3.2.4 M700 series control unit serial port and display unit serial port difference is as follows:
The control unit differs from the display unit serial channel 1 as follows:
The above different signals are control signals, and the rest are the same. When there is no requirement for the control signal during data transmission, the corresponding cables can be used interchangeably.
3.2.5 Wiring diagram of the computer and machine sheet metal side (for reference only): as shown below:
Figure 3-4 Cable diagram of the computer and machine sheet metal side
4, computer communication software and M7 communication parameter settings:
4.1 Computer communication software setting: Take the computer's own software hyper terminal as an example. Set up the software as follows:
First determine which serial port to use (in this case, use COM6 as an example), and then set the properties of the serial port used as follows.
If the computer Link B operation is performed, except that the setting parameter #8109 is 1 and the port is set to 2 (the NC has to enable this option function, the #8109 setting can be performed), and the following parameters are also set:
5, conclusion:
Although Ethernet transmission speed is faster than serial port to a certain extent, the application of the current serial port on CNC machine tools is still very common, and still plays a bridge between the processor and the machine tool.
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