DR. JOHANNES HEIDENHAJN GmbH
- D-8225Traunreut
.Tel. (08669) 31-O
Kundendienst
1.
Use
of
the
Service
Manual TNC 151/155
In order to determine the fault condition on an
NC
machine,
a fundamental knowledge of the machine and the drives is
necessary, as well a a knowledge of their interaction with
the Control and measuring system. In addition, improper use
of the Control, such as incorrect
NC
programming or incorrect
selection of machine parameters can lead to
the occurrence
of fault conditions. Further information in this respect can
he found in:
-Operating Manual
.Mcmnting Instructions and Interface Circuit Control-Machine
.PLC-Description
SERVICE MANUAL TNC 151/155
Page 2
Section 1
The TNC 151/155 Service Manual is used for the diagnosis,
localisation and remedying of faults on TNC controlled
machines. In section 2, Fault Diagnosis, a set of flowcharts
enables the user to pinpoint the scmrce of a fault
from
its
symptoms.
An integrated supervision system and a Burn-In Test Program
specifically developed for testing the Control can aid in
the location of faults.
Important guidance for the exchange of entire Controls,
individual hoards, or software is given in section 3,
Exchange Information.
Section 4. Additional Information, contains a block dia-
gram of the Control, a wiring diagram for each version of
the Control, and a list of machine parameters with permis-
sible entry values.
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