RuggedCom RUGGEDBACKBONE RX5000 ユーザーズマニュアル

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3. Installation
RuggedCom® RuggedBackbone™
25
RX5000 Installation Guide Rev106
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 
 diagram. Control of the relay output may be configured via the ROX™ user
interface.
Norm ally
Open
Norm ally
Closed
Com m on
Figure 3.16. Critical Alarm Relay Connection
Pin
Function
NC
Normally Closed
Common
Ground
NO
Normally Open
Table 3.2. RX5000 Critical Alarm Relay Connector
Pinout
A common application for this output is to signal an alarm in case of a power failure.