Saia-Burgess Controls AG
Manual
Manual PCD 1 / PCD 2 Series
│ Document 26
/
737 E
N22 │ 2013-11-26
5
Input/output (I/O) modules
5-18
Digital input modules, electrically isolated
LEDs and connection terminals
9
8
7
6
5
4
3
2
1
0
E0
E1
E2
E3
E4
E5
COM COM
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
8
9
7
6
5
E5
4
E4
3
E3
2
E2
1
E1
0
E0
150nF
150nF
150nF
I/O
B
us
P
C
D
B
us
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
COM
COM
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.