Rockwell-automation 1747-DTAM-E,D17476.1 Data Table Access Module (DTA Manual de usuario descargar pdf (Pagina 47)

Monitoring and Modifying Data 5-13

Publication 1747-6.1

4. The address displays with the new value in the lower right-hand

corner:

When pressing these keys, the longer you hold the key, the faster the

values change.

When you use the [

]and[ ] keys, the module display

automatically rolls over or under the value when the numeric high or

low limit of the data file is reached. The following table lists the

values for the different files:

You may also use the numeric keys to enter or change a value at a

displayed address.

• To enter the value 567 into T4:5.PRE:

Press

The address and the new value displays:

T4:3.PRE

Data File Roll Over/Under Range

Timer PRE and ACC

Roll over at 32767 to 0

Roll under at 0 to 32767

Counter PRE and ACC

Roll over at 32767 to –32768

Roll under at –32768 to 32767

Control LEN and POS

Roll over at 32767 to 0

Roll under at 0 to 32767

Integer

Roll over at 32767 to –32768

Roll under at –32768 to 32767

T4:5 PRE

567

Important: Once data entry has been initiated, you may not attempt

to display different addresses. You must either finish

thedataentryandpress[

]orpress[ ].

Once data entry has been initiated, if you press the

[ ] key or switch the module from Modify to

Monitor mode, the new value is lost.

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Rockwell-automation 1747-DTAM-E,D17476.1 Data Table Access Module (DTA Manual de usuario Pagina 47