Schneider Electric E4800 manual Installing 5A Converters and CTs on the PowerLogic EM4880

Page 29

930-110-01-B.00

PowerLogicTM EM4800 Series

04/2011

Installation

 

 

1.

Connect the 50-pin connector to the PowerLogic connector located at

 

the bottom side of the unit, and secure it in place with the retaining clips.

2.

Feed the free end of the cable through the bottom left of the meter

 

enclosure.

 

This cable is made up of twisted-pair wires for connecting the individual

 

CTs to the metered points. The color codes for the X1 (positive) and X2

 

(neutral) connections for each CT are listed in Table 2 on page 26.

 

NOTE: The direction of the energy flow is indicated on the CT.

3.

Turn off the power feed to the panel where the CTs are being installed.

 

Always use a properly rated voltage sensing device to confirm power is

 

off.

4.

Feed the CT cable into the panel through an appropriate punch-out with

 

an approved strain relief.

5.

Strip the plastic sheaths on the cable to an appropriate length to expose

 

the wire pairs. Cut and strip the CT leads and wire pair leads to an

 

appropriate length. Crimp the CT leads to the wire pairs for each meter

 

point.

6.

Connect the X1 lead of the CT to the X1 lead of the cable, then connect

 

the X2 lead of the CT to the X2 lead of the cable (see Table 2).

7.

When using solid-core CTs, remove the feed wire from the circuit

 

breaker, place the CT over the wire, and reconnect to the circuit

 

breaker. Ensure that the arrow on the CT label is pointing in the

 

direction of the energy flow (toward the load).

8.

When using split-core CTs, separate the halves of the CT and place the

 

CT over the wire to the circuit breaker. Ensure that the CT is facing the

 

source as shown on the label. Install cable ties to ensure that the CT

 

halves are held together securely.

9.

Repeat steps 5 to 8 for the remaining CTs.

Installing 5A Converters and CTs on the PowerLogic EM4880

When both low-current (200A and 400A) and high-current (600A or higher) circuits need to be measured with the same PowerLogic meter, converters are available to allow the use of Measurement Canada approved 5A CTs with the appropriate current rating. 5A CT converters transform the 5A maximum output from a standard CT to the 80mA maximum of the PowerLogic meter.

The 5A side of the converter is the black and red wire pair, and the 80mA side of the converter is the black and white wire pair.

NOTE: It is recommended that 5A converters and shorting devices be installed in a sealable metal enclosure.

© 201 Schneider Electric All Rights Reserved

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Contents PowerLogicTM Series EM4800 Digital apparatus complies with Canadian ICES-003 ProcedureIndustry Canada Class B Emission Compliance Statement  Schneider Electric All Rights Reserved Table of Contents Page Introduction PowerLogic EM4800 series System SpecificationsEnvironmental PowerLogic EM4800 series meter specificationsEM4800 Front Panel DisplayPowerLogic EM4833 and PowerLogic EM4880 internal view PowerLogic EM4805 internal view Electrical Standards Compliance Safety PrecautionsInjury Receiving InstallationPre-Installation Checklist Site Planning Access to Power and LightingMounting the PowerLogic EM4800 meter 10.2 cm 04/2011 Installation Shorting block detail 930-110-01-B.00 Wiring diagrams Power is offElectrical personnel Inside equipmentFor a single-phase panel with the 120V variant of the meter 201 Schneider Electric All Rights Reserved 930-110-01-B.00 201 Schneider Electric All Rights Reserved 930-110-01-B.00 Phase B CT is optional Delta service meteringInstalling the Current Transformers Source Installing 5A Converters and CTs on the PowerLogic EM4880 Shows a 5A CT connected to the converter PowerLogic EM4880 5A CT connection to converter X1 CT X2 CT Connect the two wiring harnesses to the PowerLogic EM4805 Installing the 5A CTs on the PowerLogic EM4805Remove the shorting block jumper Repeat steps 5 to 7 for remaining CTsPowerLogic EM4805 CT color pair identification Connecting the Phone Line Connecting the CommunicationsConnecting the Ethernet Cable Manually Testing CommunicationsDiagnostics Mode Normal ModePulse Inputs Display NavigationRecording the Meter Map Remote DisplayInstallation Record sample shown Maintenance Regulatory Compliance Graphical symbols that appear on equipment Graphical symbolsShows the graphical symbols that appear on the equipment Index PowerLogicTM EM4800 Series 930-110-01-B.00 Index 04/2011 User Notes Page 930-110-01-B.00 04/2011
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E4800 specifications

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