Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
5-39
I/O modules PCD1|PCD2
PCD2.A220
5
LEDs and connection terminals
9
8
7
6
5
4
3
2
1
0
A0
A1
A2
0-2
3-5
A3
A4
A5
A0
A2
A1
A3
A5
A4
Bus connector
Bus interface
Relay
LEDs
Screw terminals
Supply 24 VDC for Relay coils
Relay contacts A0 to A5
Output circuits and terminal designation
8
9
A4
6
7
3-5
4
5
A1
2
3
A0
0
1
0-2 A2
A3
A5
I/O
B
us
P
C
D
B
us
Relay contacts
24 VDC
3 relay contacts have
one common terminal
Address
LED A5
Terminals
Relay energized (contact closed):
LED on
Relay reset (contact open):
LED off
24 V
DC
must be connected to the +/- terminals.
Watchdog: This module can be used on all base addresses; there is no interaction
with the watchdog on the CPUs. For details, please refer to the
section A4 “Hard-
ware Watchdog”
, which describes the correct use of the watchdog in conjunction
with PCD components.
LED
Output
0
O0 (A0)
1
O1 (A1)
2
O2 (A2)
3
O3 (A3)
4
O4 (A4)
5
O6 (A5)