SBC PCD2.M5 Series - Page 122

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
6-11
6
Input circuits and terminal designation
Depending on external wiring, this module may be used for source or sink operation.
Source operation (positive logic):
1, 3, 5, 7
17, 19, 21, 23
9, 11, 13, 15
25, 27, 29, 31
L E1 E0
30 32
10k 10k
10k 10k
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):
1, 3, 5, 7
17, 19, 21, 23
9, 11, 13, 15
25, 27, 29, 31
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. 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.