Hardware Manual

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

Saia-Burgess Controls AG

PCD2.A300

Input/output (I/O) modules

5

Output circuits and terminal designation

A0

9 8 7 0

PCD BusI/O Bus

24 VDC

Fuse

6 5

A5

Output

transistors

(MOSFET)

Protective

diodes

Terminals

Loads

LED

address A5

Output conducting (set): LED on

Output disconnected (reset): LED off

Fuse: It is recommended that each module should be separately protected with a

fast-blow (S) fuse of max. 12.5 A.

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.