Electrical Connection - WIKA TR21-A Mode D'emploi

6. Commissioning, operation
WARNING!
Neither repairs nor structural modifications are permitted, and any would void
the guarantee.
EN
6.1.1 Tightening torque for the M12 mating connector or the M12 adapter
Select a tightening torque of 0.6 Nm.
6.1.2 Tightening torque for union nut
Select a tightening torque of 15 Nm.

6.2 Electrical connection

The electrical connection is made via an M12 x 1, 4-pin circular connector.
Output signal Pt100
■
Load diagram
The permissible load depends on the loop supply voltage. For communication with the
instrument with programming unit PU-448, a max. load of 350 Ω is admissible.
1083
833
583
16
0 10
Voltage U in V
B
Output signal 4 ... 20 mA
■
Pin Signal
1 L+
2 VQ
3 L-
4 C
24 30 36
WIKA operating instructions model TR21
Description
10 ... 30 V
not connected
0 V
not connected