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pdxf,
I've been on vacation so slow response. I tried responding to your PM to me about the MRS drives and NC but the system won't let me do it. not sure why, maybe because I haven't been on in 3...

pdxf,
The frsf can be used as an analog spindle control by moving Pin 1&2 jumpers (located at top left of SFCA card between reset button and topmost eprom chip) from lower 1&2 position to upper 2&3...

What are you trying to do? Build a machine controller from scratch?
I repair Mazak machines and Mitsubishi/Meldas controls, not sure how much help I could be - you were asking about SF drives, I've...

I suppose if the spindle fan is inducing a lot of noise on the line it might cause a problem in the servo drive. Especially if you have the kind of servo/spindle/power supply where they are all side...

Hi aike,
That power supply was made by Yamabishi for Mitsubishi. It goes into Mitsubishi FRSF spindle drives, they are mostly found on Mazak CNC machines and yes you can get one from Mitsubishi or a...

Hi,
Did you ever get this problem solved? It definately sounds like a bad power supply - I just happen to have a working LX3 control with a working power supply- part number CPS-10NB that I recently...

Hi glp,
sounds like we need a little more info... what brand and type of servo? The NC alarm of 414 tells me fanuc nc and Mori's usually have fanuc's amplifiers but I've seen both Yaskawa and...

Hey Birdman,
Its been a while since you posted, not sure if you've fixed your problem or not... But I repair spindle and axis drives. What brand and model of inverter do you have? It sounds like the...

Cool! - things are always easier to fix when they don't work at all.
It usually means one of the power supplies isnt working.
Failing power supplies can also cause strange problems before they...

vf1kf,
the M57962 driver modules don't send a reference voltage to the mocon board, they are drivers for the igbt modules. He is apparently suggesting you trade out all 6 as a shotgun approach if...

sounds like one or more of the IGBT power output modules is shorted, you probably also have problems with the driver card, hopefully no bad proprietary hybrid driver modules! If you don't want to...

Shaun,
I can't find a manual for a FR 320, most of the models I have found are
FR(some letter) anything but 320. So I'm having a problem figuring out if one of the 3 control heads I have are...

how did you check the transistors? did you test them all out of circuit? on most power boards that use individual transistors instead of power modules, the transistors are in parallel, so if you get...

Shaun,

Thanks for the model #, I have a service call first thing Monday morn, but after that I'll go to my shop and look in the big box o' control heads to see if I can find a match. Fixing...

leaky gate driver filter caps oozing capacitor juice on the main board was probly the initial prob, 2 bad igbt modules, got the obsolete part blues, they can be had but must send off to the other...

since you have swapped the motor that is eliminated - so its either the drive or the transmission stressing things out. run up the spindle to a couple thousand rpm then shut off the main power to the...

I'll post results of exam after I get it on my bench.

cheers,

Bill Gorz
Gorz Electronics
828-206-1686
[email protected]

tell me the exact model number of the esp 130 i need to know what horsepower

thanx
Bill Gorz
[email protected]
828-206-1686

parameter loss is probably not a problem. your machine control has parameters in ram memory that needs a battery. As I recall that model of mitsubishi inverter/spindle drive keeps it's params on...

inverter bridge? do you mean the bridge rectifier on the servo amps input power supply? since okuma axis amps share a common supply it might be the power supply causing prob. in any case if that was...