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Messages - joeaverage

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1461
Mach4 General Discussion / Re: Startup Logic when sharing switches
« on: May 21, 2020, 02:54:11 PM »
Hi,

Quote
I guess the only automated way would be to wire each switch separately.

Yes, unless you are absolutely constrained as to the number of separate inputs then one limit per input, one home
per input is best. Despite the extra wiring is by far and away the least confusing too.

Craig

1462
Mach4 General Discussion / Re: Mach 4 and 5 Axis CNC
« on: May 21, 2020, 02:52:36 AM »
Hi,
good news, you won't be dissapointed....they really are light years ahead of any stepper.

I personally use two MB02's from Homann Designs in Australia. As I live in New Zealand its near enough to be
local....after all its only 2500 km away......no more that a brisk swim for a Kiwi...LOL.

A cheap and effective breakout board is the C25, at only $30.00. It has two ports developed (34 IO's).
Note however they are TTL level, that is 5V. The inputs to the Delta drivers are 24V, being the norm in industrial
equipment. Thus you will need to add a resistor and a transistor/mosfet to effect the level translation. I can help
with cicuit diagrams if you need.

Another alternative is to use a MB3 breakout board from CNCRoom at $180. It has all three ports developed (51 IO's)
and its outputs are 24V tolerant. You are (somewhat) constrained to the architecture that the manufacturer has provided
but is a well balanced mix of inputs and outputs and a mix of differential and single ended. It require but one 24V power
supply and supplies (on board) 5V to the ESS.

Modern AC servos are quite complex to set up and a vast array of parameters that you need to consider.
In most cases the manufacturer offers a way to plug the drive into a PC so that you can program the drive using
the manufacturesrs software, and is highly reccommended. You can program a Delta drive by button pushing
(four buttons) on the drive itself, a bit like programming a watch. It will drive you up the wall!!. Get the required
communication cable and use the software. The tuning aids alone make it worthwhile. I promise you....you will
be amazed by the flexibility and control that can be achieved with a modern AC servo.

Delta drives are programmed using an IEEE1390 plug, which can be wired in two ways, one of which can damage the
drive. I elected therefore to buy a genuine Delta accessory cable, of course you need only one cable and can program
many drives with it.

https://www.ebay.com/itm/NEW-ASDA-B2-AB-A2-rs232-ASD-CNUS0A08-PLC-Programming-Cable-HJ54-YD/173788498397?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2057872.m2749.l2649

This is a USB to IEEE1390, there are cheaper RS232 to IEEE1390 cables. Either way using the cable and the free software
is the correct way to get the best from your servos.

Craig

1463
Mach4 General Discussion / Re: Mach 4 setting up software I/O.
« on: May 21, 2020, 02:26:36 AM »
Hi,
the enables of all your drivers will have to be wired up.

Its traditional to use an output of the controller as an enable output and that output would enable ALL
your drivers. In your case you are so limited with the UC100 you may have to forgoe the enable contol
and wire thrm direct to a 5V supply to enable each driver.

Craig

1464
Mach4 General Discussion / Re: Mach 4 setting up software I/O.
« on: May 20, 2020, 03:30:39 PM »
Hi,
next question, do your drivers have an enable input?

Craig

1465
Mach4 General Discussion / Re: Mach 4 setting up software I/O.
« on: May 20, 2020, 03:28:33 PM »
Hi,
clear all the outputs in the Mach Control plugin OutputSignals page.

What you are doing is assigning pin 2 as Output#1 in one plugin and as X Step in the UC100 plugin.
So which plugin has control of the state of the pin? If the UC100 motion plugin requests that pin 2
pulse on and off to cause the motor to work and yet the Control plugin commands Output#1 to be 0,
who wins?

Craig

1466
Mach4 General Discussion / Re: Mach 4 setting up software I/O.
« on: May 20, 2020, 11:37:50 AM »
Hi,
OK you have in the UC100 plugin assigned the output pins 2-6 as motor outputs for
motors 0-3.

In your previous post you have assigned pins 2-7 as X, Y an Z limits and homes????
Firstly limits and homes are inputs....not outputs.

In Machs Control plugin on the OutputSignals page clear all the assignmements you have made
(X++,X--,Y++,Y--,Z++,Z--,XHome,YHome,ZHome).

That should allow you to control three motors. How do you want to controll the others?

Craig

1467
Mach4 General Discussion / Re: Mach 4 setting up software I/O.
« on: May 20, 2020, 01:03:38 AM »
Hi,
OK, they are not on the Mach Control plugin OutputSignals page so they must be on the UC100 plugin page.
Can you post a screen shot of the settings page/pages of the UC100 plugin?

I use the ESS and that will no doubt be different.

Craig

1468
Hi,
Machs parallel port WILL NOT RUN under Windows 10, it requires 32 bit Windows 7 or earlier.

Craig

1469
Mach4 General Discussion / Re: Mach 4 setting up software I/O.
« on: May 19, 2020, 09:58:36 PM »
Hi,
if I understand you are using a UC100?

A UC100 is limited to one ports worth of IO, so pins 1,2-9,14,16 and 17 are outputs while pins 10,11,12,13 and 15 are inputs.

You have barley enough outputs for step and direction  outputs to six motors and that does not allow any output pins for the spindle
nor enable pins.

Second issue you have (in your screen shot) you have assigned X++, X--, Y++,Y-- etc as OUTPUTS????? Limit switches are
INPUTS to Mach, not outputs.

Your step/direction signal are Mach outputs, if you scroll down the OutputSignal page you will find the Step/Direction outputs to each motor.

To be honest I think that you are too IO limited with a UC100, you need an Ethernet SmoothStepper or a UC300.

Craig

1470
Mach4 General Discussion / Re: Mach 4 and 5 Axis CNC
« on: May 19, 2020, 09:44:16 PM »
Hi,
given that you have 34 size steppers currently I would look at 750W Delta B2 series or A2 series servos which are also 34 size.
I suspect the shaft size will be bigger but a Delta servo should bolt in the existing mount.

A 750W servo rated to 3000 rpm has a continuous rated torque of 2.4Nm and an overload of 7.2Nm.
Your existing steppers have a holding torque of 7.5Nm. Servos have very generous overload capacity and seem to punch
above their weight, and I would expect 750W to be plenty.

There are some calculations that would help but you need fairly detailed numbers from you machine before the calculations
offer any real insight. You need the ballscrew diameter, length and pitch, the axis mass and any gear or belt reduction you want to use.

Craig

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