Black Box IC109A-R2 Instrukcja Instalacji Pobierz pdf (Strona 104)

Use

SFT2841 Setting and Operating

Software

Logic-Equation Editing

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Presentation

Logic-equation editing consists of:

b entry and checks on logic equations

b setting the delays used in the logic equations

b loading the logic equations in Sepam™

The logic-equation editor of the SFT2841 software is accessed via the icon. It is

authorized only when the Logipam program linked to the Sepam™ configuration is

not installed.

The logic-equation editor includes:

b a zone to enter and display the logic equations (1)

b an editing assistance tool (2)

b a tool for setting time delays (3)

Logic-equation editor screen

Entering Logic Equations

The Sepam™ Series 80 Functions Manual contains the syntax required for logic

equations in the "Control and Monitoring Functions" section of the Series 80

Reference Manual, 63230-216-230.

Logic equations are entered in text either directly in the equation entry zone, or by

using the editing assistance tool.

The editing assistance tool offers guided access to variables, operators, and

functions. In the tab sheets and tree structures, the user can select program

elements and click the "Add" button. The selected element is placed in the entry

zone.

Checking Logic Equations

You can validate logic equation syntax by clicking:

b the "Equation check" button during entry of logic equations

b the "Apply" button during final confirmation of the logic equations entered

An error message is displayed if the check detects an error. The message indicates

the type of error and the line containing the error.

Nota : The "Equation check" button only verifies the logic is correct. It is up to the user to

determine if the equation is valid (i.e. the correct inputs, timers, variables are used).

Setting Time Delays

Time delays can be entered directly in a logic equation.

Example: V1=TON(VL1, 100), "On" time delay, set to delay the shift to 1 of variable

VL1 by 100 ms.

To improve equation legibility and facilitate time delay settings, use the time delay

editor to:

b create a time delay. Indicate its duration and name (used in writing the logic

equation)

b delete a time delay

b modify the duration of a time delay without making changes in the equation

entry zone

b show the list of delays used in the logic equations with names and durations

Example: Create SwitchOnDelay with a duration of 100 ms.

In the entry zone, use the time delay: V1=TON(VL1, SwitchOnDelay).

Loading Logic Equations in Sepam™

Logic equations transfer to Sepam™ in Connected mode:

b directly by clicking the Apply button

b when a configuration file containing logic equations entered in disconnected

mode is loaded

In both cases, loading results in a short interruption in Sepam™ operation and

automatic restart at the end of loading.

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Editing assistance tool

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Time delay editor

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