightening torque: 0.4 to 0.6 Nm : Since the holding block (A) moves inside the groove, move it to the mounting position beforehand.

After the actuated position has been adjusted with the cross recessed round head screw (1), use the auto switch.

Setting the detecting position Set the actuator at the stroke end. Set the switch in the area to where the auto switch lamp light.

For actual installation works, perform adjustment with checking the operating conditions of the Auto switch. The rotary actuators have their own setting methods. Follow their instructions.

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No.D-S-OMB0023-C

Circuit diagram

D-S79#/D-S99(V)# (Power supply for switch and load are separate)

D-S7P#/D-S9P(V)#

D-T79#(C)/D-T99(V)# (Sink input mode) D-T79#(C)/D-T99(V)# (Source input mode)

: The number marked on each lead wire color shows the pin number of pre-wired connector.

PLC connector (sequence controller)

M8 3-pin connector M8 4-pin connector M12 4-pin connector

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No.D-S-OMB0023-C

Troubleshooting When the auto switch falls in operation failure, identify the trouble with the following flow chart. A failure of the auto switch might depend on operating environment (application etc.) and needs to be given a measure by contacting to us separately. Yes No

The switch output doesnt turn on.

The operation LED doesnt light up.

The operation LED doesnt go off.

Switch failure

Misapplication

Switch failure

Trouble No.7

The operation LED doesnt light

The operation LED doesnt go off.

Trouble No.2

Trouble No.3

Trouble No.4

Trouble No.6

Normal

Trouble No.5

Switch failure

Is the actuator applicable?

The switch doesnt detect normally.

The operation LED doesnt light up.

The switch output doesnt turn off.

The operation LED doesnt go off.

The switch outputs normally.

Trouble No.1 Operation LED flashes.

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No.D-S-OMB0023-C

Cross-reference for troubleshooting Reference

No. Problem Possible cause Investigation method Countermeasure

1

Output ON and OFF is displayed in turn

Wiring failure Check that the load is connected. Correct wiring. (Refer to "Circuit diagram" on page 14.)

Not match with load specification

Check if load specification satisfy the formula below.

Load current 40 mA

Change to a load which satisfies the formula.

Lead wire disconnection

Presence of repeated bending stress to one point of the lead wire. (Bend radius/Tensile force to lead wire)

Correct wiring. (Correct tensile force/increase bend radius)

2

Output stays ON Display stays ON

Malfunction due to turbulence magnetic field

Influence of the magnetic field of adjacent cylinder.

Use magnetic shield between cylinders.

Incorrect setting (mounting) position : Short stroke

Check if the condition is as below. Switch operation range. > Piston stroke

Displace the switch set position from the operation range center.

3

Output stays ON Display stays OFF

Wiring failure (2-wire type)

Check if the switch wiring connection is reversed (Brown/Blue).

Correct wiring. (Refer to "Circuit diagram" on page 14.)

Switch failure (3-wire type)

Replace the switch.

4

Output stays ON Display is normal

Not match with load specification (2-wire type)

Check if load specification satisfy the formula below. Load ON voltage

> (Switch leak current x n) x Load resistance or load OFF current

> (Switch leak current x n) n: Number of switch connected in parallel

Change to 3-wire type or reed Auto switch. Reduce the number of switch connected in parallel.

Wiring failure (3-wire type)

Check reversed connection of the switch wiring (Black/Blue).

Correct wiring. (Refer to "Circuit diagram" on page 14.)

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No.D-S-OMB0023-C

Reference No.

Problem Possible cause Investigation method Countermeasure

5

Output stays OFF Display stays OFF

Abnormal power source

Check the source voltage. (Zero or very low)

Set the source voltage to specified voltage. (Refer to "Specifications (power voltage and load voltage)" on page 19.)

Wiring failure Voltage applied to switch (load voltage).

Correct wiring. (Refer to "Circuit diagram" on page 14.)

Incorrect setting (mounting) position

Check if detection is made close to the operation range limit.

Correct the position. (Center of operation range)

Set position displacement

Loose set bracket or set screw. Fix at the right position with right torque. Tightening torque: 0.5 Nm

Stop position displacement of the piston

Check if the stroke stop position is Inconsistent.

Stabilize stop position. (Correction of displacement/cushion)

Decrease of Detected magnetic field (demagnetization)

Presence of magnetic field generating source around the cylinder. (Electric welding machine conductor/ Strong magnet)

Use the shield between magnetic field generating source and cylinder.

Influence of magnetic field of adjacent cylinder (20 mm or less).

Keeps cylinder away (40 mm or more). Use magnetic shielding.

Presence of magnetic material (chip) piled up on the cylinder.

Remove piled up magnetic material.

Lead wire disconnected

Presence of repeated bending stress to one point of the lead wire. (Bend radius/Tensile force to lead wire)

Correct wiring. (Correct tensile force/increase bend radius)

6

Output stays OFF Display is normal

Not match with load specification (2-wire type)

Check if load specification satisfy the formula below. Load ON voltage

< Load voltage (Switch internal voltage drop x n) n: Number of switch connected in serial

Change to 3-wire type or reed Auto switch. Reduce the number of switch connected in serial.

Wiring failure (Output line) (3-wire type)

Connect condition (connector contact pin / crimp terminal).

Correct wiring. (Re-wiring the connecting part)

Disconnection of lead wire (black) (3-wire type)

Presence of repeated bending stress to one point of the lead wire. (Bend radius / Tensile force to lead wire)

Correct wiring. (Correct tensile force/increase bend radius)

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No.D-S-OMB0023-C

Reference No.

Problem Possible cause Investigation method Countermeasure

7

Unstable operation (Chattering)

Incorrect setting (mounting) position

Check if detection is made around the limit of operation range.

Correct the position. (center of the operation range.)

Set position displacement

Loose set bracket or set screw. Fix at the right position with right torque. Tightening torque: 0.5 Nm

Wiring failure Condition of connecting part (connector contact pin/crimp terminal).

Correct wiring. (Re-wiring of connecting part)

Lead wire disconnection

Presence of repeated bending stress to one point of the lead wire. (Bend radius/Tensile force to lead wire)

Correct wiring. (Correct tensile force/increase bend radius)

Malfunction due to turbulence magnetic field

Presence of magnetic field generating source around the cylinder. (Cylinder, electric welding machine conductor, motor, magnet etc.)

Use the shield between magnetic field generating source and cylinder. Keep the cylinder away from magnetic field generating source.

Multiple point operation

Malfunction due to turbulence magnetic field

Influence of the magnetic field of adjacent cylinder.

Use magnetic shield between Cylinders.

Load does not operate

Detect the intermediate position of the stroke

Check if piston speed satisfy the formula below. Load operation time [s]

< Switch operation time [mm] /piston speed [mm/s]

Reduce the piston speed until the formula is satisfied.

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No.D-S-OMB0023-C

Specifications

Switch part no. D-S79# D-S99# D-S99V# D-S7P#

D-S9P# D-S9PV# D-T79#(C) D-T99# D-T99V#

Lead wire orientation In line Perpendicular In line Perpendicular In line Perpendicular Wiring 3-wire 2-wire Output NPN PNP - Applicable load IC circuit, Relay, PLC 24 VDC Relay, PLC

Power supply voltage 5/12/24 VDC (4.5 to 28 VDC) - Current consumption 10 mA or less - Load voltage 28 VDC or less - 24 VDC (10 to 28 VDC) Load current 40 mA or less 2.5 to 40 mA

Internal voltage drop 0.8 V or less at load current of 10 mA (2 V or less at load current of 40 mA) 4 V or less

Current leakage 100 A or less at 24 VDC 0.8 mA or less Indication light Operating position: The red LED lights up. Standard CE/UKCA marked

Oilproof heavy-duty lead wire specifications

Switch part no. D-S79# D-S99# D-S99V# D-S7P#

D-S9P# D-S9PV# D-T79#(C) D-T99# D-T99V#

Sh ea

th

Outside diameter (mm) 3.4

In su

la to

r Wires 3-wire (Brown, Blue, Black) 2-wire (Brown, Blue)

Outside diameter (mm) 1.1

C on

du ct

or Cross section

(mm2) 0.2

Wire diameter (mm) 0.08

Minimum bending radius (mm) (Reference value)

21

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No.D-S-OMB0023-C

Dimensions D-S791#/D-S7P1#/D-T791#

D-S792#/D-S7P2#/D-T792#

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No.D-S-OMB0023-C

D-T791C

D-T792C

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No.D-S-OMB0023-C

D-S991/D-S9P1/D-T991

D-S992/D-S9P2/D-T992

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No.D-S-OMB0023-C

D-S99V1/D-S9PV1/D-T99V1

D-S99V2/D-S9PV2/D-T99V2

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No.D-S-OMB0023-C

Pre-wired connector D-####APC/D-####BPC

D-####DPC

No.D-S-OMB0023-C

Revision history

A: Limited warranty and Disclaimer are added. B: Complete revision. [July 2019] C: Contents are added. [July 2022]

4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021 JAPAN Tel: + 81 3 5207 8249 Fax: +81 3 5298 5362 URL https://www.smcworld.com

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