Mitsubishi EMU2-CT5 Current Sensor User's Manual PDF

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Summary of Content for Mitsubishi EMU2-CT5 Current Sensor User's Manual PDF

CURRENT SENSOR

MODEL EMU2-CT5, EMU2-CT5-4W INSTRUCTION MANUAL

1 Safety Precautions

1.1 Precautions concerning working environment and conditions Do not use the unit in any of the following places. Doing so may cause malfunctions or a reduction in service life. Places where the ambient temperature exceeds the working temperature range(-5C to +55C). Places where the humidity exceeds the humidity range (5% to 95%RH) or where condensation occurs. Places with a lot of dust, corrosive gas, salt or oily smoke. Places where the unit may be exposed to rain or drops of water. Places where metal pieces or inductive substances are laying around.

Places where the daily average temperature exceeds +35C. Places with a lot of vibration or impacts. Places exposed to direct sunlight. Places where the out of the cabinet. Places with strong electromagnetic field or noise. Place where the altitude exceeds 2000m.

1.2 Precautions concerning preparations before using the equipment Use the unit in the specified usage environment and conditions. Check the current and voltage ratings of the equipment.

1.3 Precautions concerning installation and connection

1.4 Precautions concerning maintenance

Protect the unit from a power failure. Failure to do so can cause unit failures, fires, or electric shocks. Wipe off the surface dirt with tender Inui cloth. I let chemical cloths touch it for a long time, and do not wipe it with benzine or

thinner.

1.5 Precautions concerning inspection

Perform the check in the state that does not turn on electricity by all means. Check out the following, a) Does not this product have the damage? b) Are not there an abnormal sound, bad-smelling fever? c) Are not there installation, the slack of the screw?

1.6 Precautions concerning storage When storing the unit, turn off power, disconnect cables and wires, and put them in vinyl bags or the like. When storing the unit for a long time, avoid keeping it in the places shown below. Places where the ambient temperature is out of the range from 10C to +60C. Places where the humidity exceeds the humidity range(5%to 95%RH) or where condensation occurs. Places with a lot of dust, corrosive gas, salt or oily smoke. Places where the unit is exposed directly to rain, water droplets.

Places where the daily average temperature exceeds +35C. Places with a lot of vibration or impact. Places where metallic particles or inductive substances are laying around.

1.7 Precautions concerning disposal Dispose this product appropriately in accordance with the national or community rule.

Caution

Caution

2 Installation Installation

Connection For the details, See the manual, please wire the polarity (Power supply side, Load side), 1 side (R phase), 2 side (S phase), 3 side (T phase) and the polarity (k, l) of the secondary side of the CT to the k, l terminal of the measuring unit.

see the manual for the combination measurement unit.

3 Specification

1. Slide the lock pin to the direction indicated by thearrow. (SeeFig.1)

2. Pass the electric wire through the clamp (See Fig.2), andclose theclamp.

3. Push the lock pin to be locked while keeping the clamp fullyclosed with fingers. (See Fig.3)

1. The lock pin is a metallic part. Touching a live part may cause electric shocks, unit failures or fires. 2. The core may be damaged by excessive stress. The damaged core directly affects the unit performance. Take care not to put excessive stress on the core. 3. Even minute particles between cores on the surface directly affect the performance (measurement values can be lower). Check the surface carefully. 4. Do not put excessive stress on the open clamp. Doing so may damage the clamp. 5. Make sure the directions of LINE and LOAD sides are correct when tightening. If the clamp is set in a wrong direction, measuring cannot be performed properly.

Use the tying bands with a width of 2.6 mm or less used to fix the through wire and the main body. 6. When fixing, pass the cable tie through one of the holes for fixing the current sensor and fix the cable.

Be careful not to overtighten. There are a total of four holes on each side of the current sensor to hold the current sensor in place.

7. Make sure the clamping phase is correct. (L1, L2 and L3) If the clamp is set in a wrong phase, measuring cannot be performed properly. *For the details, see the manual for combination measurement unit.

5 Customer Service

Please refer to "catalog" or users manual (Details) for more detail. HEAD OFFICE: TOKYO BUILDING, 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, Japan

Make sure to use the module by following cautions of this section.

Perform installation, disassembly, the wiring work after intercepting a power supply by all means . There might be the damage of an electric shock or the product.( ) Do not install around non-insulated dangerous electric shock conductors that can cause electric shock, electric burn or arc flash. ( )

Any person who is involved in the installation and the wiring of this Programmable Controller should be fully competent to do the

work. Use an electric wire of the size of penetrating this current sensor for a primary side cable, do not use a non-insulation electric wire

or a metal for a primary cable. When threading and wiring, take utmost care that cuttings and wire pieces do not enter the equipment. Connect the wires carefully, checking the wiring diagram. Incorrect wiring can cause unit failures, fires, and electric shocks. Perform wiring work with current off and do not perform live wire operations. Doing so can cause electric shocks, unit failures, and

fires. Confirm that a connecter is connected surely. The lack of clamping causes malfunction of the machinery, a fire, the electric shock. Read the manual of measuring units which is used with this current sensor , and is used well, and follow it. Use this current sensor in cabinet certainly.

As for the panel, it be assumed that it was given the following matters.

a)It is necessary to attach a key to the cabinet. b)The structure that a power supply is intercepted automatically is necessary when opening a cabinet.

Degrees of protection(IPcode)needs to higher than IP2X level.

Dust or rust on the split part can degrade the performance of the current transformer . Wipe the dirt from the surface with soft dry cloth. Use the unit with in the rated range stated here. Using the unit out of the rated range may cause not only malfunctions or unit

failure,but also fires or burnout. The secondary side of the current sensor has a built-in protective circuit against opening of the secondary terminal. No problem occurs

by opening the terminal during wiring work. However, for safety, do not continuously apply current while the terminal is open.

Danger

Caution

<.Usage as the CE marking conformity article> Use in the environment with the pollution degree 2 or less. Install thecurrent sensor to thesecondary of the circuit breaker. Install thecurrent sensor in the cabinet. Use the PVC insulation electric wire (less than heat-resistant temperature +70C, the rating voltage 300V class.)

Model EMU2-CT5, EMU2-CT5-4W Maximum voltage (voltage to ground/line voltage)* 150V/260V AC

Rated primary current 5AAC Frequency 45 to 65Hz Ratio error 1%5% to 100% of ratingRL10

Phase displacement 0.9 c rad5% to 100% of ratingRL10 Measurement (installation) category CAT

Pollution degree 2

Applicable wiresize (reference) Sigle wire 35mm2 or less double wire 5.5mm2 or less

Working temperature range -5 to +55 (daily mean temperature:+35 or less) Working humidity range 5% to 95%RH (no condensation)

CE marking conformity standard EN61010-2-032

UL/c-UL conformity combination unit Unit combinaison conforme au

UL/c-UL standard

EMU2-CT5

This sensor confirm UL/c-UL in a condition to make combination use with Mitsubishi MELSEC-Qseries programmable controllers Energy Measuring Unit (ModelsQE81WH,QE81WH4W, QE84WH and QE83WH4W). When EMU2-CT5 is combined with EcoMonitorLight (Model:EMU4-BD1-MB,EMU4-HD1-MB),EcoMonitorPlus (Model:EMU4-BM1-MB,EMU4-HM1-MB,EMU4-A2,EMU4-VA2),and Mitsubishi MELSEC iQ-Rseries programmable controllers Energy Measuring Unit(ModelRE81WH),it is necessary to confirm compatibility with an end product. Ce dtecteur est conform au UL/c-ULstandard sous condition d'tre utilise et combin avec srie MELSEC-Q de Mitsubishi,appareil de contrle et programmable,Unit d'Energie Mesurage (Modle:QE81WH, QE81WH4W,QE84WH etQE83WH). Lorsque EMU2-CT5 est combin avec EcoMonitorLight (Modle:EMU4-BD1-MB, EMU4-HD1-MB) etEcoMonitorPlus(Modl:EMU4-BM1-MB,EMU4-HM1-MB,EMU4-A2,EMU4-VA2),etMELSECiQ-R de Mitsubishi, appareil decontrle et programmable,Unit d'Energie Mesurage(Modle:RE81WH),ilestncessairedeconfirmer la compatibilit avec le produit final.

EMU2-CT5-4W

This sensor confirm UL/c-UL in a condition to make combination use with Mitsubishi MELSEC-Q series programmable controllers Energy Measuring Unit. (Models QE81WH4W, QE83WH4W) When EMU2-CT5-4W is combined with EcoMonitorLight(Models EMU4-HD1-MB) and EcoMonitorPlus (Models EMU4-HM1-MB,EMU4-A2,EMU4-VA2), it is necessary to confirm compatibility with an end product. Ce dtecteur est conform au UL/c-UL standard sous condition d'tre utilise et combin avec srie MELSEC-Q de Mitsubishi, appareil decontrle et programmable, Unit d'Energie Mesurage (Modle:QE81WH4W, QE83WH4W). Lorsque EMU2-CT5-4W est combin avec EcoMonitorLight(Modle:EMU4-HD1-MB) etEcoMonitorPlus (Modl: EMU4-HM1-MB,EMU4-A2,EMU4-VA2) il est ncessaire de confirmer la compatibilit avec le produit final.

Caution

*Please check the maximum voltage for the combination measurement unit.

EMU2-CT5 / EMU2-CT5-4W is split current sensor for energy measuring unit. Read this manual thoroughly before using the equipment for proper handling. This manual should be retained for the future reference. Be sure that the manual is delivered to the end users. The following items for this device are included in package. Check that no items are missing. (1)Split current sensor x1 (2)Instruction manual x1

If you are considering using this unit for special purpose such as nuclear power plants, aerospace, medical care, or passenger vehicles, please refer to our sales representative.

4 Contained harmful substances

CAUTION LINE side Power Supply side

Pb Hg

Cd Cr(VI) PBB

PBDE

SJ/T11364

(2)

6

GB/T 26572

GB/T26572

RoHS

(1)

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