WIKA LF-1 Operating Instructions Manual page 14

5. Commissioning, operation
5.5 Configuring via HART
The HART modem with RS232, USB or Bluetooth interface (→ see Accessories) enables the connection of commu-
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nicating instruments to the respective interface of a PC. To parameterise these instruments, operating software with
COMM DTM HART and Device DTM Generic HART (e.g. PACTware
EN
The PACTware
www.wika.com.
Connecting submersible pressure sensor to PC (HART
Any work should only be carried out in a non-hazardous area.
1. Connect HART
sensor.
2. Connect HART
With repeater power supplies with integrated HART resist-
ances (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.
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interface
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operating software and the required DTMs are available for download at
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modem to submersible pressure
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modem to PC or notebook.
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) is needed.
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)
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HART modem
HART-Modem
WIKA operating instructions submersible pressure sensor, model LF-1
=
HART resistance 250 Ω HART-Widerstand 250 ohm
Spannungsquelle Voltage source
RS-232
RS-232
signal line. For sensors without
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