Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Digital output modules
Input/output (I/O) modules
6-33
6
LEDs and connection terminals
9 8 7 6 5 4 3 2 1 0
A0
A1
A2
A3
A0
A1
A2
A3
Bus
Bus interface
Relay
Contact protection
LED
Screw terminals
Relay contacts A0 to A3
Supply 24 V
DC
for Relay coils
Output circuits and terminal designation
A0
0
1
8
9
A3
6
7
I/O Bus
PCD Bus
Contact
protection
Relay
contacts
Terminals
24 VDC Isolated contacts
Adress-
LED A3
Relay energized (contact open):
LED on
Relay reset (contact closed):
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
"Watchdog" section
, which describes
the correct use of the watchdog in conjunction with PCD2 components.
LED
Output
0
O0
1
O1
2
O2
3
O3