HEIDENHAIN iTNC 530 Technical Manual page 554

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Table of Contents

February 2002

To start recording:

Press the soft key START TRACE.

To stop recording:

Press the STOP TRACE soft key, or the iTNC terminates recording

automatically as soon as the trigger event occurs.

The "PCTR" indicator blinks in the status window as long as the iTNC is

recording logical states. As soon as recording ends, you can use the arrow

keys to select the desired area in the TRACE buffer.

Example of logic diagram

PLC Functions