Allen-Bradley 1791ES-IB8XOBV4 - Wiring Examples for Safety Categories

64 Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016
Chapter 4 Wiring Examples
Wiring Examples for Safety
Categories
Read this chapter for information about wiring and safety categories. See
Table 21
for more information on input device connection methods and their
safety categories.
Table 21 - Input Device Connection Methods and Safety Categories
Connected Device Test Pulse
from Test
Output
Connection Schematic Diagram Safety
Category
Maximum
Performance
Level
Reset switch No Connect the switch
between I0 and T0. T0
must be configured as
24V power supply.
–C
Connect the switch
between 24V DC and I0.
–C
Single-channel safety
device
Yes Connect the switch
between I0 and T0
2D
I0 I1 T0 T1
1
4
5
2
3
1791ES Modules
1732ES Modules
1 - Test Output 1
2 - Input 1
3 - Input Common
4 - Input 0
5 - Test Output 0
I0 I1 T0 T1
1
4
5
2
3
24V DC
24V DC
1791ES Modules
1732ES Modules
1 - Test Output 1
2 - Input 1
3 - Input Common
4 - Input 0
5 - Test Output 0
1
4
5
2
3
Only 1732ES Modules
1 - Test Output 1
2 - Input 1
3 - Input Common
4 - Input 0
5 - Test Output 0