Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Installation and addressing of PCD2 I/O modules
PCD2.M5_ Classic CPUs and expansion housings
3-23
3
3.6
Installation and addressing of PCD2 I/O modules
3.6.1 Insertion of I/O modules
The I/O module is inserted from the side, pushed towards the middle of the unit until it
reaches the end stop, and snapped into the retaining catch.
Retaining clip
Bus connector
No changes (e.g. plugging/unplugging jumpers or I/O modules) should be made with
the power switched on.
3.6.2 Address and terminal designation
8 7 6 5
3 2 1 0
4
cover of PCD2.M5_
Label field for
I/O modules
LEDs
I/O module
Pin designation
Function label and
relative I/O addresses
All PCD2 systems are provided with a set of matching A4 templates
Removing the cover gives access to terminals, but also exposes components that are
sensitive to electrostatic discharges.