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Chapter2 Connection
Manual of NVUM_SP
- 11 -
Figure2-6.
Pins Number of MPG
Pin No. MARK
Definition
Notes
1
TXD
MPG serial communication
Output Port
For the digital display MGP communication
2
RXD
MPG serial
communicationinput Port
For the digital display MPG communication
3
GND
MPG Ground
MPG power supply GND.
4
VDD5
MPG power supply 5V
output
MPG power supply 5V output
5
WHA+
MPG A Phases Positive
MPG A Phase differential Input Positive
6
WHB+
MPG B Phases Positive
MPG B Phase differential Input Positive
7
WHA-
MPG A Phases Negative
MPG A Phase differential Input Negative
8
WHB-
MPG B Phases Negative
MPG B Phase differential Input Negative