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Submitted on: 2/15/2002 12:30:07 AM
By: Tom DeWitt
Level: Intermediate
User Rating:
By 19 Users
Compatibility:VB 6.0
Users have accessed this code 27000 times.
| (About the author) |
| | | The reason I wrote this app was to allow me to communicate with a PLC via a serial port. It allowed me to send data t the device and then read the response from the device basically to ensure that I was sending the right data and that I was getting the correct response from the device.
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| Other User Comments |
 2/15/2002 8:53:30 AM: Zaphod
Any ideas, on how to apply this to an IRda Serial Port?
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2/16/2002 10:18:05 AM: ~ : . Jeff 'Capes' . : ~
what kind of PLC you used/using with this application?!
Siemens S7?
Please let me know ...
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2/16/2002 4:24:07 PM: Jay
Max. BALLS my friend !
Well done and thanx for sharing this with us.
Jan
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2/18/2002 2:50:50 PM: Robb Stark
Tom, I would like to talk to you concerning this submission and a project I am working on using PIC microcontrollers and serial comm.
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3/16/2002 12:40:42 PM: VBCOMM Mania
This is neat! :) thank you for sharing this code!
:)
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4/2/2002 6:06:27 AM: Ronald
This is of great help. Thanks for sharing it with us...
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12/3/2002 11:44:11 AM:
I was curious, would this work with a plc-5 allen bradley
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1/2/2003 12:21:42 AM:
can i change the ports in the middle of the testing. btw if i want to add a rebuild button in the programme. how do i go about doing it
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7/24/2003 11:51:26 AM:
I was wondering if there is anyway to adapt this to ethernet communication with an allen bradley RsLogix PLC? Any help would greatly be appreciated.
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6/10/2004 12:11:50 AM:
Great Submission,
Thanks I found it usefull.
But I would like to ask you some information regarding MultiPort Adapter
(e.g Digiboard etc). Let say I have 6 (six) RS485 as slave connected to one RS232 on a PC as master. The Multiport has its own driver but how we can read the data from all the slave ( six RS485)?
Have you ever face the situation before?
Thanks In Advance
Robby
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8/25/2004 7:32:44 PM:
First of all, your application has been been very usefull. I've tested your App with 2 computers and it works great. See, I'm a programmer for CompuRedpr.com and my recent task is to communicate with a Spectrofotometer (Science Lab Equip.) through the serial port. Today I tested the communication with your SerialCom App but I recieved a communication error from the Spectrofotometer. I have the RS-232-C
specifications : baudrate(9600), parity(none), and port(COM1); these are the defaults on the Spectro. However, the communication was unsuccesful. I think that the data sent from the Spectro is in ASCI format. Anyways, sinse you seem to have a strong feed back on serial communication, I wanted to ask you for a little guidance, hopefully you can help me out. I've asked my Proffessors and Instructors but they don't seem to fully understand the serial communication programming.
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6/20/2005 9:20:46 AM:
how i do to send a text file with you proyect at scale cas port serial, please help me
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12/24/2005 9:33:01 PM: Brad D. Harper
I found this code very useful for a hardware interface project I am working on. Thank you very much.
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1/24/2006 5:19:02 AM: Jan
I tryed to run your program. But I recieved a fauld message. In the sub form load. Line "optPort(iX).Visible = True" Control array element '6'(iX) does not exist.
Can you have look at it and see how it can be changed.
Thanks
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11/16/2007 7:32:14 PM: Gary Wilhelm
Very handy tool. Great code.
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12/2/2008 12:38:41 AM: Kenny28
Your code looked perfect for what I needed to do however I use vb .net 2003 and the upgrade engine failed horribly :(
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