11996-8000
June 1999
OPERATION
The N number is the data number and V is the value. N0 is a CRC code that is computed by the control prior to
sending the data. The N0 value is mandatory with parameters but is optional with settings and offsets. If you
make a change to some saved data value and leave the old CRC, you will get an alarm when you load that
data. With settings and offsets, you should delete the N0 line if you make changes to the saved data.
Data that is received garbled is usually converted into a comment and stored into your program while an alarm
is generated. Errors generating an alarm may also stop the receive operation.
To get a DIRECTORY LISTING, select the PRGM/LIST PROG mode, and press F4. This will generate a Disk
Directory Listing that will be saved in program 0xxxx where xxxx is defined in parameter 227. The default value
is 8999.
On the List Prog page, type "DEL <filename>" where <filename> is the name of a file on the floppy disk. Press
write. The message "FLOPPY DELETE" will appear, and the file will be deleted from the floppy disk.
At the end of a save or load function, the bottom left corner of the display will show either: îš“FLOPPY DONEîš” for
normal completion or îš“FLOPPY ABORTîš” if any errors cause it to stop. The actual errors are listed in the
ALARM display.
FLOPPY - DIRECT N UMERICAL C ONTROL (DNC)
As a standard feature, this machine is shipped with a DNC capability. With DNC, there is no limit to the size of
your CNC programs, except the space on the floppy disk. The programs are directly executed by the control
as they are sent from the floppy drive.
If you wish to use DNC, it is enabled by Parameter 57 and Setting 55. When enabled, DNC is selected by
entering the floppy file name, and pressing MDI a second time when already in MDI. (Note: Do not press MDI
three consecutive times, or a îš“FLOPPY ABORTîš” will result). DNC mode will not be enabled unless there is a
minimum of 512 bytes of user memory available. When DNC is selected, the PROGRAM DISPLAY will show:
WAITING FOR DNC...
This means that no DNC data has been received yet and you must enter the filename and press F3. You must
do this before the START button can be pushed. After the beginning of the program is seen by the control, the
display will show part of the program and a message at the bottom, left of the CRT will show DNC PROG
FOUND. After the program is found, you may push CYCLE START just like running any other program from
Memory.
If you try to press START before receiving a program, you will get the message: NO DNC PROG YET. The
reason for not allowing the command of START before receiving the DNC program is for safety. If the operation
is allowed to start from a remote location, the operator may not be present to ensure that the machine is
operating safely.
While a DNC program is executing, you are not allowed to change modes. You must first press RESET to stop
the program.
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