Siemens SINUMERIK 828D Function Manual page 649

Subprogram: Name
The name of the replacement subprogram is entered in the machine data:
MD15700 $MN_LANG_SUB_NAME = "<subprogram name>"
Subprogram: Path
The path of the replacement subprogram is set in the machine data:
MD15702 $MN_LANG_SUB_PATH = <value>
Value Meaning
0 Manufacturer cycle folder: /_N_CMA_DIR
1 User cycle folder: /_N_CUS_DIR
2 Siemens cycle folder: /_N_CST_DIR
System variable: Time that the replacement subprogram is called
The time that the replacement subprogram is called can be read using the system variable $P_SUB_STAT:
Value Meaning
0 Replacement not active
1 Replacement active, subprogram call is made at the block start
2 Replacement active, subprogram call is made at the block end
Block processing
If the replacement subprogram is called at the block start, after processing the replacement subprogram, the
block that initiated the call is processed. The replaced commands are no longer processed.
If the replacement subprogram is called at the block end, the block that initiated calling the replacement
subprogram is first processed without the commands to be replaced. The replacement subprogram is then
subsequently called.
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
K1: Mode group, channel, program operation, reset response
9.15 Replacing functions by subprograms
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