Wika T32.xS Manuel d'utilisateur télécharger pdf (Page 41)

11258421.10 08/2014 GB/D

WIKA operating instructions model T32.xS 41

10.3 Safety values

10.3.1 Sensor circuit (terminals 1 to 4)

Parameters

Model T32.xS.0IS,

T32.xS.0IS-x

Model T32.xS.0IC,

T32.xS.0IC-x

Level of protection Ex ia IIC/IIB/IIA

Ex ia IIIC

Ex ic IIC/IIB/IIA

Terminals 1-4

Voltage U

DC 6.5 V

Strength of current l

9.3 mA

Power P

15.2 mW

Voltage U

n. a.

Strength of current l

n. a.

Power P

n. a.

Eective internal capacitance

208 nF

Eective internal inductance L

negligible

Max. external

capacitance C

IIC 24 µF

325 µF

IIB IIIC 570 µF

570 µF

IIA 1,000 µF

1,000 µF

Max. external

inductance L

IIC 365 mH 821 mH

IIB IIIC 1,644 mH 3,699 mH

IIA 3,288 mH 7,399 mH

Max. inductance/

resistance ratio

IIC 1.44 mH/Ω 3.23 mH/Ω

IIB IIIC 5.75 µH/Ω 12.9 mH/Ω

IIA 11.5 µH/Ω 25.8 mH/Ω

Characteristics linear

n. a. = not applicable 1) C

already incorporated

Notes:

: max. voltage of any conductor against the other three conductors

: max. current of three conductors parallel to the fourth conductor or any other combination

: max. power of three conductors parallel to the fourth conductor or any other combination

Due to separation requirements of the applied standards, IS supply- and

signal-circuit and the IS sensor circuit shall be considered as beeing

galvanically connected to each other.

10. Notes for mounting, operating in

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1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 91 92

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Wika T32.xS Manuel d'utilisateur Page 41

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