
10
2143014.05 06/2014 GB/D
GB
WIKA operating instructions temperature transmitter, model T19
5.1 Sensor input Pt100/Pt1000
Head mounting version: Rail mounting version:
5.2 Connect 4 ... 20 mA-loop
The electrical connection of model T19.10 (head mounting version) is
made through the ⊕ and ⊖ terminals, while model T19.30 (rail mounting
version) is connected through the terminals 4 and 5 (please refer to
page 10).
■
Maximum permissible terminal voltage: 30 V
■
Maximum permissible load R
A
(dependent upon the loop power
supply voltage U
B
) 1000 Ω at 30 V power supply U
B
700 Ω at 24 V power supply U
B
R
A
≤ (U
B
- 10 V) / 0.02 A with R
A
in Ω and U
B
in V
6. Maintenance
The temperature transmitters described here are maintenance-free!
The electronics incorporate no components which could be repaired or
replaced. Depending upon operating conditions, it may be advisable to
check the adjustment yearly. Adjustment as per section 7.
InputInput
4 ... 20 mA-loop
5. Electrical connections / 6. Maintenance
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