Member Login
Search
Jump to a Date
Sponsored Communities
Cool stuff
Twitter Feed
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
"Life to you is a bold and dashing responsibility"
-- a Mary Chung's fortune cookie
-- a Mary Chung's fortune cookie
RSS Feed
www.control.com/rss/
To get a personalized feed, become a member at no cost.
How to create a pulse timer in Allen Bradley
New Replies:
A simple way to use is "One Shot" instruction in front of a timer. AB calls the one shot...
By William Sturm on 8 November, 2009 - 8:11 pm -
Easy, as long as I am understanding the pulse timer correctly. In the AB world, use a TON (on...
Hi Every one I wanna knw hw to configure the W@de RTU W315 for GPRS modem.
I want to be able to transfer system configuration data from the Beckhoff TwinCAT System Manager .tsm file to a drawing package (terminal type, channel names, connections, comments).
New Replies:
By 3PV on 8 November, 2009 - 12:03 pm -
try selecting the fieldbus (Device) in the tree view on the left side of tsm. enable 'Show Sub...
I have some problems on the TCI.
it stops when the operating system of the HMI start.
it stops when the operating system of the HMI start.
New Replies:
Dear Mr. CSA
can you send me your e-mail so we can talk without any delays
and I will do...
Ahmed Ali,
I really don't understand the problem. I saw your 'photo album' and I've re-read your...
CSA please can you check my problem again.....
Dear all please,
in the TCI log I found this message
LICENSE KEY MISSING: TCI requires a...
Dear Mr. Damon
can you go on:
start>all programs>GE Control System...
MBA project- Gathering information on what aging automation systems are present in plants and the mechanism to dispose of no longer used parts.
New Replies:
By David on 7 November, 2009 - 10:25 am -
In IE 7, the URL you provided went to the homepage of the survey provider, it did not go to your...
Siemens S7 programming
New Replies:
By curt wuollet on 7 November, 2009 - 2:29 am -
Hi Michael
Yes, if I were reaching hard for nice things to say about step 7, I do concur that it...
By M Griffin on 6 November, 2009 - 3:53 am -
In reply to curt wuollet:
I would say the Siemens Step-7 software is quite good (by the...
By curt wuollet on 5 November, 2009 - 3:01 pm -
Of course, there is nothing preventing Siemens from making decent pragmatic tools for these PLCs....
By DD on 4 November, 2009 - 6:47 pm -
I tend to agree with Curt. I work mainly in maintenance mode, keeping the existing processes going...
looking for help picking a control unit and writing PLC code
How many maximum loops can be connected to SLC500 analog output 4-20 ma channel.
New Replies:
Depending on the features available in the drives that you have, you may want to consider the...
By Roy Matson on 6 November, 2009 - 10:46 am -
First of all you need to determine, what is the impedance of the input, as others have stated in...
Hi Rodney Wirtz, Curt Wuollet and Bob Peterson,
Thanks for your replies. They are very useful...
Here's a quick answer.
- Each of the drives should be connected in series (I assume the obvious...
By curt wuollet on 5 November, 2009 - 3:22 pm -
Quite possible. Assuming 250 ohms burden for each input, four would be 1000 ohms. This will drop 20...
By bob peterson on 5 November, 2009 - 1:11 pm -
If they are in a loop, all the drives would see the same signal.
It could be that with four of...
Can only read 6 registers from Controlotron 1010 flow meter via Modbus
New Replies:
Yes, If you are experiencing a communication failure and the active light stays on then you will...
By Paco on 5 November, 2009 - 4:26 pm -
FUS1010 Problems with Comm Card for Modbus.
Make sure you have the latest Firmware on the card....
By Angel on 5 November, 2009 - 4:47 am -
Hello everyone,
I have the same problem as the first entry.
I have a 1015N-5M card assembled...
Problem with forced coils in Quantum Proworx
from the Manager - Instrumentation department...
SIL-2 Certified SIS transmitters Diagnostics integration in ESD systemI want to know if it a must to integrate HART diagnostics from SIS transmitter within the Plant asset management system to meet Target SIL
New Replies:
Giriskant,
To my knowledge no credit has ever been claimed, with respect to SFF, for any...
Problems with comms between Citect & ABB PM856 PLC, using COMLI.
New Replies:
By Sathasivam on 6 November, 2009 - 3:24 am -
Hi,
Have you solve your problem as dated November 2008 to establish communication between Citect...
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 :
...
I'd like to pull data from the Telemecanique Zelio Logic Relay.
New Replies:
By chud on 6 November, 2009 - 1:15 am -
If you want to use modbus you must buy a modbus expansion unit to plug on the side of the zelio...
If you need a Modbus and OPCServer converter, check out the FieldServer OPCServer from...
By DanMuller on 5 November, 2009 - 8:47 am -
I would be surprised if you find a freeware server that will do the job. If the one you have is not...
Thanks Wassim for your response,
I regret to inform you that the link you posted is reported as...
IT guy thrown into PLC world. Backing up PLC configuration.
New Replies:
Billy:
If you want to contact me directly please send a e-mail to robert.willis [at]...
You can connect to a Modicon Quantum Controller via the following methods.
1. Direct RS232...
When you say "connect" to each controller is this a physical connection to the front of...
You need to know the make of the PLC's first. Are they Modicon PLC's or Siemens? Then you need the...
Utilizing the Concept Software connect to each controller and confirm that you can connect with a...
S9000 Programming Tools and XP issue.
New Replies:
By Dougherty on 5 November, 2009 - 3:12 pm -
I am having the same issue and after a delay a window pops up that says "Loader startup not...
When I am opening project in simatic manager
New Replies:
By dchartier on 5 November, 2009 - 10:33 am -
Dear Ranjit,
If the backup you are trying to install if from a PCS 7 project, then you need all...
By Anil on 5 November, 2009 - 6:47 am -
Dear Ranjit,
Make sure that you have installed those missing packages from the Step7 CD. Also...
need to download EARS LOADABLE
New Replies:
Please send the zip file again at
genjua [at] gmail.com
and
khangenjua [at] yahoo.com...
Serial interface between Allen Bradley's Control Logix and Emerson Ovation DCS
New Replies:
By Alex on 4 November, 2009 - 7:31 pm -
Ann,
Do you have a document that show how this serial or Ethernet communication is done between...
SLC 500 floating point limit
New Replies:
By M Griffin on 4 November, 2009 - 12:59 pm -
If the number is just used for display, the easiest solution would be to cascade the counter into ...
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 © 1999-2009 Nerds in Control, LLC. All rights reserved.
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Patronize our advertisers!









