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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
We will have solar energy as soon as the utility companies solve one
technical problem -- how to run a sunbeam through a meter.
technical problem -- how to run a sunbeam through a meter.
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New to Ladder Logic programming
New Replies:
By siopaoAsado on 26 May, 2009 - 8:18 pm -
You can visit this site
http://www.plcs.net/
It has a tutorial for most blocks and logics...
By jimmy on 24 May, 2009 - 2:42 pm -
I found Frank D. Petruzella's PROGRAMMABLE LOGIC CONTROLLERS to be a good reference/book. The...
Flow Meter with totalizer and pulse output per litter / gallon
New Replies:
By Roy Matson on 26 May, 2009 - 10:38 am -
A vortex flow-meter will work provided the viscocity is not too high. They often have a pulse...
camming in sinamics s120 using CFC
problem controlling acs800 drive by fiber optics
need info about the P&ID tagging convention
New Replies:
By mechcad on 22 May, 2009 - 3:52 pm -
Hay You need ISA atandards S5.1 and National CAD standards 4.0 (www.aia.org)
Regards...
PWM control with PID
New Replies:
By William Sturm on 21 May, 2009 - 9:52 am -
By adding the dutyCycle[n-1] factor, you are integrating the output. You technically have a PID...
Over speeding of 25MW GE Turbine.
New Replies:
Dear Sir,
I am we have tried the complete tuning procedure as defined in manual.
Setup is as...
Mr Rathore-
I'm trying to understand with limited information, was that a "yes" to...
Dear Sir,
I have already increased P up to 180 and tried.
Regds,
DSRathore
...
The post was fairly open ended, so I'll give my first reaction. Sounds like you need to increase...
what is the difference between starting and tightening torque?
designing a 360 turntable
New Replies:
By Doug Benson on 14 May, 2009 - 9:17 pm -
David,
I'm looking for exactly the same thing. Have you had any luck?
Thanks,
Doug...
igbt drives blown off repeatedly.
New Replies:
By B on 13 May, 2009 - 11:42 am -
I'll second that grounded wyes are very important. I like isolation transformers and line reactors...
By Curt Wuollet on 12 May, 2009 - 9:50 pm -
Yes, it is critical to get the heat out of the semiconductors. I worked with a 9MW inverter for an...
By B on 12 May, 2009 - 3:13 pm -
one last thought, since extruder drives are generally large and field repaired vs. sent back for...
By B on 12 May, 2009 - 3:08 pm -
My guess is the thing that has change in India in 3-4 months is the weather. my guess is it is...
By PaulB on 12 May, 2009 - 12:46 pm -
abhijit saha
We have had similar problems in our plant but with servo drives. We found the...
By Phil Corso on 11 May, 2009 - 7:44 pm -
Abhijit, further to my 11-May-09 (11:48), response to your query, please provide the following...
By Phil Corso on 11 May, 2009 - 11:48 am -
Abhijit Saha, to start, please provide the following:
1) Supply voltage to your drives.
2) Size...
I need some advice on how to interface an Omron SYSMAC CJ1 PLC to a Fuji FRN2.2C1S-4C (Frequency Inverter) to control a motor speed and direction.
New Replies:
By jason.barber@hotmail.com on 12 May, 2009 - 2:49 pm -
You should be able to get all the help need from the factories. After all you are using their...
Is it possible to send number of pulses/interval between pulses to control a stepper motor from a PC to a PLC?
New Replies:
By M Griffin on 12 May, 2009 - 11:54 am -
The programming interface can also be used to read and write data to the PLC. You will need a...
A Twitter feed of new post titles is now available.
Does kirchoff's current law work in canada?
New Replies:
By jojo on 7 May, 2009 - 7:18 am -
Small question, do the two VFDs use a voltage input or a current input as the signal input? If both...
By M Griffin on 7 May, 2009 - 12:44 am -
I can imagine a number of ways in which the error could have occurred. However, regardless of how...
The drafting and manufacturing was outsourced to the USA.
Chastise their quality control, not...
need help with 3 phase commutation
Design of a navigation and motion control system for a launch vehicle,is it possible with fuzzy logic?
Struggling with a simple control project involving Root Locus, Matlab, compensation techniques and PID.
Requirements and best practices to develop a SCADA system for wind farms
New Replies:
Hi,
Are you located in INDIA. I am also intersted in Developing this knid of system. If you are...
Need examples of motion control code, preferably in directsoft format, but any would help.
New Replies:
By William Sturm on 1 May, 2009 - 11:46 pm -
What kind of motors? Servo? Stepper? Low end PLC's do not usually do motion control very well....
By Peter Nachtwey on 1 May, 2009 - 10:52 pm -
I would use a motion controller because the motion algorithms are done. You can go to X and Y...
Control Logic Communicating with CAN Buss
Need tutorial on aligning encoder on a synchronous motor.
New Replies:
By William Sturm on 25 April, 2009 - 11:04 am -
There are many different ways to align an encoder. Some use hall channels (ABC or UVW) on the...
Looking for better prices for cable and software
New Replies:
By James Ingraham on 22 April, 2009 - 11:06 pm -
"the programming cable costs more than $6k..."
A six thousand dollar programming...
By William Sturm on 22 April, 2009 - 4:48 pm -
Welcome to the major downside of proprietary automation systems...
Your best bet is probably to...
Basics of mint language
TWIDO PLC counting speed problem.
New Replies:
By Denson k o on 21 April, 2009 - 12:14 am -
Dear Sir
Insted of using PLC's you can go for motion controller. It will give you more efficency...
I need ABB Manual please share me.
New Replies:
my dear sir,
I sent to you the manual via mail
best regards
ibrahim abdel mohsen...
Calculation of DC motor parameters.
New Replies:
By mohsin on 19 April, 2009 - 10:41 am -
Mr. George Younkin,
Please email me the DC motor parameters.
mohsin.adeel@yahoo.com...
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