CAS EC-II SERIES Anleitung Seite 16

2.2 Signal Output port
There are three section controllers, (C1A、C1B)，(C2A、C2B)，(C3A、C3B),
Each of them has two wire connectors. They work respectively.
The signal output port can be connected to a lamp, beeper, annunciator, etc.
Note : (C1A, C1B)= LO, (C2A, C2B)=OK, (C3A, C3B)=HI
Appendix：
Electric Schematic of Out-put
When it is connected with 3 color Annunciator, please use a cable to parallel
C1A, C2A and C3A.
And use other three cables to connect C1B, C2B, C3B with Annunciator.
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