Rockwell Automation 1791DS-IBxxxx Guard I/O DeviceNet Safety Modules - Manual (Page 48)

48 Rockwell Automation Publication 1791DS-UM001J-EN-P - May 2013
Chapter 4 Wiring Examples
Emergency Stop Switch Dual-channel Inputs with Manual Reset
This example shows wiring and controller configuration when using a Guard I/O
module with an emergency stop switch that has dual-channel inputs with manual
reset. If used in combination with the programs in a safety controller, this wiring
is Safety Category 4 in accordance with EN 954-1 wiring requirements.
Controller
Configuration Parameter Name Configuration Setting
Safety Input 0 Safety Input 0 Channel Mode Test Pulse from Test Output
Safety Input 0 Test Source Test Output 0
Dual-channel Safety Input 0/1 Mode Dual-channel Equivalent
Dual-channel Safety Input 0/1 Discrepancy Time 100 ms (application dependent)
Safety Input 1 Safety Input 1 Channel Mode Test Pulse from Test Output
Safety Input 1 Test Source Test Output 1
Safety Input 2 Safety Input 2 Channel Mode Used as Standard Input
Safety Input 2 Test Source Not Used
Dual-channel Safety Input 2/3 Mode Single Channel
Test Output 0 Test Output 0 Mode Pulse Test Output
Test Output 1 Test Output 1 Mode Pulse Test Output
Test Output 2 Test Output 2 Mode Power Supply Output
IN+ I0 I1 I2 T2
T0 T1 IN- FE
E1
S1 S2
31802-M
E1: 24V DC Power Supply
S1: Emergency Stop Switch
(positive opening mechanism)
S2: Reset Switch
FE: Functional Earth Ground