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The threads that wouldn't die...
- PC reliability?
- Windows, real time
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- Where do we go from here?
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- 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
Ambidextrous, adj.:
Able to pick with equal skill a right-hand pocket or a left.
-- Ambrose Bierce, "The Devil's Dictionary"
Able to pick with equal skill a right-hand pocket or a left.
-- Ambrose Bierce, "The Devil's Dictionary"
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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:
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...
By DAMENE Amar on 4 November, 2009 - 4:21 am -
Dear sir,
I have the same problem with our HMI and my laptop so. And I did not find the...
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
MBA project- Gathering information on what aging automation systems are present in plants and the mechanism to dispose of no longer used parts.
from the Manager - Instrumentation department...
SIL-2 Certified SIS transmitters Diagnostics integration in ESD system
I 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...
Thanks Dave for your reply on my query. Yes, it helps to clarify the matter. I was only worried...
Dear Girishkant,
> Is it OK in the above situation that I use a single SIL-2 transmitter...
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...
I have already sent you the documentation. Your email server blocks the zip file....
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 ...
Looking for PV1400e File Transfer Utility
The input of PLC1 is an interlock of PLC2.. How will it be done.
New Replies:
By kevin grey on 3 November, 2009 - 6:34 pm -
Hi,
You have not mentioned what PLC's or comms that you are using. It possible to connect the S7...
Please can someone help me and advise how to transfer a project from Step 7 to an OP77B
New Replies:
By kevin grey on 3 November, 2009 - 6:22 pm -
Hi,
couple of things to check. First of all ensure that ports are enabled for transfer. This is...
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