System Variable - Siemens SINUMERIK 828D Function Manual

Example: Replacement of the T function
Parameterization
MD22550 $MC_TOOL_CHANGE_MODE = 0
MD10717 $MN_T_NO_FCT_CYCLE_NAME = "MY_T_CYCLE"
MD10719 $MN_T_NO_FCT_CYCLE_MODE = 0
Programming
N110 D1
N120 G90 G0 X100 Y100 Z50
N130 D2 X110 Z0 T5
A detailed example for replacement of the T function can be found in Chapter: "Example: Replacement of an M
function [Page 643]".
9.15.2.3

System variable

General Information
The replacement subprogram is provided with all of the information relevant to the functions programmed in the
block (T or TCA, D or DL, M) via system variables.
Exception
D or DL number is not transferred if:
• MD10719 $MN_T_NO_FCT_CYCLE_MODE, bit 0 = 1
• MD22550 $MC_TOOL_CHANGE_MODE = 1
AND
• D or DL together with T or M function programmed in a block
The values provided for the replacement subprogram in the system variables are not yet
effective. It is the sole responsibility of the user/machine manufacturer to resolve this by
using the appropriate programming in the replacement subprogram.
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Comment
; D1
; D1 is active
; D1 remains active
; The T function is replaced at the end of the
; block by
; UP call MY_T_CYCLE
; D2 is made available to MY_T_CYCLE in a
system variable
CAUTION
K1: Mode group, channel, program operation, reset response
9.15 Replacing functions by subprograms
Meaning
Tool change with T function
Name of the subprogram to
replace the T function
Call time: End of block
641