Hardware Manual

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

Saia-Burgess Controls AG

PCD2.A220

Input/output (I/O) modules

5

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

A 5 A 4 A 33 - 50 - 2 A 2 A 1 A 0

A 0

A 2

A 1

A 3

A 5

A 4

Output circuits and terminal designation

9 8

A4

7 6

PCD BusI/O Bus

3-5

5 4

A1

3 2

A0

1 0

A5 A3 0-2 A2

Relay contacts

Terminals

24 VDC 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