User manual

Hardware description |
Seite 7
2. Hardware description
The electronic, which is taken in an USB stick case, cares for the monitoring
with watchdog functions. The used micro controller is scanned in periodic
intervals by the PC via the USB bus.
If a timeout occurs, the watchdog will switch independently both relays with a
procedure, which is specified by the user.
In case of a timeout, the relays, if correspondingly wired, are able to e.g. reset
the PC, an external SMS modem can send warnings or a connected horn can
alarm.
The provided test program and a configuration tool facilitate a simple start.