Rockwell Automation 1791ES-IB16 Guard I/O EtherNet/IP Safety Modules User Manual
Page 43
![background image](/manuals/579746/43/background.png)
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
S2
(N.O.)
S1
(N.C.)
PS1
S3
44285
PS1: User 24V DC power supply
S!: Safety Limit Switch
(Positive Opening Mechanism)
S2: Safety Limited Switch
Close
Safety
Guard