D: s, Mcu di/do, Ppendix – NEXCOM NViS 3620 User Manual
Page 78: Ignal, Onnection, Vent, Utton, Mcu-dio pinout description digital input
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64
Appendix D: Signal Connection of MCU DI/DO
NViS3620/3720 series User Manual
a
PPendIx
d: s
Ignal
C
onneCtIon
of
mCu dI/do
and
e
vent
B
utton
MCU-DIO Pinout Description
Digital Input
The figure below shows how to connect an external output source to one
of the input channel.
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
1
5
6
9
External
Switch
Port
DI
Register
ON (Short)
GND
0
OFF (Open)
HIGH
1
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
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