SBC PCD1 Series Manual page 225

Saia-Burgess Controls AG
Block diagram
A0
COM
A1
COM
A2
COM
A3
COM
A4
COM
A5
COM
+Uin
-Uin
Programming
Classic: For programming the modules, an FBox is available.
xx7 and RIOs: the firmware reads in the values according to the configuration (I/O
Builder or network configurator)
Watchdog: This module can be used on all base addresses; there is no interaction
with the watchdog on the CPUs. For details, please refer to the
section, which describes the correct use of the watchdog in conjunction with PCD2
components.
Manual Manual PCD 1 / PCD 2 Series │ D ocument 26 / 737 EN22 │ 2 013-11-26
Filter
Reference
Voltage 2.5 V
Analogue output modules with electrically isolation
Galvanically
separated
interface
VCC
DC / DC
converter
COM
+5 V GND
PCD Bus
"Watchdog"
Input/output (I/O) modules
μController
I/O Bus
5
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