Hardware Manual

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

Saia-Burgess Controls AG

PCD2.E500

Input/output (I/O) modules

5

LEDs and connection terminals and connection terminals

9 8 7 6 5 4 3 2 1 0

COM COM E 5 E 4 E 3 E 2 E 1 E 0

Bus connector

Bus interface,

Optocoupler,

threshold switch

Input bleeder chain^

LEDs^

Screw terminals^

Inputs E0 to E5 0 - 5

Common connection

for the 6 inputs

Input circuits and terminal designation

9 8 7 6 5

E 5

4

E 4

3

E 3

2

E 2

1

E 1

0

E 0

150 nF

150 nF

150 nF

I/O

Bu

s

PC

D^

Bu

s

leer

Switch closed: Signal status 'H' = LED on

Switch open : Signal status 'L' = LED off

Phase 115 - 230V 50/60 Hz *)

Zero conductor *)

*) or interchangeable, if the rules permit this

COMCOM

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.PCD2 components. components.