Rockwell-automation 193-EC4 EC4 Current Monitoring Relay User Manual User Manual Page 23

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24 Rockwell Automation Publication 193-UM011A-EN-P - September 2010
Chapter 2 Installation and Wiring
Control and DeviceNet Terminals
For reliable input signal processing, input wiring should be routed in raceways
separate from power cabling.
Terminal Designations
Control Terminals
The following table defines the EC4 Current Monitoring Relay control terminal
designations.
Table 3 - Control and DeviceNet Terminal Wire Size and Torque Specification
Cat. No. All Types
Stranded/Solid
AWG
Single Conductor
Multiple Conductor
Torque
24...12 AWG
24...16 AWG
5 lb-in
Flexible-Stranded with Ferrule
Metric
Single Conductor
Multiple Conductor
Torque
0.25...2.5 mm
2
0.5...0.75 mm
2
0.55 Nm
Coarse-Stranded/Solid
Metric
Single Conductor
Multiple Conductor
Torque
0.2...4.0 mm
2
0.2...1.5 mm
2
0.55 Nm
Table 4 - Maximum Wire Lengths (Input)
Min. Cross
Section
mm
2
0.5 0.75 1.5 2.5 4.0
AWG 20 18 16 14 12
Max.
Length
m 160 250 400 600 1000
ft 525 825 1300 1950 3200
Table 5 - Ground Fault Sensor Terminals (S1 and S2)
Wire type Shielded, twisted pair
Cross section
0.2…4.0 mm
2
(#24…12 AWG)
Torque
0.55 Nm (5 lb-in.)
Table 6 - Control Terminal Designation
Terminal
Designation
Reference Description
1 IN 1 General-purpose sinking input number 1
2 IN 2 General-purpose sinking input number 2
3 IN 3 General-purpose sinking input number 3
4 IN 4 General-purpose sinking input number 4
5 V+ +24V DC supply for inputs
6V+
End Earth Ground
13/14 OUT A Output A
23/24 OUT B Output B
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