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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
"I drink to make other people interesting."
-- George Jean Nathan
-- George Jean Nathan
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Measurement of open water tank in winter
New Replies:
Yeah the tank is full and cement. DP will not work. However it is used for the fire system and...
By wboyes on 1 May, 2009 - 8:57 am -
I am assuming that the water in the tank does not freeze solid, but only has a cap of ice on it. If...
By James Fountas on 30 April, 2009 - 8:47 pm -
If the top surface of the water freezes completely, it can create an issue for small tanks and give...
By Roy Matson on 30 April, 2009 - 8:18 pm -
Have you ruled out a DP cell either 3" flange style on the side or you could just drop one of...
I have a new software project that I have been working on, and I would like to offer it for review and comment.
New Replies:
By M Griffin on 29 April, 2009 - 7:59 pm -
The system is connecting to device PLCUPS, but is then being disconnected by the device. Some...
By Mohamed on 28 April, 2009 - 5:47 pm -
Thanks for that software. I'm a student from Barcelona (Poltechnichal university of Catalunya), and...
I am looking for the drivers for the Satchwell BAS 2800+ to JACE / Niagara / Tridium.
New Replies:
By Steve on 27 April, 2009 - 7:19 am -
Did you get any help, working on same system, unable too log onto system, and clear alarms, which...
Connecting ComAp IG-NT Gen-Set Controller via RS-485 Modbus interface with Honeywell EBI
from the playing a protocols symphony department...
Connecting distributed plants with a bad bandwith to a control center
connecting several wastewater treatment plants to a control center
New Replies:
By M Griffin on 14 April, 2009 - 7:33 pm -
As you requested, the new version of MBLogic was released late on Monday. You can download it from...
Read this blog: http://controltoolbox.com/blog/2009/03/post.html
It discusses a similar...
By Adriel Michaud on 13 April, 2009 - 12:58 pm -
Considering that:
1. You need to use OPC Servers to communicate to the variety of devices you're...
By M Griffin on 13 April, 2009 - 1:57 am -
> Periodically it will send this file gzipped
> to the control center via a ssh tunnel.
...
After discussing some of the requirements with the client and re-thinking all the project, with the...
Oh... OPC... this could become a pain if the machines are not on the same domain (perhaps as a...
By pvb on 9 April, 2009 - 2:16 am -
For GPRS with Modbus i can suggest these devices....
By M Griffin on 8 April, 2009 - 10:51 pm -
As for your customer wanting to use the MS IE web browser, if they want to spec that then they need...
By Andrey Romanenko on 8 April, 2009 - 5:51 pm -
Hello,
>> Alternatively, there is a package called Plantstreamer which is a GPLv3 data...
I have a problem with the distances: these are the plants that my client maintain, and they are all...
Thanks for your answers, I'll try to explain my reasons inline:
>As for running MS Windows XP...
Hi,
I am working in the same segment as you, and the concensus over here is that radio...
By M Griffin on 8 April, 2009 - 5:33 am -
To deal with your points in no particular order:
For the hardware, I would suggest a regular...
CAN BUS communication between Lipke sanner platform to honeywell ALcont3000 System
anyone using PACTware?
New Replies:
By Marc Sinclair on 9 April, 2009 - 12:05 pm -
There is nothing (digital) that any program can do that can't be communicated to and from the...
It appears that we are discussing very different things.
Technologies like FDT are addressing...
By Marc Sinclair on 7 April, 2009 - 3:58 pm -
Someone has lost the plot. All I want to do is configure the device
...
PACTware is a "frame" or "container" application that supports the Field Device...
By Marc Sinclair on 2 April, 2009 - 2:52 pm -
Hmmm , I suppose anything has to be better that TOFTOOL.
The problem is that each manufacturer...
By James on 2 April, 2009 - 8:38 am -
Well, I'm not sure what to think about that. I downloaded PACTware and Endress and Hauser's DTMs...
By M Griffin on 1 April, 2009 - 9:05 pm -
In reply to Marc Sinclair: Your response was interesting, so I had a look at the Pactware link you...
By Marc Sinclair on 1 April, 2009 - 7:56 pm -
I went to the road-show in Manchester last year after reading the website which still states...
Control System: Siemens 840D Computer Numerical Control
New Replies:
By David Mertens on 6 April, 2009 - 3:17 am -
Sinumeric 840D is a current product, manual available at :
...
By vahid on 3 April, 2009 - 9:42 am -
If it is Siemens product, I suggest you to ask Siemens service department to make sure that it is...
NI, WinCC
New Replies:
By Moosty on 2 April, 2009 - 3:44 am -
Hi,
Several weeks ago, I have tried to develop an ActiveX component for WinCC Flexible, however it...
from the Electrical engineer department...
Medium Voltage Variable Frequency Drive to Control the Speed of Motor
I am electrical engineer by profession and currently I am doing research on medium voltage Variable Frequency drive (also called as VFD, VSD, AC drive, VVVF, etc.)
New Replies:
By Sreejith K.G on 31 March, 2009 - 9:56 am -
Dear Mahesh,
I am working in this field and have commissioned quite a few no of MV Drives..in...
Dear Mahesh,
Nice to meet you here.
I work in the manufacturer of frequency inverter of...
http://www.fieldbus.tv is a good site for fieldbus and industrial ethernet.
What is Lock Up Valve?
We use AC450 with OS500 architecture very often we receive signal error and it normal back in 100-200 milli second.
New Replies:
By Rob on 23 March, 2009 - 8:31 pm -
Well, no, we can't really give you the answer but maybe we can help you to find it. Some things to...
Question about a MODBUS slave for WINCE (XScale)
Voltage free contact
New Replies:
By JM on 12 March, 2009 - 7:32 am -
Voltage free contact means that the contact is free to carry whichever voltage you choose to...
A few questions regarding the coding system of modbus RTU
New Replies:
By Jesper on 28 February, 2009 - 5:04 am -
Thank's for your replies.
This makes things a lot clearer. I now get the start, stop and parity...
>My 1st question:
ANS: For RTU mode there is No Parity. RTU mode uses CRC error checking. An...
Start, stop, and parity bits are added to your data words by the UART. Your program will never see...
I want to select a suitable flow meter for measuring water and process solvents with remote indication.
New Replies:
By Anonymous on 27 February, 2009 - 6:32 am -
Can some body point out whether vortex flow meter is dependent on density of solvents.
I believe...
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