SBC PCD2 Series - Page 50

Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
5-41
I/O modules PCD1|PCD2
PCD2.A250
5
LEDs and connection terminals
A0
A1
A3
A4
A5
A7
A2
A6
012345678910111213
A7
A6
A5 A4 A3 A2 A1 A0C4 - 7 C0 - 3
Bus connector
Bus interface
Relay
LEDs
Screw terminals
Relay contacts
Supply 24 VDC for Relay coils
Output circuits and terminal designation
8
9
6
7
I/O Bus
PCD Bus
5
A1
2
3
A0
0
1
A2
Relay contacts
Terminals
24 VDC
4 relay contacts have
one common terminal
Address
LED A7
10
11
12
13
4
A3
A4
A5
A6
A7
C4 - 7
C0 - 3
Relay energized (contact closed): LED on
Relayreset(contactopen):  LEDo󰀨
24 VDC must be connected to the +/- terminals.
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.
LED Outputs
0 A0
1 A1
2 A2
3 A3
4 A4
5 A5
6 A6
7 A7