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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
Wiker's Law:
Government expands to absorb revenue and then some.
Government expands to absorb revenue and then some.
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Posts from...
Tuesday, December 4, 2007
Looking for success stories on EBI remote monitoring...
Can someone explain to me how this lead / lag pump configuration works?
New Replies:
By Almshouse on 4 December, 2007 - 6:04 pm -
By Almshouse on 4 December, 2007 - 6:04 pm -
The PLC code for an Allen Bradley AB5 can be found here:
...
By Deewar on 4 December, 2007 - 12:12 am - PChan,
if you were able to find some info pls, share with me thanks....
Question about AC servo motor drives
Handling non-linearity of butterfly valve in a PID loop
New Replies:
By Robert Scott on 4 December, 2007 - 5:25 pm -
By Robert Scott on 4 December, 2007 - 5:25 pm -
Non-linearity in the flow control valve will not matter as long as the dynamic performance of the...
By Roy Matson on 4 December, 2007 - 9:51 am - Don't worry about the non-linear flow, the PID will take care of it. The nice thing about flow...
Basics of level control
New Replies:
By Walt Boyes on 4 December, 2007 - 10:51 am -
By Walt Boyes on 4 December, 2007 - 10:51 am -
The chapter on level control in my book, the Instrumentation Reference Book, 3rd Edition is pretty...
Help me to find the communication problem DCS MARK 5 over MODBUS
How does a bleed valve operate in frame V GE Gas turbine?
New Replies:
By PeeDeePee on 4 December, 2007 - 9:58 am -
By PeeDeePee on 4 December, 2007 - 9:58 am -
We once had a problem of malfunctioning 20CB. Our bleed valve continued in he close position even...
What to do with an old power supply?
How to set parameter "rconf" in the function BscMovj?
Variations in P2 intervalve pressure
New Replies:
By gt__maint on 4 December, 2007 - 9:56 am -
By gt__maint on 4 December, 2007 - 9:56 am -
Our problem is solved. thanks for all your support and help.
v did the following:
1) arranged...
Program in CoDeSys for configuring communication between wago PLC modbus/TCP and many slave devices via RS485 module.
How many devices can you put on the same port in a ModSim Modnet simulation?
What will happen to the steam turbine driving a centrifugal water pump if the pump rated capacity is exceeded say by 25%?
New Replies:
By jojo on 4 December, 2007 - 9:53 am -
By jojo on 4 December, 2007 - 9:53 am -
What will happen to the steam turbine depends on what control/protection systems are installed....
The slave doesn't respond...
i need book about gas turbine control system frame 9 and MARK-V
Modbus problem on Siemens S7-300 Modbus Slave
New Replies:
By Jerry Miille on 4 December, 2007 - 9:49 am -
By Jerry Miille on 4 December, 2007 - 9:49 am -
What you need is a communications analyzer tool such as Serial Test Async from Frontline Test...
Can I use 230 Vac operated Solenoid valve in bio-gas plant or are 24VDC operated valves more suitable from a safety point of view?
New Replies:
By Roy Matson on 4 December, 2007 - 12:32 am -
By Roy Matson on 4 December, 2007 - 12:32 am -
Hi, I work in Class 1 Div II situations all the time.
Either voltage can cause an explosion if...
Interfacing of Parallel Printer with MARK-IV control system.
New Replies:
By CSA on 4 December, 2007 - 12:25 am -
By CSA on 4 December, 2007 - 12:25 am -
In reply to Michael Griffin: Yes, serial-to-parallel converters can be found, but in my experience...
Can anyone tell my where I can buy or download Termex Pro v 4 working software?
I was referred over here from www.MrPLC.com. We are developing a PC application in C/C++ and need to communicate to one or more Omron PLCs (CJ1M CPU12).
New Replies:
By Michael Griffin on 4 December, 2007 - 12:21 am -
By Michael Griffin on 4 December, 2007 - 12:21 am -
In reply to Van: In your original message, you referred to using the CJ1M CPU12 but intending to...
How exactly does the standard format of the exception response for MEI Transport function look? Different versions of Modbus Application Protocol specification contradicts with each other on this...
What are the criteria for changing over fuel on line?
New Replies:
By a_w_p_d on 4 December, 2007 - 12:18 am -
By a_w_p_d on 4 December, 2007 - 12:18 am -
Hi,
Thank you again for your continued support. I shall be in touch and let you know how it all...
Explanation of so called test position of a drive
New Replies:
By Mikas on 4 December, 2007 - 12:15 am -
By Mikas on 4 December, 2007 - 12:15 am -
Hugo, thank you for your reply,
Yes you're right, I had an opportunity to see for myself. It's...
I need Monitor 77/2 to test it with Virtual PC
I use Allen-Bradley PLCs in my plant. Up to recently I've used an A-B Panelview when needed. On my latest application I used the new Panelview Plus with RSviewME...
New Replies:
By Mike Z on 4 December, 2007 - 12:04 am -
By Mike Z on 4 December, 2007 - 12:04 am -
Forget about EZautomation ethernet with the SLC5/05s, it's terribly slow. Avoid if at all possible....
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