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2 principle of operation, 3 operation – VEGA VEGAFLEX 65 Foundation Fieldbus User Manual

Page 8

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Article numbers, documentation

With the serial number, you can access the delivery data of the
instrument via www.vega.com, "VEGA Tools" and "serial number
search
". In addition to the type label outside, you can also find the
serial number on the inside of the instrument.

3

.2 Principle of operation

VEGAFLEX

65 is a level sensor with pipe probe for continuous level

measurement.

It is designed for industrial use in all areas of process technology and
can be used in liquids.

High frequency microwave pulses are guided along a steel rope or a
rod. Upon reaching the product surface, the microwave pulses are
reflected. The running time is evaluated by the instrument and
outputted as distance.

Power is supplied via the H1 Fieldbus. A two-wire cable according to
Fieldbus specification serves as carrier of both power and digital data
for multiple sensors. This cable can be operated in two versions:

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via an H1 interface card in the control system and additional power
supply

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via a Linking device with HSE (High speed Ethernet) and
additional power supply according to IEC 61158-2

The DD (Device Descriptions) and CFF (capability files) necessary for
planning and configuration of your FF (Foundation Fieldbus) commu-
nication network are available in the download area of the VEGA
homepage www.vega.com under "S

ervices - Downloads - Software -

Foundation Fieldbus". The appropriate certificates are also available
there. A CD with the appropriate files and certificates can be ordered
via e-mail under [email protected] or by phone from one of the VEGA
agencies under the order number "DRIVER.S".

The optional heating requires its own operating voltage. You can find
details in the supplementary instructions manual "Heating for indicat-
ing and adjustment module
".

3

.3 Operation

The instrument can be adjusted with the following adjustment media:

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With indicating and adjustment module

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with the suitable VEGA DTM in conjunction with an adjustment
software according to the FDT/DTM standard, e.g. PACTware and
PC

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a configuration tool

Application range

Functional principle

Power supply and bus
communication

DD/CFF

8

VEGAFLEX

65 • Foundation Fieldbus

3 Product description

31848

-EN

-120329