Ur 242 Compact Inverter - HEIDENHAIN TNC 410 M Technical Manual

5.1.17 UR 242 Compact Inverter

5 – 20
Danger
Do not engage or disengage any connecting elements while the unit is
under power!
X31
X70
X110 to
X114
X69
X79
Sliding switch:
AXIS: X110, X113 or X114 is used as axis
SPINDLE: X110, X113 or X114 is used as spindle
X71
X72
X344
X392
X83
X80
X84
X82
X81
X393
HEIDENHAIN Technical Manual for Inverter Systems and Motors
Power supply for inverter
Main contactor
PWM connection for axes/spindle
Power supply for control
Unit bus
Safety relay for spindle
Safety relay for axes
24-V supply for motor holding brake
Motor holding brake (X110, X114)
Motor connection for axis 3 (7.5 A)
Motor connection for spindle (35 A)
Motor connection for axis 4 (25 A)
Motor connection for axis 2 (7.5 A)
Motor connection for axis 1 (7.5 A)
Equipment ground
Motor holding brake (X111 to X113)