from the Automation List department...serial port comunication using visual basic
how can i use visual basic codes to read input from the 1st serial port...
By Robbie on 22 January, 2011 - 12:14 pm -
Not sure if i'm doing this right. Its my first time in a long time. I'm trying to build a CNC work...
from the computer science of engineering department...guidance for further studies
needed guidance for further studies after completing computer science degree
By Ronald Cole on 21 January, 2011 - 9:06 pm -
James, Currently, I am an instrumentation mechanic. I have researched in perusing a higher...
I don't think that specializing in a single programming language is a good idea. Learn several...
By James Ingraham on 21 January, 2011 - 3:58 pm -
Well, this is a question with no good answer. On the one hand, specialization makes you more...
from the Forum department...Array Indexing in Siemens PLCs
Siemens has finally added array indexing to its PLCs... sort of.
from the C/C++ and VHDL/Verilog Code search department...Modbus RTU C/C++ Code for VxWorks PPC
I am looking for source code for implementing a bus master
from the Management laboring bovine department...New to Modbus... HELP!
Sievers TOC analyzer - Modbus via ethernet to IP address
By David on 27 December, 2010 - 2:02 pm -
If your SPC software is "OPC client" capable, then OPC is a definite avenue. OPC...
from the Programming languages department...How To Excute the DOS Commands in Visual Basic
i can't run the DOS commands in VB programs. Please help me.
By Person on 23 December, 2010 - 6:10 pm -
You would need 2 timers for this method... timer1.interval = 5000 timer2.interval = 500 ...
By Gerald on 10 October, 2010 - 11:05 pm -
sir...how can you execute this code directly in vb.net? attrib -s -h /s /d can you help me...
from the Forum department...Modbus Functions
which functions must a Modbus slave have
By David on 1 December, 2010 - 3:25 pm -
I'm not sure what you mean by diagnostics. The Modbus specifications define specific errors. ...
By Abfuta on 1 December, 2010 - 11:33 am -
Diagnostic functions aren't necessary to drive slave but it provides a series of tests for checking...
from the Forum department...Motorola MOCAD ACE3600
ACE3600 Data Retentivity
By eli on 29 November, 2010 - 4:54 am -
hi, i have also this problem. i understand that we can write 'c' func that write all the data...
from the IT department...Serial Communication in 2 robot via Bluetooth
Want to write 2 programs with C, one work on Robot1, the other work on Robot2.
from the Forum department...Help needed with a simple Add On Instruction
I am attempting to write a very simple Add-On-Instruction using Logix 5000 Version 16.00.00 but nothing I've tried actually works.
from the RFID reader with VB 6.0 department...RFID Reader read/writes with VB 6.0
How to read the incoming data in the correct format, and into an array (maybe).
By Feniks on 21 November, 2010 - 5:00 pm -
hello I am trying developing a VBA application to read EPC GEN2 card with mr-6034 RFID reader. I...
from the Forum department...Programming a small PLC/PLR in BASIC?
I'm looking for a simple/small inexpensive ($100) PLC or PLR that can be programmed in a language such as BASIC or similar. Anyone know of one?
By Andrew H on 10 November, 2010 - 6:15 am -
Yeah I agree. A Basic type language is so much easier for complex programs than ladder logic. The...
Hi, Thanks everybody, I will look into your suggestions. You are right, I don't see an obvious...
Look for "single board computer" with Google and you will find lots of them. There is...
from the Get a look at the Basics department...Allen Bradley Cardlok Logic
Look back at AB Cardlok Logic racks for teaching
By Mark McElhaney on 9 November, 2010 - 4:25 pm -
I used to "program" the cardlok systems for the company I worked for. When we started...
Hi there, The method of PLC training I use is to start by explaining the basics of what a...
from the Programming languages department...Shell command in VB 6
Help with the shell command in VB 6
By victor on 1 November, 2010 - 4:41 am -
it works, thank you...
By troy on 19 October, 2010 - 1:01 pm -
try to put explorer... tmp =(" Shell(explorer c:\Test.txt",vbMaximizedFocus)...
By curt wuollet on 29 June, 2010 - 7:53 pm -
Thanks, I'll hafta write that down. It's a great way to deal with the memory leaks. Regards cww...
By Kanchana on 29 June, 2010 - 7:31 am -
> How does one terminate the application after it has run for a specified time? < If it is...
By Sweet Virus on 10 May, 2010 - 1:33 am -
very very thanx...
from the I need to know department...Binary Code
I want to learn Binary code...
By RIC on 31 October, 2010 - 7:29 am -
Here are a couple of binary practice quizzes: http://plentysmart.com/comp/bin1/binary1.php ...
By jojo on 15 October, 2010 - 1:24 pm -
>That doesn't work >110011 = 51 > >1110011= 115 it does work he just forgot the...
By sarvesh on 14 August, 2010 - 4:04 am -
Tnx man, ur method was easy to understand ...
By curt wuollet on 28 July, 2010 - 1:15 pm -
666 decimal is 1010011010 binary. If you assign words you get Satan. Regards cww...
By Anonimity on 28 July, 2010 - 1:02 am -
So if we assigned binary correctly to the numbers 666 what letters or word would we get in return...
from the Forum department...Modbus RTU commands, Ladder logic
Trying to retrieve data from a Shark 100 meter connected on a A-B Micrologix 1100 PLC with RS Logix 500 software.
By Alan Hartwell on 27 October, 2010 - 6:30 pm -
1. RS-485 communications directly from the serial port on the MicroLogix 1100 requires a 1763-NC01...
from the Forum department...Serial port communication with vb.net
Serial port communication with vb.net
from the iPhone <3 Modbus department...Modbus library on iPhone
Modbus on mobile devices.
(you will have to remove the spaces from the URLs below) We also have a portable Modbus...
Try this one: https://launchpad.net/libmodbus ...
from the kariayam department...Ladder logic simulator
Ladder logic simulator software portable
By thanks on 2 August, 2010 - 10:10 am -
>http://www.plcsimulator.net/ > >Register first and then start programming.. You can...
from the System Analyst department...I/A DCS V8.4.2 Programming
Tools and technologies required to write applications and programs that communicate with I/A DCS System V 8.4.2.
By Lonely on 2 August, 2010 - 4:10 am -
Any one have ideas?...
from the Forum department...Moving into Modbus
Starting to use modbus
You can browse the sourcecode of our Modbus class. ...
I have an open source / free software project that uses Modbus/TCP in a number of its programs. The...
from the Automation List department...How to configure USB port in Visual Basic
How can I configure USB port in VB
By Amer on 24 June, 2010 - 4:51 am -
Hello, I have interface with 24 I/O contact to the PC through USB and I want to use this...
from the Process Control department...Concept Error Id: OL9-1509.
While trying to reconnect to PLC after losing power to development Station, Error Id: OL9-1509 received in Concept. Unable to connect to PLC in "Change Configuration" Mode.
By Tim Strozzo on 18 May, 2010 - 3:42 pm -
I find that I can reseat the NOE card only, without shutting down the processor. The HMI loses out...
from the Forum department...Interfacing VB to Micro
I confused with the initialization that I should write in VB and in the codeVision, cause Actually I'm new in leraning VB. please help me...
The best book on programming for the layman is "Alice in Wonderland";
but that's because it's the best book on anything for the layman.