Posted by Sagat on 30 May, 2014 - 4:03 amVFD SPEED OF 60HP DRIVE
I am using AMTECH make VFD of 60HP for blower application.
Posted by TF on 30 May, 2014 - 4:02 amMk5 Speedtronics
Gaining a better under standing of the process control that usually resides within a GE Mk5 Speedtronics
Posted by tauqeer on 30 May, 2014 - 2:58 amingersoll rand xe controller remote comunication
Communicating and controlling an ingersoll rand xe145-f controller
Posted by Amin on 30 May, 2014 - 1:52 amBackpressure Steam Turbine rotor axial displacement towards inactive side
Steam turbine rotor (back-pressure steam turbine) - rotor axial movement towards inactive side. Why?
Posted by me on 29 May, 2014 - 8:28 pmToshiba Automation Co PRS equipment
Looking for any information on Toshiba PRS system
Posted by kuldeep on 29 May, 2014 - 4:51 pmYokogawa CS1000 Report problem
report tag communication error
Posted by GBrown on 29 May, 2014 - 4:50 pmInstrument Tech Training Topics
My boss has asked me to create a training program from the instrument techs that is one 3 hour course a month for 2 years.
Posted by Paul Tinetti on 29 May, 2014 - 4:48 pmEDDL files stored in/on device?
Why haven't manufacturers figured out a way to store EDDL files in on-board memory of devices?
Posted by Ashiq on 29 May, 2014 - 5:38 amSolatron flow computer Corrected volumetric flow
re-configure Solatron 7951 flow computer.
Posted by Josh on 29 May, 2014 - 4:53 amThree way valve - on/off
Three way valve - on/off control design
Posted by Alphite on 28 May, 2014 - 4:25 pmControlling flow and pressure to a spray ball
How to control flowrate and pressure with a positive displacement pump.
Posted by Tom on 28 May, 2014 - 5:03 amIs Barrier Requirements
IS Barrier Requirements for PLC
Posted by hatimnazir on 27 May, 2014 - 3:12 pmHoneywell DCS Server and Stations timing Synchronization Issue
Honeywell DCS Server and Stations timing Synchronization Issue
Posted by me on 27 May, 2014 - 11:14 amLeary M06 Microwave Sensor
Looking for information on the M06 Microwave Sensor from Leary
Posted by Norm on 27 May, 2014 - 9:25 amMark VIe 88BD motor HMI control Lead/Lag
Cannot control 88BD diffuser blower motors from control room HMIs
Posted by Moaz Tajammal on 27 May, 2014 - 9:15 amCMS (GE) Anti-Surge Controller
Anti-Surge Controller acting weirdly.
Posted by Javier on 26 May, 2014 - 11:42 amTemperature Setpoint during initial loading
Steam Setpoint during initial loading on a combine cycle 9FA
Posted by Sagar on 26 May, 2014 - 5:45 amVFD Speed
Over speeding a motor by reference signal even if the frequency limit has been set in the VFD module
Posted by Sceptical Fred on 25 May, 2014 - 9:33 pmMk6 Speedtronic Capability
Ge Mk6 Speedtronic maths ability.
Posted by Derrick on 25 May, 2014 - 9:17 pmFoundation Fieldbus - Linearization Type
Foundation Fieldbus Linearization Type
Posted by islam84 on 25 May, 2014 - 5:43 amAnti surge valve and enabling solenoids
Why is the anti surge valve associated with two enabling solenoids?
Posted by Genjua on 25 May, 2014 - 4:44 amConnection for Twido RS485 with XBT OT DB9
Connection/pinouts of the cable that connects a Twido RS485T which contain 3 Terminal with XBT OT COM2 DB9 which contain 9 Termnials?
Posted by chudy on 24 May, 2014 - 12:21 pmgas turbine start up
is it possible to start a gas turbine plant on black start with only 2 processors?
Posted by ABDI on 23 May, 2014 - 11:34 pmUnable to go into Premix Mode
Unable to go into Premix Mode. Should we use Primary or secondary mode?
Posted by tester89 on 23 May, 2014 - 10:38 amMODBUS Protocol Confusion
Would like some clarifications on Modbus variations.
Posted by Mario Soto on 22 May, 2014 - 8:22 pmJAGXTREME and Yokogawa power meter
I want to get a torque value output from a Jagxtreme terminal so I can use it as torque input (BNC connection) for a Yokogawa power meter (motor version)
Posted by James on 22 May, 2014 - 4:49 pmMason's rule help
need help solving a flow chart from mason's rule
Posted by Asif Ferdoush on 22 May, 2014 - 1:31 pmPower System Control & Stability
What happens when power system is subjected to any kind of disturbance?
Posted by amin hadavi on 22 May, 2014 - 10:33 amYaskawa servo motor
Yaskawa servo motor working noisy & vibrating
Posted by adel on 22 May, 2014 - 7:21 amTurbine Generator and Step-up Tansformer Size
what is the impact of power factor on the size of GT and Step-up transformer
Posted by JK Seo on 22 May, 2014 - 1:34 amGas Turbine Water Wash
Gas Turbine Water Washing Procedure
Posted by Fluoronator on 21 May, 2014 - 7:03 pmWhy are electrical systems grounded?
My google search has only yielded superficial answers. What is the real reason?
Posted by raul on 21 May, 2014 - 6:33 pmVacum in Steam power plant
Variation of steam temperature in vacuum ejector.
Posted by Jhon on 21 May, 2014 - 10:05 amBuffer Air Quality
Buffer air for sealing in dyno or centrifugal compressors.
Posted by islam84 on 21 May, 2014 - 9:09 amAntisurge valve failure reporting case study
Antisurge valve failure reporting case study
Posted by Broner on 21 May, 2014 - 3:08 amFailed 15 kV Vacuum Circuit Breaker
Failure of a 15 kV POWL-VAC circuit breaker protecting the GSU transformer
Posted by Talluri on 21 May, 2014 - 2:59 amEndress+Hauser Level Transmitter Hunting
What is the possible cause for Level transmitter hunting?
Posted by Manfred Hinsch on 20 May, 2014 - 6:01 pmwoodward EGB governor with 723plus
Require guidance / config for initial setup:
Woodward EGB governor / Woodward 723PLUS
Woodward EGB governor / Woodward 723PLUS
Posted by Johnplayers on 20 May, 2014 - 9:42 amGE Gas Turbine Corrected Speed
Importance of GE Gas Turbine Corrected Speed
Posted by Cyril on 20 May, 2014 - 2:47 amPower Plant blackout
Reason for Total power plant blackout
Posted by control me on 19 May, 2014 - 11:57 amGas turbine trip
Gas turbine tripping. Basic steps for troubleshooting.
Posted by mahdi on 17 May, 2014 - 11:42 pmDeltav Network
Link two different version of DeltaV
Posted by Reeny on 17 May, 2014 - 5:00 pmSiemens s7 backup
what is the process to take an online backup of steam controller (S7-400 cpu417H).
Posted by Reeny on 17 May, 2014 - 4:41 pmcontrol adinistration
is there a way to normalize the new ES with the AS?
in Siemens TXP control system
in Siemens TXP control system
Posted by mhmd on 16 May, 2014 - 5:44 pmTXP control system administration
is there a way to take an image of ES, PU, SU, OT, without using SCSI tape reader
Posted by J.Atkinson on 16 May, 2014 - 9:09 amWeb XML into DCS/PLC
Require a solution for communicating XML data from the web into a DCS / PLC system.
Posted by Shaker Hashlan on 16 May, 2014 - 5:34 amGovernor Response
what is the Governor Response and how to calculate and size it?
Posted by scientif on 16 May, 2014 - 4:38 amDiesel Sets vs Gas Reciprocating Engines
Number of sets (diesel or gas engines) to start a load.
Posted by TheController on 15 May, 2014 - 5:21 pmOne control variable for two loops
Can we have one control variable control two different loops?
Posted by Neo on 15 May, 2014 - 4:57 amEnron Modbus slave Developement
Basic question regarding Enron modbus stack/cache
Posted by Prasana on 14 May, 2014 - 4:29 pmVortex Flow Meter
Troubleshooting Vortex Flow Transmitter
Posted by Controller on 14 May, 2014 - 1:40 pmWhy Integration in PID causes overshoot?
Understanding of how PID controller affect a system.
Posted by Kuummaarr on 14 May, 2014 - 10:54 amTrouble in generators
Generator unable to maintain load in auto mode. When running on load individually then it is working fine. The governor motor contactors high and low keep operating for a long time.
Posted by JoseyWales on 13 May, 2014 - 4:54 pmNetwork Issues
My network settings are correct but I am not able to connect to the IP address 10.1.1.250
Posted by Jeet on 13 May, 2014 - 9:34 amPower System
What happens if an alternator is running on 0.9 pf (lag)?
Posted by Visakh on 13 May, 2014 - 4:18 amSynchronous motor tripping on reverse power relay
TRIPPING OF SYNCHRONOUS MOTOR ON REVERSE POWER RELAY
Posted by jay on 12 May, 2014 - 11:59 pmGasoline/Water Interface Level
Measuring gasoline/water interface level
Posted by Fathi Ali on 12 May, 2014 - 11:55 pmNegative phase sequence
Strange a trip condition on Negative Phase Sequence of diesel generator
Posted by DanVal on 12 May, 2014 - 12:57 pmDifference between Premix Steady State and Lean Lean extended mode
what is the difference between Premix Steady State and Lean Lean extended mode of a Frame 9E GE Gas Turbine?
Posted by paru on 12 May, 2014 - 5:50 amtransformer oil corrosivity
Why the transformer oil DBDS and CCD test are showing different results?
Posted by karthick on 12 May, 2014 - 3:47 amElectromagnetic flow meter problems
Totalizer reading on electromagnetic flow meter of chemtrols errors.
Posted by lukesh on 11 May, 2014 - 11:36 amalternators connected to infinite bus bar
alternators connected to infinite bus bar...problem
Posted by hknclk on 11 May, 2014 - 9:36 amMeasuring Flow with Annubar
Should pipeline be full of water for measuring flow with annubar?
Posted by ESRAA on 11 May, 2014 - 2:12 amConnecting a weight display using S7-200 MODBUS Master
how to connect two weighing display to port 0 of CPU 226 via modbus master library and read the indicated weight of the display in software v4.0 microwin step7 SP5
Posted by David Hackenbracht on 10 May, 2014 - 5:23 pmNewbe question - how to set up an VLDT
trying to calibrate a rotary LVDT
Posted by Osman Ahmad on 10 May, 2014 - 1:19 pmKepware not Reading Values from Modbus TCP/IP Driver
Delayed Data Refresh on Kepware OPC Server connected to Modbus TCP/IP Modicon Device.
Posted by raul on 10 May, 2014 - 10:57 amOver excitation after synchronizing
Under automatic control after synchronizing the generator immediately takes from the line +40 Mvars
Posted by Bilal on 10 May, 2014 - 1:21 amFreezing of AB PanelView Plus
Allen Bradley Panelview Plus HMI freezes with a pop-up error message.
Posted by Ravisankar on 9 May, 2014 - 11:40 pmTurbine Overspeed Test
GE Frame 5C Gas Turbine used to drive Process Compressor -- after Major Overhaul, what are the minimum test requirements for HP overspeed?
Posted by karikob on 9 May, 2014 - 12:05 pmDOX5 communication error
DOX5 communication error
Posted by abrahash on 9 May, 2014 - 10:37 amAPI 616 Compliant
API compliant GT are expensive that standard OEM offering
Posted by Fathi Hadloul on 9 May, 2014 - 10:25 amExcitation limit operating Alarm
Excitation limit operating alarm and performance load test
Posted by Craig on 9 May, 2014 - 1:30 amOption to run AC lube oil in manual YES OR NO
Should we have the option to run in local?
Posted by Glenn on 9 May, 2014 - 1:03 amCan I Use The Same Instrument for Boiler Protection and Boiler Control?
Is it a violation to use the same instrument for boiler protection and boiler control (e.g. drum level)?
Posted by Muhammad Kashif Idrees on 9 May, 2014 - 12:49 amRedundant G60 Relays for Generator Protection
We are planning to replace existing GE make electro-mechanical type relays for protection of 31375kVA GE generator with Multi function G60 Numerical relay. Should we install two G60 relays for protection of one generator?
Posted by ABeng80 on 8 May, 2014 - 3:29 pmEmerson CSI 6500 to ControlLogix PLC
Emerson CSI 6500 Vibration Monitor needs to talk Modbus TCP to ControlLogix PLC
Posted by scientif on 8 May, 2014 - 7:16 amArc Flash furnaces in smelters with current inrush and re-strikes
Arc Flash furnaces in smelters with current inrush and re-strikes
Posted by Hoo on 8 May, 2014 - 3:41 ampulse scale factor
pulse scale factor
Posted by TJmustangTJ on 7 May, 2014 - 4:45 pmNeed help scaling Tridium Niagara AX front end with Modbus TCP points
I have a Wonderware Intouch front end with Modbus TCP points that I am replacing with Tridium Niagara AX.
Posted by gct on 7 May, 2014 - 4:10 pm4-20 ma HART Transmitter
HART transmitter showing only 4 ma or 3.9 ma but it should show 12 ma as per process variable indicated in HART communicator.
Posted by Tom Murphy on 7 May, 2014 - 3:33 pm7FA H2 Purge
7 FA Purge in preperation for a Magic Inspection for the Generator.
Posted by Farzin on 7 May, 2014 - 10:39 amThermocouple extension wire resistance
Thermocouple extension wire resistance
Posted by FredS on 7 May, 2014 - 8:19 amMultiple Controllers on one RTD
How can I use the same RTD for more than one controller?
Posted by Suresh on 7 May, 2014 - 4:45 amTrifoiling problem of cables
Trifoiling of power generation cable was done incorrectly during commissioning, which causes heating of the cables and results in cable fault.
Posted by Mostafa Qasemi on 6 May, 2014 - 2:57 pmHoneywell connection an output Scada point to a PID Block?
how connect an output Scada point to OP PID Block in control module?
Posted by HBAttila on 6 May, 2014 - 1:26 pmOPC Server Performance optimization
How can I optimize OPC server Performance?
Posted by Asok Kumar Hait on 6 May, 2014 - 11:20 amMultihole orifice plate
User experience in use of multihole (conditioning) orifice plate
Posted by SSU on 6 May, 2014 - 9:56 amWhy Synchronize to a Dead Bus?
What is a Dead Bus and why Synchronize to it?
Posted by Ahmed on 6 May, 2014 - 6:45 amSynchronizing to a Dead Bus
Valve Kick when synchronizing to a Dead Bus
Posted by PT on 6 May, 2014 - 5:23 amFloating point in little endian can be read in big endian but value not same.
Reading IEEE little endian format data
Posted by Sabarreesh on 6 May, 2014 - 4:17 amModbus connect with Android via TCP
we can connect android APP with modbus simulator (mod_RSsim.exe) using socket connection. but we couldn't write and read values from registers using functions from "jamod-1.2-SNAPSHOT.jar".
we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
Posted by Curious George on 6 May, 2014 - 2:33 amCritical Turbine control data over Ethernet
Throttle critical values over ethernet?
Posted by ASHUTOSH KUMAR on 6 May, 2014 - 2:28 amGround to Neutral Voltage-Limit
DCS floating voltage failure damaging workstation motherboard
Posted by John Moraes on 5 May, 2014 - 7:05 pmModbus RTU Serial Trunkline 'Taps'
Looking for 'Taps' for Modbus serial 4 wire trunkline.
Posted by William Monson on 5 May, 2014 - 1:04 pmMark V Scan rates
How can the scan rate on the SCADA and the Response time of the transmitter be knitted together?
Posted by bassambassam on 5 May, 2014 - 11:31 amModbus TCP communication via RS232 to TCP converter
How can i configure a communication between WINCC V7.0 and a controller through a RS232 to TCP converter??
Posted by Neo on 5 May, 2014 - 8:28 amGetting a better understanding of gas turbine control
How to get a better understanding of gas turbine control?
Posted by hh on 5 May, 2014 - 7:37 amLoad rejection in triple shaft turbines
Triple shaft turbines that have load rejection mode?
Posted by Jomin on 5 May, 2014 - 3:49 amInstrument cable earthing
Requirement of cable gland earthing.
Posted by AliAdil on 4 May, 2014 - 1:36 amWhat are the steps to synchronize while operating on house load
What are the steps to synchronize while operating on house load (in Frame 6 Mark VI-e control)
Of what you see in books, believe 75%. Of newspapers, believe 50%.
And of TV news, believe 25% -- make that 5% if the anchorman wears a