Activation - Siemens SINUMERIK 828D Function Manual

W1: Tool offset
18.11 Sum offsets and setup offsets
A setup data set requires an equal amount of memory. A certain number of bytes is also required for internal
administration data.
18.11.3

Activation

Function
The function must be activated via the machine data:
MD18108 $MN_MM_NUM_SUMCORR (sum offsets in TO area).
System variables $TC_ECPx and $TC_SCPx and setup and sum offsets ("fine") defined via the OPI interface can
be activated in the part program.
This is done by programming the language command DL="number".
When a new D number is activated, either a new DL number is programmed, or the DL number defined via the
following machine data becomes active:
MD20272 $MC_SUMCORR_DEFAULT (basic setting of the additive offset without a program)
DL programming
The sum offset is always programmed relative to the active D number with the command:
DL = "n"
The sum offset "n" is added to the wear of the active D number.
Note
If you use "setup offset" and "sum offset fine", both compensations are combined and added
to the tool wear.
The sum offset is deselected with the command:
DL = 0
Note
DL0 is not allowed. If compensation is deselected (D0 and T0), the sum offset also becomes
ineffective.
Programming a sum offset that does not exist triggers an alarm, similar to programming a D
compensation that does not exist.
Thus, only the defined wear remains part of the compensation (defined in system variables
$TC_DP12 to $TC_DP20).
Programming a sum offset when a D compensation is active (also applies to deselection) has
the same effect on the path as programming a D command. An active radius compensation
will, therefore, lose its reference to adjacent blocks.
1560
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Basic Functions