2. Wiring and Connection
2 - 1
2-1 Part system connection diagram.................................................................................. 2-3
2-2 Main circuit terminal block/control circuit connector .................................................... 2-4
2-2-1 Names and applications of main circuit terminal block signals and control circuit
connectors............................................................................................................. 2-4
2-2-2 Connector pin assignment..................................................................................... 2-5
2-3 NC and drive unit connection....................................................................................... 2-8
2-4 Motor and detector connection .................................................................................... 2-9
2-4-1 Connecting the servomotor ................................................................................... 2-9
2-4-2 Connecting the full-closed loop system ................................................................ 2-16
2-4-3 Connecting the synchronous control system........................................................ 2-19
2-4-4 Connection of the spindle motor ........................................................................... 2-27
2-5 Connection of power supply......................................................................................... 2-32
2-5-1 Standard connection ............................................................................................. 2-32
2-5-2 Two-part system control of power supply unit....................................................... 2-33
2-5-3 Using multiple power supply units......................................................................... 2-34
2-6 Connecting the grounding cable.................................................................................. 2-35
2-6-1 Connecting the protective grounding (PE) and frame ground (FG)...................... 2-35
2-6-2 Grounding cable size............................................................................................. 2-35
2-7 Wiring of contactors ..................................................................................................... 2-36
2-7-1 Contactor power ON sequences........................................................................... 2-37
2-7-2 Contactor shutoff sequences ................................................................................ 2-37
2-7-3 Contactor control signal (MC1) output circuit........................................................ 2-38
2-8 Wiring of the motor brake ............................................................................................ 2-39
2-8-1 Motor brake release sequence.............................................................................. 2-39
2-8-2 Control during the servo OFF command............................................................... 2-39
2-8-3 Operation sequences when an emergency stop occurs....................................... 2-39
2-8-4 Motor brake control connector (CN20) output circuit............................................ 2-40
2-9 Dynamic brake unit wiring............................................................................................ 2-41
2-10 Spindle coil changeover............................................................................................... 2-42
2-10-1 Coil changeover control......................................................................................... 2-42
2-10-2 Wiring..................................................................................................................... 2-43
2-11 Wiring of an external emergency stop ......................................................................... 2-44
2-11-1 External emergency stop setting........................................................................... 2-44
2-11-2 Operation sequences of CN23 external emergency stop function....................... 2-45
2-11-3 Example of emergency stop circuit ....................................................................... 2-46
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