Hardware manual PCD1.M2220-C15 │ Document 27-640 – Version ENG03 │ 2020-03-25
Saia-Burgess Controls AG
Special function | Watchdog Relay
Configuration (Device Configurator)
8-8
8
8.6
Special function
8.6.1
Watchdog relay for monitoring or as relay output
A relay is installed in the PCD1.M2220-C15 that operates as a monitoring relay
(watchdog) as standard. Its function is activated by the FBox of the same name
in the user program.
Alternatively, the relay can be used as an output (changeover contact) that is con-
trolled using flags.
For a description of the functions and configuration, see
3.9
Watchdog (relay)...
“3.9.1
... as a watchdog function”
“3.9.2
... as a relay output”
Connection assignment, see
“6.1.4 Digital output”
> “Connection assignment for the watchdog function”
> “Connection assignment for the relay output”
