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Siemens 7SR51 - 3.8 Quick Logic

Siemens 7SR51
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Quick Logic
Overview of Functions
The Quick Logic feature allows the user to input up to 16 Quick Logic equations (E1 to E16) in text
format. Equations can be entered using Reydisp or from the relay fascia.
Quick Logic allows the user to define basic logic schemes using the pushbuttons and LCD of the device
fascia.
The logic is defined by an equation using standardized terms for binary inputs, binary outputs, LEDs, virtual I/O
and logical functions.
Protection functions can be used in Quick Logic by mapping them to a Virtual Input/Output.
Graphical logic schemes are compiled using the Reydisp Manager User Logic tool.
Structure of the Function
Up to 16 user definable logic equations can be configured in the device.
This function corresponds to the logical node CTRL EGGIO in IEC 61850.
Equations are defined in the following stages:
Define the logic equation
Assign pickup delay
Assign drop-off delay
Assign an equation counter target
Assign the counter reset mode
Assign the counter reset time
[dw_7SR5_7SR5QuickLogicStructureOfTheFunction, 1, en_US]
3.8
3.8.1
3.8.2
Device Functionality
3.8 Quick Logic
130 Reyrolle 7SR5, Overcurrent Protection Device, Device Manual
C53000-G7040-C014-1, Edition 11.2019

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