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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
VMS is like a nightmare about RXS-11M.
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Posts from...
Tuesday, August 26, 2008
Would like to have the feedback on Experion System with C300 Controller and Series C IO Modules.
New Replies:
By Ron Compton on 26 August, 2008 - 9:48 pm -
By Ron Compton on 26 August, 2008 - 9:48 pm -
Jari,
did tie into the PM I/O on a running system?
Ron...
Creating an enmurated state and adding to a user defined display
New Replies:
By RichT88 on 26 August, 2008 - 9:46 pm -
By RichT88 on 26 August, 2008 - 9:46 pm -
We have MKV with <I> interface and our enumerated information is in the ENUMDATA.DAT file...
ABB ACS800 hums along for a long time and then develops a cramp and stops (Error Code 7510 - COMM MODULE).
New Replies:
By Jeff Fell on 26 August, 2008 - 9:45 pm -
By Jeff Fell on 26 August, 2008 - 9:45 pm -
If the ACS800 is displaying Error Code 7510 - COMM MODULE, the ControlNet fieldbus has stopped...
Is there any solution to integrate present ABB S800 IO system with Emerson DELTA V system on PROFIBUS?
New Replies:
By Zaidan Kazour on 26 August, 2008 - 4:58 pm -
By Zaidan Kazour on 26 August, 2008 - 4:58 pm -
You can integrate S800 I/O with DeltaV using Profibus DP. S800 I/O will act as DeltaV I/O thru the...
I can't seem to get the Unity M340 "Cancel" function to work.
New Replies:
By Roger Valmadre on 26 August, 2008 - 4:58 pm -
By Roger Valmadre on 26 August, 2008 - 4:58 pm -
Thanks, Alastair,
I knew that Schneider would eventually release a firmware update.
I've also...
By Alastair on 26 August, 2008 - 12:42 am - Schneider have just released Unity V4.0 and V2.0 firmware for the M340. Various bug fixes in this.
...
We have a problem with communication between Honeywell EPKS DCS with third party system through ModbusRTU for Writing Coil.
Position feedback for a large cylinder using a small slave cylinder.
New Replies:
By Jim Miller on 26 August, 2008 - 4:56 pm -
By Jim Miller on 26 August, 2008 - 4:56 pm -
This application seems to be one where an Exlar actuator (http://www.exlar.com/) would work well....
attaching opc tags in factorylink 8
Want to learn as much as possible about servo motors
New Replies:
By Jim Miller on 26 August, 2008 - 4:55 pm -
By Jim Miller on 26 August, 2008 - 4:55 pm -
Hi Boris,
As mentioned previously in this thread, in a BLDC, application timing of the encoder...
Servo Drive Selection for AC brushless servo only resolver connected
New Replies:
By William Sturm on 26 August, 2008 - 4:54 pm -
By William Sturm on 26 August, 2008 - 4:54 pm -
I've had success with both Copley Controls and Kollmorgen drives with basic servo drive...
By Leonid on 26 August, 2008 - 4:53 pm - Single axis servo controller with build-in amp for brushless (?) motor from Elmo (www.elmomc.com)...
i'm interested to join plc course in cities like pune and banglore, but do not have the knowledge of institude in these cities & so i need your help...
New Replies:
By sunil on 26 August, 2008 - 4:53 pm -
By sunil on 26 August, 2008 - 4:53 pm -
The best traning institute in the country,which is very professionally managed is HSS academy at...
How does Derivative Control work?!
New Replies:
By Bill Code on 26 August, 2008 - 4:52 pm -
By Bill Code on 26 August, 2008 - 4:52 pm -
Math aside for a moment. The derivative action must operate in the direction to increase the...
By Mikas on 26 August, 2008 - 4:51 pm - The key isssue here is properly tuned PID controller. If you're having increased oscillations that...
Use of the feature on a drive together with an upper motion controller
New Replies:
By Leonid on 26 August, 2008 - 4:50 pm -
By Leonid on 26 August, 2008 - 4:50 pm -
Resolver must be added to your list of position sensors also.
At first I don't think delay for...
By Jim Miller on 26 August, 2008 - 4:49 pm - This seems to be one of those that depends on the application.
in most cases I would try to get...
Is there any data sheet related Hitachi DC motor
New Replies:
By Jim Miller on 26 August, 2008 - 4:48 pm -
By Jim Miller on 26 August, 2008 - 4:48 pm -
Without knowing anything about this I would ~guess~ that you have Power, Ground, Channel A and...
from the what does 1Vpp mean? department...
how much is the amplitude of sin/cos encoder of heidenhain ern1387 I design a interface circuit of sin/cos encoder,
but i don't know the amplitude of its output. Do different companies produce this kind of encoder with the same output voltage amplitude?
but i don't know the amplitude of its output. Do different companies produce this kind of encoder with the same output voltage amplitude?
Looking for an OPC server to interface ABB controller via RS232 to a SCADA system.
New Replies:
By Adriel Michaud on 26 August, 2008 - 4:47 pm -
By Adriel Michaud on 26 August, 2008 - 4:47 pm -
If you've got a GCOM card, you can use Matrikon's OPC Server for GCOM...
By Rob on 26 August, 2008 - 9:55 am - ABB's 800xA system supports your MP200 controllers and provides OPC connectivity.
If you do not...
How does GPS work, and what is it's use in power plants?
New Replies:
By Kevin on 26 August, 2008 - 4:46 pm -
By Kevin on 26 August, 2008 - 4:46 pm -
One thing that I can think of is satellite synchronization of real time clocks on remote systems...
PLC didnt answer
New Replies:
By David on 26 August, 2008 - 4:45 pm -
By David on 26 August, 2008 - 4:45 pm -
Actually not. I am not using any kind of handshaking. Do you think that maybe I am sending that...
By Peter Hao on 26 August, 2008 - 4:45 pm - You can use a MODBUS Simulator software to simulate a MODBUS Master or Slave. It can show every...
By Fred Loveless on 26 August, 2008 - 4:44 pm - Just out of curiosity where is the checksum for the RTU message being generated. The Modbus RTU...
By plchelp on 26 August, 2008 - 9:44 am - david
check using another pc to varify the data being sent. It's possible you maybe to fast for...
Profibus DP-V1 loop communication checking
New Replies:
By autcon20 on 26 August, 2008 - 4:43 pm -
By autcon20 on 26 August, 2008 - 4:43 pm -
Try at http://www.autem.de you will find two goods tools PROFIBUS®-Tester V3 and PROFIBUS®-Analyzer...
By CH on 26 August, 2008 - 1:38 am - I recommend you have a look at ProfiTrace, from http://www.factorycomm.com
Basically, this...
Basic INTools software for instrumentation
New Replies:
By Roy Matson on 26 August, 2008 - 4:42 pm -
By Roy Matson on 26 August, 2008 - 4:42 pm -
Sastry,
No our database doesn't generate loops, but we have Autocad people who can do loops just...
By Sastry MRKS on 26 August, 2008 - 12:55 am - Dear Mr. Roy,
You said you are using MS-Access Database for Instrumentation. However, does your...
Using Dual Monitor in Delta V
New Replies:
By DAVE FERGUSON on 26 August, 2008 - 4:40 pm -
By DAVE FERGUSON on 26 August, 2008 - 4:40 pm -
There is a "user settings file that you have to modify to tell it that you are using dual...
Window maker will not open on new Dell.
New Replies:
By Pankil Bhalia on 26 August, 2008 - 4:38 pm -
By Pankil Bhalia on 26 August, 2008 - 4:38 pm -
Hi Guys,
I am also facing the same problem.
In my office i am trying to install the Wonderware...
By Rman on 26 August, 2008 - 4:37 pm - At the time, no other HMI or PLC programs were installed. It was a fresh computer from dell which...
By woj on 26 August, 2008 - 1:41 am - What other HMI software do you have on the laptop? Years back we discovered an issue with running...
Raw water flow control by VFD and Flow control valve position.
New Replies:
By Roy Matson on 26 August, 2008 - 4:35 pm -
By Roy Matson on 26 August, 2008 - 4:35 pm -
Does sound a bit strange, is there any possibility of flow without the pumps running i,e, positive...
no communication between HMI and PLC
New Replies:
By Roy Matson on 26 August, 2008 - 4:34 pm -
By Roy Matson on 26 August, 2008 - 4:34 pm -
Perhaps the new address didn't take properly, try pinging the old address/new address with a PC and...
By CH on 26 August, 2008 - 1:42 am - For the device that is not communicating, run it through a HUB, then from the HUB to your network. ...
By woj on 26 August, 2008 - 1:34 am - What brand PLCs and HMIs?...
Problem to convert application in Intouch 7 to Intouch 10
New Replies:
By umencho on 26 August, 2008 - 4:33 pm -
By umencho on 26 August, 2008 - 4:33 pm -
Hi
Put in google: wwGenericSQLGrid, install this, after that make convert.
regards...
The current will increase if an synchronous generator is made to work at 60 Hz and then is used at 50 Hz.
New Replies:
By jojo on 26 August, 2008 - 4:32 pm -
By jojo on 26 August, 2008 - 4:32 pm -
Unfortunately you did not give much details of the generator you have at hand. So the info given...
How to calculate current of 10mva Dyn11 transformer?
New Replies:
By AA on 26 August, 2008 - 4:31 pm -
By AA on 26 August, 2008 - 4:31 pm -
Your Voltage rating is not properly mentioned?
Current = KVA / Voltage
DYn11 only effects...
Condensate Pot in Drum Level Measurement
New Replies:
By Roy Matson on 26 August, 2008 - 9:56 am -
By Roy Matson on 26 August, 2008 - 9:56 am -
A condensate pot (horizontal) gives you a known level. Without some form of heat radiator the...
By Mikas on 26 August, 2008 - 9:56 am - Because "+" of "H" impulse pipe is inserted in the steam part of a drum....
S5 PLC Problem
New Replies:
By ALI on 26 August, 2008 - 9:54 am -
By ALI on 26 August, 2008 - 9:54 am -
i think if you change (Q) in program or change output card your problems will be solved....
Can anyone please suggest the type of flow meter...
Consider pros and cons of PCS7 as DCS for power plants.
New Replies:
By Mikas on 26 August, 2008 - 9:52 am -
By Mikas on 26 August, 2008 - 9:52 am -
Hmm, that is very interesting. I have found some basics information about Siemens' DCS systems from...
By Paul on 26 August, 2008 - 1:32 am - PCS7 is a perfectly good product and has/would work well in power plants. It's just that Siemens...
how to configure a msg instruction from slc 5/03 to slc 5/03 over dh 485
During parallel operation, trip of another GT, enabled the load pick up in GT with mark V. Soon this GT start rejecting the load with speed dropping.
New Replies:
By CSA on 26 August, 2008 - 9:48 am -
By CSA on 26 August, 2008 - 9:48 am -
Iqbal, You haven't directly answered the question of whether or not there is some kind of load...
How do you ascertain the failure of a power transformer in the field?
New Replies:
By Rasam Syamsudin on 26 August, 2008 - 9:46 am -
By Rasam Syamsudin on 26 August, 2008 - 9:46 am -
If the transformer is oil type, a breakdown test and dissolve gas analysis can be done on oil...
Can a step up transformer be used as a step down transformer?
New Replies:
By AA on 26 August, 2008 - 9:45 am -
By AA on 26 August, 2008 - 9:45 am -
It is possible. basically a single Transformer is step up as well as step down.
BUT
within...
By rasam syamsudin on 26 August, 2008 - 9:44 am - Yes you can, as long as the transformer rating is not exceeded....
By woj on 26 August, 2008 - 1:30 am - We do this constantly, but only with 480/120 transformers with no issues. Not sure if there is any...
Hello.
Do you know how I can restrict reading the value of a variable from a PLC?
Do you know how I can restrict reading the value of a variable from a PLC?
Facing problem while configuring a digital contact output.
New Replies:
By CSA on 26 August, 2008 - 1:37 am -
By CSA on 26 August, 2008 - 1:37 am -
It's not clear what kind of "trainer" panel you have. If there is no I/O connected to the...
What is meant by protocol?
Need feedback on elec. drafting software.
New Replies:
By Michael Galenkamp on 26 August, 2008 - 1:21 am -
By Michael Galenkamp on 26 August, 2008 - 1:21 am -
Many, if not all of your problems can be solved by temporarily hiring a third party to implement...
Taking a Straw Poll of Emerson Ovation users
New Replies:
By dave kader on 26 August, 2008 - 1:17 am -
By dave kader on 26 August, 2008 - 1:17 am -
Having similar problems now trying to get my ABB Flowserve gas chromatograph to talk to our Ovation...
Are 3GL more machine efficient and easier to test and maintain than 4GL?
New Replies:
By Lee on 26 August, 2008 - 12:53 am -
By Lee on 26 August, 2008 - 12:53 am -
I have blogged about this subject at length. I believe it is a fair debate.
...
In Natural Gas custody transfer, how to do GC data normalisation through PLC?
TwidoAdjust
New Replies:
By chud on 26 August, 2008 - 12:52 am -
By chud on 26 August, 2008 - 12:52 am -
I think it's a nice idea but why not just use the free Twido suite and keep backup on PC or CD...
Empty summary
New Replies:
By Lamin A. Bulgassem on 26 August, 2008 - 12:49 am -
By Lamin A. Bulgassem on 26 August, 2008 - 12:49 am -
Dear Sir,
I have read your query regarding the exhaust temperature of your turbine. Although...
My factory wants to change HMI from PCUSR to WinCC without changing PLC S5...
Where/How can I buy/change Schneider electric old cpu model: TSX-4740 ?
New Replies:
By chud on 26 August, 2008 - 12:46 am -
By chud on 26 August, 2008 - 12:46 am -
It is possible to convert the software to PL7 (previous version) and then to Unity (latest...
need help on brewmaxx
New Replies:
By wboyes on 26 August, 2008 - 12:44 am -
By wboyes on 26 August, 2008 - 12:44 am -
Try here:
http://www.proleit.com/en/Products/brewmaxx.php
Good luck, and I hope you can read...
PLC-5 is losing communication with its remote 1771-ASB chassis frequently
New Replies:
By Gaven on 26 August, 2008 - 12:40 am -
By Gaven on 26 August, 2008 - 12:40 am -
Assuming it's over DH+, have you checked over the run length of the cable and the terminating...
Serial port communication with GSM modem
New Replies:
By Cinzia La Morgia on 26 August, 2008 - 12:39 am -
By Cinzia La Morgia on 26 August, 2008 - 12:39 am -
Did you try SMS Server? SMS Server is a add-on for CitectSCADA that lets you to notify via SMS...
Suppliers of GULDE control valves.
New Replies:
By wboyes on 26 August, 2008 - 12:38 am -
By wboyes on 26 August, 2008 - 12:38 am -
As far as I know, Gulde control valves are part of Emerson. Contact your local Emerson or Fisher...
I'm looking a RS-485 to Optic Fiber converter.
I've a Series A Mitsubishi PLC's connected via RS-485 and I need to convert this bus to a optic fiber.
I've a Series A Mitsubishi PLC's connected via RS-485 and I need to convert this bus to a optic fiber.
New Replies:
By Roy Matson on 26 August, 2008 - 12:37 am -
By Roy Matson on 26 August, 2008 - 12:37 am -
Try
http://weedinstrument.com/product_groups/fiber.html
They seem to have a full range of FO...
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