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
5-41
Digital output modules, electrically isolated
LEDs and connection terminals
Bus connector
Bus interface
Optocoupler
Output transistors (MOSFET)
Protective diodes
LEDs
Screw terminals
Outputs
Load supply 24 VDC
9
8
7
6
5
4
3
2
1
0
A0
A1
A2
A3
A4
A5
A5
A3
A1
A4
A2
A0
A6
A7
A6
A7
Output circuits and terminal designation
Bus
PCD Bus
24 VDC
Fuse
18V
39V
LED adresse
A7
Output
transistors
(MOSFET)
Protective
diodes
Terminals
Loads
A0
0
8
9
7
A7
Output conducting (set):
LED on
Output disconnected (reset):
LED off
Fuse:
It is recommended that each module should be separately protected
with a fast-blow (S) 4 A fuse
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.