Q: The machine has manual operation and automatic operation. I want to know that the program that runs automatically must be in the case of the CNC system to run? I want the S7-200 to replace the CNC system. Can it be run automatically? If you can program how to edit!
A: The core of the CNC system is essentially a plc, (professional term should be pmc). All program control is programmed here. The I/O signal of plc is used to control the servo or stepper motor. It needs to be realized by servo or stepper drive module. The functions that come with the drive module itself need to be implemented from the signal from the plc!
S7-200PLC can not completely replace the CNC system to control CNC machine tools.
The actuators of the CNC system are generally servo motors or stepper motors, so the operation of these motors must be implemented with the corresponding modules.
Automatic, manual is the function of the program in the internal programming, the external action should be automatically realized, the CNC system must add the corresponding drive module to execute the motor.
If it is an automatic control system, it is the control of the relay to achieve the start and stop of the motor!
The difference and connection between the two should be these!
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