Faults - WIKA LF-1 Mode D'emploi

5. Commissioning, operation / 6. Faults
Connecting submersible pressure sensor to PC (HART
Any work should only be carried out in a non-hazardous area.
1. Connect HART
sensor.
EN
2. Connect HART
With repeater power supplies with integrated HART
resistances (internal resistance approx. 250 Ω), no additional
external resistance is necessary.
5.6 External display and control units
The DIH50 and DIH52 display and control units are suitable for measured value display and control of instruments with
HART protocol. The respective control unit is looped into the 4 ... 20 mA + HART
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HART protocol, the control units are suitable for measured value display.
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For further information see the operating instructions of the respective display and control unit.

6. Faults

CAUTION!
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the submersible pressure sensor must
be taken out of operation immediately.
▶
▶
▶
14
modem to submersible pressure
®
modem to PC or notebook.
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Ensure that pressure or signal is no longer present and protect against accidental commissioning.
Contact the manufacturer.
If a return is needed, please follow the instructions given in chapter 8.2 "Return".
)
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®
HART
HART-Modem ®
WIKA operating instructions submersible pressure sensor, model LF-1
HART resistance 250 Ω
HART-Widerstand 250 ohm ®
RS-232
RS-232
modem
signal line. For sensors without
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=
~
Spannungsquelle Voltage source