840D adjustment Compared with the previous Cnc, the adjustment of 840D has both similarities and differences. The same is that the axis selection is still done through Shenyang Machine Data (MD); the difference is that the axis adjustment has been softwareized on the 840D. The following are respectively introduced as follows:
①NC Shenyang machine data. The machine data of 840D can be roughly divided into the following categories:
aGeneral Shenyang machine data. The range of this type of machine data is: NC-MD10000～19600.
bChannel-related Shenyang machine data. The range of this type of machine data is: NC-MD20000—29000.
cAxis-related machine data. The range of this type of Shenyang machine tool data is: NC-MD30110~ 38010, this type of data defines the form of the axis, such as linear axis or rotary axis.
d FDD(feed axis drive) data. The range of this type of Shenyang machine data is: NC-MDIOOO ~1799 (each feed axis has a set of this type of data).
e MSD(spindle drive) data. The scope of this type of Shenyang machine tool data is: NC-MD2005—2725 (each spindle has a set of this type of data); the type of motor used is defined in this type of data.
fdriver configuration file. In this drive configuration file, you can define the drive Module used, whether it is a feed axis or a spindle, etc.
GDisplay and manipulate data. The range of this type of machine data is: NC-MD9000-9999, this type of data is used to set the Display of the V24 communication port and CRT.
②PLC user program. The PLC user program of 840D, like other CNC PLC user programs, is a program about the logical relationship between Shenyang machine tool status, peripheral input signals and control switches, that is, the logical relationship of Shenyang machine tool electrical control is mainly determined in the PLC user program. . The PLC user program of 840D is written by STW7 programming language, which can be programmed by PC720/PC740.The PLC user program can be edited, passed on, and sent out; it can also perform on-line diagnosis and status control of the PLC; it can read out the interrupt stack and signal status; it can also start and stop the PLC to find and process PLC-related issues for Shenyang machine tools. The fault provides great convenience
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