Rockwell Automation 1734-IE4S POINT Guard I/O Safety Modules User Manual - Manual (Page 26)

26 Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Chapter 2 Safety Inputs, Safety Outputs, and Safety Data
Single-channel Mode
If an error is detected, safety input data and safety input status turn off.
Figure 7 - Normal Operation and Fault Detection (not to scale)
24V
0V
Test Output 0
Input Terminal 0
External Device
Fault Detected
ON
OFF
ON
OFF
ON
OFF
ON
OFF
24V
0V
ON
OFF
Safety Input 0
Status
Fault Detection
ON
OFF
ON
OFF
ON
OFF
Safety Input 0
Status
Safety Input 0
Data
Safety Input 0
Data
Input Terminal 0
Normal Operation
External Device
Test Output 0
Safety
I/O
Network
Data Sent
to the
Controller
Safety
I/O
Network
Data Sent
to the
Controller