Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Saia-Burgess
Controls Ltd.
Operating states
PCD3.Mxxx0 Classic CPUs and expansion housings
3-15
3
3.8.3 Internal power supply
DC
DC
DC
DC
Voltage-
monitor 5V
CLR
0V
V+
(16...24V)
PCD-Bus
LED
24V
2200uF
39V
PTC
S
up
pl
y
24
V
D
C
+5V
Capacity of internal power supply
From the base units, the following currents are available for the plug-in modules:
+5 V:
600 mA
+V (16...24V) :
100 mA
3.9
Operating states
The CPU can assume the following operating states:
Run, Run conditional, Run with error, Run cond. with error, Stop, Stop with error, Halt
and System Diagnostics
The display uses the LEDs shown below:
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