Wika T32.xS Manuale Utente Scaricare il pdf (Pagina 35)

11258421.10 08/2014 GB/D

WIKA operating instructions model T32.xS 35

9.4.1 Typical connection for hazardous areas (head mounting)

9. Electrical connections

HART

communicator

Transmitter

Hazardous area

Transmitter

Power supply

24 V

Safe area

11242175.02

9.4.2 Typical connection for non-hazardous areas

HART

communicator

FSK modem

Transmitter

Non-hazardous areas

Transmitter

Power supply

24 V

11242299.02

RS 232-C

Bluetooth

Ex ia

USB

USB HART

modem

Terminal 1-4:

sensor, see

designation

of terminal

connections

If RL is < 250 Ω in the respective

electrical circuit, RL must be increased

to at least 250 Ω by connecting external

resistances.

RL = Resistance for the HART

communication

RL min. 250 Ω, max. 1100 Ω

Terminal 1-4:

sensor, see

designation

of terminal

connections

If RL is < 250 Ω in the respective electrical

circuit, RL must be increased to at least

250 Ω by connecting external resistances.

RL = Resistance for the HART

communication

RL min. 250 Ω, max. 1100 Ω

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