Maintenance - WIKA T19 Betriebsanleitung

5. Electrical connections / 6. Maintenance
5.1 Sensor input Pt100/Pt1000
Head mounting version:
GB
Input
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
■
supply voltage U
R ≤ (U
A

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.
10
4 ... 20 mA-loop
)
B
- 10 V) / 0.02 A with R
B
WIKA operating instructions temperature transmitter, model T19
Rail mounting version:
Input
(dependent upon the loop power
A
1000 Ω at 30 V power supply U
700 Ω at 24 V power supply U
in Ω and U
A
B
B
in V
B