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)
Posted by Mostafa Qasemi on 3 May, 2014 - 2:28 pmCalling up filtered alarm list
Creating a filtered alarm list in Honeywell HMI station
Posted by Ugene on 3 May, 2014 - 12:58 pmseeking better understanding of how generator works
seeking better understanding of how generator works. An inquisitive mind awaits enlightening.
Posted by Shahed on 3 May, 2014 - 7:33 amNegative phase sequence
Alternator Negative sequence volt are showing 100% while positive sequence volt are showing 0%.
Posted by yogeshwar on 3 May, 2014 - 3:01 amZebra printer communicate with Delta PLC
Communicating between a zebra printer with a Delta PLC for Labeling Application.
Posted by tharun on 2 May, 2014 - 4:47 amGuardlogix Controller
What is the difference between a Rockwell Guardlogix controller and a Rockwell ICS triplex AADvance Controller in terms of Functional safety?
Posted by raul on 2 May, 2014 - 12:56 amReheater Steam turbines Valves
Why is the first Control valve after stop valve?
Posted by Luap on 1 May, 2014 - 8:22 pmGenerator damper control
Changing from pneumatic damper control to electronic damper control
Posted by bmrinell on 1 May, 2014 - 1:29 pmReading Data from a Scale with Quantum Unity Pro and 140 ESI 062 010 Card
Reading ASCII Data from Weigh Bin Scale with Quantum Unity Pro and 140 ESI 062 010 Card
Posted by Muthu on 1 May, 2014 - 1:07 pmDCS Clock Malfunction
Can the malfunctioning of the GPS clock trigger the ESD bits and shutdown the running plant?
Posted by MJ on 1 May, 2014 - 6:43 amEEx 'd' or IS
What are the criteria in deciding between EEx 'd'/'e' and Intrinsically Safe?
Posted by tapas on 1 May, 2014 - 5:27 amhow to detect over pressure
Sensor for detecting if pressure is out of 4 to 6 bar inside a pneumatic pipe
Posted by Fred Ramos on 30 April, 2014 - 11:19 pmFormula for Chemical Dosing
formula to use for Calcium Nitrate concentration?
Posted by MrChampion on 30 April, 2014 - 7:14 pmhow to send floating point numbers using the ModbusRTU protocol?
how to send floating point numbers using the ModbusRTU protocol?
Posted by WSNIA'14 Organizing Committee on 30 April, 2014 - 11:11 amWireless Sensor Networks for Industrial Applications Workshop (WSNIA'14) Call for Papers, Due on May 30th, 2014
Call for Papers/Posters: 2014 International Workshop on Wireless Sensor Networks for Industrial Applications (WSNIA-2014), August 17-20, 2014, Niagara Falls, Ontario, Canada.
Posted by Bob Peterson on 30 April, 2014 - 9:29 amLinux Ethernet/IP Driver
How to use Red Hat Linux to collect data directly from Allen-Bradley CompactLogix PLCs?
Posted by HH on 30 April, 2014 - 7:36 amBeginner in HAZOP study
What standards and codes are there for HAZOP?
Posted by Danish on 29 April, 2014 - 4:43 pmTransmission line safe distance from Gas Vent tower
220 KV transmission line safe distance from the Gas vent tower.
Posted by Krishna on 29 April, 2014 - 2:25 amRatchet fails to brake Frame-5 Gas Turbine
Ratchet motor with cooldown ON fails to brake the Gas Turbine rotor.
Posted by Anthony Porter on 28 April, 2014 - 6:45 pmABB / Bailey Conductor NT
Upgrading from Conductor NT 6.0 to Symphony Plus?
Posted by Rudi on 28 April, 2014 - 11:16 amConverting an Integer to S5Time in Access
Need to convert a integer in access or SQL to a S5Time format
Posted by farhan on 28 April, 2014 - 9:07 amBoiler Drum Level
Boiler Drum Level measurement/securities
Posted by Shaker Hashlan on 28 April, 2014 - 5:56 amOSI PI Engineering units conversion in GE Control System
Stuck with the US engineering units
Posted by Chandler Chen on 28 April, 2014 - 4:48 amCommunication between INTOUCH and ABB ACS550
INTOUCH ABB ACS550
Posted by Michael Kruger on 28 April, 2014 - 3:43 am2-car train system on inclined plane
State equations of a 2-car train connected with spring on an inclined slope.
Posted by Mostafa Qasemi on 28 April, 2014 - 1:10 amCall up group trend in Honeywell Station
When calling up a group trend in Honeywell station pushbutton in HMI it does not go to correct group.
Posted by Adeel Imtiaz on 28 April, 2014 - 12:04 amVibration Trip
Vibration probes wire disconnection effect.
Posted by Jack on 27 April, 2014 - 8:36 pmTransformer Multiple Grounding
Paralleling Transformer earthing connection
Posted by MattQ on 27 April, 2014 - 2:33 pmComparing steam flow and feedwater flow
Looking to find out how a comparison of feedwater flow and steam flow is made.
Posted by Ahmed samy on 27 April, 2014 - 7:08 amGSM Protocol and MARK VI
GSM connection between mark VI and Ovation
Posted by PC Tan on 27 April, 2014 - 6:51 amDoes IEC61511 allow an ESD system on a control network?
Does IEC61511 allow an ESD system to be resident on a control network?
Posted by Mostafa Qasemi on 26 April, 2014 - 12:30 pmHoneywell scrip language
How can we learn Honeywell Scrip language?
Posted by Kamil ozkan on 26 April, 2014 - 1:04 amModicon M340 TCP Communication
Communication between Modicon M340 PLC and Weintek HMI via MODBUS TCP
Posted by Sweta on 25 April, 2014 - 5:13 amComparing the model of BLDC with a real BLDC motor
Where do I start to compare a model of bldc motor with a real one?
Posted by Santanu on 25 April, 2014 - 2:09 amDistance Protection
What is the principle of operation of Distance Protection?
Posted by Santanu on 25 April, 2014 - 2:06 amUnder frequency protection of Generator connected to infinity bus
Why are there under frequency or over-frequency protection trip in Generator connected to infinity bus?
Posted by Napster225 on 25 April, 2014 - 12:50 amFlame stability
Significance of flame profile
Posted by Jim Pinto on 24 April, 2014 - 8:24 pmJimPinto.com eNews 25 April 2014
The latest JimPinto.com eNews is on the web
Posted by lalas on 24 April, 2014 - 3:54 pmOPC tags stop updating...start once the tags are added again
Using an OPC client, the values stopped updating after a while (20 days).
Posted by S D Jana on 24 April, 2014 - 3:37 pmWater Treatment Plant Iconic Load
DM stream ionic load is lower than design in water treatment plant
Posted by GE on 24 April, 2014 - 12:38 amHP & LP speed in GE gas turbine
What is the difference between HP & LP speed
Every solution breeds new problems.