Posted by Javier Fontalvo on 10 August, 2014 - 9:46 pmStudent project- problems using Matlab's filter command
Trying to obtain parameters from given data using least squares. Things don't go so well
Posted by Yousif on 10 August, 2014 - 8:29 amCan OPC-UA replace DNP3 for telemetry and SCADA?
What is the difference between OPC-UA and DNP3 protocol specially in low level layers?
Posted by ahmed on 10 August, 2014 - 5:04 amGE MS6001B exhaust over temperature
have a problem of over exhaust temperature in GE MS6001B unit lead to the unit goes into temperature control mode during start up
Posted by Chris IWO on 9 August, 2014 - 5:52 pmRTU Errors in GE Fanuc LM 90 30
Lost of Slave RTUs - need help understanding error messages
Posted by bipin on 9 August, 2014 - 1:47 pmweight measurement from DP tx
weight measurement in a liquid tank which has different densities
Posted by Izhar on 9 August, 2014 - 3:29 amAtomizing air cooler modification
Atomizing Air Cooler Modification
Posted by raul on 9 August, 2014 - 2:45 amSteam turbine Bypass Locks
Approximate number of steam bypass locks
Posted by Curt Wuollet on 8 August, 2014 - 11:44 amTranslator Assistance Please, Ajuda por favor
Looking for a Portuguese speaker to help with purchasing products from a Brazilian company
Posted by Jeff Julian on 8 August, 2014 - 8:38 amHC900 C50 Controller version 1.0x firmware upgrade to higher version.
Is there a way of upgrading our HC900 C50 Version 1.0x to a higher version to take advantage of its features w/o changing the cpu?
Posted by scientif on 8 August, 2014 - 6:32 amSCADA and HV/LV distribution substation automation
How to automate HV/LV distribution substations using SCADA.
Posted by Aravazhi on 8 August, 2014 - 3:55 amEquation for Flow conversion in DCS
Need help calculating the DP flow in m3/hr. Have most of the equation.
Posted by Chris Wehr on 7 August, 2014 - 7:42 pmMode 1 and Mode 2 in Turbine Control System
Looking for descriptions/definitions of Mode 1 and Mode 2
Posted by Gary on 7 August, 2014 - 11:49 amNull Current of Integrating Actuator
What is the null current of an integrating actuator?
Posted by Saurabh on 7 August, 2014 - 7:52 amHoneywell XNX voltage drop
Honeywell XNX shows voltage drop after connecting the TX
Posted by henry lob on 7 August, 2014 - 7:24 amvoltage variation with load variation on generators
increase in voltage with increase in load tripping tools
Posted by Vignesh on 7 August, 2014 - 5:03 amEqual Percentage Valve
Why equal percentage control valve is commonly used in steam line?
Posted by N.V.Q on 7 August, 2014 - 4:47 amPSVO servo control module
Mark VI hardware system---PSVO servo control module
Posted by Izhar on 6 August, 2014 - 12:53 pmGas Turbine Gearbox Bearing Damage
Possible causes for gas turbine gearbox bearing damage
Posted by Rushi Shroff on 6 August, 2014 - 10:20 amRelationship between VLSI & Embedded Hardware Design...
Design of Digital Systems, System Architectures, Hardware description Languages required for VLSI Design such as VHDL and Verilog.FPGAs, CPLDs, ASIC Design Issues, CMOS Technology, VLSI Design techniques & Relationship with embedded hardware.
Posted by Debo on 6 August, 2014 - 3:25 amCommunications between AB PLC and Siemens HMI
AB PLC cannot communicate with Siemens TP1200 HMI over ethernet i/p. PLC and HMI are in different gateways.
Posted by Patxi on 5 August, 2014 - 1:17 pmTransferring Parameters from BOSCH 120
How to transfer the parameters and programs from the BOSCH CC120 to/from a PC?
Posted by hanninpe on 5 August, 2014 - 5:57 amSiemens Siwarex U zeroing problem
Zeroing Siwarex U with SFC58 fails randomly, what could cause?
Posted by Abhi on 5 August, 2014 - 4:22 amLooking for mA to Ohm Converter
Looking for a device that can convert 4-20 mADC or 0-10 VDC to 1~5 KOhms.
Posted by mahmoud on 5 August, 2014 - 4:09 amTemperature Controller Problem
Problems reading RKC temperature controller.
Posted by control on 4 August, 2014 - 8:53 pmModbus interface with T3000
Other than Siemens device to interface with Siemens T3000 for modbus communication
Posted by N.V.Q on 4 August, 2014 - 8:26 pmMark VIe control system
Mark VI steam turbine and generator control system
Posted by Vinay on 4 August, 2014 - 8:17 amInterfacing of a Transmitter directly to a PC
To be able to display a process value directly in a PC without using PC based SCADA system
Posted by Rushi Shroff on 3 August, 2014 - 10:46 amRe: Choice of a Embedded Processor: DSP or Micro controller
Choice of a Embeddded Processor : DSP or Micro controller for Industrial Automation System
Posted by AR1969 on 3 August, 2014 - 6:42 amDLN-1 Lean lean & extended lean lean mode of operation
What is the Maintenance factor (MF) for lean lean mode of operation, GE specifies a MF of 10 for Extended lean lean (high load) but does not specify the MF for lean lean mode (part load).
Posted by Ram on 2 August, 2014 - 6:06 amPower factor compensation
How does reactive power compensation work?
Posted by Plutonius on 1 August, 2014 - 9:08 pmRS485 Issues - Modbus Temperature Controller to Ethernet
I am currently have a bit of an issue connecting to a Love 2600 temperature controller via RS485 full duplex with a Grid Connect NET485 Modbus RTU to TCP ethernet bridge.
Posted by Lc1 on 1 August, 2014 - 11:38 am2 Wire Loop Powered Transmitter
Powering a 2 wire loop powered transmitter
Posted by Ken on 1 August, 2014 - 10:19 amControling an 8Kw electric heater
Bought old never used 8Kw ceiling mount electric heater, trying to figure wiring.
Posted by humble3 on 1 August, 2014 - 6:45 amHeavy Mist/oil leaking from GE frame 9 mist Eliminator
Our mist eliminator is bringing out heavy mist which then condensate back to oil - causing serious oil shortage
Posted by Donovan on 1 August, 2014 - 3:15 amSend And Recieve data between To S7-1200 Plc's
Need Help on how to transfer data between two S7-1200 Plc's
Posted by sreekanth on 1 August, 2014 - 12:55 amGT unit was tripped from the HVAC short circuit
The GT frame 6b and the control system is MARK VI TMR unit was tripped from the HVAC short circuit.
Posted by Curt Wuollet on 31 July, 2014 - 4:33 pmNeed a siemens expert
Can I replace a toasted analog module on a S7-224 without having the program?
Posted by vasudevan on 31 July, 2014 - 6:22 amRead/Write serial port using php
Read/Write from windows serial port using php
Posted by amanemisa on 31 July, 2014 - 4:35 amOrifice Tapping Point
Orifice tapping point for additional DP flow transmitter
Posted by any author on 31 July, 2014 - 3:40 amSurge protection trip for V64.3A model Ansaldo make Gas Turbine
Gas Turbine power station has tripped on surge protection many times due to grid frequencies variation from 50Hz to 49.2Hz.
Posted by raynvd on 30 July, 2014 - 9:03 amVFD Pump Control
Is VFD pump control faster than pneumatic valve control
Posted by Anil Bathra on 30 July, 2014 - 3:49 amControl Valve Questions
fail safe position of control valve
Posted by Eric on 29 July, 2014 - 3:50 pmKOYO vs ADC memory type
KOYO and ADC - what do they stand for?
Posted by Chris IWO on 29 July, 2014 - 2:35 amGenius Bus
Lost of Genius Bus LAN
Posted by song on 29 July, 2014 - 1:25 amBypass Valve Fail Position
What is the moist suitable failure position for turbine bypass valve?
Posted by raph_rf on 29 July, 2014 - 12:04 amNew to the motion world
Hello I have a new project with 11 axes of motion (Servos) and need advice on one of three options.
Posted by N.V.Q on 28 July, 2014 - 10:43 pmMark VIe logic block
Time_Sec block in Mark VIe system.
Posted by Asko on 28 July, 2014 - 4:09 pmNull current shift in hydraulic proportional actuator
Impact of null current shift in proportional electric actuator
Posted by AS on 28 July, 2014 - 4:01 amPiezo and Torquemotor based Valve positioners
Properties of Torquemotor and piezo based valve positioner. Function of Spool Valve in Valve Positioners.
Posted by masoud on 28 July, 2014 - 2:36 amStandby AC power supply for power plant
Which is a more reliable AC backup power supply UPS or Inverter?
Posted by Sara khaan on 28 July, 2014 - 2:29 amLQR Command and failed stabilization
Getting errors when using dlqr command for my state space equation
Posted by Meganathan S on 28 July, 2014 - 2:14 amRe: 9fa Gas Compartment Vent Fan 88vl
Improper ventilation in gas compartment
Posted by Yassar on 27 July, 2014 - 1:53 pmMARK VIe Thermocouples
Questions about thermocouples and MARK VIe
Posted by shep on 25 July, 2014 - 8:52 pmRe-calibrating Rosemount Transmitters
Re-calibrating Rosemount Transmitters after power is removed?
Posted by Russ Miller on 25 July, 2014 - 3:59 pm3A Convenience Receptacle
3A Convenience receptacle requirement.
Posted by Yassar on 25 July, 2014 - 2:55 amLube oil level
Lube oil level dropping as temperature increases
Posted by Raymond Laib on 24 July, 2014 - 9:55 pmDisplaying PF525 VFD drive faults via Stratix
PF525 VFD drive faults via Stratix 8000 to be displayed on a HMI.
Posted by GE on 24 July, 2014 - 8:55 amUsing Synthetic Oil in Gas Generator
Why use synthetic oil in GE LM 2500 gas turbine?
Posted by ABDI on 24 July, 2014 - 1:56 amIGV for DLN Type Without IBH
If a turbine has DLN (Dry Low NOx) combustors, IGV exhaust temperature control is not operator-selectable. Is it always on?
Posted by Daniel on 23 July, 2014 - 3:00 pmFFL instruction weird behaviour
FFL instruction sometimes doesn't load data into FIFO
Posted by Daniel on 23 July, 2014 - 1:01 pmATEX certified 24VDC fan
Looking for a supplier for a small 24VDC (or 230VAC) Ex-d or Ex-e fan
Posted by yazooka on 23 July, 2014 - 8:47 amVFD and nominal RPM of motor
Nominal RPM on motor plate lower than can be set in VFD
Posted by Arianna Mambrini on 23 July, 2014 - 4:30 amProblems with air intake and dirty turbine
Air intake filters clean but turbine dirty
Posted by christine on 23 July, 2014 - 4:30 am1oo2 voting for temperature transmitter
1oo2 voting for temperature transmitter
Posted by Shaheed on 23 July, 2014 - 3:22 amSelection of VCB as per short circuit current
Do we need to replace the VCB of a machine with higher short circuit rating if more machines add parallel at same bus bar.
Posted by michael on 22 July, 2014 - 3:04 amCommunication Error with MODBUS DCS RTU
MODBUS over ethernet connection between yokogawa DCS and abb rtu anr96 has a communication error after several minutes.
Posted by fluidflow on 22 July, 2014 - 1:04 amGenerator and Capacitor Bank
Totally stumped by the recent brawl over utility of capacitor bank in power generation.
Posted by Suraj on 21 July, 2014 - 11:00 pmS7-1500 CM541 Serial RS232 ASCII help
Point to point Serial RS232 ASCII communication in TIAV13
Posted by viks on 21 July, 2014 - 2:28 amModbus RTU utilities
help needed in finding the software facilitating reading data from the sensors via RS485 into industrial computer and providing it for a SCADA application.
Posted by majji raju on 21 July, 2014 - 1:27 amGE Fanuc rx7i PLC Not Going into Run Mode
PLC goes into halt mode after detecting 'CONTROLLER CPU HARDWARE FAILURE' fault
Posted by Rupert on 20 July, 2014 - 2:25 pmSimple model-based control example
Posted by moiz on 20 July, 2014 - 8:52 amGas Turbine Negative Lean Lean Mode
Want to know about negative lean lean mode of gas turbine
Posted by Josh on 19 July, 2014 - 11:45 pmFlange Adaptor and Isolation for Press Transmitter
Mismatching flange between tank nozzle and transmitter
Posted by SB on 19 July, 2014 - 4:51 pmUnderstanding Control Specification for Gas Turbine
Please help understanding control specification of GE-design heavy duty gas turbine
Posted by Izhar on 19 July, 2014 - 4:24 pmExit Guide vanes of Gas Turbines
Gas turbine exit guide vanes and how to use them
Posted by bammaroc on 18 July, 2014 - 1:45 pmCommunication between DCS CS 3000 and Allen Bradley FlexLogix 5434
communication between DCS CS 3000 and Allen Bradley platform FlexLogix 5434 using Modbus protocol
Posted by dbnaca on 17 July, 2014 - 4:27 pmControl Wire Shielding with Clear Shrink Tubing
Is there a code requiring the use of clear heat shrink tubing on the shield wire for control cabling?
Posted by tommycai on 17 July, 2014 - 3:26 amSeismic Qualifications and Equipment Qualifications in NPP
Are there standards for EQ/SQ In NPP?
Posted by RAJESH on 16 July, 2014 - 5:32 pmCalibrating a Vibration Monitor
How to calibrate velometer in vibration?
Posted by Jhon on 16 July, 2014 - 2:03 amField Balancing
High vibration problem on a two shaft gas turbine. Need help on Field Balancing.
Posted by mmsystems on 16 July, 2014 - 1:51 amCentum VP Logic
write a logic for PUMP
Posted by KmnsKiran on 15 July, 2014 - 10:19 pmTorque Feedback not resetting in ALSPA CONTROCAD HMI
While operating a MOV from engineering station by forcing its output open and close commands, its feedback is coming in HMI and Eng station. But close torque is not getting reset in HMI.
Posted by TiB0 on 15 July, 2014 - 5:33 amProblems with ABB DigiVis/Excel Reports
ABB DigiVis crashes after several hours with DataLog via Excel Reports
Posted by Gopinath on 15 July, 2014 - 3:20 amOperation of Shutdown and Blowdown Valves
Can anyone explain the shutdown valve (SDV) & Blowdown valve (BDV) operation?
Posted by kiran on 14 July, 2014 - 9:23 pmEvaporator cooler pumps having problem in GE 7FA
Frequently losing suction by pumps and pump discharge flow switch failing.
Posted by Ignacio Castaneda on 14 July, 2014 - 2:13 pmswitch broken on PLC. Can this be fixed?
Broken switch on PLC
Posted by Sam on 14 July, 2014 - 12:51 pmSynchronising Two Gas engines to share a load
Software and hardware required to enable two Gas Engines in Parallel mode operation to share the load in island operation?
Posted by rileydc on 14 July, 2014 - 12:14 pmRSLinx help - loop - image
Posted by Carlos Loureiro on 14 July, 2014 - 10:07 amField-bus Actuator Recommendation
Looking for recommendations for a Field-bus Actuator
Posted by syed on 14 July, 2014 - 9:24 amlube oil level
Which Lube oil tnk level to be used: Absolute or relative
Posted by Izhar on 13 July, 2014 - 2:59 pmCompressor Thrust
What direction is the total thrust in a gas turbine?
Posted by ANA on 12 July, 2014 - 3:11 pmSingle Controller for a Flow and Pressure Control Valve
Single controller for multiple purposes
Posted by shunli on 12 July, 2014 - 11:20 amwhat does the "CROSS-TALK" mean?
Please define Cross Talk and PCC
Posted by saha on 12 July, 2014 - 7:45 amOperation of speed control loop FSRNV3
Operation of speed control loop FSRNV3
Posted by Neo on 11 July, 2014 - 10:48 pmGetting a better understanding of GT control PART 2
Getting a better understanding of GT control PART 2.
Posted by Trimate on 11 July, 2014 - 12:51 pmMark VIe Cimplicity Command Freeze
I have some problems regarding Mark VIe Cimplicity Software that its command cannot be activated (freeze status).
Posted by Reeny on 11 July, 2014 - 12:26 pmSiemens PLCs
steady red EF BF LEDs after trying to connect S7-400 cpu414 to pc (5611 pci card), the remedy?
Posted by Overamoed on 11 July, 2014 - 11:27 amInstalling muffin fans
Best way to install muffin fans.
Posted by Adom David on 11 July, 2014 - 5:00 amResearch on sensors
Calculation of Reliability and MTBF OF SENSORS
Posted by Lucky on 11 July, 2014 - 2:49 amDew Point temperature of Natural Gas
How to calculate the dew point temperature of the Natural Gas?
If someone had told me I would be Pope one day, I would have studied
-- Pope John Paul I