Trouble Shooting: Exchanging Power Modules Or Output Stages Of The Same Type - HEIDENHAIN iTNC 530 Service Manual

20.1.5 Trouble Shooting: Exchanging Power Modules or Output Stages of the Same Type

General If you have found out that the PWM interface on the CC is in order, you can test if a traverse of
the faulty axis with ...
Use one of the following units:
May 2006
a dimensionally identical power module (modular inverter system) or
an output stage with equal power (2-axis-module, compact inverter)
is possible.
DANGER
If you want to use other types of power stages or output stages, we strongly recommend
contacting your machine manufacturer or HEIDENHAIN. Otherwise you could cause
damage or injury to machine or persons!
Either a replacement unit
Or a power stage or output stage already located in the electrical cabinet but is not used (with
compact inverters, e.g., a output stage with equal power could be available)
Or the power stage or output stage of a functioning axis
Note
It is not necessary to exchange a machine parameter for this test routine!
It does not matter whether the power stages are from HEIDENHAIN or other
manufacturers.
Caution
If you strongly suspect that the motor of the axis to be examined causes a short circuit
(penetration of humidity, etc.), you must not connect it to another power stage as it could
be destroyed!
DANGER
Always secure vertical axes from falling down before you perform this test!
DANGER
Danger of electrical shock!
Make sure that the main switch of the machine is switched off and that any connectors and
terminals are free of potential before you engage or disengage them.
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