Eaton easyE4 series, Руководство пользователя

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7. System settings
7.13 Retention function
Retentive actual values on the device are deleted:
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By any program change in the circuit diagram or function block diagram followed by
its transfer to the device.
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When the program is deleted via Communication View, Program, Delete.
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By any change of the retentive range via the Project view, System settings, Reten-
tion.
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By any changes to the parameters for the remote markers of a visualization device.
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When the program is deleted with the Communication -> Delete device button
The following exception applies to retentive markers:
Marker contents
If this option is enabled, the contents of the existing retentive market range will be
retained when the project is transferred. In order for this to work, however, the marker
range defined as being retentive must remain unchanged .
Function block contents
If this option is enabled, the contents of the existing retentive operand range will be
retained when the project is transferred. In order for this to work, however, the function
block defined as being retentive must remain unchanged .
The marker actual values are retained when you have selected the option Retain Mark-
ers During Transfer.
7.13.1 Retention in the easySoft 7
You can configure the retention function both for markers and for function block con-
tents in easySoft 7.
Select the device you want from the catalog in the Project view
Click on the System settings tab.
Go to the
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Retain retention during transfer
section and look for the checkbox for Marker contents and the checkbox for Func-
tion block contents
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Retention
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Retention bytes
To turn on, enable the checkbox by clicking on it.
To turn off, disable the checkbox by clicking on it.
To configure the corresponding retention as necessary, enable the Marker contents
and/or Function block contents checkbox.
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easyE4 11/18 MN050009 EN www.eaton.com