Wika T19 Manual do Utilizador descarregar pdf (Página 10)

2143014.05 06/2014 GB/D

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

(dependent upon the loop power

supply voltage U

) 1000 Ω at 30 V power supply U

700 Ω at 24 V power supply U

≤ (U

- 10 V) / 0.02 A with R

in Ω and U

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

1 2 ... 5 6 7 8 9 10 11 12 13 14 15 ... 23 24

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Wika T19 Manual do Utilizador Página 10