On Thu, 2017-02-16 at 08:56 -0800, Kirk Wallace wrote: > On 02/16/2017 03:37 AM, Valerio Bellizzomi wrote: > ... snip > > the VFD is a Toshiba VFS15-4037PL-W, it has a Forward input, a Reverse > > input, and a current speed input (and alternatively a 0-10V input). > > There isn't an enable input. I do not need the reverse so it should be > > two parallel pins, one for forward and one for speed. > ... snip > > I found a manual here: > https://inverterdrive.com/file/Toshiba-VFS15-User-Manual > > I usually first check the overview graphic which seems to be on page > B-4. I see the F terminal which could just be shorted to common to > activate it. The speed potentiometer is shown too. PWM could simulate > that. I also see theRS485 connector. I did a search in the document for > "485" and found page C-4, which shows some control options; terminal > (relay), keypad, RS485 (Modbus?), CAN (cool), communication(what the > heck?). Just below are some speed setting options. This should be a nice > VFD. > > A little farther down from B-4 are the I/O circuit options. Looking at > the F entry, it basically says shorting the F terminal to CC will start > forward rotation. You can use a parallel port pin to control a small > solid state relay or opto-isolator. It just needs to tolerate 24 Volts > on the output.
Yes that is what I said, there is no Enable, just Forward and Reverse, to be connected to CC > It looks like the VIA (voltage, input, analog?) is a speed input. The > same parallel port pin to solid state relay or opto-isolator as F above > may be used, except it only needs 10 Volt tolerence. Terminal PP is the > 10 Volt source (CC common isn't needed, most likely). The signal from > the parallel port pin should use PWM or PDM. >From the manual's figure (page C-13), the VIA is for an external potentiometer, or for a voltage input, the VIB is for a voltage input, and VIC is for current input. The input mode is programmable with the cnod/fnod parameters on the vfd > If you have a BOB (Break Out Board), post a make/model and/or picture or > other information. It may be useful for the above connections. > > It looks like page D-3 is a good place to start VFD programing. > > The above may be wrong or missing some information, so study the manual > and decide for yourself what to do. I would get a mains input noise > filter right of the bat, so you don't have to chase down weird issues > while trying to learn how to use your VFD. Hmm... It looks like your VFD > already has a built-in noise filter. It has a selectable noise filter (on/off) ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
