HEIDENHAIN iTNC 530 Service Manual page 74

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Data exchange with

The PLC has to exchange data with the machine but also with the operating system of the

control to be in a position to undertake adaptation and control tasks.

Depending on the type of control, various inputs and outputs are available for the data exchange

with the machine.

The data exchange between PLC and NC is performed via firmly assigned markers, bytes,

words, doublewords, machine parameters and PLC modules.

Calling the PLC

Press the following key combination to call the PLC mode:

Select the Programming and Editing operating mode

Call window for code number

After the code number has been entered, the PLC main menu is displayed.

If the dialog READONLY appears on the left side of the screen, the machine manufacturer

has protected the PLC mode with his own code number.

The diagnosis possibilities with the standard PLC code number 807667 are limited.

--> Contact the machine manufacturer!

Enter and confirm code number

HEIDENHAIN Service Manual iTNC 530

Troubleshooting