Posted by Gary on 9 October, 2014 - 2:28 pmTubing and Piping
Any differences about the size standard for piping and Tubing?
Posted by zain on 9 October, 2014 - 1:37 pmInformation about Allen Bradley PLC SLC Adapter module
Meaning of error L31 and E51 on Allen Bradley PLC SLC Remote Adapter I/O module ASB
Posted by Curt Wuollet on 8 October, 2014 - 11:23 pmRe: Modbus RTU with Star Topology
Does the Modbus RTU work with a star topology?
Posted by George on 8 October, 2014 - 10:24 pmDCS Control of Power Plants
Scope of DCS programming in a Power Plant
Posted by Martin Crummy on 8 October, 2014 - 3:08 pmReverse Power Problems
Reverse power of Engine 1 when syncing in MSB bus-tie
Posted by karim elrawy on 8 October, 2014 - 11:28 amOil from Exciter
We have oil leaks from the exciter and we drained it but we don't know what this problem is
Posted by humble3 on 8 October, 2014 - 10:17 amMain Lube Oil Bearing Header Pressure Low on GE F9
Lately we discovered that in one of our frame 9 GT, the bearing header pressure gives different value for the different pumps
Posted by Shilton on 8 October, 2014 - 5:11 amGas Turbine Momentary Torque / Short Circuit Torque (F-5001)
An estimate or rule of thumb for the momentary torque / short circuit torque at the F-5 Compressor Rotor Forward Stub shaft
Posted by JulienN on 8 October, 2014 - 3:42 amModbus RTU with Star Topology
Does the Modbus RTU work with a star topology?
Posted by Tom Stone on 7 October, 2014 - 5:45 pmRetrieving data from Instep eDNA database
Confused by timestamps returned from eDNA for hourly and minute level data.
Posted by arun on 7 October, 2014 - 8:41 amNiagara report
How to have an excel report with Niagara?
Posted by George on 7 October, 2014 - 6:49 amGas Turbine First Fire
Pre-startup activities and sequence for first fire of GT.
Posted by mouhanad on 7 October, 2014 - 6:44 amLiquid Fuel
Liquid fuel valve is very little opened while the unit is working on gas
Posted by Mikey on 7 October, 2014 - 5:41 amModbus TCP/IP
Developing Modbus TCP/IP on RX63NB board with DP83620 as PHY layer interface.
Posted by Erwin on 7 October, 2014 - 5:28 amAvoiding Overspeed by Loss of the Full Load
Avoiding overspeed by loss of the full load.
Posted by Mr. James on 6 October, 2014 - 2:37 amPLCs for Beginners
I need to learn how to operate and use PLCs
Posted by Ster_pan on 5 October, 2014 - 8:40 amSimode with frequency drive
Operation of a frequency converter with a simoceode unit upstream
Posted by Flowing Waterfalls on 5 October, 2014 - 6:18 amGenerator autosychroniser
Can anyone provide details Siemens 7VE2 electronic paralleling device
Posted by GE mark vi on 4 October, 2014 - 6:24 amStartup Gas Turbine
Is there is any provision for startup gas turbine with external pushbutton (aux.PB)
Posted by Ervin Galera on 4 October, 2014 - 6:10 amDegassing a Generator
what would be the preferred method
Posted by Kun Nguyen on 3 October, 2014 - 10:30 pmAdaptive Resonance Theorem
Application of Adaptive Resonance Theorem (ART) in fault detection of plant instrumentation?
Posted by Chris on 3 October, 2014 - 4:23 pmPanelview 300 Micro
How to take apart a panelview 300 mirco 2711-M3A18L1
Posted by EG on 3 October, 2014 - 3:19 amFast Alarms Between PLC and HMI
How can we make an hmi operator panel detect fast alarms?
Posted by praviv on 3 October, 2014 - 1:20 amFlow measurement
disturbance in flow measurement
Posted by Bill on 3 October, 2014 - 12:04 amAuto-Synchronizing GE Frame 7EA
What is auto-synch frequency window for GE Frame 7EA
Posted by Ali Shakarami on 2 October, 2014 - 10:23 pmHMI Communication with SIEMENS PLC
Sending the signal value from GE HMI(CIMPLICITY) to other controler over MODBUS RTU
Posted by Robert on 2 October, 2014 - 9:18 amEthernet Surges and Transients
Looking to see if anyone has dealt with CAT 5 ethernet surges in a control panel
Posted by Nizam on 1 October, 2014 - 9:01 pmAllen Bradley Micrologix 1400 PLC Communication with Yokogawa DCS
Allen Bradley Micrologix 1400 PLC Communication with Yokogawa DCS
Posted by Wade on 1 October, 2014 - 5:43 pmSiemens S5 to ControlLogix Conversion
Translating a Siemens S5 in Statement to Allen-Bradly ControlLogx LAD.
Posted by Kev Magee on 1 October, 2014 - 11:57 amRustronic Mk2 Information
Looking for information on Rustronic Mk2 GT controllers
Posted by JustinDee on 1 October, 2014 - 7:49 amPLC timed sequence
is it possible to stop all TON TOFF timers?
Posted by putrasuha on 30 September, 2014 - 10:25 pmFoxboro I/A series tutorial
Posted by karim elrawy on 30 September, 2014 - 1:05 pmFlow Divider Problem in GE Frame 9e Turbine
Looking for advice on maintaining flow divider in our GE frame 9e turbine
Posted by Sandra on 29 September, 2014 - 8:12 amGeneral Questions about MODBUS
A few questions about MODBUS protocol
Posted by Marx on 29 September, 2014 - 12:46 amOpen Source PLC Programming Software
I wanted to know what are the best open source PLC Programming software to use
Posted by Brian on 28 September, 2014 - 9:18 pmConnectivity and Controller Tags for VB.NET 2012 OPC RSLinx
Setting up connectivity for VB.NET 2012 OPC. How do I list the TAGs in my controller?
Posted by Ravindra K Maheshwari on 28 September, 2014 - 6:16 amOver-speeding of Slave Motor in Rock Conveying System
Rock coveyor is being driven by Master and slave, two motors in load sharing mode. Slave motor is over-speeding when master gets higher loads.
Posted by Pradeep on 28 September, 2014 - 5:16 amLoad cell output mV linearity
Whether load cell output in mV will linearly increment according to weight added to it?
Posted by Sakthi Venkatesh on 27 September, 2014 - 5:00 amReversing the Range for Level Transmitter While Measuring Level
After calibrating, why we are reversing the range for Level Transmitter while measuring Level?
Posted by MJ on 27 September, 2014 - 3:58 amMark-VIe Servers
Functions of Servers provided with Mark-VIe
Posted by Bhaskar Mittal on 26 September, 2014 - 12:53 pmRS485 Connnection to DV-6 VE4006P2
Connecting DCS to VFDs on 485 Modbus RTU
Posted by BJM on 26 September, 2014 - 9:13 amLoad Shading System
Looking for detail knowledge on the Load shading system
Posted by Bhavin on 26 September, 2014 - 9:06 amGovernor Control in Speed Control Mode
Islanding problem when grid trips. The case happens only 5 times out of 100, rest everything goes good.
Posted by Sandra Calvo on 26 September, 2014 - 3:56 amMaster Thesis Guidance With Protocols
Trying to decide which communication protocol is better for the API I am designing for my Master Thesis.
Posted by Amer on 26 September, 2014 - 3:30 amContactless Card Reader and PLC
How to connect contactless card reader to PLC?
Posted by Vikrant Makwana on 25 September, 2014 - 5:39 amHow accurate is to calculate energy at 5 second rate
Voltage, current and power factor (per phase), are acquired every 5 seconds. How accurately, can we calculate energy.
Posted by Simon on 25 September, 2014 - 4:21 amWhy Consider Third Party Companies When Retrofitting/Supporting Your Gas Turbine Controls
Why do people who believe that the OEM is the best alternative for off-warranty service & retrofit contracts why?
Posted by cmshelton on 24 September, 2014 - 8:22 pmControlling Different Cookers Using Same HMI
control different cookers on each others HMI
Posted by Mark on 24 September, 2014 - 5:01 pmHMI with Generic Serial Port
Looking for an HMI with a generic serial port that can be controlled via scripting.
Posted by Erwin on 24 September, 2014 - 1:00 pmStability of Generators in Isochronous Mode
Why are two or more engines (gen sets) in Isochronous mode without load sharing make the system unstable?
Posted by Abdolazim Hasseli on 24 September, 2014 - 1:45 amProSafe-RS, Is It Online Configurable?
Notes when selecting ProSafe-RS as ESD system.
Posted by Ali on 24 September, 2014 - 1:21 amMark-VI Communication with ABB DCS Over OPC
OPC Communication between Mark-VI and ABB Freelance AC800F fails resulting in hanging of all ABB Operator Stations.
Posted by Mohannad on 23 September, 2014 - 11:58 pmUpgrade Diesel Starter of GE Frame 5 Gas Turbine
upgarde our old deisel starter system of GE frame 5 Gas turbine
Posted by Weida on 23 September, 2014 - 11:49 amAB or Siemens Equivalent Safety Product as Sick's Flexi-Loop
Is there any Allen Bradley or Siemens safety product that has similar modular capbilities as Sick's Flexi-Loop system?
Posted by TexasPower on 23 September, 2014 - 11:22 amGenerator Voltage
What determines how fast the voltage collapses if you remove the field current?
Posted by sensorless on 23 September, 2014 - 4:58 amEncoder input module in PLC
For a 1700 ppr encoder input, is it necessary to use a High Speed Digital Input module in PLC?
Posted by haroon0023 on 23 September, 2014 - 3:47 amSynchronizing Two ABB DCS Controllers
One type of status reading of ABB DCS says they are Synchronized, but other says they are 35% in Synchronized.
Posted by Daneezy on 22 September, 2014 - 4:48 pmDifference Between Standard Combustor and DLN Combustion
Please what is the difference between a standard combustor and a DLN combustion system?
Posted by Sadiq on 22 September, 2014 - 2:27 pmGas Turbine Effect on Refrigeration Cycle
How does gas turbine efficiency effect the refrigeration cycle?
Posted by Litto on 22 September, 2014 - 2:06 amThermocouple Temperature Drops Suddenly
Unexplained temperature drop while process is running
Posted by Arosha on 21 September, 2014 - 9:55 amEmergency Stop Wiring for Multiple Remote ESTOPs
What is the standard to connect multiple remote ESTOPs serially to Estop Monitor Relay
Posted by Andrew on 21 September, 2014 - 7:39 amSliding Mode Control - MATLAB
Need help simulating sliding mode controller using MATLAB/SIMULINK
Posted by Daneezy on 20 September, 2014 - 3:53 pmWhat Is CEMS Used For?
What is CEMS used for and how does it operate in Power Generation gas turbines (GE Frame 9e)?
Posted by Ajay Waghmare on 20 September, 2014 - 3:44 amEnable Register Read in LabView
When reading registers in MODBUS using LabViewm, how do I read data from registers at addresses 43XXX?
Posted by Beavis Cleavis on 19 September, 2014 - 1:07 pmNon-Isolated and Isolated Modbus Slaves on Bus
Bus contains isolated and non-isolated slaves. Considerations when connecting everything together?
Posted by Kevin Williams on 18 September, 2014 - 12:27 pmWDFP QLC Card Download
Problem downloading to QLC card with LC Loader
Posted by Ivan on 18 September, 2014 - 11:18 amMark V Diagnostic Alarms
Mark V TMR control panel, MS5001P, Diagnostic Alarms
Posted by Psahu on 18 September, 2014 - 10:49 amInformation regarding tag in Control logix over Ethernet/IP
Are controller tag details for control logix is available on ethernet/IP? Using 1756-EN2T module in controller chassis for communication.
Posted by Mk6TA on 18 September, 2014 - 8:31 amFrame 9e Bearing Drawings
Bearing #1 drawings for a GE Frame 9e are missing.
Posted by Cris on 17 September, 2014 - 2:27 pmPROSOFT MVI56-MNET Slave Response Time
PROSOFT MVI56-MNET communication response time and performance
Posted by Psahu on 17 September, 2014 - 10:20 amCommunication Between Control Logix and Centum VP Using Ethernet/IP
Communication not getting established between Yokogawa (ALE-111) and Control logix using Ethernet/IP.
Posted by Alex on 17 September, 2014 - 3:07 amGas Turbine Rachet/Starting Problems
After trip found SSS clutch calibrated bolts broken
Posted by Khalid Ur Rehman on 16 September, 2014 - 12:36 pmUpgrading Yokogawa CS3000 R3 DCS
Our existing DCS is only compliant with Windows XP HMI's having Vnet communication. What is the best way to upgrade the system for compliance with Windows-7 and having Vnet/IP communication?
Posted by visitor on 16 September, 2014 - 7:29 amTSX Premium PLC Problem
Telemecanique TSX Premium PLC unstable operation
Posted by timalg on 16 September, 2014 - 2:31 amEmerson Delta V Training
Looking for online training of Delta V Emerson
Posted by Ariel on 15 September, 2014 - 2:45 pmYokogawa DCS Analog Module AAI143
Difference between analog mA value and their correspondent raw value.
Posted by Chris IWO on 14 September, 2014 - 10:56 pmProficy Machine Edition 8.0
Proficy Machine Edtion 8.0 and 8.5
Posted by connected on 14 September, 2014 - 2:31 pmPower Meter Destroys Modbus RTU Bus Communication?
Problem with SCADA system that supervises electrical power flow for a residential building. Connected with Modbus RTU over RS485 daisy-chained 2-wire. The communication on the bus seems to be destroyed with Schneider PM750 connected.
Posted by Dan on 14 September, 2014 - 9:37 amRemoving Flow Divider Instrumentation on GE 7EA Turbine
GE 7EA turbine, will removing flow divider instrumentation affect operation on Fuel Gas, Mark IV Startup Lockout?
Posted by Pele1 on 14 September, 2014 - 8:44 amWafers Handling Robotics Arms
Questions about robotics arms and the accuracy requirements in manufacturing
Posted by rbhadani on 14 September, 2014 - 5:39 amCommunication between Triconex PLC and Matrikon OPC Server Using TCM Module
Issue with Communication between Triconex PLC for SOE and Matrikon OPC server using TCM Module
Posted by Fazle Hassan on 13 September, 2014 - 11:36 amGenerator Maintenance
The generator tripped due to earth fault. We found some particles which defected the stator bar shorted to core. Now the surface of core is also damaged.
Posted by Tracy on 13 September, 2014 - 8:01 amPower Plant Performance
What are the important process parameters for power plant performance?
Posted by Mohammad Kashif on 13 September, 2014 - 5:03 amFluid Variable Speed Drive Hunting
Hunting problem in scoop of Voith Geared Variable Speed Coupling R 18 K 500 M
Posted by Jiftim on 12 September, 2014 - 2:15 pmTDC 3000 Remote Station Hanging
Remote Honeywell ES-T hangs with the RPS kit. Is it possible to extend the LCN using fiber without using obsolete Honeywell equipment?
Posted by paru on 12 September, 2014 - 12:34 pmDifferent Parameters on Siemens 7SJ6005 Relays
Why are some of the parameters in new Siemens 7SJ6005 relay missing or different from relay model with the same part number?
Posted by Mihir Ramkrishna on 12 September, 2014 - 12:45 amVoltage Levels in DO Cards of PLC
Which DO cards are better from the Reliability perspective - cards 24 VDC or cards that give 110 VAC?
Posted by farid on 11 September, 2014 - 10:13 pmBently Nevada 1900/65A Equipment Monitor Input Problem
Vendor converts input signal before 1900/65A and convert back to same signal at the output
Posted by jackson on 11 September, 2014 - 1:07 pmABB CP430T HMI
Setting up a trends (graph) in ABB CP430T HMI
Posted by suryapadhu on 11 September, 2014 - 12:01 pmAVR Functioning and MVAR control
AVR Functioning and MVAR control for Gas and Steam turbines
Posted by Paul on 11 September, 2014 - 11:28 amRSLinx issue in VMWare WIn 7 32 bit VM
I can do a serial upload and download but I cannot go online with RSLogix 500 inside a VM running WIn 7 32 bit
Posted by VM on 11 September, 2014 - 8:25 amMark V Signal Scaling in HMI
Exciter signals gain in mark V
Posted by sandeep on 11 September, 2014 - 6:27 amABB Flowmeter -Flow Data Is Less
flow meter data is less compared to other flowmeters
Posted by Anurag Purohit on 11 September, 2014 - 2:55 amConcept 2.6 Compatiblity Issue
Running windows 8.1 64bit OS and have a concept 2.6 compatibility issue.
Posted by Syed Waqar Azeem on 11 September, 2014 - 1:05 amSiemens S5 CPU 922 Run and Stop LED Do Not Turn ON
Run and Stop LED on front of Siemens S5 922 CPU doesn't turn ON on powering of rack. Only BASP LED on front of CPU is turned ON.
Posted by duks on 10 September, 2014 - 3:17 pmGas Chromo readings
Retention time of gas chromo
Posted by rosemount on 10 September, 2014 - 2:20 pmLevel Transmitter on Condensate Drum
Erratic reading for level transmitter on condensate drum
Posted by CB on 10 September, 2014 - 10:46 amPower Factor on LV/HV Sides of a Transformer
how to analyse the power factor of a system across a transformer
Posted by Neo on 10 September, 2014 - 10:27 amWhen Will 88CR start?
GT start up sequence, when will 88CR get started?
Posted by Rama on 10 September, 2014 - 5:57 amHow To Read an Instrument Loop Diagram
Understanding an instrument loop diagram
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