Saia-Burgess
Controls Ltd.
Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Hardware
PCD3.W6x5
5-70
5
Block diagram
Programming
Classic: For programming the modules, an FBoxe is available.
xx7 and RIO’s: the firmware reads the values according to the configuration (I/O
Builder and Network configurator).
Watchdog: These modules can be used on the base address 240, because it would
not interact with the watchdog.
OP-Amp Output stage
A0
COM
A1
COM
A2
COM
A3
COM
A4
COM
A5
COM
D
AC
Reference-
Voltage 2.5V
μController
PCD - Bus
E/A - Bus
DC / DC
Converter
Galvanic
separated
serial
interface
Galvanic separation
VCC
COM
+5 V GND
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