Saia-Burgess Controls AG
Manual Manual PCD 1 / PCD 2 Series │ Document 26 / 737 EN22 │ 2013-11-26
5
Input/output (I/O) modules
5-37
Digital output modules, electrically isolated
LEDs and connection terminals
Bus connector
Bus interface
Relay
LEDs
Screw terminals
Supply 24 VDC for Relay coils
Relay contacts A0 to A5
9 8 7 6 5 4 3 2 1 0
A0A1A20-23-5A3A4A5
A0
A2
A1
A3
A5
A4
Output circuits and terminal designation
PCD Bus
3 relay contacts have
one common terminal
Address
LED A5
Relay energized (contact closed): LED on
Relay reset (contact open): LED off
24 VDC 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 A0
1 A1
2 A2
3 A3
4 A4
5 A5