The Trace Function - HEIDENHAIN iTNC 530 HSCI Technical Manual

9.1.7 The TRACE function

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The TRACE function enables you to:
Control the logical states of markers, inputs, outputs, timers, and counters

Check the content of bytes, words and double words

From the PLC main menu, press the TRACE IN-CODE soft key to select the
TRACE function. The iTNC then shows:
The statement list (STL) of the selected PLC program

For every program line, the content of the operand and the accumulator in

HEX or decimal code (selectable by soft key)
The iTNC identifies every cyclically executed command with a C. With the
arrow keys or the GOTO function you can select the program section that the
iTNC should display on the screen.
The PLC program to be displayed is chosen with PGM MGT, and must be the
currently active main program or a file integrated with USES.
HEIDENHAIN Technical Manual iTNC 530 HSCI