Messages

151

General Mach Discussion / Re: were can i find more I/O pins

« on: September 10, 2007, 02:07:48 PM »

Hey WAKO that is one cool avitar. DID you build it??? COuld you build me one like it only using a good looking PIG.

(;-) TP

Ok, show me a good looking pig! Hehe! Send me a pic, I will animate it for you!

Whacko

152

General Mach Discussion / Re: Charge Pump Signal Hiccup

« on: September 09, 2007, 01:44:54 AM »

You have to consider more causes than just Mach3. As I said before, it could be your system hardware, too little memory, threads running in the background, sloppy BIOS firmware, the list can go on and on. Software like Mach3 "asks" and "tries". It is the hardware and firmware that must give. Install Mach3 on another system, with minimum 512mb ram and no video sharing and check it again.

Whacko

153

General Mach Discussion / Re: Charge Pump Signal Hicup

« on: September 08, 2007, 05:32:46 PM »

I don't think this topic wants to die. I have found this true with different motherboards, some have it some don't. I picked up on this when I used a PIC12F629 to do just that. The best is to work around it. To do a pulse to pulse monitor of the chargepump is in most cases not neccesary. The best way to make sure the chargepump is running, is by capacitive or inductive decoupling. It cannot fail unless a physical event destroys the hardware.

Whacko

154

General Mach Discussion / Re: Please help me

« on: September 08, 2007, 01:33:47 PM »

You have to elaborate. How are you sequencing the step pulses to rotate the motor?

Whacko

155

General Mach Discussion / Re: were can i find more I/O pins

« on: September 08, 2007, 01:28:10 PM »

Hi Art,

It could be done, with very high data exchange rate. I didn't elaborate for the sake of those who asked. If you send two bytes with a control line indicating data direction you would resolve the data as a column and row matrix.

Whacko

156

General Mach Discussion / Re: Modbus protocol

« on: September 07, 2007, 05:09:25 PM »

Cool!

Whacko

157

General Mach Discussion / Re: Charge Pump Frequency

« on: September 07, 2007, 01:58:22 PM »

Its very easy if you use a capacitor decoupling circuit. Or driving a small signal transformer. The good part of it, it's tolerant of a huge frequency discrepancy.

Whacko

158

General Mach Discussion / Re: Modbus protocol

« on: September 07, 2007, 01:54:27 PM »

Check this link http://www.modbus.org/tech.php

Whacko

159

General Mach Discussion / Re: PLC

« on: September 07, 2007, 01:43:27 PM »

What is the model and make of your plc and has it got a serial modbus facility?

Whacko

160

General Mach Discussion / Re: were can i find more I/O pins

« on: September 07, 2007, 01:35:38 PM »

The same way as a printer interface. Look at the signals and their terminology. There are some well documented information on the three parallel port interfaces at this link under "Parallel port interfacing" on this page. The link is http://www.beyondlogic.org/. It could work that I know, the question is if Art would be willing to code for this facility. With other words, the 8 bits on the databus is a byte which could be resolved as 255 bits and can be implemented bidirectional.

Lets do an example:
The 8 bits out reads 0000 0001 and could mean 0000000000000000000............00000000000000001 (255 bits wide decoded) that is 1 of 255 or 01 of hex FF
or 1000 0000 would be 100000000000000000......000000000000000000000000 being bit 128 0f 255 is set and the hex number 80

If this don't make sense, I can explain more

Whacko