Operation Manual

8. Sensor Installation
Legend to pin assignment
GND: Ground for Modbus
SDI: Digital signal (internal use)
-VB: Negative supply voltage
+VB: Positive supply voltage
+I: Positive 4 ... 20 mA signal
-I: Negative 4 ... 20 mA signal
+P: Pulse output
SW: Isolated pulse output
DIR Flow direction input
D+: Modbus data +
D-: Modbus data -
M: M-Bus data
NA: Not applicable
ATTENTION!
Do not screw the M12 plug using force. Otherwise, it may
damage the connecting pins.
20 S 421