HEIDENHAIN iTNC 530 Service Manual page 257

When using a non-HEIDENHAIN inverter system (e.g., Simodrive 611), the power supply from
U of a non
z
the dc link is mostly lead via a protective PCB. This is secured to the conductor bar on the non-
HEIDENHAIN
HEIDENHAIN inverter.
inverter system
Figures: Protective PCB "old"
Figures: Protective PCB "new"
July 2010
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X131
U1 V1 W1
DANGER
Danger of electrical shock!
High voltages and currents
Shut down the control and switch off the machine.
Take precautions against restart.
Check whether there is zero potential at the conductor bars.
Check the fuses on the protective PCB and exchange them, if necessary.
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