250 HEIDENHAIN Technical Manual iTNC 530 HSCI
3.9.3 Connection overview
MS 110 pin layout Connector Function Page
DC-link
conductor
bar
400 V– to 750 V– –
Screw strip For fastening the PWM round cable
shields
–
X79 Unit bus (connection for ribbon cable) 252
X79C Unit bus (connection for round cable) 253
Protective ground
Do not engage or disengage any connecting elements while the unit is
under power!