Figure 12: Power supply terminals
6.4.1 WATCHDOG
The Watchdog contacts are also hosted on the power supply board. The Watchdog facility provides two output
r
elay contacts, one normally open and one normally closed. These are used to indicate the health of the device
and ar
e driven by the main processor board, which continually monitors the hardware and software when the
device is in service.
P14x Chapter 3 - Hardware Design
P14xEd1-TM-EN-1 43
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