HEIDENHAIN TNC 426 CB, Техническое руководство

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December 2001 Update Information No. 6 1 – 7
1.6 Field Orientation
If a synchronous spindle is used along with an encoder without Z1 track or a
nonaligned encoder with EnDat interface, there is no assignment between the
encoder and rotor magnets. This is remedied by NC software 280 476-13 with
the new FIELD ORIENTATION function on the LE 426 M/30 000 rpm and the
LE 430 M. When put into service, the control automatically finds the
assignment between the encoder and the rotor magnets and saves this
information on the hard disk. From this time on the assignment is available to
the servo controller.
1.7 New Motor Table
As of NC software 280 476-13, the motor table motor.mot is used as the
standard table instead of the previous standard motor tables motor.asn and
motor.sn. Synchronous and asynchronous motors are registered in
motor.mot. If the new motor table motor.mot is not available, the control looks
for motor.asn and motor.sn.
You can transfer asynchronous motors from motor.asn into motor.mot. To
transfer synchronous motors into motor.mot, please contact HEIDENHAIN.
1.8 Hardware
New receiver units The EA 550 and EA 552 receiver units and the APE 511 interface electronics
for the connection of two EA 552 to the LE have been superseded by new
units.
LE 430 M/9 axes
with flash EPROMs On the LE 430/9 axes with flash EPROMs, only the speed encoder inputs and
the position encoder inputs X1 to X6 (but not X35 to X38) are equipped with
EnDat interface.
Old units New units
EA 550 (Id. Nr. 262 904-xx) EA 632 (Id. Nr. 346 322-xx)
EA 552 (Id. Nr. 339 317-xx) EA 652 (Id. Nr. 346 323-xx)
APE 511 (Id. Nr. 275 759-xx) APE 652 (Id. Nr. 354 656-01)