ProcessLogix and ControlLogix System Redundancy Module 31
Publication
1757-IN092E-EN-P - November 2007
Redundancy Cable - 1757-SRCxxx
User Relay Terminal
Power dissipation, max 11.28 W
Thermal dissipation, max 38.49 BTU/hr
Isolation voltage 30V continuous, Basic Insulation Type
Type tested at 853V ac for 60 s, Relay Terminals to system
Attribute Value
Connector SC-type (fiber-optic)
Cable type 62.5/125 micron multi-mode fiber-optic cable
Channels 1 (transmit and receive fiber)
Wavelength 1300 nm
Attribute Value
Power requirements 11
…
30V dc; 270 mA @ 24V dc (typical)
To comply with UL restrictions, the Relay Terminals must be
powered from a source compliant with Class 2.
To comply with the CE Low Voltage Directive (LVD), the Relay
Terminals must be powered from a source compliant with the
Safety Extra Low Voltage (SELV) or Protected Extra Low
Voltage (PELV).
Pilot duty rating Relay terminals: 30V dc Class 2/SELV, 100mA
Wiring category
(1)
(1)
Use this Conductor Category information for planning conductor routing. Refer to Industrial
Automation Wiring and Grounding Guidelines, publication 1770-4.1
.
3 - on Relay terminal ports
1
Relay terminals
0.3... 2.1 mm
2
(22...14 AWG) solid or stranded shielded copper
wire rated at 75 °C (167 °F) or greater 1.2 mm (3/64 in.)
insulation max
Terminal block torque 0.6
…
0.8 Nm (5
…
7 lb-in)
Attribute Value
Allen-Bradley Parts
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