5. Commissioning, operation
5.1.1 Tightening torque for the M12 mating connector or the M12 adapter
Select a tightening torque of 0.6 Nm.
5.1.2 Tightening torque for union nut
Select a tightening torque of 15 Nm.
5.2 Electrical connection
Depending on the type of application, the electrical connection must be protected from
mechanical damage.
The electrical connection is made via an M12 x 1 circular connector (4-pin).
Output signal Pt100 and Pt1000 (standard)
■
Output signal 4 ... 20 mA (standard)
■
Alternative pin assignments possible. For further information see order documentation.
WIKA operating instructions model TR21
Pin
Signal
Description
1
L+
10 ... 30 V
2
VQ
not connected
3
L-
0V
4
C
not connected
EN
13