A Connection diagrams
A.A 8-way relay module connection diagram
Relay 4
NCO C
RS485
Bus connection
(only plugged in
at the last bus
device)
DC
12 - 24 V
LED1 function display (communication with iDC-2)
Green: Communication OK
Red:
Communication not possible
Orange: Communication OK but data missing
LED2 function display
Blue:
Module is not initialised
Green flashing 100 ms: Module resets
106
Relay 5
Relay 7
Relay 6
Relay 8
NCO C NCO C
NCO C NCO C
LED In
R4
R5
R6
R7
R8
LED2
LED1
R1
R2
R3
B A
NC C NO
NC C NO
NC C
Relay 1
Relay 3
RS485
Relay 2
Fig. 41: 8-way relay module connection diagram
NCO
NO
DC =
NC=
C =
NO =
NCO = Adjustable via jumper:
Normally open
Normally closed
C
NC
C
NO
Direct current (any polarity)
Normally closed
Common (shared contact)
Normally open
Normally closed or normally open