Connecting The Failsafe Alarm Relay - Siemens RUGGEDCOM RS910W Installation Manual

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Chapter 2
Installing the Device
Figure 4: Antenna Installation
3.
Repeat
Step 2
for the second antenna.
4.
Adjust the position of each antenna as needed.
Section 2.6

Connecting the Failsafe Alarm Relay

The failsafe relay 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.
NOTE
Control of the failsafe relay output is configurable through ROS. One common application for this relay
is to signal an alarm if a power failure occurs. For more information, refer to the ROS User Guide for
the RUGGEDCOM RS910W.
To connect the failsafe alarm relay, do the following:
1.
Insert the failsafe alarm relay terminal block into the device and tighten the screws.
2.
Connect a failsafe device to the terminal block.
12
RUGGEDCOM RS910W
Installation Guide
Connecting the Failsafe Alarm Relay

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