NEXCOM NViS 2310 - Manual (Page 71)

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Appendix D: Signal Connection of MCU DI/DO
NViS2310 User Manual
a
PPendIx
d: s
Ignal
C
onneCtIon of
mCu dI/do
and
e
vent
B
ut
-
ton
MCU-DIO Pinout Description Digital Input
The figure below shows how to connect an external output source to one
of the input channel.
1 5
6 9
Pin Definition Pin Definition
1 NC 2 NC
3 MCU-DI1 4 MCU-DI2
5 GND 6 NC
7 NC 8 MCU-DO1
9 MCU-DO2
MCU-DI1
MCU-DI2
MCU-DO1
MCU-DO2
DB9-FEMALE-90-5.08mm
5
9
4
8
3
7
2
6
1
Internal External
External Power
External Resistor
External
Switch
Port
DI
Register
ON (Short) GND 0
OFF (Open) HIGH 1