Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Digital input modules
Input/output (I/O) modules
6-13
6
For every 2 inputs, a 3-colour LED is fitted:
LED is
I0
I1
I2
I3
I4
I5
I6
I7
I8
I9
I10 I11
I12 I13
I14 I15
off
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Red
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Green
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Yellow
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Input circuits and terminal designation
Depending on external wiring, this module may be used for source or sink operation.
Source operation (positive logic):
10 k
10 k
10 k
10 k
E1 E0
L
L
19 18 17 16
1
0
Ue 24 VDC
LED red
LED green
Screwless terminals
If both inputs 0 and 1 are
switched on, the yellow
(orange) LED lights up
Switch closed (+ at input): signal state "H", LED lights up
Switch open: signal state "L", LED off
Sink operation (negative logic):
E1 E0
L
L
19 18 17 16
1
0
Switch closed (- at input): signal state "L", LED off
Switch open: signal state "H", LED lights up
Screwless terminals
Ue 24 VDC
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
"Watchdog" section
, which describes the correct use of
the watchdog in conjunction with PCD2 components.