Uvr 120D Power Supply Unit - HEIDENHAIN TNC 410 M Technical Manual

6.1.2 UVR 120D Power Supply Unit

April 2007
Danger
Do not engage or disengage any connecting elements while the unit is
under power!
X70
X74
X69
X79
X71
X72
X31
Connection Overview
Main contactor
5-V power supply
Power supply for the control
(in double for lengths over 0.5 m)
Unit bus
Safety relay for spindle (pulse disable for the spindle)
Safety relay for the axes (pulse disable for all axes)
Supply voltage for inverter (3 x 400 V ±10 %)
Equipment ground
6 – 5