Siemens SIMATIC NET RUGGEDCOM RSG907R Installation Manual page 21

Installing the Device
2.4 Connecting the Failsafe Alarm Relay
To connect the failsafe alarm relay, do the following:
1.
2.
12
Insert the failsafe alarm relay terminal block into the device and tighten the
screws.
Figure 2.6 Assembling the Failsafe Alarm Relay Terminal Block
Connect a failsafe device to the terminal block.
Failsafe Alarm Relay Terminal Block
1
Normally Open
2
Common
3
Normally Closed
4
Figure 2.7 Failsafe Alarm Relay Wiring
2 3 4
1
RUGGEDCOM RSG907R
Installation Manual, 02/2020, C79000-G8976-1387-09