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The threads that wouldn't die...
- PC reliability?
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- 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
The older I grow the more I distrust the familiar doctrine that age
brings wisdom.
-- H. L. Mencken
brings wisdom.
-- H. L. Mencken
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Posts from...
Saturday, October 11, 2008
Mark 6 servo valve calibration.
New Replies:
By amam on 11 October, 2008 - 11:52 pm -
By amam on 11 October, 2008 - 11:52 pm -
CSA,
Thanks a lot.
Your usual co-operation is highly appreciated....
By CSA on 11 October, 2008 - 11:35 am - This topic has been covered several times in various threads on control.com. Two good posts on the...
How can I configure USB port in VB
New Replies:
By Ravi on 11 October, 2008 - 8:22 pm -
By Ravi on 11 October, 2008 - 8:22 pm -
I had similar requirement and the following is what I did:
a) downloaded a VIRTUAL SERIAL PORT...
Need help with choosing a motor/drive system appropriate for operating a radio dish for amateur radio astronomy.
New Replies:
By William Gentry on 11 October, 2008 - 5:47 pm -
By William Gentry on 11 October, 2008 - 5:47 pm -
You potentially have more than one problem here.
1) The one you've asked about - use of a very...
By Ryan Butler on 11 October, 2008 - 4:43 pm - Hi,
You may want to consider using an analog (sine/cosine) encoder; these devices can allow...
By M Griffin on 11 October, 2008 - 1:34 pm - I see two problems. First your requirements are for a 600 to 1 speed range (0.1 arcmin/sec to 60...
Pros and cons between ControlLogix and Quantum
New Replies:
By Bob Peterson on 11 October, 2008 - 5:35 pm -
By Bob Peterson on 11 October, 2008 - 5:35 pm -
I got to tell you. With the introduction of version 16 of Contrologix, I see no PLC platform that...
By Dave Zimbrich on 11 October, 2008 - 4:54 pm - James,
I must take issue with this statement:
"No, I don't work for Rockwell Automation....
While communicating with slaves using Modbus master I am getting the following errors...
New Replies:
By Waqqas Ahmad on 11 October, 2008 - 3:32 pm -
By Waqqas Ahmad on 11 October, 2008 - 3:32 pm -
I have also the sma error but it the CP341 does not receive any data. I think there is some...
what provision is for pressure measurement by gauge on 500 degree C temperature?
Convert Allen Bradley PLC-2 to PLC-5. Software needed? not available... :(
New Replies:
By Michael Batchelor on 11 October, 2008 - 12:16 pm -
By Michael Batchelor on 11 October, 2008 - 12:16 pm -
I'll stand by my original comment. The guy who kept it on the PLC2
platform this long should be...
By Dave Ferguson on 11 October, 2008 - 10:53 am - Do you have SPARE plc-5's when this one fails. I understand the no money thing and doing things on...
By Bob Peterson on 11 October, 2008 - 10:20 am - We own a license for the AB software to convert PLC2 to PLC5. Having used it a few times, I can...
By Jeremy Pollard on 11 October, 2008 - 9:53 am - I have some software that you can use as long as you respect the license agreement etc. How can I...
Why sacrifice closed loop control over process heat
cannot establish communication between a PC connected and PLC linked through a RS232 port after downloading the program.
New Replies:
By Trevor Ousey on 11 October, 2008 - 8:31 am -
By Trevor Ousey on 11 October, 2008 - 8:31 am -
Hi Adekunle,
Sorry, I forgot to mention that RSLinx needs to be running as an
application. If you...
Occasional nuisance tripping of RCCB
New Replies:
By Phil Corso on 11 October, 2008 - 8:26 am -
By Phil Corso on 11 October, 2008 - 8:26 am -
Shahvir, how about providing details:
1) What is meant by 'some'?
2) Manufacturer?
3) Voltage
...
I need the information/specification of of Modbus Rs-485 RTU communication cable for communication a PLC & DCS system.
Mk V System Upgrade
New Replies:
By DAMENE Amar on 11 October, 2008 - 6:21 am -
By DAMENE Amar on 11 October, 2008 - 6:21 am -
Hi, Sandy
It is a surprise that actually I am looking at possible replacements for 4 old Texas...
Anybody can help me to do Mitsubishi PLC A series to Q series Transition.
working of SPPA-T1000
New Replies:
By Sanjeev on 11 October, 2008 - 4:36 am -
By Sanjeev on 11 October, 2008 - 4:36 am -
Dear Sir
I have the practical experience, it fails like a Simple PC, I can you atleast five...
By J Raj on 11 October, 2008 - 2:51 am - We are using three Siemens T1000 system, i would say if you want to commit sucide then buy these...
from the Automation and Instrumentation department...
Water Treatment Process Control and InstrumentationBest/better approach for the water treatment instrumentation and automation...
New Replies:
By wboyes on 11 October, 2008 - 1:01 am -
By wboyes on 11 October, 2008 - 1:01 am -
Well, yes and no.
Because the field of a magnetic flowmeter extends from pipe wall to pipe wall,...
Millivolt conversion from load cells
New Replies:
By S.Gordon on 11 October, 2008 - 12:53 am -
By S.Gordon on 11 October, 2008 - 12:53 am -
How could you be connecting MV signal directly to the PLC card?? You need a conditioner &...
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