Umwelt-Geräte-Technik GmbH
| Eberswalder Str. 58 | D-15374 Müncheberg | phone: +49 (0) 33 43 2 - 89 575 |
4.3.
Interface and power supply
The Pin assignment can be found int the calibration certificate.
•
Full Range Tensiometers are connected via a ventilated 4-pol connector
•
The power supply of the connected sensor is carried out via two pins
•
The supply voltage must be in the range of 5 to 20 V DC
•
The remaining two pins are the differential lines of the RS485 interface
Pin
Pin color
Output Signal
Type
1
brown
5-12 V DC
VCC
2
white
A+
RS485
3
green
B-
RS485
4
yellow
0V
GND