HEIDENHAIN iTNC 530 Service Manual page 254

The UV 105 B was designed solely for the use on HEIDENHAIN controls in connection with
Power supply by
UV 105 B non-HEIDENHAIN inverter systems.
The phases U/V and the dc-link voltage ± U
The LED READY UV on the front panel indicates the readiness of the unit.
Power is supplied through the 50-line ribbon-cable connector and in addition through a 5 V
terminal on the UV 105 B.
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are connected via a connector on the front panel.
DC
HEIDENHAIN Service Manual iTNC 530