17
Table 2.7 RS485 communication interface
Interf
ace
type
Term
inal
type
Pin
Definition
Details
Note
RS485 7PINS
2
GND
Common port
feed≤100mA
1
Vo
feed
3
RS485(A)
RS485(A)
Support max. 3-way
sensor
parameter
analysis
and
also
suitable for device
configuration, support
MPM47xx
protocol/ModBus RTU
protocol
of
Micro
Sensor
4
RS485(B)
RS485(B)
5
Status
3.3V~12V
input, used for
configuration
detection
RS485
Electrical
connection
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