SBC PCD1 Series Manual page 75

Saia-Burgess Controls AG
Watchdog - connection diagram
+24V
Main switch
0V
1) Switching capacity of the watchdog contact: 1 A, 48 V
Manual Manual PCD 1 / PCD 2 Series │ D ocument 26 / 737 EN22 │ 2 013-11-26
Supply
20 21 22 23 24 25 26
WD WD
Bypass
switch for
commissioning
CPUs and expansion housings
Monitoring the CPU (watchdog)
WD 1)
0
Start
Process
AC/DC
1
3-58
3