3. Installation

3.3. Critical Alarm Relay

The Critical Alarm output relay signals critical error conditions that may occur on the RuggedBackbone™ RX5000. The contacts are energized upon power-up of the unit and remain energized unless a critical alarm condition is detected. Relay connections are shown in the Critical Alarm Relay Connection diagram. Control of the relay output may be configured via the ROX™ user interface.

Norm ally

Closed

Com m on

Norm ally

Open

Pin

Function

NC

Normally Closed

 

 

Common

Ground

 

 

NO

Normally Open

 

 

Table 3.2. RX5000 Critical Alarm Relay Connector Pinout

Figure 3.16. Critical Alarm Relay Connection

A common application for this output is to signal an alarm in case of a power failure.

RuggedCom® RuggedBackbone™

25

RX5000 Installation Guide Rev106

Page 25
Image 25
RuggedCom RX5000 manual Critical Alarm Relay Connection