from the Forum department...Turbine Throttle Pressure and 1st Stage Pressure
Difference between throttle pressure and 1st stage pressure
from the Urgent department...Time and Date in Honeywell control builder
How could use time and date in control module?
By Robert Perez on 19 April, 2014 - 8:56 am -
> but unfortunately i couldn't find variables CEE1.HOUR...... > i have many control module...
thank you so much sir but unfortunately i couldn't find variables CEE1.HOUR...... i have many...
By Robert Perez on 9 April, 2014 - 9:05 am -
Hi Mostafa, you could get the hour, minute and second variables from the CEE under the...
from the Forum department...Driving a Stepper Motor
I am seeking advice on the best methods to effectively control a stepper motor.
from the Forum department...MODBUS Break Condition & Checksum
MODBUS RTU using RS485 to RS232 converter connected to RS232 to USB converter to communicate with electric meter using MODBUS Poll.
By Lynn August Linse on 17 April, 2014 - 10:53 am -
Having the RS-485 +/- reverse (or swapped) will usually look like a BREAK condition if blindly...
By Steve Myres on 16 April, 2014 - 1:04 pm -
Maybe try a different converter (or your current setup with another slave). FTDI sells some that...
from the Instrumentation & Control department...Liquid gas level measurement
Liquid Gas Level measurement
By Sam on 17 April, 2014 - 3:45 am -
The instrument to use in a application like this is a DP with capillaries and chemical seals with...
from the Computer department...Serial Communication VB Code
Continuous reading of serial input
from the Level Control department...Magnetorestrictive Level Transmitter issues
Extreme vibration and loss of signal on level transmitters
By Sam on 15 April, 2014 - 8:12 am -
Hi Mateus, there is only one instrument when you are working offshore on a FPSO or Platform...
from the Forum department...Windmill Alternator
Control of windmill alternator load
Karsten Rasmussen... following are two ways to change speed: o control blade-pitch. o control...
Karsten Rasmussen, I think it's going to be pretty difficult to control the speed of a wind mill...
from the Forum department...Actuator indication and control
How to obtain indication and control from a Rotork actuator
Other types of actuators use two drive signals: - one signal drives the actuator 'open' - the...
By rvsaradhi on 11 April, 2014 - 2:17 pm -
please provide actuator model number and application...
from the Forum department...Clarification about droop and frequency control
Turbo-generator response to changes in the power grid frequency.
Dear All, I am working on Hitachi Gas Turbines and Shin Nippon Steam turbines. There are three...
By bruce on 11 April, 2014 - 11:23 am -
Dear mik, Droop is a function in the turbine controller to help controlling frequency on the...
from the Automation department...Newbie in SCADA world, need some directions
Newbie in Power System Automation, needs direction.
from the Investors department...New Flow Measurement Method
How to find an investor of instruments.
Abdolazim Hasseli... first get a reliable Patent Attorney! Do Not, repeat,...
from the Engineering department...Deriving RMS from Vibration Transmiter
How we can drive the rms vibration from Peak
Shakarami... the reason I suggested that you first derive wave-shape is because there are...
Ali Shakarami, Using my preferred Internet search engine and the search term: "convert...
Shakarami... to determine the RMS value of any signal you must extract its wave-shape for one...
As you know the vibration signal may not completely sinusoidal! how can we drive the RMS value...
Only if if the single is sinusoidal! Phil...
By BIL007 on 7 April, 2014 - 12:05 pm -
V RMS=0.707*pk ...
from the snoozing while computers control. department...Missing flight 370 is a control issue
Long haul pilots today...program the flight management systems and snooooooooze
By Multatuli on 7 April, 2014 - 6:36 am -
SOE Multatuli. Squence of events. 1) Altimeter readings incorrect: ...
By TOD on 1 April, 2014 - 10:12 pm -
AP. Asiana wrote in the filing made public by U.S. accident investigators that the Boeing 777...
from the ICE department...Sliding Mode Control Design in Matlab
How to use sliding mode control design using matlab m- file?
from the instrumentation department...Loop calibration for 2 wire loops
Loop Calibration for 2 wire loops from calibrator that gives 24VDC loop output power
Can you do a loop calibration? Probably. But you're on your own figuring it out. Kusam...
from the Custom Cabling department...Making extension for Molex P4 connector
Need to extend supplied cables that connect Adjustable Height Table legs to Controller Box.
flizit, Excellent news! ...
Gave a test cable a go, and the legs work just fine with it. Thanks so much for your help! What...
from the Instrument department...ABB Thermocouple Transmitter reading fluctuates
Transmitters reading Fluctuating
Okay, You answered some of the questions. Have you checked the thermocouples in the stack to...
first off all i am sorry for writing down transmitter model is ABB TH02. the answer of your...
from the Proces Control department...Exe certification
Exe certification of a junction box
The best place to ask this question is with the supplier of the equipment, rather than a generic...
from the Automation List department...Why is current transformer secondary short circuited?
Why is current transformer secondary short circuited during the operation?
By arthur on 1 April, 2014 - 12:18 pm -
All comments where very helpful. In addition, i think one can also use the transformation formula...
from the electrical engineering department...% impedance of power transformer
Elaborate on % impedance of power transformer.
AT... would you prefer the RoT formula, ignoring impact of X/R ratio and exciting-current, on...
AT... Additional to my previous post: 5) " %X = . . . . . = 10.9503 " (NO!) Your...
from the Forum department...Series C IO Module in Honeywell DCS failure
Series C IO Module in Honeywell DCS failed
By Jim Delaney on 1 April, 2014 - 7:53 am -
Assuming it isn't something like being baked to death in a panel because the panel's...
from the Forum department...Iron in IP Boiler
Iron in IP Boiler
Hi, High iron levels in drum could be the reason of FAC in your riser tubes. LP tubes are more...
By d- on 31 March, 2014 - 1:54 pm -
check your dearator, if you are not removing the D.O., it will attack iron and cause severe pitting....
By Bill Schwarz on 31 March, 2014 - 1:45 pm -
What type of water treatment chemicals are you using? Overly aggressive application of scale...
from the Forum department...Fan trips on overload after changing motor
Fan trips on overload after changing 37kw 4pole motor to a 5 KW 2 pole motor.
By d- on 31 March, 2014 - 1:42 pm -
let me better understand your situation: are trying to increase the fan rpm's? if so by how...
Hartley's First Law:
You can lead a horse to water, but if you can get him to float
on his back, you've got something.