Parameter or property System variable Description
Rotational axis $NT_ROT_AX_NAME[n, 1] Name of chain element of
the rotational axis
End of workpiece chain $NT_P_CHAIN_LAST_ELEM[n] Name of last chain ele‐
ment in the workpiece
chain
Linear axis
Transformation axis $NT_GEO_AX_NAME[n, 0] Name of chain element of
the linear axis vertical to
the rotational axis
Use compensation axis $NT_CNTRL[n] No: Without compensation
axis
Yes: With compensation
axis
● No
● Yes
Bit 9 = 0: TRANSMIT 256
Bit 9 = 1: TRANSMIT 257
Compensation axis $NT_GEO_AX_NAME[n, 1] Name of chain element of
the linear axis horizontal to
the rotational axis
Properties (transformation)
Dynamic operating range of the
transformation axis
$NT_POLE_SIDE_FIX[n] 0: In positive and negative
traverse range
1: In positive range only
2: In negative range only
● Complete
● Positive only
● Negative only
= 0
= 1
= 2 (default)
Direction of rotation of rotational
axis
$NT_CNTRL[n] Bit 11 Direction of rotation of ro‐
tational axis
● Normal (default)
● Inverted
= 0
= 1
Import rotary axis offset from ZO
1)
$NT_ROT_OFF‐
SET_FROM_FRAME[n]
Import offset of rotary axis
from ZO
● No
● Yes
Sequence of geometry axes $NT_CNTRL[n] Bit 16 - 18 Sequence of geometry ax‐
es
(Geometry axis identifier
from MD20060)
● X Y Z (default)
● Z X Y
● Y Z X
● Z Y X
● X Z Y
● Y X Z
= 0
= 1
= 2
= 3
= 4
= 5
Avoid WCS jump when selecting
transformation
$NT_BASE_TOOL_COMP[n] Avoid WCS jump when se‐
lecting transformation
(Requirement: MD28082
Bit = 1)
● X
● Y
● Z
Bit 0: 0 = No, 1 = Yes
Bit 1: 0 = No, 1 = Yes
Bit 2: 0 = No, 1 = Yes
Tool direction Z from tool spindle $NT_CNTRL[n] Bit 19 Import tool direction Z from
direction of tool spindle
● No
● Yes
= 0
= 1
Transformations
15.7 Assigning parameters to transformation types and tool carriers
SINUMERIK Operate (IM9)
344 Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
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