Siemens SINUMERIK 840D sl Commissioning Manual page 365

Commissioning cnc part 2 (hmi)

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It might be sensible to back up only altered machine data before a software

update if changes have been made to the default machine data settings in the

new software version. This applies particularly to machine data, which are

assigned SIEMENS protection level 0.

MD 11210 UPLOAD_MD_CHANGES_ONLY should be set to "1" or the

corresponding bits set to "1". With this setting, the transferred files contain only

those data, which deviate from the default. This is of advantage with respect to

future SW upgrades.

SINUMERIK 840D sl/840D/840Di/810D HMI Installation and Start-Up Guide (IAM) – 08/2005 Edition

Battery-backed system variables

($AC_MARKER [ ]; $AC_PARAM [ ] only for INITIAL_INI)

0: All system variables are output

1: Only system variables not equal to 0 are output

Synchronized action GUD (only for INITIAL_INI)

0: All synchronized action GUD are output

1: Only synchronized action GUD not equal to zero are output

Effective: Changes to the data become effective when the upload for

the next area is started.

Starting Up HMI Embedded (IM2)

7 Data Backup

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