Siemens SINUMERIK 840DE sl Commissioning Manual page 356

Transformations
15.7 Assigning parameters to transformation types and tool carriers
Parameter or property
Selection of preferred direction
Selection of follow-up
Varying numbers of input fields are displayed depending on the number of rotational axes in the tool
1)
or workpiece chain
A name must be indicated for the chain element depending on the parameter assignment.
2)
The properties of the retraction positions are displayed depending on the "Selection of retraction"
3)
parameter.
The following parameters are only displayed if they deviate from the initialization values:
Parameter or property
Assignment of chains
Tool chain
The following parameters in the "Properties (transformation)" area are only displayed if they
deviate from the initialization values:
Parameter or property
Properties (transformation)
Alarm in the event of motion of
redundant rotary axes
Import rotary axis offset from ZO $NT_ROT_OFF‐
End angle tolerance for tool ori‐
entation
Basic tool orientation
342
● No, always=-
● Yes, default=-
● No, always=+
● Yes, default=+
● No
● Yes
Tool reference point
System variable
$NT_CNTRL[n] Bit 21
= 0
● No
= 1
● Yes (default)
SET_FROM_FRAME[n]
● No
● Yes
$NT_POLE_TOL[n]
Direction vector X - Z $NT_BASE_ORIENT[n, 0 - 2]
Normal vector X - Z $NT_BASE_ORIENT_NORMAL[n,
0 - 2]
System variable
$NT_IDENT[n, 0]
THOUSANDS
= 0
= 4
= 5
= 9
$NT_IDENT[n, 0]
TENTHOUSANDS
= 2
= 3
System variable
$NT_T_REF_ELEM[n]
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
Description
Show selection of prefer‐
red direction on input
screen
Show selection of follow-
up on input screen
Description
Name of chain element for
the tool reference
Description
No: Motion is permitted but
not included in calculation
Yes: Motion results in an
alarm
Import offset of rotary axis
from ZO
End angle tolerance for tool
orientation
Tool orientation if no tool is
active
SINUMERIK Operate (IM9)