Parameters or properties System variable Description
$NT_TRAFO_INDEX[n]
Tens and hundreds place
● 01 - 04: call number
● Otherwise: error
call number
$NT_TRAFO_INDEX[n]
Thousands and ten thousands digit
● 00, 01: Channel 1
● 02 - 10: Channel n
● 99: All channels
● Otherwise: error
Call from channel
Assignment of the chains
Tool chain
Tool reference point $NT_T_REF_ELEM[n] Name of the chain element
for the tool reference
End of tool chain $NT_T_CHAIN_LAST_ELEM[n] Name of the last chain ele‐
ment of the tool chain
Workpiece chain
Rotation axis $NT_ROT_AX_NAME[n, 1] Name of the chain element
of the rotation axis
End of workpiece chain $NT_P_CHAIN_LAST_ELEM[n] Name of the last chain ele‐
ment of the workpiece
chain
Linear axis
Longitudinal axis $NT_GEO_AX_NAME[n, 2] Name of the chain element
of the linear axis parallel to
the rotation axis
Slot side offset $NT_CNTRL[n] Slot side offset
● No
● Yes
● Optional
Default = No
● Optional
Default = Yes
10 = 0, bit 9 = 0: TRACYL 512
10 = 0, bit 9 = 1: TRACYL 513
10 = 1, bit 9 = 0:
TRACYL 514 (standard)
10 = 1, bit 9 = 1:
TRACYL 514
Slot side offset axis $NT_GEO_AX_NAME[n, 1] Name of the chain element
of the linear axis trans‐
verse to the rotation axis
Properties (transformation)
Direction of rotation of the rotation
axis
$NT_CNTRL[n] Bit 11 Direction of rotation of the
rotation axis
● Normal (default)
● Inverted
= 0
= 1
Transformations
15.7 Assigning parameters to transformation types and tool carriers
SINUMERIK Operate (IM9)
346 Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
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