Um 121 Power Module - HEIDENHAIN TNC 410 M Technical Manual

6.1.27 UM 121 Power Module

6 – 40
Danger
Do not engage or disengage any connecting elements while the unit is
under power!
X111
X112
X79
X344
X392
X82
X81
HEIDENHAIN Technical Manual for Inverter Systems and Motors
PWM, axis 1
PWM, axis 2
Unit bus
24-V supply for motor holding brake
(available as of version 325003-02)
Motor holding brake
(available as of version 325003-02)
Motor connection for axis 2 (X112)
Equipment ground
Motor connection for axis 1 (X111)