Vega FiberFlex LFXG-H, Руководство по эксплуатации

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Introduction
24 LFXG-H Installation and Operation Guide
Using a field communicator
VEGA’s gauge is compatible with the Emerson 375 Field Communicator or
equivalent.
To function, the minimum load resistance on the 4 ... 20 mA loop must be
250

. See the instruction manual for your field communicator for
information about:
• Key usage
• Data entry
• Equipment interface
To effectively use the gauge features, you must use VEGA's device description
(DD) to program the HART communicator. You can purchase a field
communicator, programmed with the DD, through VEGA (VEGA part number
244880).
Use firmware 2000.00 or higher when you use the field communicator to
use NORM or vapor compensation.
Using Ohmview 2000 Software on a PC
When you use a PC with Windows and a Pentium processor to
communicate with the gauge or other VEGA HART transmitter field devices,
you must have a HART modem and the Ohmview 2000 software kit (part
number 243008), which includes:
• Modem
• Cables
• Software
Ohmview 2000, RS-485 Network, Ohmview 2000 Logger, and Ohmview
2000 Configurator software are Windows programs that emulate the Field
Communicator Model 375. Ohmview 2000:
• Charts the 4 ... 20 mA current output graphically
Note: There are some minor differences in operation of the Ohmview
2000 software and the field communicator. Most significantly,
Ohmview 2000 software writes entries immediately to the
transmitter, but a field communicator must be manually told to
sends changes.