HEIDENHAIN iTNC 530 Service Manual page 207

Power supply Power is supplied through the 50-line ribbon-cable connector X69 and in addition through a 5 V
by UVR terminal on the UVR.
A more powerful switching power supply and an additional 5 V terminal is built into the UVR.
--> The iTNC can be powered correspondingly.
The UV 105 is not required!
May 2006
Note
When using HEIDENHAIN inverters that are not provided with the additional 5 V terminal on
the front panel (e.g., UR xxx D, UV xxx D, UVR xxx, UVR xxx D), an accessory unit for the
power supply of the iTNC 530 is not required.
Note
For information on the HEIDENHAIN compact inverters and power supply units, refer to
Service Manual "Inverter Systems and Motors".
14 – 207