5T Operating Instructions FAQ /Q&A - Page 2


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Thread: 5T Operating Instructions FAQ /Q&A

  1. #13
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    Setting the taps on the single-phase transformer for the CNC power supply is pretty simple. You connect a single phase input (primary) to the 0v terminal and to the terminal that's marked for your particular input voltage (200, 220, 240, etc.) That would make the output (secondary) voltage to 100vac and 200vac +/- about 5% or so. This keeps the CNCs power supply happy, and the fan motors run at the correct voltage.

    The big 3-phase servo transformers are different. There are actually several types of 3-phase servo transformers. Some of them have dual primary coils for setting any input voltage from 190 to 550v. Some others are much simpler, and they only let you set an input voltage of 220 or 240v. Most people are confused about how to set the big muti-tap servo transformers. These transformers have TWO sets of input (primary) coils, which can be wired in parallel or in series. These primary terminals are usually labeled "0V, 190v, 230v, and 275v", and there are two sets of primary coils for each of the 3 phases.

    Adjusting the taps is done by applying jumpers between one set of primary coils and the other set, and all three phases must be connected & jumpered the same way. For example, for a 230v input line voltage, connect each phase to the "230v" terminal, then run a jumper wire to the OTHER 230v terminal. Each of the 3 input lines will be connected to TWO terminals, both labled "230v". The 0V terminals will then all be jumpered together (all 6 of them). This means that each phase must run through a PAIR of primary coils, which are all wound for an input voltage of 230.

    If, for example, you have 460 volts in your shop, wire each phase to the FIRST 230v terminal, then run a jumper from that coil's 0V termial to the 230v terminal on the second coil. Then, jumper only the last 3 0V terminals together. That way, the 460v input must run through one coil, then the other coil (in series). This doubles the number of coils that the input current must run through, which compensates for the higher voltage.

    The bottom line is this: On the output (secondary) side of the transformer, you should have three phase current correct voltage for the servo motor/amplifier you are using. The output terminals are usually labeled 31L, 32L and 33L (for the X axis), 34M, 35M, and 36M (for the Y axis) and 37N, 38N, and 39N (for the Z axis). There are also three smaller termials labeled 18v, 0v, and 18v (18vac with a center-tap) for the power suppy on the servo boards, and an overheat sensor labled OH1 and OH2.

    The old SCR servos for the Fanuc model 0 motors (the smallest ones) need 60vac on the secondaries, the Fanuc model 5 motors need 90vac, and the larger 10, 20, and 30 motors need 120vac. A too-high voltage to the servo can blow a lot of fuses and possibly blow the SCRs as well.



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    Default OK,so....

    Thanks again Dan.I would really like to compensate you for this info.I know this forum and community are a kind of free site,but this info is so valuable ,I would like to keep it coming,and have you as a 'retained' consultant.I would like to talk with you live.Is it OK to call you?I'm going to be at a machine show for a coupla days,but I'd like to talk when I can be in front of the machine.Please let me know what you think.Thanks again ,Doug



  3. #15
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    Default 5t

    Hi Dan.Went down to the show in Santa clara ,and talked with the folks from RYM,who were very friendly.I need to do my groundwork before we go ahead with their product.I was wondering if I could get your email,so I could send a photo of my cabinet,and servos,so we're talking apples and apples.Thanks,Doug



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    Hi Doug,

    I get email at two addresses. They are subsoft@buckeyeweb.com and dan@rym.com
    If you have photos to send, just attach them to an email and I'll have a look.

    Dan



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    I need to input this program into my 5t controller
    %
    N001 M04 S300
    N002 M08
    N003 G94 f120
    N004 s300
    N005 G00 Z-5
    N006 G91
    N007 G01 Z-10
    N008 G0 Z15
    N009 M05
    N010 M09
    N011 M30
    I am used to the fagor controller with a screen, where you can see what is going on. If anyone can give me some info on how to input this into the controller it would be most appreciated. I need some english on how to do it not japanenglish .



  6. #18
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    Default rym

    Hi.I am a mental pygmy,so I just bought the RYM interface software and cable,and now we are talking to my old sl3a Mori just fine.Dan Fritz is the coolest.Doug



  7. #19
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    I baught the AMI card and am running hyperterminal but when I try to send information to the mori it brings up error on "tape parity horizontal" is that a problem with the baude rate? I have card set at 9600,7,E,2 is that what the machine will run on?



  8. #20
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    Smile Inputing 5T data

    John,

    I'm Steve, I have a 5t on my Howa lathe. I have been able to input programs on the machine, but it is frustrating and hard to keep track of where you are.
    I use a BTR and note book computer now, it is much easier and fun too.
    But, if you turn on your machine and make it ready for use, select TAPE MEMORY on your control panel, then go to your 5t display / key pad and press the red C key on the data key pad, then the red ERASE key on the tape edit panel, repeat this about 5-10 times to clear the memory.
    Next, to enter your program you must use the address keys (left/right arrows) to cursor the red LED to the code letter you want, like "N" then enter the numbers you want with it "001", then cursor to the next letter, "M04", then, "S300" you will enter it like this without any spaces, "N001M04S300" you will also not be able to enter decimal points and must enter 4 numerals right of the decimal point to get beyound the decimal point, 1 inch would be entered "10000" 5 inches "50000" and 10 inches "100000" at the end of the line you press the END OF BLOCK key on the tape edit panel, and repeat this format on all subsequent lines of the program, it would look like this:

    N001M04S300;
    N002M08;
    N003G94F120;
    N004S300;
    N005G00Z-50000; (if this is 5.0000 inches) or (5000 if it is .5000 inches)
    N006G91;
    N007G01Z-100000; (IF THIS IS 10.0000 INCHES)
    N008G0Z150000; (15.0000 INCHES)
    N009M05;
    N010M09;
    N011M30;

    Press INPUT, then START, and if everything is right, it should run.

    Good luck!
    Steve

    Quote Originally Posted by john-shipman@ho View Post
    I need to input this program into my 5t controller
    %
    N001 M04 S300
    N002 M08
    N003 G94 f120
    N004 s300
    N005 G00 Z-5
    N006 G91
    N007 G01 Z-10
    N008 G0 Z15
    N009 M05
    N010 M09
    N011 M30
    I am used to the fagor controller with a screen, where you can see what is going on. If anyone can give me some info on how to input this into the controller it would be most appreciated. I need some english on how to do it not japanenglish .




  9. #21
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    Default Tape horizontal parity error on 5T

    John,

    I have had that error come up for different reasons, fist when I set up the BTR, but most of the time it is when I have some math wrong in circular interpolation, at least that's what it seems to be, one would think the circular interpolation error would come up, and it does in the right circumstances, but when I get the numbers right the horizontal parity error goes away. Hope this helps.

    Steve

    Quote Originally Posted by john-shipman@ho View Post
    I baught the AMI card and am running hyperterminal but when I try to send information to the mori it brings up error on "tape parity horizontal" is that a problem with the baude rate? I have card set at 9600,7,E,2 is that what the machine will run on?




  10. #22
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    The TH alarm usually means that you're trying to send the control an ASCII character that it does not recognize. Here are some characters that can trigger the TH alarm:

    The letter "O" or the colon ( character. These are program ID characters only recognized by later model Fanucs like the system 6.

    ANY lower-case letter, whether it's inside or outside of the parentheses ( ) marks

    The parentheses marks (Fanuc 5s can not accept comments in parentheses)

    Any non-iso punctuation mark, like ! @ # $ ^ & * ( ) + ? < > ; { } [ ]

    A decimal point (Fanuc 5s can not use decimal point programming)

    Does this give you any clues?



  11. #23
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    Default popping spark /surge protectors on sl3a

    Quote Originally Posted by Dan Fritz View Post
    Dougbeast: Before you go much further, check the jumpers on the servo and the CNC power transformers. These jumpers are used to adjust for your shop's line voltage, and every time a machine gets moved to a new shop, you're line voltage is likely to be different.

    Inside the CNC cabinet (near the power supply) there should be a single-phase transformer with a set of taps for line voltages of 190 to 550vac. This transformer has secondaries (outputs) of 100 and 200vac. Measure the outputs and see how close they are to 100 and 200 volts. If they're more than 5% low or high, you may want to change the taps so they are closer to their intended voltage. In Japan, the "standard" voltages are 100v and 200v, and the transformer is designed to give the CNCs power supply the right stuff.

    Also, somewhere near the servo amplifiers, is a larger 3-phase transformer with multiple taps. These jumpers can also be adjusted to give the servos what they need as an input voltage. Chances are, the servo transformer will be jumpered for the same line voltage as the CNC power transformer, so if you have to adjust the small single-phase transformer, you'll probably have to adjust the servo transformer as well.

    Making the servos run smoothy on a Fanuc 5 requires a bit of work (with a voltmeter and an oscilloscope), but the results are well worth it. If a servo makes any noises other than a nice "hum" as it moves, then you need to look into things. A lot of machines have ballscrew covers or way covers that make funny noises, but those are not worth worrying about unless they're binding somehow.

    One common problem on these old SCR servos was having a blown fuse, which would cause the servo to run on a single phase (sounds rough, and does not have much torque). The 3 "indicator" fuses on the back of each servo amplifier have little "flags" that are suppose to pop up when the fuse blows, but if the flag sticks, the fuse can blow and the control wont' shut it down with an alarm. The result is a servo that runs on a single phase.

    As with any used machine, DOUBLE CHECK to be sure the way lube is getting to the right places, and that the ballscrews and nuts are being properly lubed also. Clogged lube lines are a real problem in used machines.

    For servo tuning on a 5T/5M, I'll be glad to write up the procedure, but it does take some skill and a few basic tools, including an oscilloscope.
    Hi Dan.I am blowing these little cans that are plenty pricey.Got some new ones from Mori,but I think I might be doing it again unless I adjust the voltage.Could you please tell me in layman`s terms,how to adjust the voltage for the servos?I've never used a oscilloscope before,but I do have access to one.Thanks,Doug



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    thanks for the help guys. I am slowly getting there I now have another question. On the address display where all of the letters are, I have 3 LED lights that are always on the "G", "F" and the "A", Is this normal or Is that a possible reason that the manual input isn't working? Am I missing a parameter? is there a reason for them being on?



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5T Operating Instructions FAQ /Q&amp;A

5T Operating Instructions FAQ /Q&amp;A