SBC PCD2 Series

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Saia-Burgess Controls AG

Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01

5-27

I/O modules PCD1|PCD2

PCD2.A400

LEDs and connection terminals

9 8 7 6 5 4 3 2 1 0

A0A1A2A3A4A5A6A7

A0 A2 A4 A6

A7A5A3A1

Bus connector

Bus interface

Output transistors (MOSFET)

Protective diodes

LEDs

Screw terminals

Outputs

Load supply 24 VDC

Output circuits and terminal designation

089 7

I/O Bus

PCD Bus

24 VDC

Fuse

Output

transistors

Protective

diodes

Terminals

Loads

LED

address A7

Output conducting (set): LED on

Outputdisconnected(reset): LEDo󰀨

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

with a fast-blow (S) 4 A fuse

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.

SBC PCD2 Series - Page 36