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Messages - Chip

General Mach Discussion / Re: machining splines causes lost steps?
« on: December 21, 2007, 09:02:07 PM »
Hi Marc

If it's not a mechanical error, Try reducing your F speed and reducing the Acceleration value for your Y axis, Under Motor Tuning.

Mach will cut the spline G-code, It just slows it down allot and may miss steps due at fast direction changes.

Is it vibrate the axis's allot ?

May be an inertia/mass issue, Is the Y axis carrying/moving your X Z axis's also ?

Just some Thought's, Chip

General Mach Discussion / Re: VERY SIMPLE STUPID QUESTION.
« on: December 19, 2007, 11:02:22 AM »
Hi, Beezerlm

Mach can retain the tool & work offsets, In your G-code you can call them, If your meaning of profile is G-code.

If your meaning of profile is Mach startup profile, Not sure if the Tools/Fixtures Data-files can be placed in a different  profile.

Hope this Helps, Chip

General Mach Discussion / Re: movement stops but dro says its still going
« on: December 18, 2007, 01:19:02 PM »
Hi, Sooperdrave

There should be a board/box that controls your A axis motor, Dose it have any lamp/led/indicator light that shows a fault when it fails to rotate.

What do you do to get it to re-start ?

Status line is on the bottom of the Program Run page/window.

Could you Post the G-code file your using ? Use the REPLY Button to the Right and Attach the feature.

Thanks, Chip

Hi, Bill

Your getting the Normal Condition flashing because you made some setting changes,  Double Click on the button.

A window will pop up, Just click Yes to reset, it'll then reset the button to normal green.

Yes to the script you added to your "ref all home" button.

On the Diagnostic page the Home/Limits are all in series, So when any switch is open all the leds will be on (yellow).

Thanks, Chip

Hi, Weedy

Yes, In Homing Mode, Mach nows which axis is moving, It's just looking for the  Switch to open, Then it Reverses the axis till the switch closes again.

In Limit Mode, Mach is looking for a switch to open to show a limit has been exceeded.

1 Pin, 6 Switches in series.

Thanks, Chip

General Mach Discussion / Re: VERY SIMPLE STUPID QUESTION.
« on: December 17, 2007, 08:00:10 PM »
Hi, Beezerlm

Yes, Most BOB use a 25 pin connector, So you need a 25pin M to 25pin F cable (normally called a Printer extender cable), Serial cables rarely use all 25 pins.

All though some BOB use a standard printer cable.

Yes, Most computers Lpt1 is the only one unless some one has added more Lpt's.

Hope this Helps, Chip   

Hi, Bill

Your use of 6 series wired NC switches, That's fine.

If I'm following your post's correctly your issue is, It's homing but will not move to the popper position after homing.

Home OFF setting, Just set's the DRO on the screen to the Home OFF Value you've set.

As I Understand It, Example:

For a 10X 10Y 10Z Table,  If you want all axises to Home and move to the Center of table and Zero Out.

If your Home All to -X -Y +Z "Home Switch's Pos", There are actually -5X  -5Y +5Z on the Table.

Set Home OFF to -5 -5 +5, then Add ( code "G00 x0 y0 z0" ), To the end of your "Reff. All"  Button's as below.

To add this to your buttons, Operator, Edit Button Script, Click on the "REF ALL HOME" button that's flashing,  Add the, code "G00 x0 y0 z0" , then X, Yes to save.

DoButton( 24 )
DoButton( 23 )
DoButton( 22 )
DoButton( 25 )

code "G00 x0 y0 z0"

Hope this Helps, Chip

Modbus / Re: A/B-1762-L40BWA FRN 11 & MODBUS Help !!
« on: December 17, 2007, 04:41:47 PM »
Hi, All

Illya on the Yahoo group sent a ModBus ModSlave.RSS file for the 1200 seres A/B PLC.

The file got me going, A little editing to do for inputs/outputs at some point. But I can read & write to the Plc now, Still unsure about proper start

addresses to turn on an output or see an input though and using the Input Register's and Holding Register's.

Have the online manuals for Ref., Lot's to Digest though.

Thanks, Chip

Modbus / Re: A/B-1762-L40BWA FRN 11 & MODBUS Help !!
« on: December 15, 2007, 11:30:32 PM »
Hi, Peter

This PLC has 24 Coils "0", 16 Contacts "1"

Need to now "Size (# of words)" (default is 1 Integer Words), or option, Binary Words. Is the default value Proper ?

It's also asking for # of Input Register's "3" and Holding Register's "4" and there word length, Haven't found them in the A/B spec. sheets 

Do you have any idea on these.

Thanks, Chip

Modbus / Re: A/B-1762-L40BWA FRN 11 & MODBUS Help !!
« on: December 15, 2007, 04:58:59 PM »
Hi, All

First time trying to interface a PLC to Mach3 ModBus, It's a A/B MicroLogix 1200, 1762-L40BWA FRN 11 .

It's talking to ModBus, But all I'm seeing is "Illegal Data Value", or "Illegal Function" on Mach3 ModBus Status: window/Line.

Using  RSLogix500 software with proper ver. for ModBus, Set to 1200 Ser. C, Bul: 1762.

OK: Duuuu Question, Dose the Ladder Logic have to be setup in the PLC before setting it nto ModBus Mode.

Any one have a Solution.

Thanks, Chip