deadband absolute co to jest
ABAP definicja absolute deadband. Co znaczy OPC server calculates for OPC Data Access subscriptions.
Znaczenie deadband absolute definicja.

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Definicja absolute deadband

Co znaczy ABSOLUTE DEADBAND:

An absolute value that the OPC server calculates for OPC Data Access subscriptions.

It specifies the absolute range within which the value of an OPC item must change at least to be reported to the SAP system.

Calculation formula:

Absolute deadband = (upper limit - lower limit) * percentage deadband

Example

A temperature sensor has a range from -100°C to +900°C within which the OPC value can still be shown exactly. A percentage deadband of 0.1% has been set up in the SAP system.

Lower limit = -100 Upper limit = +900 Percentage deadband = 0.1

The absolute deadband is calculated as follows:

(900 - (-100)) * 0.1% = 1

This means that the temperature must change at least by ą1°C in order that the value is reported to the SAP system.

SAP przykład użycia ABSOLUTE-DEADBAND pomoc. Jak działa absolute-deadband kod programu ABAP. Wykorzystanie kodu Absolute-Deadband w programie funtion module SE37. Obsługa funkcji absolute-deadband w klasie.

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