Saia-Burgess Controls AG
User Manual PCD2.M4x60 │
Document 27-648
│ Edition ENG06 │ 2020-10-21
On-board
System overview
4-3
4
4.3.1
Expansion module holder
The PCD2.C1000 or PCD2.C2000 expansion module holder, also known as LIO
module rack, provides space for 4 or 8 additional I/O modules each.
The PCD2 expansion module holder are also snapped onto two 35 mm DIN rails
mounted in parallel.
LIO module
rack
Module
places
Description
External
power
supply
Internal
Power supply
I at +5 V
PCD2.C1000
PCD2.C2000
4
8
for 4 (or 8) I/O modules, serves as I/O
bus repeater and provides inte5V
and V+ for a segment of I/O modules.
24 VDC
1400 mA
I/O bus connectors PCD2.K010 or I/O bus cables PCD2K106 can be used to con
-
nect the expansion boxes.
PCD2.M4560
PCD2.C1000
PCD3.K106
PCD2.K010
PCD2.C2000
PCD2.C2000
PCD3.K106
PCD2.C1000
PCD2.K010
PCD3.K106
PCD3.C200
The dimensions of the module holders are compatible with those of the base unit
PCD2.M5xxx or in width, half of it.
The local slots on the base unit (CPU) are numbered starting at the upper left slot
0 clockwise to slot 3. The expansion module holders are also numbered clockwise
from slot 4 upwards, etc. The I/O addresses are also numbered in the same way.
PCD2.C1000 and PCD2.C2000 serve as bus repeaters and p5V and V+
internally for a segment of I/O modules.
The order of the expansion module holders is freely selectable.