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Liquid Fuel Bypass Valve
Posted by 6bturbinetech on 17 May, 2017 - 2:15 pm
How to check/stroke the Liquid Fuel Bypass valve to make sure polarity is correct
Japan Electrical Rating D2G4
Posted by duckpinjoe on 17 May, 2017 - 1:53 pm
Are Japanese electric motors with EXP rateing D2G4 same as USA Class1 DIV 1 Group C,D?
Ovation DCS in Power Plant Has No FGS System
Posted by boosterhidrogen on 17 May, 2017 - 12:32 pm
No fgs system either as an ESD or SIS in ovation DCS power plant
3
replies
induction Motor V/Hz Ratio Is Low - Effect?
Posted by dirtyc on 17 May, 2017 - 10:55 am
Induction motor run at a lower than designed V/hz ratio...what happens?
Adding a Signal to GTG MKVI MODBUS
Posted by FlyinScot on 17 May, 2017 - 10:07 am
Need to add a point to DCS over Modbus from MKVI
2
replies
Coriolis Flowmeter Problem
Posted by Lubiticks on 17 May, 2017 - 7:13 am
After transfer of vegetable oil the Endress Hauser Coriolis Flow meter total reading is off. What has been sent out is not the same when we compare.
3
replies
PLC and 3X Register Communication
Posted by LastCall on 17 May, 2017 - 6:16 am
Can anyone recommend a PLC and software that can read 3X registers from a device
3
replies
MODBUS Remote interface
Posted by Alessandro Galbiati on 17 May, 2017 - 4:30 am
Looking to modbus datalogger with GSM/GPRS connection
11
replies
ISaGRAF to InTouch
Posted by Madara_inst on 17 May, 2017 - 4:17 am
how to receive data from ISaGRAF through Wonderware InTouch and OPC
6
replies
MARK I Control System Backsheets
Posted by TheGingerbeer on 17 May, 2017 - 3:44 am
Collecting diagnostic data from Mark I system
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Counters in Controller in MARK Vie system
Posted by Chiranjeevi on 16 May, 2017 - 11:52 am
why are some important counters are stored in controller ucsbh1a?
2
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Full Speed No load Allowed Time for Steam Turbine
Posted by aminsameipoor on 16 May, 2017 - 1:48 am
What is the allowed time for operation Steam Turbine at Full Speed No load condition
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Engine Exhaust Temperature Thermocouple
Posted by rakibcnrd on 15 May, 2017 - 11:31 pm
How to select proper thermocouple and monitoring system.
3
replies
Forcing IBH OFF 9E
Posted by bil07 on 15 May, 2017 - 11:11 pm
DLN (Dry Low NOx) combustors 9E to force IBH OFF 85MW
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Viruses and Malware
Posted by Jeremy Pollard on 15 May, 2017 - 4:27 pm
What kind of experiences have you had with industrial viruses and malware?
2
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Engineer Needs Help with Analogic Circuit
Posted by Saul on 15 May, 2017 - 11:41 am
Help me understand how an analogic generator regulator (AVR) works
2
replies
Simple and Inexpensive HMI Software
Posted by misraz14 on 15 May, 2017 - 10:05 am
Looking for simple and cheap HMI software with option for multiple web clients for a small application
YOKOGAWA CENTUM VP Historical Report
Posted by latsanyEE on 15 May, 2017 - 12:40 am
How to show message Number from historical report
3
replies
Wet Compression or Inlet Cooling for Gas Turbines
Posted by Sudhir1 on 14 May, 2017 - 11:19 pm
MHI gas turbines with inlet cooling or wet compression implementation
2
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Combustion Dynamics in Gas turbine
Posted by bil07 on 14 May, 2017 - 11:47 am
Description of combustion dynamics in Gas turbine, CDM
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Floating Roof Tank Level Measurement
Posted by asudhish on 14 May, 2017 - 6:07 am
Can Floating Roof Tank level measurement be achieved through standard DP measurement
2
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L4DE, L69DE in MARK VIe Gas Turbine
Posted by Chiranjeevi on 13 May, 2017 - 8:36 am
L4DE, L69DE variables in Frame 5 gas turbine with MARK VIe
7
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Remote Monitoring of Analog Inputs
Posted by Faisal Rehman on 13 May, 2017 - 12:18 am
Remotely monitoring Analog Inputs (4-20mA) on web browser or mobile.
Four Quadrant Energy Metering
Posted by Arif_LP on 12 May, 2017 - 8:30 am
Facing problem in differentiating between wheeling power and import power
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Best Fuel Control Mode for Mars-100 Gas Turbine
Posted by gascompoperator on 12 May, 2017 - 12:55 am
Need help to determine the best fuel control mode for Mars-100 gas turbine
SICK FLOWSIC100 Flare Ultrasonic Insertion Flowmeter
Posted by I&E Guy on 11 May, 2017 - 8:58 pm
Seeking the experiences of people using SICK FLOWSIC100 Flare
6
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Modbus TCP Topology and IPv6
Posted by Stan on 11 May, 2017 - 11:38 am
What are the limitations of having Modbus TCP with another protocol in the same network, ex, intranet in an enterprise for example?
Allen Bradley 1336 PLUS Drive - Restart After a Power Blip
Posted by Suleman on 11 May, 2017 - 10:50 am
Allen Bradley 1336 PLUS drive trips off after a power blip. Faults show power line loss and low bus fault.
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Flow Direction for Butterfly Valves
Posted by SHIRLEY on 11 May, 2017 - 1:26 am
Flow direction/flow action for butterfly valves
Modbus RS485 ~16 Input Module
Posted by Alan on 10 May, 2017 - 6:52 pm
Looking for a tough digital input module that can connect into a RS485 line, Modbus address settable, 24Vdc supply.
2
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Mark4 Diagnostic eeprom Fail
Posted by borrellimd on 10 May, 2017 - 4:02 pm
Mark4 eeprom HUMB u28, 30 failed diagnostic
3
replies
Hagan Controls Corporation Pittsburgh PA
Posted by george moore on 10 May, 2017 - 3:44 pm
Looking for a parts distributor for a Hagen Control valve on a Fuel Oil system
Convert Concept 2.2 to ProWorx 32
Posted by adrianrr on 10 May, 2017 - 12:11 pm
Trouble converting Concept 2.2 program to ProWorx 32.
Saia PLC and cgi Calls
Posted by AlexJ on 10 May, 2017 - 3:52 am
ftp over http with ftp.cgi calls
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Yokogawa CENTUM CS3000
Posted by misraz14 on 10 May, 2017 - 3:24 am
I want to build and program a CENTUM CS3000 system.
Boiler Registeration in India
Posted by Mani_1984 on 10 May, 2017 - 12:43 am
Is is possible to register a boiler in India before safety valve floating?
Quality Control in Gas Turbine Maintenance
Posted by benjie on 9 May, 2017 - 6:11 am
Developing quality checkpoints/checklists for mechanical, electrical and instrument maintenance jobs
1
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HART Multi-Drop Connection Wiring
Posted by rajesharihant on 9 May, 2017 - 5:53 am
HART Transmitters in Multidrop wiring
1
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Hydraulic Pressure Not Raise in Frame-Vi
Posted by Mastersv on 9 May, 2017 - 4:42 am
Any body guide how to set hydraulic pressure in frame-Vi machine
2
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Reducing Noise from the Sensor Signal
Posted by rakibcnrd on 9 May, 2017 - 2:33 am
How to reduce noise from sensor signal?
2
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mA to Voltage Conversion
Posted by rakibcnrd on 9 May, 2017 - 1:21 am
Resistor power rating for converting 0-20mA to 0-5 volt.
Vegapulls 62 Radar Level Transmitter Troubleshooting
Posted by gajanan94 on 8 May, 2017 - 3:27 am
Vegapulls 62 radar level transmitter fluctuating. Need help to troubleshoot.
5
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Infinite Bus / Synchronization
Posted by Wisdom on 7 May, 2017 - 5:21 pm
What is an Infinite Bus?
2
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Citect and Sepam in IEC61850
Posted by Fneto on 7 May, 2017 - 4:10 pm
Communicating between Citect 2016 and a Sepam relay in IEC61850 using protocol
Cimplicity Webview
Posted by misraz14 on 7 May, 2017 - 7:45 am
How to use pop up screens in web view
3
replies
SCADA in Australia
Posted by misraz14 on 7 May, 2017 - 1:54 am
Most popular SCADAs in Australia
Ignition Proving Cycle
Posted by John on 6 May, 2017 - 8:20 pm
Ignition proving cycle for a steam generator in a coal fired power plant
5
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Issues with GE 7E Hydraulic Systems
Posted by Okocha on 6 May, 2017 - 3:54 pm
At power plant some of hydraulic systems in some GE 7E units have following problems: gas hydraulic pressure low, Gas fuel hydraulic pressure low, and 88 HQ running.
Ansaldo Thomassen Frame 5 Renewal Parts Manual
Posted by Mohamedibr752 on 6 May, 2017 - 11:13 am
Looking for a soft copy of th Ansaldo Thomassen Frame 5 Renewal Parts Manual
Phase Shift in Generator Stepup Transformer
Posted by speed_tronic on 6 May, 2017 - 6:33 am
For a YnD11 generator step up transformer, will the stepped up voltage will go to grid from star winding with 30 degree phase shift?
4
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Calibrated Range of Temperature Transmitter
Posted by markussparkus5 on 5 May, 2017 - 2:18 pm
What is the effect of changing my transmitter's calibrated range with a given calibrated RTD range and operating range?
3
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Stale Speed Trip
Posted by Chiranjeevi on 5 May, 2017 - 10:23 am
In MARK VIe, there is a protective trip called stale speed which will be activated by PPRO through TREG board for cutting 20FL1 - ve voltage? What does it will monitor exactly for activation of this trip?
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Chlorine Sensor for Used Engine Oil
Posted by Joshua on 5 May, 2017 - 5:42 am
Are there any sensors available which can detect the presence of Chlorine in Used Engine Oil?
GWR Echo Peak Is Below Zero Distance
Posted by hany5757 on 4 May, 2017 - 1:16 pm
GWR level echo lost and when checking the envelop curve. We found the level echo peak in a position above the top flange.
Conecting a FC51 Danfoss VFD Using MODBUS
Posted by PARDEEP on 4 May, 2017 - 10:56 am
Controlling a FC51 Danfoss VFD with a PLC to start, stop & jog the drives.
2
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Importing Variables in ABB Freelance 2016
Posted by StAnder on 4 May, 2017 - 7:02 am
When importing Variables in Freelance, Locations are discarded.
2
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Comparing Base Load Test Data
Posted by sriramsandeep on 4 May, 2017 - 6:40 am
How to compare base load test data
2
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TRICONEX PLC Cabinet
Posted by SDJ on 3 May, 2017 - 10:50 am
TRICONEX PLC Cabinet VS Rockwell/Allen-Bradley PLC Cabinet
9
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GE Frame 5 IGV Not Following Trip
Posted by Ibra Brown on 3 May, 2017 - 3:41 am
IGV not Following Trip
4
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Installation of Centum VP
Posted by yashaswi06 on 3 May, 2017 - 2:57 am
After installation of Centum VP Software, the system view & project attribution utility icon are missing do not appear in start menu.
7
replies
Modbus RTU Coexist with Modbus TCP?
Posted by baban on 2 May, 2017 - 11:23 am
Is it possible to make a Modbus RTU and a Modbus TCP cohabit in the same device?
2
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Measure Flow of Evaporator
Posted by shamsedin on 1 May, 2017 - 9:23 pm
How is evaporator water flow measured in boilers
Need Help with Bosch CC100-T Control
Posted by Reg Simon on 1 May, 2017 - 12:23 pm
Need parameters for the Bosch CC 100-T.
4
replies
TurboCare Turbine Fail to Start
Posted by Mohanna on 1 May, 2017 - 4:35 am
TurboCare gas turbine fails to start. The starting system is a diesel engine.
Generator Protection
Posted by niazbibiyana on 30 April, 2017 - 5:41 pm
What are the actual Difference between Voltage restrained over current protection, 51V-R and Voltage controlled over current protection, 51V-C?
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Impact on the I/O for a Re-located Instrument
Posted by shirley on 30 April, 2017 - 6:37 am
Can you guys please advise me what will be the impact on the I/O for a re-located instrument.
Creating a new .hmb File for MARK VI HMI
Posted by Djafer on 30 April, 2017 - 1:15 am
Create MARK VI HMI with acronis while turbine is online
3
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Mechanical Null Bias
Posted by ENGORABY on 29 April, 2017 - 10:37 am
In Moog servo, when and how to adjust the mechanical null bias
Software to Keep Track of Equipment Plot Plan
Posted by boosterhidrogen on 29 April, 2017 - 7:10 am
What software do you use and how do you use it to keep track equipment plot plan?
2
replies
Isolations During Off Line Water Wash GE 9FA
Posted by solidus1975 on 29 April, 2017 - 6:40 am
Off line water wash is not automated in GE 9FA DLN2.0 gas turbines
4
replies
Speed Pickups Sensing Speed at L14HR
Posted by chiranjeevi on 28 April, 2017 - 9:16 am
When machine is at rest, speed pickups are sensing speed up to 3200 rpm
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Generator Out Put
Posted by Faheem on 28 April, 2017 - 8:41 am
Generator does not put out power until air filter removed and choke full open
Scale Error Before PID Loop?
Posted by shanemm on 27 April, 2017 - 5:07 pm
Do I need to scale the error value before PID control algorithm? Error range -4095 to +4095, manipulation output range from 0-1800.
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Turbine Varnishing
Posted by 6bturbinetech on 27 April, 2017 - 9:27 am
How to identify Turbine varnishing
How to Restart Twido PLC
Posted by rohith on 27 April, 2017 - 3:34 am
Is there any option for restarting/resetting TWIDO PLC TWDLMDA20DRT?
3
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Designated Controller in Mark VIe
Posted by sardar99 on 27 April, 2017 - 1:44 am
How is the designated controller defined?
2
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Nuisance Process Trips Due to Nucleonic Detector
Posted by robot65 on 26 April, 2017 - 6:06 pm
Nuisance process trip due to nucleonic level transmitter
2
replies
Changing/Configuring a New Channel in Mark VIe
Posted by chiranjeevi on 26 April, 2017 - 10:20 am
How do I change the IO channel configuration in the MARK VIe control system?
2
replies
SER Speed Control
Posted by latsanyEE on 25 April, 2017 - 10:00 pm
SER Speed Control
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Qualitrol Lube Oil Level Part Number
Posted by Genersi on 25 April, 2017 - 1:21 pm
Qualitrol lube oil level limit switches (71QL, 71QH) requires for frame 9E old unit
5
replies
Seal Gas Detector in Gas Compressor
Posted by Ismailjaffer on 25 April, 2017 - 10:53 am
Please explain the requirement of seal gas detector in gas compressor BCL 500.
1
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Servo Current Voting Mismatch for IGV
Posted by chiranjeevi on 25 April, 2017 - 3:47 am
Will servo current voting mismatch affect IVG
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Third Harmonic in Alternator Neutral
Posted by niazbibiyana on 24 April, 2017 - 8:16 pm
How third harmonics can be found across in 3 phase alternator neutral to ground
4
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125V DC PDM in MARK VIe
Posted by chiranjeevi on 24 April, 2017 - 6:55 am
We have MARK VIe system for frame 5 GT'S. What are 125V DC PDM switches & diodes in the system?
Report Collector and Archiver
Posted by marcellodj on 24 April, 2017 - 5:25 am
Looking for a good software Platform to collect/analyze/and archive production reports from various HMI vendors
IBS IL 24 BK-T/U Modules Not Work on Field
Posted by pratikpid on 24 April, 2017 - 2:52 am
I need help regarding IBS IL 24 BK-T/U module which not work on field
Wago 750-432 - Arial Platform Control 2005 Problems
Posted by Cherry picker man on 22 April, 2017 - 1:44 pm
Problem with LAN socket connection on Wago 750-432
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Config MODBUS in Cimplicity Mark V
Posted by briq on 22 April, 2017 - 7:48 am
How to configure MODBUS in GE Cimplicity Mark V
2
replies
Boot loader, Firmware, Application Load in MARK VIE
Posted by Mohamed Oraby on 21 April, 2017 - 5:41 pm
Need to understand how these terms apply to Mark VIe
6
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RTD Reading Fluctuation
Posted by advanced on 21 April, 2017 - 5:34 pm
Cause of RTD reading fluctuation?
3
replies
%M reading with Premium limited to 16bits
Posted by Fred_IR on 21 April, 2017 - 4:55 am
Cannot read more than 16 bits on a PRemium with READ_VAR command
2
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Niagara TCP for Schneider Ion 7750 Power Meter
Posted by Doug K on 20 April, 2017 - 2:34 pm
Schneider Ion power meter is incorrectly reading points when using Niagara Modbus TCP network.
Wireless Transmitter for High Temperature Application
Posted by Tejashri on 20 April, 2017 - 10:05 am
Need Wireless Transmitter for high ambient temperature.
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Modicon 984 Model 685 Modbus Plus Address
Posted by tim985 on 20 April, 2017 - 9:05 am
I am trying to set the Modbus Plus Address on a Modicon 984 685 PLC.
Power Factor Issues with on Grid PV Solar Systems
Posted by mbsagarwal on 20 April, 2017 - 3:10 am
When SOLAR PV SYSTEMS or connected to grid some issues regarding leading PF
1
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GE Frame 9E Gas Turbine Evaporative Coolers
Posted by samrannaveed on 19 April, 2017 - 7:31 am
Impact of GT evaporative coolers operation on heat rate at partial load
4
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MARK V LTRUE Logic
Posted by 6bturbinetech on 19 April, 2017 - 7:19 am
Questions about logic signal LTRUE in MARK V <I> controls
2
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Error Sending/Receiving HART commands (SFB52/53): "Faulty, Without Data"
Posted by TheMaximum on 19 April, 2017 - 3:38 am
Trying to send HART commands to measurement device via SFB52/53 - blocks indicate proper transfer, but response message indicates unknown error.
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Why Should One Have To Squeeze Disc Thyristor
Posted by Chaichanoke on 19 April, 2017 - 2:58 am
I have a question about how important it is to squeeze a disc thyristor that gets them to work.
AUMA Motor Operated Valve
Posted by raja_cshah on 18 April, 2017 - 7:16 am
AUMA motor operated valve not operating in remote using DCS logic