Restrictions - Siemens SINUMERIK 828D Function Manual

K1: Mode group, channel, program operation, reset response
9.15 Replacing functions by subprograms
9.15.5

Restrictions

• Function replacements are not permitted in:
- Synchronized actions
- Technology cycles
• There must be no blockwise synchronized actions in front of a block that contains functions at the beginning to
be replaced. See the paragraph below "Example for: Non-modal synchronized actions".
• Only the actions required for the respective replacements can be performed in the replacement subprogram.
• In a block, in which the replacement subprogram is called at the block end, the following should be observed:
- No modal subprogram call should be active
- No subprogram return jump should be programmed
- No program end should be programmed
Example of: Non-modal synchronized actions
MD30465 $MA_AXIS_LANG_SUB_MASK, bit 0 = 1 (gear stage change)
Program code
...
N1000 WHENEVER $AA_IM[X2] <= $AA_IM[X1] + 0.5 DO $AA_OVR[X1]=0
N1010 G1 X100 M43
...
If, in block N1010, the function M43 initiates that a replacement subprogram is called, machining is interrupted
and an alarm is output.
660
NOTICE
The controller does not monitor whether the function to be replaced has been realized
in the replacement subprogram.
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions