SBC PCD2.M5 Series - Page 154

Hardware Manual for the PCD2.M5 Series│Document 26/856; Version EN 12│2014-07-24
Saia-Burgess Controls AG
Digital combined input/output modules
Input/output (I/O) modules
6-43
6
Input/output circuits and terminal designation
E/A5
E/A4
E/A3
E/A2
E1
E0
A6
A7
E1
E4
A4
A7
A6
E3
A3
A5
E0
E5
E3
A2
E2
I/O Bus
PCD Bus
24 VDC
Fuse
The example shows E/A2 and E/A3 used as inputs and
E/A4 and E/A5 used as outputs
The following applies for the inputs:
Switchclosed(inputpositive): Signalstate=“1”=LEDon
Switchopen:   Signalstate=“0”=LEDoff
Fuse: It is recommended that each module should be separately protected with a
fast-blow 3.15 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.