Connecting The Failsafe Alarm Relay; Connecting Power - Siemens RUGGEDCOM RX5000 Installation Manual

Chapter 2
Installing the Device
Figure 6: Chassis Ground Connection
1. #8-32 Screw 2. #8 Ring Lug
Section 2.7

Connecting the Failsafe Alarm Relay

The failsafe relay on the Control Module (CM) can be configured to latch based on alarm conditions. The NO
(Normally Open) contact is closed when the unit is powered and there are no active alarms. If the device is not
powered or if an active alarm is configured, the relay opens the NO contact and closes the NC (Normally Closed)
contact.
Figure 7: Failsafe Alarm Relay Wiring
1. Normally Open 2. Common (Ground) 3. Normally Closed
Section 2.8

Connecting Power

The RUGGEDCOM RX5000 supports dual redundant AC and/or DC power modules that can be installed in any
combination.
The RUGGEDCOM RX5000 is equipped with a screw-type terminal block, which provides power to both power
modules. The terminal block is installed using Philips screws and compression plates, allowing either bare wire
12
1 2 3
1
2
Pin
NC
Common
NO
Connecting the Failsafe Alarm Relay
RUGGEDCOM RX5000
Installation Guide
Function
Normally Closed
Ground
Normally Open