Saia-Burgess Controls AG
Hardware manual for PCD3 series │ Document 26-789 ENG19│ 2018-06-29
Module carrier
PCD3.Mxxx0 Classic CPU and expansion enclosure
3-16
3
3.6.1
The module carriers (LIO)
The PCD3.LIO (Local Input/Output = LIO) is used to acquire central I/O signals.
The compact PCD3.LIO snap onto a 35 mm DIN rail and can be equipped with
PCD3 I/O modules. PCD3.LIOs can be connected as an I/O extension to a
PCD2 CPU, PCD3 CPU or PCD3.RIO.
Three different module carriers are available for receiving I/O modules:
Module carrier /
LIO
PCD3.C100
PCD3.C110
PCD3.C200
Number of module
slots
4
2
4
Description
4 I/O modules
2 I/O modules
4 I/O modules,
serves as I/O bus repeater and internally
pr 5 V and V + for one segment
of I/O modules (for calculation of possible
load see 3.18.3)
Ext. Supply
-
-
24 VDC
Int. Supply
I to +5 V
10 mA
10 mA
-
PCD3.C100 for 4 modules
●
For 4 pluggable PCD3 I/O modules
(freely selectable)
●
Can be connected to PCD2.Mxxx,
PCD3.Mxxx0, PCD3.RIO and
PCD3.LIO
●
Expandable with further PCD3.LIO
(PCD3.C100 /... C110 /... C200)
Connections PCD3.C100 for 4 modules
100
Saia PCD3.C
Bus connection to
module carrier
Earth
LED
power ok
Bus connection from CPU
or module carrier