Rockwell-automation 193-EC4 EC4 Current Monitoring Relay User Manual Manual do Utilizador Página 24

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Rockwell Automation Publication 193-UM011A-EN-P - September 2010 25
Installation and Wiring Chapter 2
An earth ground connection to this terminal will assist in obtaining compliance with Electromagnetic
Compatibility requirements.
DeviceNet Terminals
The following table defines the DeviceNet connector terminal designations.
Grounding
The following grounding recommendations are provided to ensure
Electromagnetic Compatibility compliance during installation:
The earth ground terminal of the EC4 Current Monitoring Relay shall be
connected to a solid earth ground via a low-impedance connection
Installations employing an external ground fault sensor shall ground the
cable shield at the sensor with no connection made at the EC4 Current
Monitoring Relay
Short-Circuit Ratings
The EC4 Current Monitoring Relay is suitable for use on circuits capable of
delivering not more than the RMS symmetrical amperes listed in the following
tables.
95/96 Trip Relay Trip Relay
IT1/IT2
S1/S2 External ground fault sensor input
Table 7 - DeviceNet Terminal Designation
Terminal Signal Function Color
1V-CommonBlack
2 CAN_L Signal Low Blue
3 Drain Shield Non-insulated
4 CAN_H Signal High White
5 V+ Power Supply Red
Table 6 - Control Terminal Designation
Terminal
Designation
Reference Description
Table 8 - UL Short-Circuit Ratings
Cat. No. Maximum Available Fault
Current [A]
Maximum Voltage
[V]
193-EC
_ _B
5,000 600
193-EC
_ _D
5,000 600
193-EC
_ _E
10,000 600
193-EC
_ _Z
5,000 600
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