User Manual

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URM04V2.0 Ultrasonic Ragner Sensor
Dimension and Pin definition
Figure 2: URM4 V2 front view and dimension
Figure 3: URM4 V2 Back view
RS485 Interface：Two connectors,
+ ： +5V DC Power +5V
- ： GND Ground
A ： A RS485 A(+)
B ： B RS485 B(-)
ISP Pin：For factory firmware uploading
37mm
7mm
51mm
34mm
35mm
10mm
4mm
φ16x2
φ3.2x2
14mm
37mm
LED
RS485 interfacex 2
ISP Pin
Jumper A
Jumper B