help in transfer programs from cnc to pc

[rex366]

hi guys:
i have a mill moriseiki cnc and suddenly I am not able to transfer the
programs that I check from the cnc to my pc I use the mastercam 8 program to transfer the programs, I o ready made a new cable that goes from cnc to pc, hope you can help me out thanks,
friend in the sport.

[angelw]

Originally Posted by rex366 hi guys: i have a mill moriseiki cnc and suddenly I am not able to transfer the programs that I check from the cnc to my pc I use the mastercam 8 program to transfer the programs, I o ready made a new cable that goes from cnc to pc, hope you can help me out thanks, friend in the sport.

Post the make and model of the control.

Regards,

Bill

[rex366]

hi :
sorry I didin't post the make of the controler it is a Fanuc 11 m,
it was working fine, and suddenly stop transfering the programs, I am
able to send from the PC to the CNC but not from the CNC to PC
thanks guys.
p.s. its a 1987 moriseiki mill cnc

[angelw]

Originally Posted by rex366 hi : sorry I didin't post the make of the controler it is a Fanuc 11 m, it was working fine, and suddenly stop transfering the programs, I am able to send from the PC to the CNC but not from the CNC to PC thanks guys. p.s. its a 1987 moriseiki mill cnc

Just to ensure that there are no problems with your set up check the following to rule out the most obvious.

Parameters
#0000
TVC = 0
CTV = 1
ISP = 0
NCR = 0
EIA = 0

#0020 = 1
#0021 = 1
#0022 = 1
#0023 = 1
#5001 = 3
#5110 = 3
#5111 = 2
#5112 = Baud Rate (10 = 4800) Starting Point

Machine Control Set Page Settings
I/O = 1
ISO Format = 1

The cable pin out should be as follows and depends on whether the PC Comm Port is 9 or 25 pin.

Machine Side-----------------------PC Side
DB25 Male-------------DB9 Female-----------DB25 Female
2-----------------------2---------------------3
3-----------------------3---------------------2
7-----------------------5---------------------7
4
| bridged
5

6
|
8 all bridged
|
20

The configuration of the PC software should be
Baud Rate = 4800
Data Bits = 7
Parity = e
Stop Bits = 2
Handshaking = Xon Xoff (Software Handshaking)


If the cable and above settings are correct, and the problem still exists, set the following parameters and Machine Control Set Page Settings. Try to transfer both ways again.

#0020 = 2
#0021 = 2
#0022 = 2
#0023 = 2
#5002 = 3
#5120 = 3
#5121 = 2
#5122 = Baud Rate (10 = 4800)

Machine Control Set Page Settings
I/O =2
ISO Format = 1

If the problem still exists, try using a different PC. There is as much chance of the problem being with the PC hardware as with the Machine's.

If the problem still exists, it would be likely that there is an issue with the I/O PCB of the control. Do the above checks and post back.

Regards,

Bill

[rex366]

hi guys:
Thanks for the help bill I did what you told me first and it didn't work
I try the second option and I get this alarm SR830 I check the book and its something related to the COM 2 not been set up ON in the pc.
bill I read the parameter book but I didn't understand what this parameters
are:
#0020 = 1
#0021 = 1
#0022 = 1
#0023 = 1
#5001 = 3
#5110 = 3
#5111 = 2
hope you can help me on this.
when the mastercam window is ready to capture the program the
cursor has to be blinking like when your typing in the pc, or not because in my window the cursor does not blink.
one more thing when I punch the program in the CNC the cnc throws the program but the pc doesnot capture the program, stays like nothig is happenning, is there any way I can check the cable that goes from the I/O PCB of the control, to where I connect the cable to the Pc cable.
Sorry about all this bill; hope you can help me out.

[dcoupar]

SR830 is Data Set Ready Down (RS232C-2); it has nothing to do with COM 2 on the PC.

Set #0020-#0023 back to 1. This should eliminate the SR830.

I would go to Radio Shack or Fry's and get a cheap RS-232 tester. Plug it in between the CNC and the DB25 end of the cable. Unplug the PC and try to punch a program. The LED for pin 2 or pin 3 (don't remember which) should flicker as the control is punching. If it is, then the problem may be on the DB9 end or some setting in your communications software.

If you have a meter you can ohm out pins 2-2 and pins 3-3 from the DB9 to the DB25 to see if there good connection.

[angelw]

What dcoupar said is correct, this error that you get with the 2nd option parameter settings is associated with one of the hardware handshaking lines at the machine end that must be held high for comms to occur, notwithstanding you're using Xon Xoff, or software handshaking. This condition is satisfied by the bridge between pins 6,8, and 20 at the machine end of the data cable; pin 6 is Data Set Ready line.

Pin 2 on the DB25 connector at the machine end is the Transmit Data line, so that's the LED of the tester you should be looking for activity on.

If your PC has two Comm ports and if you have MasterCam Lathe and MasterCam Mill software, or any other Comms package that you can run at the same time as your MasterCam application, you can try the following to test to rule out the PC as the problem. You won't be able to start two instances of the one MasterCam application at the one time, but you will be able to start the two different MC apps simultaneously.

If you can't organize the software as above, but you have the two Comm Ports available, PM your email address to me and I'll send you back a test program to use.

1. Start MC Mill and MC Lathe, or either one of these, and another comms package at the same time on the PC.

2. Configure the Comms parameters on one of the software packages to one Comm Port and the other package to the other Comm Port.

3. Connect a Null Modem cable between the two Comm Ports of the PC, You may have to use a gender changer on one end of the cable to connect to the two male ports on the PC.

4. Set one software application to Receive and the second application to Send

5. Send a program from the application set to Send and the other application set to Receive should receive the program.

This is an easy test to set up and will tell you very quickly if there is a problem at the PC end.

Regards,

Bill

[rex366]

hi guys:
thanks to angelw and dcoupar for all the help, I checked the connection on pins 2 - 2 , 3 - 3 on DB25 and DB9 the connection is good, now I will try what angelw say on Monday.
Another question is there any way I can check the cable that goes from the I/O PCB of the CNC to the port where I plug my communications cable (DB25), the one inside of the controller box.
like I said at the beginning of the text thanks for all the help guys.

[rex366]

hi guys:
forgot to ask you another question, when my communications where working fine, if I punched a program to my PC I will get the program but
it will have a EOB ( between each line of program, I remember I changed something in my communications program (MC V8)

echo terminal emulation
strip carriage returns
strip line feeds

do you know which of this has to be check to capture the program with out the end of blocks between lines. thanks.

[angelw]

Originally Posted by rex366 hi guys: thanks to angelw and dcoupar for all the help, I checked the connection on pins 2 - 2 , 3 - 3 on DB25 and DB9 the connection is good, now I will try what angelw say on Monday. Another question is there any way I can check the cable that goes from the I/O PCB of the CNC to the port where I plug my communications cable (DB25), the one inside of the controller box. like I said at the beginning of the text thanks for all the help guys.

The RS-232 tester dcoupar suggested will to some extent test that cable. If you're not getting any activity on the tester, then either there's a problem with the cable from the connector to the board, or with the board itself. If there is no activity on the tester, you could check the focus cable for continuance with a multimeter. When you use the tester, make sure you have the cable plugged into it, because the CNC connector still needs the hardware lines bridged for it to send any data out.

If your machine has a Tape Reader and Tape Mode, pressing the cycle start button with Tape Mode selected and your tester in place should result in a ping on line 2 of the tester.

Regards,

Bill

[dcoupar]

Originally Posted by rex366 hi guys: forgot to ask you another question, when my communications where working fine, if I punched a program to my PC I will get the program but it will have a EOB ( between each line of program, I remember I changed something in my communications program (MC V8) echo terminal emulation strip carriage returns strip line feeds do you know which of this has to be check to capture the program with out the end of blocks between lines. thanks.

Check parameter 0 bit 3. If it's 0, then the Fanuc is sending LF CR CR as the EOB. If you change that parameter to 1 it will send a single LF as the EOB.

[rex366]

hi guys:
I used the RS-232 tester and when I send the program from the
PC to the CNC one of the LEDs will flick but when I send the program from
the CNC to the PC the LEDs will not flick, so I guess the I/O board is bad or the cable that goes out from the boar to the place were I connect my communications cable is crack, so what do you think guys.