Lincoln Electric FineLine 12864 Operator's Manual page 27

BK8053-000107 Rev A.01
Each plasma system component as well as any other related equipment (CNC,
motor drives, etc.) must have a separate ground connection to the star ground point
even if bolted to the gantry or Power Supply. Grounds are not to be daisy-chained.
For components mounted to the cutting table gantry, it is acceptable to create a star
ground at the gantry with a single ground cable connecting the gantry star ground
with the cutting table star ground.
Refer to Appendix A for additional information.
AC Power
Service GND
This information is subject to the controls of the Export Administration Regulations [EAR]. This information shall not be provided to
non-U.S. persons or transferred by any means to any location outside the United States contrary to the requirements of the EAR.
AGC
Gantry
Work
Lead
Power Supply
Protective
Earth
* If the CNC / HMI is mounted to the Gantry, the CNC / HMI
chassis ground should be connected to the Gantry Star GND.
Page 27 of 118
FineLine 300HD Plasma System
ASC
Star GND
Star GND
Cutting Table
Chassis Earth
GND GND
CNC / HMI
*
Ground
Rod