6.1.19 UM 112D Power Module
6 – 32
Danger
Do not engage or disengage any connecting elements while the unit is
under power!
X112
X112
X79
Sliding switch:
X344
X392
X81
HEIDENHAIN Technical Manual for Inverter Systems and Motors
PWM, axis / spindle
PWM, axis/spindle
(The upper or lower X112 may be used;
Internally both of these inputs are switched in parallel.)
Unit bus
AXIS: Axis module
Enabling through X72 of the power supply unit
SPINDLE: Spindle module
Enabling through X71 of the power supply unit
24-V supply for motor holding brake
Motor holding brake
Motor connection for axis / spindle
Equipment ground