Display/skip the labeling of traversing keys on HT 8
In order to inscribe the traversing keys, the names of the rst six axes are established from the
machine data 10000: AXCONF_MACHAX_NAME_TAB (indexed using DB 10, bytes 8 to 13).
The LED image of HT 8 serves as the interface for displaying the labeling by the PLC. The PLC
sets a bit in the LED image of the HT 8 to display or skip the traversing keys:
Signal AB n+6 bit 7 = 1 for displaying
Signal AB n+6 bit 7 = 0 for skipping
Note
To ensure that the labeling of the traversing keys is displayed correctly, the names of the axes
must not exceed 10 characters.
Example with labeling of traversing axes displayed:
Figure8-1 Traversing axes displayed
Acknowledging display/skipping by HMI on PLC
The HMI communicates to the PLC whether the traversing keys are displayed or hidden. This is
done using bit 7 in byte 72 of DB10:
Displayed: DB10.DBX72.7 = 1
Skipped: DB10.DBX72.7 = 0
Commissioning
8.2HMI-Advanced
Handheld Terminal HT 8
Equipment Manual, 02/2024, A5E52918633B AA 125
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