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Thermal Overload
The threads that wouldn't die...
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
- PC reliability?
- Windows, real time
- PID loops
- PCs vs. PLCs
- Replacing people
- MS 'monopoly'?
- Software quality
- Where do we go from here?
- Why pay?
Fortune
Shaw's Principle:
Build a system that even a fool can use, and only a fool will
want to use it.
Build a system that even a fool can use, and only a fool will
want to use it.
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We are re-implementing the motion control of an astronomical telescope, and need to include complex calculations (in C code) into the position loop.
New Replies:
Thank you very much for spending your time and efforts... your views are most interesting, and very...
By M Griffin on 19 November, 2009 - 2:23 pm -
For each axis you will have a servo motor and drive. The motor will have its own encoder which will...
Hi,
Thank you very much for all the answers.
It is true that telescopes are mainly controlled...
By M Griffin on 18 November, 2009 - 6:33 pm -
The first thing I would do would be to ask the other observatories how they are running this...
Hello Wim:
Our controllers have been used for many years now on many of the large telescopes...
I need to make a .dll file so that you can open, close and view the status of the serial port.
New Replies:
By Satish on 13 November, 2009 - 3:41 am -
Hey I found this useful link. Just give it a try
...
Matlab vs C++ in interfacing with electromechanical industrial systems
New Replies:
By Tallak Tveide on 11 November, 2009 - 5:49 am -
The numbers were chosen based on that you might Get in trouble With garbage collection - a safe...
By M Griffin on 10 November, 2009 - 12:25 pm -
In reply to Tallak tveide: I'm not sure where you are getting your scan rate numbers from or what...
By Tallak tveide on 10 November, 2009 - 4:41 am -
Matlabs real time extensions to simulink run on dedicated hardware or compiles to fairly efficient...
By Hafsteinn on 9 November, 2009 - 9:52 am -
How easy is it to switch between? I mean if you know either one, will it be easier to learn the...
Hi everyone, I'm the "designated volunteer" that will need to make modification to a Modicon system.
New Replies:
Hi
below is a link for the Proworx nxt user guide :
...
Whenever I start Simatic Manager, a message windows "server busy" always pop out.
Need the manual to deal with ABB AC400 advant controller via on line builder software
New Replies:
By blue on 1 November, 2009 - 2:09 pm -
Go off forum and write to sales [at] workstationsexpress.com
Explain what manual you are looking...
Whenever I start Simatic Manager, a message windows "server busy" always pop out.
I need to convert my C++ code into S7 for siemens s7-300.
New Replies:
By Ed Wells on 24 October, 2009 - 12:33 am -
For using a nice version of C/C++, you might want to consider using a product line, like...
Question. How to convert S7 program to Mitsubishi.
http://www.control.com/1026224924/index_html
New Replies:
By CIO on 20 October, 2009 - 6:06 pm -
'Declare functions in the dynamic link library
'Declared functions: Centronic(), Inputbyte(),...
Problem reading weight using an rs232 serial port on a pc using VS2005 C#.
New Replies:
By Ian Finlay on 17 October, 2009 - 5:44 pm -
Hi Carlos,
post you string manipulation code here or send to me and see what can be done.
Do...
Need help with c script in wincc 5.1
New Replies:
Try this one.
int a;
a=GetTagBit("tag1");
if (a==1)
{
...
Need a PLC that runs on 12 volts and supports IEC 1131-3 Structured Text.
New Replies:
Beckhoff has a large range of controllers that use their Twincat IEC 6-1131 software, allow you to...
We need to talk to Crestron with a Beckhoff PLC, by using the Crestron read/write blocks
A question that has been on my mind for some time...
New Replies:
By Edwin on 22 September, 2009 - 1:08 am -
Its very bad that companies charging for their own software. There are Companies like Baldor will...
Need information on the Unity's connectivity
New Replies:
If you connected the NOE or the Processor Enet port to a switch (Yes you can program via the...
I hope this is a misunderstanding and that you mean if you can program the PLC from 2 different...
Hmmm...I am hoping that you meant that you want to have the ability to program the Quantum from...
The answer is NO. ONLY ONE USER AT A TIME!!
Also, I wonder how could somone be in 2 places at...
By chud on 2 September, 2009 - 7:46 am -
Why on earth would you want this feature? this can be very dangerous. What if two people are...
By Schneider Italy on 1 September, 2009 - 8:31 am -
No it isn't. One user at a time. If another one tried to connect, Unity would advise that the PLC...
Anybody have examples of reading/writing touchstone files in LabView?
Implemention of MODBUS application protocol specification
New Replies:
By M Griffin on 9 September, 2009 - 12:50 pm -
Your question is a bit ambiguous so I may not have interpreted your question correctly. However,...
Need to open two Solidworks files using VB6
New Replies:
By Ken Emmons Jr. on 3 September, 2009 - 8:18 am -
I would use your favorite search engine for VB6 shell command. There are loads of resources out...
Need help to learn basics of accessing process history databases through different programming languages (VBA, MATLAB, C++ etc..)
New Replies:
I am also in similar situation. I have WinCC v6.0 ( Siemens), Windows XP (Operating system) and...
The journals are accessible using sql through ODBC, they are in Oracle database tables.
The...
Your question depends on what the platform and design of the database. You need to clearly define...
By webber on 26 August, 2009 - 9:00 am -
Hello?
Since there has been no response I wonder if there is a more appropriate forum to post...
How can I configure USB port in VB
New Replies:
By keval on 15 August, 2009 - 7:24 am -
pls give me fast vb code if u have vb 205 usb code so please send to me.
keval_savanim [at]...
>Give me your e-mail address and I will send you some test source code in VB 6. <
I create...
DNP 3 versus Modbus
New Replies:
By Ken Ellerman on 11 August, 2009 - 2:49 pm -
I recently experienced a problem while trying to run the D20 after copying the configuration file...
I would like to read a text string from a device which connected to the serial port and save this string to a text file or in to a database..
New Replies:
By Umaima on 29 July, 2009 - 12:53 pm -
Hi there,
plz send me the source code in c for sending the data to the serial port. ...
I want to connect RS232 port using java to interface with micro-controller (8051).
New Replies:
By Mark on 7 July, 2009 - 4:17 am -
Hi,
I've found great tutorial for RS232 with Java programming that shows how to use RXTX library...
RS logix500 and Allen bradley micrologix 1100
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