Hardware manual PCD1.M2220-C15 │ Document 27-640 – Version ENG03 │ 2020-03-25
Saia-Burgess Controls AG
Watchdog (relay)
CPU/processor unit
3-15
3
3.9.2
.. as a relay output
The watchdog relay can also be used as a normal relay output (freely switchable)
as an alternative to the watchdog function.
The switched relay, i.e. contact
in operating position (NO-CO), is
displayed by the watchdog LED
lit up in green.
WD
The connections of the watchdog
relay switchover contact are on
plug X18 (NO, CO and NC).
Connection assignment
See “6.1.4 Digital output” > “Connection assignment for relay output”
Device configuration
The function of the relay must
be selected in the PG5 “Device
Configurator”.
On-board inputs and outputs
Properties overview