Posted by mohan on 8 December, 2011 - 4:54 pmadjusting linearity
how to adjust the linearity error if provided
Posted by tommyboy on 8 December, 2011 - 2:39 pmBently Nevada vibration/position procedures
Need help creating vibration/position procedures
Posted by Moller on 8 December, 2011 - 5:37 amMass flow calculation
How to calculate the mass flow of the axial compressor
Posted by Chrisman on 8 December, 2011 - 3:38 amDifferent Modbus Value Indication Nuflo 2000 ModWorx vs Modscan32
Different Modbus Value Parameter Reading comparing ModWorx and SCADA is showing different value.
Posted by ibrahim abdel mohsen on 8 December, 2011 - 1:58 amCS7X CAC control system design
CS7X CAC control system from production .
Posted by G.Rajesh on 8 December, 2011 - 1:35 amHydraulic ratchet trouble
GE Frame-6B ratchet mechanism is not working
Posted by sardar9 on 7 December, 2011 - 1:37 pmDenox temperature
Denox Steam high Temperature high trip
Posted by Sandeep Sharma on 7 December, 2011 - 11:39 amHigh speed counter for s7-224xp
sample logic for high speed counter
Posted by Mandar on 7 December, 2011 - 5:30 amGPS Time Synchronization
GPS System time synch signal
Posted by ALFREDO IRIARTE on 7 December, 2011 - 12:12 amBSAP TO MODBUS
protocol BSAP / Modbus / DNP3 converter
Posted by Saber on 6 December, 2011 - 11:55 pmConfiguring Unused Servo output Loop #6 for IGV.
Configuring Unused Servo output Loop #6 for IGV.
Posted by NST on 6 December, 2011 - 11:03 amINDRAMAT question
Indramat system that "from time to time" starting to tremble.
Posted by M.S. KALEEM on 6 December, 2011 - 9:39 amBOILER DRUM LEVEL GLASS ISOLATION VALVE
TELL ME WHY BOILER DRUM LEVEL GLASS ISOLATION VALVES ARE OPPOSITE IN DIRECTION?
Posted by M.S. KALEEM on 6 December, 2011 - 9:32 amHEAT RECOVERY STEAM GENERATOR
WHY DO WE USE FORCE CIRCULATION IN HEAT RECOVERY STEAM GENERATOR?
Posted by G.Rajesh on 5 December, 2011 - 11:48 pmFire protection
GE Grame-9E not having fire protection equipment in the exciter and coupling compartment.
Posted by yuki on 5 December, 2011 - 8:28 pmParameter of PI Controller
Parameter of PI Controller - First Order Plus Time Delay System
Posted by John George on 5 December, 2011 - 12:58 pmDouble Acting Valve Positioner
How to calibrate double acting valve positioner - type Fischer DVC 6020?
Posted by Gvkamath on 5 December, 2011 - 4:46 amAutrol Transmitter in HART
Problem of .dll file of Autrol Transmitter in HART.
Posted by Gvkamath on 5 December, 2011 - 4:25 amHART communication with ABB Transmitter
Problems faced in HART communication with ABB transmitter.
Posted by raveesh on 5 December, 2011 - 3:32 amModbus4j java libraries
not able to retrieve the device properties like device name, device MAC Address, VendorId etc using jamod.jar and modbus4j.jar
Posted by salman on 4 December, 2011 - 2:18 pmhow the power gain is estimated
how the power gain is estimated due to increase of turbine inlet temperature
Posted by Shakkthi on 4 December, 2011 - 7:02 amCan anybody explain the difference of Exd & Exde protections??
What is the difference of Exd & Exde protections?
Posted by MacGyver23 on 3 December, 2011 - 8:26 pmABB 800xa PID Tuning parameters
PID tuning parameters on ABB 800XA compare to other DCS.
Posted by Henry on 3 December, 2011 - 12:14 pmFine torque control
Smooth torque control from zero to 2Nm
Posted by ebenezer on 3 December, 2011 - 11:38 amUsing a step down transformer as a step up transformer
can a step down transformer be used as step up transformer?
Posted by engineer on 3 December, 2011 - 7:50 amCT secondary terminals
CT secondary terminals short
Posted by Shree on 3 December, 2011 - 7:31 amUser Manual for 20-750-UFB-1
User Manual for 20-750-UFB-1
Posted by SANJIB PRASAD SEN on 3 December, 2011 - 3:34 amDEVELOP APPLICATION IN C++ LINUX TO INTERFACE WITH ADVANTYS OTB IN TCP/IP
developing an application in C++ which will work on modbus TCP/IP and write to the register of the Advantys OTB devices.
Posted by stefano sormanni on 2 December, 2011 - 12:29 pmfunction code 23 with TSXETG100
Unity Premium + ETG100 for function code 23
Posted by bhargav89 on 2 December, 2011 - 10:29 amToshiba L2PU22 Controller
Posted by Leonardo Cidral on 2 December, 2011 - 8:20 amWAGO 789-602
Wago 789-602 using button Schlegel DMF_A PTM 230 protocol.
Posted by parsa on 1 December, 2011 - 9:43 pmshowing passivity by dot product
how to show passivity by dot product ?
Posted by Patrick Burgers on 1 December, 2011 - 8:44 pmConnecting Yaskawa V1000 to S7 with Profibus
Looking for example project.
Posted by benedict ben on 1 December, 2011 - 4:33 pmmodel equations for the different pid structure/forms
Involved in a research on "numerical experimentation with pid controllers" and desperately need the model equations for the various pid structures/forms/algorithms.
Posted by Alex_1977 on 1 December, 2011 - 2:47 pmRedundancy ControlNet
Redundancy ControlNet issue
Posted by ffpaj on 1 December, 2011 - 11:35 amVacuum/Back pressure improvements
ways to improve vacuum/back pressure
Posted by nikhilkapoor_vit on 1 December, 2011 - 1:37 amTech Specs needed for a "Kidde CO2 fire suppression" part
Urgently Needing tech specs of Kidde CO2 suppression system part No-K93434.
Posted by student on 30 November, 2011 - 9:57 pmGE naming scheme
Where can I find GE gas turbine naming scheme, like KKS in Siemens machine ? Similar to Tag number.
Posted by Scot B. on 30 November, 2011 - 8:17 pmstarter PLC
Looking for a starter PLC for beginners
Posted by sami on 30 November, 2011 - 5:10 pmDigital output card - PLC
PLC digital output card for Solenoid valves
Posted by Quangvu on 30 November, 2011 - 3:40 pmConnecting ETG1000 and TWIDO TWDLCEA40 through Modbus
Modbus communication between ETG1000 and TWIDO TWDLCEA40DRF
Posted by Jose Rey on 30 November, 2011 - 3:38 pmWhere to get nice rem control valves
Re-manufactured Fisher control valves
Posted by Hamid on 30 November, 2011 - 12:52 amShutdown Valve for Hydrocarbon Service: Butterfly Valve, Any Concern?
Is there any concern for using a butterfly valve as process shut down valve in hydrocarbon service?
Posted by masod on 30 November, 2011 - 12:28 amSteam turbine Diff. expansion
A 55Mw Steam turbine has problem with Diff. expansion.it goes to negative value.
Posted by Steve Myres on 29 November, 2011 - 10:49 pmRe: Interface advice for connecting Arduino to Badger ADE Water Meter
I'm looking for help with interfacing an Arduino with a Badger ADE water meter
Posted by HASS on 29 November, 2011 - 10:46 pmAB SLC5/03
CONFIGURATION OF PLC PROGRAM
Posted by Jason on 29 November, 2011 - 8:37 pmInterface advice for connecting Arduino to Badger ADE Water Meter
I'm looking for help with interfacing an Arduino with a Badger ADE water meter
Posted by Guy Massicotte on 29 November, 2011 - 5:25 pmSplit range ratio control
How to implement a ratio and split range controller?
Posted by Wasantha K on 29 November, 2011 - 8:00 amGas Turbine GCB Opening
How Gas turbine GCB opens???
Posted by vsegvic on 29 November, 2011 - 3:00 amDelta - star starter of pump
Dimensioning the genset for starting a pump with delta - star starting system
Posted by amit on 29 November, 2011 - 1:35 amelectric cables
Is feasible to use 2.5 sq. mm cable instead of 4 sq. mm cable if the insulation of 2.5 sq. mm cable is better then 4 sq.mm cable?
Posted by Matt on 28 November, 2011 - 7:51 pmAdding a Web Interface
I have never programmed a PLC before, but I suspect I need to learn for this project: remote heater control.
Posted by Stephen Harms on 28 November, 2011 - 6:57 pm'unbalanced' three phase delta system
I'm seeking an answer to how you figure out the other angle in the equation Ic = Icb + Ica.
Posted by Jerry on 28 November, 2011 - 8:41 amPneumatic Cylinder Operation
Pneumatic Cylinder Operation
Posted by Per Abrahamsson on 28 November, 2011 - 7:12 amModicon multiple MSTR excecuting
Program behavior when max number of MSTR is exceeded.
Posted by Mahsa Rassoulzadeh on 27 November, 2011 - 11:24 amCitect Alarm Redundancy and Alarm logging to Standby system problem
Standby Citect Alarm Server can not log alarms to log device when Primary Server disconnects from the network
Posted by Nguyen Thanh Son on 27 November, 2011 - 5:34 amRestoration MKVI
Restoration MKVI from 3 CD As shipped
Posted by murthy on 27 November, 2011 - 5:15 amProtection for Servo motor drive
How do I protect the servo motor drive from failure when drive is connected to input supply through mcb?
Posted by G. Suaza on 26 November, 2011 - 3:37 pmDiscontinued CPU in ABB Line AC800M
Discontinuing in production of CPU´s models in ABB line AC800M.
Posted by Mohamed on 26 November, 2011 - 3:07 pmalarm and trip
the unit give alarm on the HMI and not give alarm in alarm event
Posted by Luca Gallina on 26 November, 2011 - 10:49 amSHARP LJ512U25 replacement
SHARP LJ512U25 display replacement
Posted by kufre bassey on 26 November, 2011 - 2:15 amAlgorithms used for the digital implementation of pid control
New to process control and working on a project which involves comparing algorithms used for the digital implementation of pid controller. not quite sure how to proceed.
Posted by kenn on 25 November, 2011 - 10:23 pmFlow Indicator Transmitter Calibration
Difficulties calibrating flow transmitter.
Posted by MichaelMorris on 25 November, 2011 - 4:26 pmLooking to start a career in DCS
How to start learning about DCS...
Posted by ashiq on 25 November, 2011 - 5:39 amBAILEY INFI-90 ETIMER CODE 86
ETIMER (Function code 86)Shows 26 hour increments in 24 hours.
Posted by Rushi Shroff on 24 November, 2011 - 11:20 pmApplications of Drives in the industry
Applications of AC/DC Drives
Posted by Thomas on 24 November, 2011 - 4:47 pmProportional and integral control of tank system
Need Help in a simple control system for tank system
Posted by syurish on 24 November, 2011 - 7:07 amAll about Sensors
November 2011 issue of the International Frequency Sensor Association Newsletter
Posted by YZ on 24 November, 2011 - 2:34 amMARK VI Back Up HMI
Preparing MARK VI Back up HMI
Posted by Ahmed on 24 November, 2011 - 1:00 amI&C Quality Issues
Quality & punch list items
Posted by Jigar Parikh on 23 November, 2011 - 5:29 pmGE Frame 6b GT firing temperature
GE Frame 6b GT firing temperature calculation
Posted by Muhammad Tayyab on 23 November, 2011 - 7:56 amHydrogen Purity meter Installation Guidelines
Installing a Hydrogen Purity meter would like some guidelines
Posted by Ehsan on 23 November, 2011 - 1:34 amHumming problem in Siemens GT V94.2
information about V94.2 combustor humming/tile damage.
Posted by Rickwell on 23 November, 2011 - 12:06 amInstalling RSLogix V16
Error when installing RSLogix V16
Posted by kmkn on 22 November, 2011 - 11:08 pmCitect cicode sql
using cicode to display sql data
Posted by Laurent F on 22 November, 2011 - 10:12 amIs there a method to dump MKVIe Variables ?
Is there a method to dump MKVIe Variables, like you can do in MKV with the Dump.exe?
Posted by Juan Carlos on 22 November, 2011 - 9:32 amParallel Transformers with Different Impedance
Parallel XFMR with different %Z
Posted by Kamran on 22 November, 2011 - 7:10 amChemical filter for Control Panel
Want to replace filter with chemical filter due to highly corrosive environment from sulfur and copper on I/O modules.
Posted by aryan on 22 November, 2011 - 6:05 amVacuum Circuit Breaker
No of switching operation of a breaker ?
Posted by RR on 22 November, 2011 - 5:13 amHART COMMUNICATOR
HART communicator can communicate to Negative to GROUND?
Posted by innercalm on 22 November, 2011 - 3:12 amCompressor unload control
Request for help controlling the load/ unload cycle of compressor that lacks an external input for same
Posted by Chrono on 22 November, 2011 - 2:42 amTransfer Function of the Voice Coil Motor
How to construct the transfer function of a voice coil motor?
Posted by Trevor on 21 November, 2011 - 3:37 pm1920x1080 touchscreen
Wide touchscreen for Factorytalk server with screens designed for 1920x1080
Posted by rmarotta on 21 November, 2011 - 11:53 am4 - 20 ma. to ethernet
Inexpensive wi-fi monitor to display 4-20ma. signal in a web browser.
Posted by Bhaskar Mittal on 20 November, 2011 - 11:27 pmTank filling line vavles for H2SO4 and for NaOH
1. Valves between Tanker to tank filling line for H2SO4 and for NaOH
2. Total Organic Carbon Analyzer
3. Oil & Grease Analyzer
2. Total Organic Carbon Analyzer
3. Oil & Grease Analyzer
Posted by James on 20 November, 2011 - 11:04 pmReverse connections of DP transmitter
What will happen to a rosemount 3051SCD transmitter if process connections are reversed.
Posted by calvein on 20 November, 2011 - 11:55 amHydraulic supply problem in GT
Usage of hydraulic oil in GE Frame V gas turbine
Posted by McCarthy02 on 20 November, 2011 - 10:47 amPID Controller
DC Motor Speed Control using PID
Posted by DAMENE Amar on 20 November, 2011 - 8:33 amTrip History Log
Problem with Trip History Log Program on Speedtronic Mark 5
Posted by renato on 19 November, 2011 - 6:47 pmexcitation voltage
Verification on excitation voltage/current effect on large induction motors
Posted by Pavel on 19 November, 2011 - 1:51 pmOmron FINS protocol realization at PC side using Qt(C++)
Omron FINS tcp/ip driver using QTcpSockets
Posted by Begineer on 19 November, 2011 - 11:20 amControlling a servo valve
Controlling a servo valve
Posted by amir on 19 November, 2011 - 9:34 amFatek PLC & citect communication
Fatek PLC & citect communication
Posted by rzeznik on 19 November, 2011 - 8:03 amCommunicating with Hart, Fieldbus etc.
software for calibration - Communicating with Hart, Fieldbus etc. using one comms cable
Posted by labik on 19 November, 2011 - 3:06 amTwido + XV-252 HMI by Moeller Modbus TCP
Problem with communication of Twido and XV-252 HMI panel.
Posted by BIL07 on 19 November, 2011 - 12:14 amMARK V TMR Trip
Mark V TMR trips but still seems to run normally
Posted by Kiran Kumar on 18 November, 2011 - 11:10 pmOrifice Plate Design
What is the role of Drain Orifice in an Orifice plate? In what kind of applications it is used.
Posted by Ken E on 18 November, 2011 - 3:19 pmKeyence KV software
Does the latest version of Keyence software support the original Keyence KVs? (KV10, KV16, KV24, KV40)
Posted by engineer on 18 November, 2011 - 8:04 amlag time utility in control system
lag time utility in control system
Posted by Kshitiz on 18 November, 2011 - 7:46 amModbus and meters
Is Modbus protocol same for every electronic meter?
Q: How many Zen masters does it take to screw in a light bulb?
A: None. The Universe spins the bulb, and the Zen master stays out
of the way.