Hardware Manual

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

Saia-Burgess Controls AG

PCD2.E160/161

Input/output (I/O) modules

5

Input circuits and terminal designation

Depending on external wiring, this module may be used for source or sink operation.

Source operation (positive logic):

17,1,19,3,5,21,^723 25,9,11,27,13,29,^1531

L E1E0

30 32

10 k 10 k

10 k 10 k

Ue 24 VDC

Ribbon cable connector

Switch closed: (+ at input): signal state "H", LED lights up

Schalter open: signal state "L", LED off

LED red

LED green

If both inputs 0 and 1 are

switched on, the yellow (orange)

LED lights up

Sink operation (negative logic):

17, 19, 21, 23^1 , 3, 5, 7 25, 27, 29, 319, 11, 13, 15

L E1 E0

30 32

Ue 24 VDC

Ribbon cable connector

Switch closed: (- at input): signal state "L", LED off

Switch open: signal state "H", LED lights up

Watchdog: This module can interact with the watchdog; if it is used on base address

240 (or 496 for the PCD2.M17x), the last input with address 255 (or 511 for the

PCD2.M17x) cannot be used.

For details, please refer to the “Watchdog” section, which describes the correct use of

the watchdog in conjunction with PCD2 components.