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