Yaskawa YASNAC PC NC Connecting Manual - Manual (Page 41)

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YASNAC PCNC Connecting Manual Chapter 2: Power Supply
Note: Please follow the Frame Ground connection details for the machine and electrical
cabinet.
1. Connect FG Cable from customers main grounding point to Machine’s electrical
cabinet where PCNC is mounted.
2. Connect FG cable from customers mains
Note: 1. Connect CRT ground wire only to the CRT chassis ground terminal. Do NOT
connect ground wire to terminal “E” on the main power terminal block of the CRT
unit.
2. CRT Ground wire must be a separate wire directly connected to the main cabinet
ground plate or ground bar. Any other connections to the machine operation box
should be done using separate ground wires.
FIGURE 2.2.1.4 YASNAC PCNC CRT Power and Ground Wiring