Hardware Manual

Hardware Manual PCD 1 / PCD 2 Series│Document 26 / 737│Edition EN 15│2008-07-22

Saia-Burgess Controls AG

PCD2.A250

Input/output (I/O) modules

5

LEDs and connection terminals

A 0

A 1

A 3

A 4

A 5

A 7

A 6 A 2

13121110 9 8 7 6 5 4 3 2 1 0

C 4 - 7 C 0 - 3 A 7 A 6 A 5 A 4 A 3 A 2 A 1 A 0

Bus connector

Bus interface

Relay

LEDs

Screw terminals

Relay contacts

Supply 24 VDC for Relay coils

Alimentazione carico 24 VCC

Output circuits and terminal designation

(^9876)
PCD BusI/O Bus
5
A 1
3 2
A 0
(^10)
A 2
Relay contacts
Terminals
24 VDC 4 relay contacts haveone common terminal
Address
LED A7
13 12 1110 4
C 4 - 7 C 0 - 3 A 7 A 6 A 5 A 4 A 3
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 Outputs
0 A0
1 A1
2 A2
3 A3
4 A4
5 A5
6 A6
7 A7