Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
5-27
I/O modules PCD1|PCD2
PCD2.A400
5
LEDs and connection terminals
9
8
7
6
5
4
3
2
1
0
A0
A1
A2
A3
A4
A5
A6
A7
A0
A2
A4
A6
A7
A5
A3
A1
Bus connector
Bus interface
Output transistors (MOSFET)
Protective diodes
LEDs
Screw terminals
Outputs
Load supply 24 VDC
Output circuits and terminal designation
A0
0
8
9
7
A7
I/O Bus
PCD Bus
24 VDC
Fuse
Output
transistors
Protective
diodes
Terminals
Loads
LED
address A7
Output conducting (set):
LED on
Output disconnected (reset):
LED off
Fuse:
It is recommended that each module should be separately protected
with a fast-blow (S) 4 A fuse
Watchdog: This module can be used on all base addresses; there is no interac
-
tion with the watchdog on the CPUs. For details, please refer to the
section A4
“Hardware Watchdog”
, which describes the correct use of the watchdog in con-
junction with PCD components.