Unication Messenger m90 Manual de usuario descargar pdf (Pagina 254)

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101

U90 Ladder Software Manual

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M90/91 controllers have an internal battery back-up for certain values during a power

failure.

In M90 models, the battery backs up values from:

MI 0 - MI 15

MB 0 - MB 15

RTC values

Therefore, any Operand that must retain its value during a power failure must be written

into one of the above Operands.

In M91 models, all system data and RTC values are backed up.

Find and Replace Elements

To use Find and Replace:

1. Open the Find function by clicking on the Find button on the U90 Ladder toolbar.

2. The Find function opens.

3. Select the name and address of the operand you wish to find.

4. Click the Find button shown below; a list appears showing every time that operand is

used in the project.

5. Select the name and address of the operand you wish to replace as shown below.

6. Select the location of the operand or description you wish to replace by clicking it

within the list.

7. Replace operands or their descriptions by clicking the buttons shown below.

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Unication Messenger m90 Manual de usuario Pagina 254

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