Brother CNC to PC: RS-232 Communication Using Windows Hyperterminal
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The following procedure outlines setting up and using Windows Hyper-terminal to communicate with a Brother CNC Tapping Center. The procedure was written for machines with the Brother A-00 control like the TC-S2A or TC-32A. Window Hyper-terminal can be used as a communication program with brother machines as well as a machine with a Fanuc control. The nice thing about it is that it is available on most any PC with a Windows operating system (although I have not seen it on Windows 7). It can be found under Programs/Accessories/ Communications/ Hyperterminal. So even if you don’t have Procomm or other software, you can still get programs in and out using Hyperterminal.
Brother CNC (A-00 Control) to PC: RS-232 Communication Settings and Procedure
Set the following parameters at the Brother machine control:
1. DATA BANK
2. USER PARAMETER
3. COMMUNICATION
1. SELECT PORT = 0
2. CONNECTION OBJECT =0
3. COMP COM PROTOCOL =0
4. BAUD RATE =5
5. PARITY= 2
6. STOP BIT =0
7. CHARACTER =0
8. RESPONSE MONITORING TIME =60
9. COMMUNICATION TYPE =0
10. DC1 CODE =17
11. DC2 CODE =18
12. DC3 CODE =147
13. DC4 CODE =20
14. DR SIGNAL CHECK= 0
15. ENDING DC3 CODE= 0
16. INVALID DATA= 0
17. TRANS DATA CODE= 0
18. END OF BLOCK =0
19. TV CHECK= 0
20. HEADING OUTPUT= 0
21. RESET IN SLAVE COM= 0
22. RECOVERY TIME OF RESET =0
23. DATA OVERWRITE =1
24. REMOTE OPERATION =0
25. CHECKSUM =0
26. EIA CHARACTER CODE (#) =173
27. EIA CHARACTER CODE (*) =186
28. EIA CHARACTER CODE (=) =194
29. EIA CHARACTER CODE (]) =161
30. EIA CHARACTER CODE (]) =162
To prepare Windows Hyper-Terminal:
At the PC:
Click “START”
Click “PROGRAMS”
Click ACCESSORIES”
Click “COMMUNICATION”
Click “HYPERTERMINAL”
Under “Connection Description”
Name (enter “Brother Communication” for example)
Click OK
Under “Connect To or Phone Number”
“Connect using : COM1″ (or select appropriate)
Click OK
Under “Com Properties”
Select “Port Settings”
Click on “Settings” tab
Bits per second =9600
data bits= 7
Parity =None
Stop bits =1
Flow control =XON/XOFF
Click OK
Hyper-terminal window
Click on “Properties” icon
Click on “Settings” tab
Emulation- select ANSI
Click ASCII setup button
Check all boxes EXCEPT “Append line feeds to incoming line ends”
Click OK
Click OK for Properties window
To send a program from the PC to Brother CNC using Hyper-terminal:
At the PC:
Click Transfer”
Click Send Text File from the drop-down menu
Browse to find the program to send
Click only once on the program file you want to send. Do not click “Open” yet
At the Brother CNC:
EDIT mode
Program Edit Menu
Select “External Program I/O”
Select “Input from PTR”
Type the 4-digit program number
Press “E.STA” button
Back at the PC:
Click “Open” on the selected program file
To send a program from the Brother CNC to PC using Windows Hyper-terminal:
At the PC:
Click “Transfer”
Click “Capture Text”
Type the path name and the file to receive- use a “.TXT” extension
At the Brother CNC:
EDIT mode
“Program Edit” Menu
Select “External Program I/O”
Select “OUTPUT TO PTR”
Select “Program”
Enter the program number to send
Click “Start” on the PC
Press “E.STA” button
After the file has transferred, click “Transfer”, “Capture Text”, and then “Stop”.
End
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