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Re: Gecko G540
开云体育Thank you Steve.? That's the information I was looking for.? ? In fact I'm surprised that they are stating 10V for the input supply voltage since even rail to rail op-amps don't quite get to the rail unless they have some very expensive parts.? But I can see how it's harder to specify 12V and then have someone use a 12V wall wart that floats unloaded at 16V. ? I've attached my reverse engineered schematic of the cheapie far east BoB that has PWM from the DB-25 pin 1.? The LM358 won't go down to zero either but then most VFDs tend not to turn the AC motors much below about 10% anyway so I doubt it matters.?? They also limit the output voltage to no more than 10V by using a 10V supply on the op-amp. ? Partly why I went step/dir for my spindle AC/Servo and 1 RPM is trivial with a S1 M3 G-Code. ? Thanks again John ? ? ? From: [email protected] [mailto:[email protected]] On Behalf Of Steve Stallings
Sent: March-16-23 6:05 PM To: [email protected] Subject: Re: [MachCNC] Gecko G540 ? Well, sort of...... |
Re: Gecko G540
Well, sort of......
The circuitry works better at 10 or 12 volts, but it will function at 5 volts. The issue is that the output range is limited to between approximately Gnd plus about 0.3 volts and Supply Voltage minus 0.6 volts. This does not change as you lower the supply voltage so the limitation gets worse percentage wise as the supply voltage is reduced. If you need better results you could provide an isolated 12 volt supply and then use a resistor divider on the output to scale the range to 0-5 volts. The circuit also uses an active filter to help smooth out the PWM frequency more than a capacitor alone would smooth it. |
Gecko G540
开云体育I realize this isn't completely a MACH question but many MACH users have G540's connected to their systems. ? The VFD pins are the ones I'm wondering about.??? The specs say optically isolated PWM.? Is this as simple as an opto-isolator on Pin14 of the DB-25 and a capacitor connected to the output transistor to create the DC from a PWM output? ? Instead of 10V (Max 12V according to the data sheet) to the VFD-10V input POS9 on the terminal strip if instead 5V was connected would an end user see 0-5V voltage for 0 to 100% PWM? ? For connection to a DC motor spindle driver. Thanks John |
Re: MACH4 and Lathe Spindle encoder
开云体育Nothing that I noticed, but I didn’t really try to find any differences either. ? Threading (once they finally made it work) was fine with either method. ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer
Sent: Thursday, March 16, 2023 6:03 PM To: [email protected] Subject: Re: [MachCNC] MACH4 and Lathe Spindle encoder ? Thanks. Did you find any difference in behavior? John ? From: [email protected] [mailto:[email protected]] On Behalf Of Andy Wander ? I ran Mach4 for years using a single-pulse setup. I only changed to an encoder a few years back ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer ? It's just I had a question on how hard to migrate from a MACH3 1 PPR to a MACH4 system and whether mechanical and electrical changes were required to use MACH4 due to a quadrature encoder requirement for RPM measurement.? ? Back in the days of single parallel port it was an issue due to lack of inputs and horrendous prices of quadrature encoders.? ? John ? From: [email protected] [mailto:[email protected]] On Behalf Of Andy Wander ? It works either way, unless something has changed in the last few years ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer ? Can MACH4 Lathe still work with only a 1PPR spindle sensor or does it now require a full quadrature encoder and Index pulse? |
Re: MACH4 and Lathe Spindle encoder
开云体育Thanks. Did you find any difference in behavior? John ? From: [email protected] [mailto:[email protected]] On Behalf Of Andy Wander
Sent: March-16-23 3:01 PM To: [email protected] Subject: Re: [MachCNC] MACH4 and Lathe Spindle encoder ? I ran Mach4 for years using a single-pulse setup. I only changed to an encoder a few years back ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer ? It's just I had a question on how hard to migrate from a MACH3 1 PPR to a MACH4 system and whether mechanical and electrical changes were required to use MACH4 due to a quadrature encoder requirement for RPM measurement.? ? Back in the days of single parallel port it was an issue due to lack of inputs and horrendous prices of quadrature encoders.? ? John ? From: [email protected] [mailto:[email protected]] On Behalf Of Andy Wander ? It works either way, unless something has changed in the last few years ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer ? Can MACH4 Lathe still work with only a 1PPR spindle sensor or does it now require a full quadrature encoder and Index pulse? |
Re: MACH4 and Lathe Spindle encoder
开云体育I ran Mach4 for years using a single-pulse setup. I only changed to an encoder a few years back ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer
Sent: Thursday, March 16, 2023 5:43 PM To: [email protected] Subject: Re: [MachCNC] MACH4 and Lathe Spindle encoder ? It's just I had a question on how hard to migrate from a MACH3 1 PPR to a MACH4 system and whether mechanical and electrical changes were required to use MACH4 due to a quadrature encoder requirement for RPM measurement.? ? Back in the days of single parallel port it was an issue due to lack of inputs and horrendous prices of quadrature encoders.? ? John ? From: [email protected] [mailto:[email protected]] On Behalf Of Andy Wander ? It works either way, unless something has changed in the last few years ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer ? Can MACH4 Lathe still work with only a 1PPR spindle sensor or does it now require a full quadrature encoder and Index pulse? |
Re: MACH4 and Lathe Spindle encoder
开云体育It's just I had a question on how hard to migrate from a MACH3 1 PPR to a MACH4 system and whether mechanical and electrical changes were required to use MACH4 due to a quadrature encoder requirement for RPM measurement.? ? Back in the days of single parallel port it was an issue due to lack of inputs and horrendous prices of quadrature encoders.? ? John ? From: [email protected] [mailto:[email protected]] On Behalf Of Andy Wander
Sent: March-16-23 2:31 PM To: [email protected] Subject: Re: [MachCNC] MACH4 and Lathe Spindle encoder ? It works either way, unless something has changed in the last few years ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer ? Can MACH4 Lathe still work with only a 1PPR spindle sensor or does it now require a full quadrature encoder and Index pulse? |
Re: MACH4 and Lathe Spindle encoder
开云体育It works either way, unless something has changed in the last few years ? From: [email protected] <[email protected]> On Behalf Of John Dammeyer
Sent: Thursday, March 16, 2023 5:02 PM To: [email protected] Subject: [MachCNC] MACH4 and Lathe Spindle encoder ? Can MACH4 Lathe still work with only a 1PPR spindle sensor or does it now require a full quadrature encoder and Index pulse? |
MACH4 and Lathe Spindle encoder
开云体育Can MACH4 Lathe still work with only a 1PPR spindle sensor or does it now require a full quadrature encoder and Index pulse? |
Re: Mach3 Modbus/Win10 problem
开云体育I have found that if your computer has trouble letting you use an Arduino comm port rebooting the system fixes it for me. ? From: [email protected] <[email protected]> On Behalf Of c.bellee
Sent: March 12, 2023 4:23 PM To: [email protected] Subject: Re: [MachCNC] Mach3 Modbus/Win10 problem ? Yes I veryfied and it is recognized as a Com port (Arduino Tool Kit was already installed). Le 12/03/2023 à 21:36, John Dammeyer a écrit?:
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Re: Mach3 Modbus/Win10 problem
开云体育Yes I veryfied and it is recognized as a Com port (Arduino Tool Kit was already installed).Just tried to change the USB port but still the same, modified the Com3 to Com4 label and still the same... Thanks for the help. Le 12/03/2023 à 21:36, John Dammeyer a
écrit?:
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Re: Mach3 Modbus/Win10 problem
开云体育BTW. The screen shot attachment links are at the bottom of my posting. ? From: [email protected] [mailto:[email protected]] On Behalf Of John Dammeyer
Sent: March-12-23 1:34 PM To: [email protected] Subject: Re: [MachCNC] Mach3 Modbus/Win10 problem ? For example.? I took a fairly new WIN-10 system that had been upgraded from WIN-7.? Even has MACH3 on it although I don't use it. I plugged in an ESP32 DevKit1 and came up with the screen that shows it's got problems being recognized.? Unplugged it. Next I went to the Arduino web page and downloaded the older 1.8 version of the Arduino IDE. It downloads the .exe installer and then I answered yes to the various device drivers near the end. When it was done I plugged in the ESP32 DevKit1 again and this time it shows up as COM5. Now the device is recognized and likely MACH3 won't have a problem. John ? ? ? From: [email protected] [mailto:[email protected]] On Behalf Of John Dammeyer ? Ok.? Bring up the device manager and see if the aeduino shows up as a serial port or under USB devices as unknown. If unknown you can try installing the Arduino IDE which will likely install the proper device driver. ? ? ? Sent from my Samsung S10 ? ? -------- Original message -------- From: "c.bellee" <c.bellee@...> Date: 2023-03-12 12:26 p.m. (GMT-08:00) Subject: Re: [MachCNC] Mach3 Modbus/Win10 problem ? This is just a USB arduino connection... Le 12/03/2023 à 18:33, John Dammeyer a écrit?:
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Re: Mach3 Modbus/Win10 problem
开云体育For example.? I took a fairly new WIN-10 system that had been upgraded from WIN-7.? Even has MACH3 on it although I don't use it. I plugged in an ESP32 DevKit1 and came up with the screen that shows it's got problems being recognized.? Unplugged it. Next I went to the Arduino web page and downloaded the older 1.8 version of the Arduino IDE. It downloads the .exe installer and then I answered yes to the various device drivers near the end. When it was done I plugged in the ESP32 DevKit1 again and this time it shows up as COM5. Now the device is recognized and likely MACH3 won't have a problem. John ? ? ? From: [email protected] [mailto:[email protected]] On Behalf Of John Dammeyer
Sent: March-12-23 12:47 PM To: [email protected] Subject: Re: [MachCNC] Mach3 Modbus/Win10 problem ? Ok.? Bring up the device manager and see if the aeduino shows up as a serial port or under USB devices as unknown. If unknown you can try installing the Arduino IDE which will likely install the proper device driver. ? ? ? Sent from my Samsung S10 ? ? -------- Original message -------- From: "c.bellee" <c.bellee@...> Date: 2023-03-12 12:26 p.m. (GMT-08:00) Subject: Re: [MachCNC] Mach3 Modbus/Win10 problem ? This is just a USB arduino connection... Le 12/03/2023 à 18:33, John Dammeyer a écrit?:
? |
Re: Mach3 Modbus/Win10 problem
开云体育Ok.? Bring up the device manager and see if the aeduino shows up as a serial port or under USB devices as unknown. If unknown you can try installing the Arduino IDE which will likely install the proper device driver. Sent from my Samsung S10 -------- Original message -------- From: "c.bellee" <c.bellee@...> Date: 2023-03-12 12:26 p.m. (GMT-08:00) Subject: Re: [MachCNC] Mach3 Modbus/Win10 problem Le 12/03/2023 à 18:33, John Dammeyer a
écrit?:
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Re: Mach3 Modbus/Win10 problem
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Re: Mach3 Modbus/Win10 problem
开云体育How are you connecting to the MODBus?? A USB dongle that acts as a serial port or a physical serial port? After WIN-7 Microsoft disallowed most USB PID combinations unless the owners paid $5k or so for the right to have their configuration approved. ? From: [email protected] [mailto:[email protected]] On Behalf Of c.bellee
Sent: March-12-23 7:17 AM To: [email protected] Subject: [MachCNC] Mach3 Modbus/Win10 problem ? Hi, |
Mach3 Modbus/Win10 problem
开云体育Hi,Trying to move my Mach3/Ess from Win XP to Win10, I get an "Error triggered" "Art Code 1" and "Art Code 9991" at the startup. If I create a new profile by cloning my working profile, everything works fine the first start (even the Modbus logic) but the second time I get the error again. If I uncheck "Modbus InputOutput Support" before Exiting evrything works as normal the next Start. I reinstalled everything from scratch but still the same, seems to be a Modbus/Win10 problem... Mach version is : 3.043.062 Any idea ? Thanks. Chris |
Re: Forgot how to change spindle direction
开云体育I did that on my lathe. I couldn't work out why the finish was so
bad. :) Cheers,
Peter
On 4/03/2023 3:19 pm, SCMWCAD1 wrote:
-- ----------------------------------------------------------------------------- Web : email : groups@... Phone : +61 421 601 665 |
Re: Forgot how to change spindle direction
开云体育Nevermind. I forgot that I wired in a switch a few years ago. Doh! ? ? Sent from for Windows ? From: SCMWCAD1 via groups.io
Sent: Friday, March 3, 2023 10:03 PM To: [email protected] Subject: [MachCNC] Forgot how to change spindle direction ? Hi Everyone, ? I haven’t used my mill in a while. I’m trying to cut some stock and noticed that my spindle is running backwards. How can I change the direction of rotation? ? Thanks, ? Terry ? ? ? Sent from for Windows ? ? |