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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?
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Posts from...
Thursday, October 23, 2008
I am working on automation of Ward Leonard System. This is a constant tension winch system, the Winch Motor speed is controlled though ward Leonard Motor-Generator set.
New Replies:
By Prashant on 23 October, 2008 - 11:07 pm -
By Prashant on 23 October, 2008 - 11:07 pm -
Dear Mr. Malik,
I think you may use constant torque AC drive with AC induction motor for...
what should be the right proceedure of calibaration.
New Replies:
By hardy on 23 October, 2008 - 10:47 pm -
By hardy on 23 October, 2008 - 10:47 pm -
Which calibration method should I use?
Question
There are four types of calibration, which...
We are having a problem in one unit auxiliary transformer that one day after normalisation of unit by putting the transformer into service BUSGROUND annunciation has come while racking in its line PT...
Creating a simple pressure sensor that can detect and measure water pressure up to 1 meter in depth of water.
What would be a practical method for detecting hand/finger motion?
Pricing for major HMI software.
New Replies:
By bob peterson on 23 October, 2008 - 6:27 pm -
By bob peterson on 23 October, 2008 - 6:27 pm -
I doubt you can get enough of an answer for it to make any sense.
There are usually different...
By Mark on 23 October, 2008 - 8:07 am - Hi,
You might want to take a look at PeakHMI. The pricing for PeakHMI is on the main web page.
...
from the Instrumentation and Control department...
How to exchange data between SLC500 to Micrologix on DH485How to exchange integer data between SLC500 (fixed) to MicroLogix 1200 on DH485?
New Replies:
By bob peterson on 23 October, 2008 - 6:24 pm -
By bob peterson on 23 October, 2008 - 6:24 pm -
Config the ML1200 serial port for DH485.
Add a netaic....
By Michael Batchelor on 23 October, 2008 - 9:12 am - Look up the message command in the RSLogix help files. There's too much of it to post in a forum,...
from the AUI to Ethernet Transciever - Which One? department...
ABB Masterpiece 200 AUI/10Base2 to Ethernet
Existing Masterpiece 200 w/EN2009 2 module using AUI to 10Base2 coax need to change to Ethernet.
First-in-line intervalve gas pressure transmitter gives higher value during GT running in spite of proper calibration.
Problem in reading loadcell output through RS232
New Replies:
By ashok on 23 October, 2008 - 1:37 pm -
By ashok on 23 October, 2008 - 1:37 pm -
Please let me know what weight indicator you are using, and the
brand name of the indicator.
...
I want some detailed information about the relation between Honeywell C200 and Allen Bradley ControlLogix...
New Replies:
By Westozpt on 23 October, 2008 - 1:23 pm -
By Westozpt on 23 October, 2008 - 1:23 pm -
Although I haven't done it, I have been told that the AB i/o can be put in C200 chassis. It only...
Interface Design
New Replies:
By Westozpt on 23 October, 2008 - 1:12 pm -
By Westozpt on 23 October, 2008 - 1:12 pm -
I am not an Experion expert, but why don't you look at putting a C200 on the FTE segment? You need...
By Anynomous on 23 October, 2008 - 12:10 pm - C300 was to develop a direct port in C300 controller, this we had seen in Beta version but are not...
GE 5002C gas turbine second stage nozzle MOOG servo valve.
New Replies:
By trfrederick on 23 October, 2008 - 1:00 pm -
By trfrederick on 23 October, 2008 - 1:00 pm -
I used to work for Moog on these valves. It's very unlikely the valves are interchangeable. There...
I would like to read a text string from a device which connected to the serial port and save this string to a text file or in to a database..
New Replies:
By James Ingraham on 23 October, 2008 - 12:35 pm -
By James Ingraham on 23 October, 2008 - 12:35 pm -
As always, the more details the better. In this case, the most pressing questions are:
What...
Looking for data on CDP at various loads.
famouse sensors company
New Replies:
By Volant Technologies on 23 October, 2008 - 12:03 pm -
By Volant Technologies on 23 October, 2008 - 12:03 pm -
As the previous author mentioned the area of sensors is both broad and deep. For a historical...
What are the advantages and disadvantages of FF, Profibus, HART, and 4-20mA for a Process Control System?
New Replies:
By wboyes on 23 October, 2008 - 11:30 am -
By wboyes on 23 October, 2008 - 11:30 am -
It would be nice if you were also accurate, "enough said."
HART 7.1 has some...
By Dick Caro on 23 October, 2008 - 7:37 am - This post contains too many errors to let stand.
Why is FF "best"? True, the shared...
Can someone provide the formula for calculating the output, in amps, of a three phase transformer?
New Replies:
By kiren tomlinson stevos finnest on 23 October, 2008 - 9:53 am -
By kiren tomlinson stevos finnest on 23 October, 2008 - 9:53 am -
It's obvious that the geothermal degradable resistance of Ohms Law is got the area of the frequency...
I'm using adc0808 interfacing with at89c51. My adc gives just the value 255 instead of accurate results. How can I solve the problem?
How to flush the print memory of Mark V control system?
New Replies:
By CSA on 23 October, 2008 - 8:13 am -
By CSA on 23 October, 2008 - 8:13 am -
It's not possible to view the contents of the print queue.
If you have an <I>, exit to a...
How do you connect an S7-400H redundant PLC system to a single ProfiBus network?
what happened to it?
New Replies:
By Torben on 23 October, 2008 - 6:42 am -
By Torben on 23 October, 2008 - 6:42 am -
One has to wonder how some people look at a paradigm and actually completely change around their...
S-Max Phoenix or similar...
New Replies:
By Joern on 23 October, 2008 - 6:13 am -
By Joern on 23 October, 2008 - 6:13 am -
As far as I know, the S-Max is a PC-based PLC. GE Fanuc has Proficy Machine Edition PC (as a PC...
I need to connect a PC to RS232(RJ11) port on the FANUC PLC with CPU 363 using Modbus RTU protocol...
New Replies:
By Joern on 23 October, 2008 - 5:56 am -
By Joern on 23 October, 2008 - 5:56 am -
You can specify the parameters in the CPU configuration: Baudrate, Flow Control, parity, station...
Would like to know in more depth @ carrier freq. Its role in VFD.
New Replies:
By wouter sr on 23 October, 2008 - 5:53 am -
By wouter sr on 23 October, 2008 - 5:53 am -
I do not think the above is quite right. Sure, 20 KHz is above audible band but that is not the...
from the operations department...
GE gas turbines water wash. in DLN gas turbines water wash should be done at base loadIn GE gas turbines DLN system water wash should be done at what load?
cannot establish communication between a PC connected and PLC linked through a RS232 port after downloading the program.
New Replies:
By M. A. Janjua on 23 October, 2008 - 3:51 am -
By M. A. Janjua on 23 October, 2008 - 3:51 am -
I think, the problem in baud rate setting or communication protocol in channel configuration is...
I need an orifice plate sizing tool for gas application based on minimal nominal and maximal flow calculation
How can we implement HDLS like Verilog and VHDL? Just Basics.
New Replies:
By anonymous on 23 October, 2008 - 3:41 am -
By anonymous on 23 October, 2008 - 3:41 am -
Hello,
HDL is a language used to create algorithms with FPGAs... "hardware"
...
When two probes are in line, one is getting out after few hours of service, trippping the machine...
New Replies:
By Node17 on 23 October, 2008 - 2:40 am -
By Node17 on 23 October, 2008 - 2:40 am -
Most of gas turbine has no thrust bearing JATIN. What's the distance between the two axial probes?...
what kind of electrical CAD software is most used by you guys?
New Replies:
By Wong Shing Keen on 23 October, 2008 - 2:39 am -
By Wong Shing Keen on 23 October, 2008 - 2:39 am -
Just use EPLAN and forget the rest. You may feels hard when you see them the first time but after...
Need to produce high frequency pulse output signal on Yokogawa CS3000
New Replies:
By Anoop on 23 October, 2008 - 12:18 am -
By Anoop on 23 October, 2008 - 12:18 am -
Well... it seems like a good simplification... just ensure that the proper waveform you need is...
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