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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...
Sunday, September 21, 2008
from the Automation List department...
question on Modbus Holding register and input register data type
want information on the data type and formats for the Holding register and Input registers
New Replies:
By Issac on 21 September, 2008 - 6:55 pm -
By Issac on 21 September, 2008 - 6:55 pm -
This answer involves Modbus RTU only
source: Modbus-IDA December 28, 2006...
from the electrical department...
Terminal (load) voltage changes in single alternator due to change in driving torque
Effect of varying the driving torque of single alternator on load voltage (load connected is purely RESISTIVE).
New Replies:
By CSA on 21 September, 2008 - 6:24 pm -
By CSA on 21 September, 2008 - 6:24 pm -
shavir,
I thought this sounded like a science project. I see you're dabbling in the theoretical....
By shahvir on 21 September, 2008 - 5:46 pm - hi csa,
from your reply I would presume armature reaction defies ohms law. I would like to believe...
By Blackstoneboy on 21 September, 2008 - 5:45 pm - Hi Shahvir,
Where can we find a copy of your Physics of Armature Reaction??...
By shahvir on 21 September, 2008 - 5:44 pm - hi phil,
my email b.shahvir@gmail.com, plz send me some tech. literarure regards this topic.
...
By shahvir on 21 September, 2008 - 5:44 pm - Thanks Phil , but i would appreciate phasor diagrams as I would like to obseve the changes to...
By shahvir on 21 September, 2008 - 5:43 pm - The alternator considered is driving its own independant RESISTIVE load.
Also, I have considered...
We are facing a problem of Mark V controllers <R>, <S>, <T> whenever lightening strikes near by electrical switch yard.
New Replies:
By CSA on 21 September, 2008 - 6:22 pm -
By CSA on 21 September, 2008 - 6:22 pm -
CTTech,
Contact inputs are optically isolated from the electronics on the TCDA cards. Even though...
i have problem in program the ladder diagram using pulse i/o board...
Does anyone know of a manufacturer for V-cone flowmeters?
New Replies:
By wboyes on 21 September, 2008 - 6:13 pm -
By wboyes on 21 September, 2008 - 6:13 pm -
Rohit, will you STOP advertising your product, please. This is a list that tries to be...
Im trying to run Vijeo Desingner on Windows Vista but it doesn't start.
New Replies:
By fethi gueddour on 21 September, 2008 - 6:12 pm -
By fethi gueddour on 21 September, 2008 - 6:12 pm -
yes, right click in your shortcut, click in advanced and select ”run as administrator”...
Can anybody could explain the term Isoch/share and Isoch/kW and is it the same as Droop and Isochronous?
13 bit analog programming of siemens s7 plc
avr limiter alarm came and avr switched to standby channel automatically
While communicating with slaves using Modbus master I am getting the following errors...
New Replies:
By ranjana on 21 September, 2008 - 6:09 pm -
By ranjana on 21 September, 2008 - 6:09 pm -
Dear Mr.Daniel Chartier,
I am looking for a successful Modbus Master program for CP341 to read...
I would like to know how to use LCC/DCC keypad.
New Replies:
By Faraz on 21 September, 2008 - 6:08 pm -
By Faraz on 21 September, 2008 - 6:08 pm -
Thanks for the reply. No one is clicking Card_ID but following diagnostic alarms of STG's Mk-V...
I am investigating the need for remote control products within automation.
New Replies:
By cac on 21 September, 2008 - 6:07 pm -
By cac on 21 September, 2008 - 6:07 pm -
Hi Joe,
Thank you for your input, it is worth more than 2 cents to me ;-)
I hope other people...
Have a waterfall churning out 12KW from an induction generator. My local utility gave me a new electronic meter that records the absolute kWh. So now when I send them excess power they charge me for the privilege! My old spinning disk meter was more fair even with an anti reverse ratchet!
New Replies:
By Rob on 21 September, 2008 - 6:05 pm -
By Rob on 21 September, 2008 - 6:05 pm -
Hi Phil,
We have 65 meter head and 30 L/sec design flow.
I'm about to install another turbine to...
Kindly tell me how generator increase its load by just increasing the fuel of prime mover...
New Replies:
By CSA on 21 September, 2008 - 5:50 pm -
By CSA on 21 September, 2008 - 5:50 pm -
Bruce, Much too wordy, and no exclamation points.
The basic formula for electric power produced...
Fr. 9E GE gas turbine main hydraulic oil discharge pressure get change suddenly without leakage and any other reason.
New Replies:
By CSA on 21 September, 2008 - 5:48 pm -
By CSA on 21 September, 2008 - 5:48 pm -
I don't have a set of piping schematic drawings to review today, but if you are referring to the...
Converting rs232 to rj45 or panelview 8 pin for dh485
New Replies:
By Bob Peterson on 21 September, 2008 - 5:42 pm -
By Bob Peterson on 21 September, 2008 - 5:42 pm -
they are the same port more or less. one is used to download the configuration to the hmi, the...
Upload application from Panelmate 1000
New Replies:
By Trevor Ousey on 21 September, 2008 - 5:41 pm -
By Trevor Ousey on 21 September, 2008 - 5:41 pm -
G'day,
Get a flashcard and try transferring the file from the PV1000 standard to the card. You...
By Bob Peterson on 21 September, 2008 - 5:40 pm - there is no conversion utility to convert a PM1000 to PV+....
We have four GE Frame9 gas turbines (MarkIV) that always run on base load. While GT is running on furnace oil, sometimes (at least once in 2 hours) heavy dark black smoke comes out of boiler stack (GT running in combined cycle mode) which lasts from 5 to 10 minutes & then becomes normal...
New Replies:
By JMW on 21 September, 2008 - 5:38 pm -
By JMW on 21 September, 2008 - 5:38 pm -
When burning furnace oils.... the viscosity becomes important because there will be an optimum...
By jojo on 21 September, 2008 - 5:38 pm - Hi CSA,
small comment, in the first sentence speedtronic mentions 'heavy dark black smoke comes...
DX9100 checksum/BCC calculation
New Replies:
By victor on 21 September, 2008 - 5:36 pm -
By victor on 21 September, 2008 - 5:36 pm -
Here write the code used to make the checkSum to comunicate with UNT and VAV of the JCI protocol...
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