Unication Messenger m90 Manual de usuario descargar pdf (Pagina 200)

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U90 Ladder Software Manual

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4. The Store Indirect MI element appears on the net.

Time Functions

Clock Functions

You perform clock and calendar functions in the U90 Ladder with Clock function blocks.

Function blocks are provided for:

Time

Day of the Week

Day of the Month

Month

Year

You activate these functions through the Clock drop-down menu of the Ladder toolbar.

The U90 Ladder provides 2 methods for executing Clock functions:

Direct

Indirect

You set the value of Direct Clock functions when you write your project.

The user sets the value of an Indirect Clock function from the M90 via the keypad.

Clock functions are featured in several sample applications, such as the applications '

School Bell Direct', 'Database Log', and 'Print & Time'. These applications may be found by

selecting Sample U90 Projects from the Help Menu.

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