4-Wire Pin Assignment; X Pulse Output, 1 X Analog Output (Condition On Delivery) - TESTO 6457 Instruction Manual

5.8.1

4-wire pin assignment

If you are using the standard connection, the following pin assignment
applies to the connection cable or the pin assignment directly on the
sensor.
Pin no.
1
2
3
4
5.8.1.1 1 x pulse output, 1 x analog output
(condition on delivery)
The OUT1 output is used as a PNP signal output (pulse) and the OUT2
output as an analog output. This is the configuration in which the sensors
are delivered.
Wire colour
Brown
Green
Yellow
White
Assignment
+L (18-30 V DC)
OUT2
0 V DC (GND)
OUT1
31