Vega VEGABAR 51 Profibus PA Bedienungsanleitung PDF herunterladen (Seite 55)

10 Supplement

VEGABAR 51 • Probus PA

36714-EN-130321

10.2 InformationonProbusPA

Instrumentmasterle

The instrument master le (GSD) contains the characteristic data of the Probus PA instrument.

These data are, e.g. the permissible transmission rates as well as information on diagnostics values

and the format of the measured value outputted by the PA instrument.

A bitmap le is also provided for the Probus network planning tool. This le is installed automati-

cally when the GSD le is integrated. The bitmap le is used for symbolic indication of the PA instru-

ment in the conguration tool.

Ident number

Each Probus instrument gets an unambiguous ident number (ID number) from the Probus user

organisation (PNO). This ID number is also included in the name of the GSD le. For VEGABAR 51

the ID number is 0x076F(hex) and the GSD le BR__076F.GSD. As an option to this manufactur-

er-specic GSD le, PNO provides also a general so-called prole-specic GSD le. For VEGABAR

51 you have to use the general GSD le PA139701.GSD. If the general GSD le is used, the sensor

must be set to the prole-specic ident number via the DTM software. By default, the sensor oper-

ates with the manufacturer-specic ID number.

Note:

When using the prole-specic GSD le, the PA-OUT value as well as the temperature

value are transmitted to the PLC (see block diagram "Cyclical data trac").

Cyclicaldatatrac

The master class 1 (e.g. PLC) cyclically reads out measured values from the sensor during opera-

tion. The below block diagram below shows which data can be accessed by the PLC.

bar

% Lin%

Min-Max

adjustment

Linearization

PROFIBUS PA-output

Primary

Value

Secondary

Value 1

Secondary

Value 2

Target

Mode

Failure

mode

AlarmsScaling

Source for

scaling

Damping

Sensor

characteristics

PA-Out

Select additional cyclic

value

Sensor mounting

correction

Fig. 28: VEGABAR 51: Block diagram with AI (PA-OUT) value and Additional Cyclic Value

1 2 ... 50 51 52 53 54 55 56 57 58 59 60 ... 75 76

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