9.
Application Examples
9.1. Monitoring Signal Drop
and/or Power Loss
In this application, the PLS-345 will monitor the DTR signal
from a data device. If the signal drops or the data device loses
power for more than one minute, the unit will automatically
switch circuits 2 and 3 to the "B" line.
1.
Connect Line from Data Device:
Connect a line from the
Data Device to the Monitor Input Connector as shown in
Figure 9.1.
2.
Set Monitor Selector Switch:
Locate the Monitor
Selector Switch on the PLS back panel. Slide the switch to
the "RS232" position.
9-1
Figure 9.1: Monitoring Signal Drop
Summary of Contents for PLS-345
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