Siemens SIMATIC NET RUGGEDCOM MX5000RE Installation Manual page 24

1
2
3
Figure 2.5
The failsafe relay terminal is connected to the patch panel for the CM using the cable
assembly provided. The connector is an Amphenol MIL-DTL 38999 size 13, code A.
The following is the pin-out for the connector:
Figure 2.6
RUGGEDCOM MX5000RE
Installation Manual, 01/2021, C79000-G8976-1060-13
1 2 3
Normally Open
Common (Ground)
Normally Closed
Failsafe Alarm Relay Wiring
Failsafe Relay Alarm Panel
Connector
2.5 Connecting the Failsafe Alarm Relay
Pin
NC Normally Closed
Common
NO Normally Open
Pin
A
B
C
D
Installing the Device
Function
Ground
Description
COM (Common)
NO (Normally Open)
NC (Normally Closed)
Spare
15