K6727 – Velleman projects K6727 Assembly instructions User Manual
Page 12
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![background image](/manuals/259269/12/background.png)
12
DC
supply: AC
supply:
Other connections:
When using the relay output there is a choice between a normally closed contact (NC) or a normally open con-
tact (NO). The common output is at COM.
Connection
20. Connection
VA
GND
VB
NO1
COM1
NO2
NC1
COM2
NC2
CHANNEL 2
RELAY
OUTPUT
OUTPUT
CHANNEL 1
RELAY
K6727
+
12...16VDC
-
NO2
NO1
VA
GND
COM1
VB
NC1
COM2
NC2
CHANNEL 2
RELAY
OUTPUT
OUTPUT
CHANNEL 1
RELAY
TRANSFO
K6727
9VAC
9VAC
N
L
MAINS
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