Welcome to Control.com, the global online community of automation professionals.
Control.com - Nerds in Control
Member Login
Search
Jump to a Date
Sponsored Communities
Cool stuff
Neat Stuff
Visit our shop for nerds in control lifestyle products.
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
What is mind? No matter.
What is matter? Never mind.
-- Thomas Hewitt Key, 1799-1875
What is matter? Never mind.
-- Thomas Hewitt Key, 1799-1875
RSS Feed
Use this link to get an RSS feed of the Control.com article flow, for private, non-commercial use only:www.control.com/rss/
To get a personalized feed, become a member at no cost.
Posts from...
Monday, October 20, 2008
difference between Modbus Comm and Profi bus?
New Replies:
By RJ on 20 October, 2008 - 8:36 pm -
By RJ on 20 October, 2008 - 8:36 pm -
Modbus runs on RS-485 or Ethernet via a TCP/IP wrapper (also RS-232, 422 etc.). Modbus supports...
By Don Lupo on 20 October, 2008 - 11:39 am - Acromag offers videos and white papers on Profibus and Modbus. Here is the link to find them:
...
By dchartier on 20 October, 2008 - 3:25 am - Hello ganesh;
You can look at these different sites:
Profibus:
...
an automatic control of gradient pressure between furnace and MS.
New Replies:
By Roy Matson on 20 October, 2008 - 7:44 pm -
By Roy Matson on 20 October, 2008 - 7:44 pm -
I assume you have some form of pressure transmitter to measure the pressure and your GC runs on a...
DeltaV OPC Mirror OPC Server for odbc
New Replies:
By Juan Carlos Ipiales on 20 October, 2008 - 5:16 pm -
By Juan Carlos Ipiales on 20 October, 2008 - 5:16 pm -
You need choose HDA option on Matrikon GDA. Do not choose DA option. I always work with DeltaV and...
Mark V HMI upgrade possibility?
New Replies:
By CSA on 20 October, 2008 - 4:30 pm -
By CSA on 20 October, 2008 - 4:30 pm -
dimster,
(a) Any idle times less than about 10% seem to be problematic, but that's just a...
Process Controllability Question
New Replies:
By CSA on 20 October, 2008 - 4:26 pm -
By CSA on 20 October, 2008 - 4:26 pm -
Have you asked Woodward? They would be the best people to ask about back-pressure's effects on the...
communicate plc and temperature controller from different make and having different protocols
New Replies:
By aggattapauer on 20 October, 2008 - 3:12 pm -
By aggattapauer on 20 October, 2008 - 3:12 pm -
What PLC?
If the PLC supports Modbus RTU for sure it supports Modbus ASCII too.
You need...
By Jerry Miille on 20 October, 2008 - 11:57 am - The MARC Multii-Port can make this translation for you. Click this link for a datasheet...
I need to connect a PC to RS232(RJ11) port on the FANUC PLC with CPU 363 using Modbus RTU protocol...
New Replies:
By Kevin Grey on 20 October, 2008 - 2:43 pm -
By Kevin Grey on 20 October, 2008 - 2:43 pm -
Hi,
The last time I used Modbus on the 90-30 I used a Horner Modbus card although this was as...
What end of the shielded cable is supposed to be grounded.
New Replies:
By Don Lupo on 20 October, 2008 - 2:12 pm -
By Don Lupo on 20 October, 2008 - 2:12 pm -
Here is a link to a terrific article published by EDN Magazine in August, 1996. It's titled 10...
Need information about Modbus Communication on RS-232.
New Replies:
By Darrin Hansen on 20 October, 2008 - 11:18 am -
By Darrin Hansen on 20 October, 2008 - 11:18 am -
It's not clear from your desired configuration whether you want your Modbus/TCP device to actively...
I am trying to clear a fault from a old industrial PLC that has an OEM program that I do not have the software to troubleshoot. The OEM is a German company and will offer no support other than to replace the processor with a new one.
New Replies:
By Lars on 20 October, 2008 - 11:09 am -
By Lars on 20 October, 2008 - 11:09 am -
Fault 41 is a communication fault with in one of the Input/Output cards. With a PC you can read the...
Implementation of MODBUS communication between Omni Flow Computer 6000 and Honeywell TDC-3000
New Replies:
By Fred Loveless on 20 October, 2008 - 9:07 am -
By Fred Loveless on 20 October, 2008 - 9:07 am -
The Omni Flow uses the Enron Modbus protocol. In the Enron Model you have 32 bit registers rather...
How do we connect SCADA and MES?
New Replies:
By Fred Loveless on 20 October, 2008 - 8:54 am -
By Fred Loveless on 20 October, 2008 - 8:54 am -
There are at least 20 different methods that I have seen to accomplish this. They range from...
By madhav on 20 October, 2008 - 2:08 am - I need to give a seminar, title connecting level 2 (SCADA) to level 3 (MES), a primer... so...
Unity help file: DANGER, UNEXPECTED OUTPUT BEHAVIOUR
New Replies:
By Robert Mehlman on 20 October, 2008 - 8:38 am -
By Robert Mehlman on 20 October, 2008 - 8:38 am -
I use only MAST sections. So is it possible to USE ALL THE FUNCTIONS with similar warnings in MAST...
Advantages and disadvantages of Ovation control system
Problems with Lamp test.
How can I print from MarkV rungs?
Adopter cables for S5 to S7 conversion
How to read data from Actaris SL7000 energy meter
New Replies:
By Balagopal on 20 October, 2008 - 4:09 am -
By Balagopal on 20 October, 2008 - 4:09 am -
Kalkitech offers library usable with VB to read from DLMS meters.
Best Regards,
Balagopal
...
I need help to convert from protocol IEC 62056-21 to MODBUS or DNP, it's for a thermoelectrical plant.
New Replies:
By Balagopal on 20 October, 2008 - 4:06 am -
By Balagopal on 20 October, 2008 - 4:06 am -
Kalkitech offers DLMS to MODBUS/DNP protocol converter.
Best Regards,
Balagopal
email:...
Is there anybody who has experience with the related protocol?
New Replies:
By Balagopal on 20 October, 2008 - 4:00 am -
By Balagopal on 20 October, 2008 - 4:00 am -
Kalkitech offers Source code libraries and other services on DLMS/COSEM space.
Best Regards,
...
how can I convert a Modbus isolated RS485 to RS232? How can I communicate it?
The aim is to design a robust optimal controller which is then intended to drive the system to follow the prescribed trajectory and guarantee the stability of the closed-loop system.
Need help to solve communication problem.
How to connect MODBUS based HMI to redudant Siemens CPU 315-2DP.
Communication between Omni Flow Computer 6000 and Honeywell TDC-3000 through HPM-Serial Interface
How can I configure USB port in VB
New Replies:
By Lim Choon Kiat on 20 October, 2008 - 12:08 am -
By Lim Choon Kiat on 20 October, 2008 - 12:08 am -
Hi there,
I went to the site to download driver version 2.04.06. (It comes with the file...
Diaphragm seal level tx
New Replies:
By Issac on 20 October, 2008 - 12:06 am -
By Issac on 20 October, 2008 - 12:06 am -
Guys can't attempt to stand on the radial mounted capillary (pancake style) to reach something,...
Your use of this site is subject to the terms and conditions set forth under Legal Notices and the Privacy Policy. Please read those terms and conditions carefully. Subject to the rights expressly reserved to others under Legal Notices, the content of this site and the compilation thereof is © 1999-2008 Control Technology Corporation. All rights reserved.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Patronize our advertisers!