Saia-Burgess Controls AG
Manual I/O-modules for PCD1 │ PCD2 series │ Document 27-600 – Release ENG09 │ 2019-05-01
6-17
I/O modules PCD3
PCD3.E16x
6
Input circuits and terminal designation
Depending on external wiring, this module may be used for source or sink opera-
tion.
Source operation (positive logic):
E1 E0
10k 10k
10k 10k
L
01
17 19
21 23
16
LED
LED
Ue 24 V
DC
Switch closed (+ at input): signal state "H", LED lights up
Switch open: signal state "L", LED off
Screwless terminals
Sink operation (negative logic):
E1 E0
01
L
16
18 20 22
17
21
19
23
Switch closed (- at input): signal state "L", LED off
Switch open: signal state "H", LED lights up
internal connected,
may be used as "distributor",
together max. 500 mA !
Watchdog: This module can interact with the watchdog, if it is used on base address 240.
In this case, the last input with address 255 cannot be used.
For details, please refer to the section “A4Hardware Watchdog”, which describes the correct
use of the watchdog in conjunction with PCD components.
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