Siemens SINUMERIK 840D sl Function Manual page 593

Changing the dry run feedrate
The effect of setting data:
SD42100 $SC_DRY_RUN_FEED
can be controlled using setting data:
SD42101 $SC_DRY_RUN_FEED_MODE.
The following options are available for changing the dry run feedrate:
1. Dry run feedrate is the maximum of the programmed feedrate and setting data SD42101.
2. Dry run feedrate is the minimum of the programmed feedrate and setting data SD42101.
3. Dry run feedrate is setting SD42101, regardless of the programmed feedrate.
A dry run feedrate can be selected in the automatic modes and activated on interruption of
an automatic mode or end of a block.
For more information on feedrate control, refer to:
References:
/FB1/ Function Manual, Basic Functions; Feeds (V1)
Display
Active dry run feedrate mode is indicated by a reversal in the relevant field in the status line
on the operator interface.
2.4.4 Skip part-program blocks
Identification
The operating function must be selected, the function must be activated, and the blocks in
question must be identified with a slash character.
Basic logic functions: Mode group, channel, program operation, reset response (K1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
Detailed description
2.4 Program test
35