Safety Modules Owner manual

Rockwell Automation Publication 1791ES-UM001D-EN-P - May 2013 43

Wiring Examples Chapter 4

Figure 20 - Limit Switch Dual-channel Inputs and a Manual Reset

This example shows wiring and controller configuration when using the Guard

I/O module with limit switch dual-channel inputs and a manual reset. If used in

combination with the programs of a safety controller, the wiring is 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 1000 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 + In -

FE I0 I1 T0 T1 I2 I3 T2 T3M

(N.O.)

(N.C.)

PS1

44285

PS1: User 24V DC power supply

S!: Safety Limit Switch

(Positive Opening Mechanism)

S2: Safety Limited Switch

Safety

Guard