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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
replies
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?
1
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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
replies
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
replies
Comparing Base Load Test Data
Posted by sriramsandeep on 4 May, 2017 - 6:40 am
How to compare base load test data
2
replies
TRICONEX PLC Cabinet
Posted by SDJ on 3 May, 2017 - 10:50 am
TRICONEX PLC Cabinet VS Rockwell/Allen-Bradley PLC Cabinet
9
replies
GE Frame 5 IGV Not Following Trip
Posted by Ibra Brown on 3 May, 2017 - 3:41 am
IGV not Following Trip
4
replies
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
replies
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?
1
reply
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
replies
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
1
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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.
2
replies
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
replies
Designated Controller in Mark VIe
Posted by sardar99 on 27 April, 2017 - 1:44 am
How is the designated controller defined?
2
replies
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
1
reply
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
reply
Servo Current Voting Mismatch for IGV
Posted by chiranjeevi on 25 April, 2017 - 3:47 am
Will servo current voting mismatch affect IVG
1
reply
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
replies
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
1
reply
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
replies
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
replies
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.
1
reply
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
reply
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
replies
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
replies
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.
1
reply
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
4
replies
Flow Under and Flow Over Control Valve
Posted by mahmudrezasumon08 on 18 April, 2017 - 4:38 am
Flow direction for flow under and flow over control valve
1
reply
Bytes Missing Error Followed by Timeout
Posted by Abhik on 17 April, 2017 - 8:58 am
Bytes missing error followed by timeout after Modbus poll
DeltaV Controlling a PLC
Posted by maico on 17 April, 2017 - 2:01 am
In my current project the current HMI is being removed and all control will be done via DeltaV this has been largely implemented.
1
reply
Pitch and Yaw Angles When Measuring Air Flow
Posted by Flow Guy on 16 April, 2017 - 11:06 pm
Questions about measuring air flow
6
replies
Critical Speed Vibration on 9001E
Posted by Khaledian on 16 April, 2017 - 3:41 am
After major inspection and rotor inspection of gas turbine bearing No. 1 vibration exceeded 25.4 mm/s during start up
1
reply
Ground Issues on MK-5=>MK-6e Migration
Posted by mhwest on 15 April, 2017 - 2:26 pm
MK-5 to MK6e migration Grounds when a core is powered off
Load Reactor Failure in Variable Frequency Drive
Posted by paru on 15 April, 2017 - 1:10 pm
Repeated failure of load reactor on variable frequency drive
2
replies
GE Mark VI Fast Unload on Shutdown
Posted by solidus1975 on 15 April, 2017 - 12:39 pm
In some cases gas turbine GE Mark VI controller performs a fast unload during shutdown
Liquid Fuel Pump Type
Posted by solidus1975 on 15 April, 2017 - 12:28 pm
Materials for a pump impeller, shaft and casing to be used for liquid fuel un-loading from trucks to main liquid fuel tank.
2
replies
Magnetic Flowmeter
Posted by Devpriy sahu on 14 April, 2017 - 2:19 am
Trouble with magnetic flowmeter
4
replies
Security and Remote Access for Power Industry
Posted by Jeremy Pollard on 13 April, 2017 - 6:00 pm
If you had a technology that delivered secure remote access, without creating a new risk vector, would you use it.
PRD Mode on Yokogawa Centum VP
Posted by mudassir_mehmood on 13 April, 2017 - 7:40 am
Is there a way to disable the Primary Direct (PRD) mode on Yokogawa DCS (Centum VP or Centum CS3000)?
3
replies
Frame 9E-Mark vie Servo Valve
Posted by Yasiin on 12 April, 2017 - 10:46 pm
Frame 9E-Marj Vie servo valve current values.
Modbus Serial Diagnostic Register Description
Posted by clarkleach on 12 April, 2017 - 10:35 pm
I'm trying to determine the intended function of the "Diagnostic Register"
Merged Networking
Posted by David Richardson on 12 April, 2017 - 11:17 am
Who really wants control and business networks merged besides the companies pushing the concept?
3
replies
Parallel Generators and Excitation Voltage
Posted by greg on 12 April, 2017 - 3:27 am
I can't seem to get my head around how to determine the Excitation Voltage a 1 generator in a parallel system
Power Generation and Transformer
Posted by agillani on 11 April, 2017 - 2:41 pm
Questions about using 6000 KVA 11000/3300 Volt transformer and 8000 KVA steam turbo-alternator together
2
replies
Why Does Liquid Fuel Get into the Combustion Wrapper
Posted by Aptx4869 on 11 April, 2017 - 10:22 am
Why LF can get into the Combustion Wrapper during false start?
3
replies
Diffusion Air Purpose in DLN2.6
Posted by Aptx4869 on 11 April, 2017 - 10:14 am
Purpose of Diffusion Air in DLN2.6
3
replies
Calculating Compressor Ratio
Posted by khoriwal000 on 11 April, 2017 - 9:41 am
How to calculate air pressure at any of the compressor stage?
1
reply
Ex nAC Device in Enclosure Ex e
Posted by MMlukas on 11 April, 2017 - 2:27 am
I want to use an Ex nAC device in Ex e enclosure.
Calculating the Exhaust Temp Spread On Gas Turbines
Posted by engr_adnan05 on 10 April, 2017 - 10:10 pm
This is the video made by me for those who want to know the method to calculate exhaust temperature on gas turbines.
1
reply
Sensor for Gravity Flow Measurement
Posted by Perry Hickey on 9 April, 2017 - 6:24 pm
Can any one suggest the most suitable instrument for Flow measurement under Gravity flow conditions for distillate from oil
2
replies
LEL Detectors Regulations in Europe and USA
Posted by MaratEngineer on 8 April, 2017 - 5:29 am
Reference to European and USA standards for placing of LEL detectors in oil and gas plants.
3
replies
Flow Rate and Pressure in Parallel Pipe System
Posted by gr15 on 7 April, 2017 - 4:44 pm
How to make a water sensor with Maxlimit - 60 Litres/min and Pressure <1.7Mpa work on water line with flow of 300 Litres/min and to figure out the total water flow and record it like a water meter would do.
2
replies
Controlling a Induction Heating Power Unit
Posted by niccc on 7 April, 2017 - 8:28 am
Controlling a 0-10 V module for Power Unit Control
3
replies
Phoenix Relay Sticking
Posted by panthripu on 7 April, 2017 - 6:30 am
Phoenix relay in PLC output getting stuck..
3
replies
Need Advice in Choosing a New SCADA Package
Posted by cyberunlimited on 6 April, 2017 - 5:47 pm
I need Pros and Cons concerning the SCADA Packages that will fit my needs.
2
replies
Mark V 96FG-6 Transmitter Issues on S Core
Posted by RSolo on 6 April, 2017 - 4:39 pm
96FG-6 is not reading correctly. <R> and <T> are similar while <S> appears dropped out.
2
replies
PTB Sensor Check
Posted by Jsalve on 6 April, 2017 - 1:23 pm
Can I calibrate PTB sensor with a water pump?
2
replies
MK4 Communication Protocol
Posted by me on 6 April, 2017 - 8:44 am
Is there any communication protocol document for these device or a test application?
1
reply
Scaling an Analog Input
Posted by zishanN on 6 April, 2017 - 6:48 am
how do i scale an analog input? Please explain everything in steps with some examples.
Honeywell TDC 3000 Documentation
Posted by ammar_yasir on 5 April, 2017 - 1:37 pm
Looking for Honeywell TDC 3000 documentation for pin instructions
2
replies
HP HMI for Material Handling
Posted by althomas49 on 5 April, 2017 - 8:57 am
Looking for advice on using High Performance HMI graphics in Material Handling Applications.
Jenbacher Diane XT Sudden Reboot Problem
Posted by nomankhalid on 5 April, 2017 - 3:43 am
Problem with GE Jenbacher generators where Jenbacher Diane XT installed on all 3 control panels of the generators suddenly reboot.
2
replies
VCMI IO STATE EXCHANGE FOR <S> FAILED Alarm
Posted by Rajeshbaby on 5 April, 2017 - 2:25 am
VCMI IO STATE EXCHANGE FOR <S> FAILED alarm in frame 9E DLN Gas Turbine with Mark 6 control
2
replies
Delta P Shut Off for Control Valve
Posted by raja_cshah on 4 April, 2017 - 11:46 pm
What is the significance of Maximum Delta P shut off for valves? Why due to high DP across valve, it will not allow to open the valve?
2
replies
Field Bus Communication Failure
Posted by Abdul Rahim Hsino on 4 April, 2017 - 11:38 pm
Foundation Field bus (FF) - Input Open (IOP) issue.
4
replies
GE 6B Bottle Test
Posted by 6bturbinetech on 4 April, 2017 - 8:41 am
Question on GE6B SRV/GCV leak test.
I and C Challenges in GT Driven Compressor Package
Posted by Jagrut_Vora on 4 April, 2017 - 4:56 am
Quick check points for consideration during the Instrumentation Engineering for GT Driven Compressors in LNG Plant.
2
replies
Automating a Motor Controlled Valve Using a PID Controller
Posted by revamp on 4 April, 2017 - 4:35 am
I currently have a situation wherein I have to use a PID Controller to control a motorized valve
Mark Vie Fast Close Solenoid
Posted by brighton on 3 April, 2017 - 10:43 pm
What is the signal to trigger MarkVie, CV, MSV, RSV, IV fast close?
1
reply
Shutdown and Blowdown Valves in Oil and Gas Processing
Posted by Oladayo on 3 April, 2017 - 5:40 pm
Looking for safety information on Shutdown and Blowdown Valves
1
reply
Retriving Data from Mettler Toledo 1769-ASCII to IND560 Interface
Posted by maruscitto on 3 April, 2017 - 5:22 pm
Retrieving weight data from a Mettler Toledo to a CompactLogix 5370 processor.
DANFOSS AK-SC255 XML Communications
Posted by bryansteer on 3 April, 2017 - 5:20 pm
Where is the Device ID for Danfoss AK-SC255
GE Mk IV Power Supply Question
Posted by meldenton on 3 April, 2017 - 3:44 pm
Looking for information about newer GE Mk IV power supply, DS3820PSCB1B1B
How to Analyze a Safety Circuit
Posted by plcacademy on 3 April, 2017 - 12:29 pm
How do I analyze a safety relay circuit to understand how it works?
Fuel Gas Volume Flow Compensation Formula
Posted by hany5757 on 3 April, 2017 - 11:37 am
need to know the source of this equation: Fcomp = Funcomp X √((Pop/Pd)X (Td/Top)X (Gd/Gop)) for fuel gas flow reading at standard conditions?
PID Control Alternatives in Electro-mechanical Applications
Posted by leodavinci1990 on 3 April, 2017 - 11:33 am
What are Modern Alternatives to PID control in electromechanical systems and how are they different?
11
replies
Modbus Sniffer Software
Posted by lallo65 on 3 April, 2017 - 6:53 am
Sniffer SW for Modbus via radio with communication problems.