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Classification
Port
Description
Recommended
wiring
Digital Input
DIx
Digital input
RVV 2*0.5
GND
Dry contact input common
RVV 2*0.5
Analog Input
+、-
Positive analog input, Negative analog input
RVV 2*0.5
Digital Output
NO
Digital output normally open
RVV 2*1.0
COM
Digital output common
RVV 2*1.0
NC
Digital output normally close
RVV 2*1.0
Upstream Serial
Port
+、-
RS485+, RS485- (upstream)
RVSP 2*0.5
Power Input
V+、
V-
Power supply input positive, power supply input
negative
RVV 2*1.0
C2000-A2-SMD4440-AE1 User Manual
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