Nonvolatile Plc Markers And Words - HEIDENHAIN iTNC 530 Service Manual

18.6 Nonvolatile PLC Markers and Words

Saving on hard disk For storing certain states of the PLC program, it is possible to save the nonvolatile
PLC memory range on the hard disk and then load it again for testing purposes.
 Press the following key combination:
RANGE =
July 2002
 Select the Programming and Editing mode.
 Prepare iTNC for entry of code number.
 Enter the code number.
 Confirm.
 Call TABLE function.

Switch soft-key row.
 The defined maximum range of the nonvolatile PLC markers and words
(e.g. M0... M999, B0 ... B127) is automatically entered by iTNC.
This range can be changed by the operator.
Note: Here the unit B (bytes) instead of W (words) is not an error.
-> A byte is the smallest subset of a word.
 Confirm setting.
File: PLC:\PLCMEM.A
 The states or contents of the PLC markers / words are stored on the hard
disk in the indicated file.
 Exit PLC operating mode.
 The default setting offered by the iTNC is
PLC:\PLCMEM.A. If required, more than one
file can be stored on the hard disk.
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