Hardware Manual for the PCD3 Series│Document 26/789; Version E 5│31.01.2005
Saia-Burgess
Controls Ltd.
Expansion housings
PCD3.Mxxx0 Classic CPUs and expansion housings
3-32
3
3.19
Expansion housings
3.19.1 Internal supply to PCD3.C200/T76x expansion housings
The PCD3.C200/T760 module holders provide the following internal supply currents
to the modules:
Type
+5V
V+
PCD3.C200
1000mA
100mA
PCD3.T76x
650mA
100mA
3.19.2 LIO module holders
PCD3.LIOs (local I/Os) are used to capture central I/O signals. The compact PCD3.
LIOs are snaped onto a 35-mm DIN rail and fitted with PCD3 I/O modules. PCD3.
LIOs can be connected as I/O expansion to a PCD2 CPU, PCD3 CPU or a PCD3.
RIO. Three different module holders are provided to take I/O modules:
LIO module
holder
Module Description
Ext.
supply
Int.
supply
I at +5 V
PCD3.C100
4
for 4 I/O modules
10 mA
PCD3.C110
2
for 2 I/O modules
10 mA
PCD3.C200
4
for 4 I/O modules; acts as I/O bus
repeater and provides in5V (1000
mA) and V+ (100 mA) for a segment of
I/O modules
24 VDC
PCD3.C100
●
4 plug-in PCD3 I/O modules (selectable)
●
May be connected to PCD2.Mxxx, PCD3.Mxxx0, PCD3.RIO and PCD3.LIO
●
May be expanded with PCD3.LIO (C100, C110, C200)
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
