5-Wire Pin Assignment (Accessory); Operation; Thermal Mass Flow Sensor - TESTO 6457 Instruction Manual

5.8.2

5-wire pin assignment (accessory)

If the optional connecting cable for electrical isolation is used (
4.2.2), then the following assignments apply.
Pin no. Wire colour
The potential-free pulse output OUT1 is specified for this connecting
cable as follows:
Line type
Length
Switching capacity
Max. switching voltage
Min. switching voltage
Switch contact resistance
Insulation voltage
Protected against polarity
reversal
6

OPERATION

Thermal mass flow sensor

Familiarize yourself with the operation and programming of the sensor. The
sensor is calibrated ex factory and provided with default settings for each
nominal width.
32
1 Brown
2 Pink
3 White
4 Green
5 Black
Assignment
+ L (19 to 30 V DC) sensor supply
+ potential-free pulse output (collector) OUT1
- potential-free pulse output (emitter) OUT1
OUT2
0 V DC (GND)
LiYCY
5 m
500 mA
36 V
5 V
0.21 Ω
5.3 kV
Yes
see