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Gas Turbine NO STATUS
Posted by kurinjieee on 10 May, 2018 - 7:52 pm
Gas turbine went to NO STATUS during mode change over.
Modbus - Read ID (0x2B, 0x0E) Conformity Level
Posted by gahelton on 10 May, 2018 - 3:40 pm
Is there an "Individual Object only" conformity level for Read ID?
Air Cooled Condenser
Posted by nastaari on 9 May, 2018 - 9:14 am
Sample P&ID for an air cooled condenser
Register Draft Loss across burners
Posted by udidosa on 8 May, 2018 - 4:32 am
What are the steps required to derive the register draft loss in a burner of a power plant?
Frame-V Machine with AA Cooler CW Bypassed
Posted by barindra75 on 7 May, 2018 - 1:24 pm
Can AA cooler CW be stopped for 30 min? what are the risks?
Difference Between Orifice Flow Meter and Ultrasonic Flow Meter
Posted by hadisiasi on 7 May, 2018 - 12:59 pm
we have problem in gas consumption according to difference between orifice Flow Meter and Ultrasonic Flow Meter.
IGV Actuator Span in DGA too big
Posted by Frame6BNewB on 7 May, 2018 - 12:35 pm
GE Frame 6B Actuator replacement. Gross stroke 38mm however IGV blades travel more than 60DGA.
GE MS7000EA Fuel Con
Posted by controlengineer_1984 on 7 May, 2018 - 6:17 am
Engineering Identification of field devices
Diesel Pump Sizing
Posted by sangeetha_ma on 7 May, 2018 - 2:36 am
Calculations for Diesel Pump Sizing
Control System Retrofit
Posted by Anna Kendrik on 6 May, 2018 - 7:33 am
Retrofitting/upgrading MARK IV control system with Siemens to gain MARK VIe benefits
Gas Turbine FR9E High Exhaust Pressure
Posted by AAkhan on 5 May, 2018 - 5:40 am
Gas Turbine GE Frame 9E in combined cycle operation is experiencing high exhaust pressure reaching 15Kpa.
Library Modbus
Posted by Reza Amanzadeh on 4 May, 2018 - 2:33 pm
Modbus TCP network file for the Basic4Android library.
Calibration of MagMaster Flowmeter
Posted by Danilo Gacevic on 4 May, 2018 - 12:39 pm
How to choose "Snsr Fact 1" to "Snsr Fact 4" parameters in MagMaster "SENSOR CALIBRATION" group?
FX5 PLC Modbus RTU Slave Timeout Error
Posted by mrtommo on 4 May, 2018 - 6:23 am
Keep getting slave timeout error on PLC. TX light on PLC flashes and RX light on slave flashes.
Feeforward Based on Inverse Dynamic System
Posted by Dany90 on 4 May, 2018 - 5:16 am
Feedforward implemented in closed loop control where the plant is first order and the controller is PI. Can the feedforward be based on the inverse dynamic system or acceleration?
3-Point Step Control
Posted by trunkbitz on 3 May, 2018 - 3:56 pm
Can someone elaborate 3-point step control on Auto and Manual mode in general?
Need Some Help for Hydraulic Control System
Posted by plcmonkey on 3 May, 2018 - 1:51 pm
Have a project which requires an old OME PLC/HMI which has stopped functioning. The machine is 20+ and contains hydraulics I am unfamiliar with.
MARK VIe-ToolBoxST Modules
Posted by Rasheed on 3 May, 2018 - 5:19 am
Toolbox ST Modules help Module M7FA051A1011_1
Voltage Drop Between Generator and Main Switchboard on an Ocean Going Vessel
Posted by stadimet on 2 May, 2018 - 7:39 am
A new 1.2 MW, 415V, 50 Hz diesel generator has its voltage dropped between its TB and Main switchboard, by more than 6 V (415 down to 409 V) at 100% Resistive load (P.F=1.0). I need to bring it down to less than 4 volts.
Gas Turbine Axial Movement
Posted by Yousaf on 2 May, 2018 - 7:35 am
Why Gas turbine does not move axially when such a high force in form of thermal energy is applied?
Fr9E Exhaust Temperature Controlling Curves
Posted by novice001 on 2 May, 2018 - 6:28 am
Understand different exhaust temperature control parameters/ Limits
Circuit Breaker Tripped Due to Turbine Under Speed
Posted by Ahmed on 2 May, 2018 - 3:57 am
Circuit Breaker Tripped due to Turbine Under speed
Omron PLC
Posted by Brayon on 1 May, 2018 - 8:14 pm
Omron CQM1 Factory reset
Help Me Understand What Is Wrong
Posted by Alex on 1 May, 2018 - 1:22 pm
Help improving my automation business!
ALSPA P320 Documentation
Posted by instrusaad on 30 April, 2018 - 3:30 am
Looking for ALSPA P320 Documentation
R Controller Failed to Come Online After GT Shutdown
Posted by chirus on 29 April, 2018 - 11:18 pm
After shutdown R controller failed to come online although S and T did come online
Choosing Between Two Diesel Engines
Posted by wafa on 29 April, 2018 - 6:55 pm
On what basis we can compare two diesel engines?
Direct or Reverse Controller
Posted by DIEGO HECTOR BARRIGA CARI on 29 April, 2018 - 6:32 pm
Reverse or direct controller example
Connecting a Thermal Solar Plant CSP to the Medium Voltage Network
Posted by ISKNAN on 29 April, 2018 - 1:06 pm
Connection of the thermal solar plant CSP to the medium voltage network.
GT 9E Fail to Ignite after Combustion Inspection
Posted by MOmar91 on 29 April, 2018 - 12:56 am
After combustin inspection the turbine didn't fire on liquid fuel but fired on natural gas due to LF check valves
Steam Turbine Control Oil Pressure Dip
Posted by mabdullahkhan on 28 April, 2018 - 5:11 am
Have sudden pressure dip in control oil pressure from 180 bar to 140 bar for 60MW GE steam turbine
MTU Generators to Connect Al'York Chiller
Posted by Aamir on 28 April, 2018 - 4:20 am
Are our installed 3-MTU generators compatible to run the Al'York chiller
Codesys OPC Issue
Posted by bhargavp89 on 27 April, 2018 - 5:43 am
Problem connections to Codesys OPC
Posted by etoilesh on 27 April, 2018 - 3:49 am
Some one who know how we can see DOS_OnLine of LVDT (Nozzle) under Mk6?
Exhaust Temperature Control Reference Limit
Posted by Mohamed zaki on 27 April, 2018 - 1:01 am
Does exhaust temp control reference (TTRX) have reference value at simple cycle and another reference values at combined cycle?
RS485 to IP Converter
Posted by gunnerabuzaki2 on 26 April, 2018 - 7:52 am
The difference between RS485 to IP converter and MODBUS RS485 to MODBUS TCP/IP gatway
Differential Pressure (Flow) Measurement
Posted by PolyT on 26 April, 2018 - 6:05 am
Flow (based on orifice + differential pressure) calculation in DCS/PLC software
GEM80 FIFAC 9274 Resolver/Synchro Encoder Card Parameters
Posted by jagote on 25 April, 2018 - 10:48 am
Looking for information about GEM80 FIFAC 9274 resolver/synchro encoder card parameters
Air Mass Flow Rate of the Gas Turbine Compressor
Posted by alaloul on 25 April, 2018 - 8:14 am
how can i estimate the compressor inlet air mass flow rate of STG5-2000E gas turbine.
Open Source PLC Environment Eclipse 4diac
Posted by Alois Zoitl on 25 April, 2018 - 6:22 am
Eclipse 4diac ( provides an open source PLC implementation (tool and runtime) for the IEC 61499 standard.
Set Address for Afcon P-CIM SCADA
Posted by radiwahab on 24 April, 2018 - 3:14 am
How to set the address for Afcon P-CIM SCADA
Problems Accessing Configuration Management System (CMS)
Posted by Faris on 23 April, 2018 - 1:54 pm
Unable to access Configuration Management System (CMS) from controller
4-20mA to 10-24VDC Foundation Fieldbus Converter
Posted by Ideh Ebuehi on 23 April, 2018 - 8:41 am
Any recommendations for a 4-20mA to 10-24VDC Foundation Fieldbus converter for use with DVC6010f Positioner
Kuhnke PLC Software
Posted by Kataeb on 23 April, 2018 - 3:22 am
Looking for software for Kuhnke PLC
Testing Allen Bradley Point IO Unit
Posted by misraz14 on 22 April, 2018 - 3:53 am
Testing Allen Bradley Point IO unit without a PLC
Choosing Between Two Marine Gensets
Posted by wafa on 21 April, 2018 - 8:03 am
The criteria for the genset is a semi rapid genset with power output of 1800kva and 60HZ
Hot Jobs During Mark 6 On
Posted by MARKBEGINNNER on 20 April, 2018 - 6:58 pm
Why MARK 6 supply is made off during any hot (welding, grinding) job in gas turbine?
Software Solution for SLC 5/05, RSLinx and Dataport
Posted by John on 20 April, 2018 - 2:14 pm
Need to find software to replace Dataport in project setup with SLC 5/05 and RSLinx
Pressure Monitoring System Issue
Posted by servo92 on 20 April, 2018 - 9:01 am
Reverse voltage Readings Issue of Sensors
GE Gas Turbine 9E Crank Issue
Posted by Aamir25 on 20 April, 2018 - 6:49 am
Over a normal shut down of GE Gas Turbine frame 9E when we try to start the turbine it does not move.
Honeywell Experion Release 311 DCS Manual
Posted by DIM on 20 April, 2018 - 5:04 am
Looking for a copy of Honeywell Experion Release 311 DCS Manual
H 25 Gas Turbine Control
Posted by Thettinaung on 20 April, 2018 - 1:43 am
Questions about H 25 Control system
Generator Load Sharing
Posted by bspace321 on 19 April, 2018 - 6:06 pm
Generator load sharing
What is the relation between speed (rpm), frequency, output power, and load?
Posted by wafa on 19 April, 2018 - 11:03 am
Cannot seem to understand the relation between speed (rpm),frequency, output power and load for a marine genset
Torque Varies at Fixed Input Current for a Servomotor
Posted by Darren Ng on 19 April, 2018 - 3:12 am
Queries about the linearity between the output torque of a servomotor and its input current.
FactoryTalk View Studio SE project to a FactoryTalk View Client SE on Industrial PC
Posted by TheBurnerMan on 19 April, 2018 - 3:00 am
My question is: How do I get this ProjectNew.apa to become a runtime file on the IPC?
How to Configure the ROTORK ACTUATOR IQ Range
Posted by Amar DAMENE on 19 April, 2018 - 2:53 am
Need help from experienced guys on how to configure the ROTORK ACTUATOR IQ RANGE to close and open from DCS
Failsafe System on a Metal Detector
Posted by Bronagh on 18 April, 2018 - 7:48 am
Alarm for failsafe valve on metal detector but the alarm does not sound immediately when it is switched off
Heat Exchanger Not Working Properly
Posted by razzaqfccf on 18 April, 2018 - 6:17 am
In heat exchanger the Control Valve in the steam inlet line keeps hunting now and then.What could be the reason?
PLC with Multiple Field Voltage Inputs
Posted by rutkow on 17 April, 2018 - 11:21 am
Does a non-modular PLC exist that can accept multiple 24V inputs from the field, and auto-switch for redundancy?
Wonderware Archestra Integrated Development Environment (IDE)
Posted by rami on 17 April, 2018 - 5:51 am
Looking for a tutorial or documents that will be useful to learn Wonderware ArchestrA IDE
XM-220 Module via DeviceNet Config
Posted by kareem_405 on 17 April, 2018 - 1:27 am
Need to configure AB speed module XM-220 via DeviceNet
PowerFlex 753 Configuration
Posted by kareem_405 on 17 April, 2018 - 1:20 am
Need to download project file to PowerFlex 753 CNET through RSLogix5K
ControlLogix TCP/IP Socket Communications Issue
Posted by cjmpe on 16 April, 2018 - 4:05 pm
I'm having trouble making Socket communications work between a ControlLogix PLC and a Win 7 PC for job change control.
Spark Plug Mounting
Posted by ENG ORABY on 15 April, 2018 - 6:47 pm
How to adjust spark plugs after major or hot gas path or combustion inspection?
GT DLN System
Posted by kurinjieee on 15 April, 2018 - 1:41 am
GT mode change over from pmss to ppm
Zelio Connected to HMI Omron
Posted by EkaS on 12 April, 2018 - 9:56 pm
How to communicate between Zelio and Omron HMI
MH50 Pallet System Restore Help - Battery Died
Posted by Tony on 12 April, 2018 - 10:31 am
We have a Mitsubishi MH50 Mill that battery went dead in Pallet Pull side - we borught up, set parameters but still won't work.
Siemens OP27
Posted by Arefpour on 12 April, 2018 - 3:19 am
Siemens HMI OP27 to PG communication
Condenser Pressure and Steam Turbine Output
Posted by JonnFive on 11 April, 2018 - 3:14 pm
Condenser pressure shift with no change in steam turbine output.
Reverse Power Calculation by Power Angle for Synchronous Generator
Posted by gpnthdas on 11 April, 2018 - 2:00 pm
Reverse power calculation by power angle (degree) for synchronous generator.
Denso Robot Modbus Implementation
Posted by Franz on 11 April, 2018 - 7:26 am
Connection between PC and Denso Robot Controller via Modbus is making problems. How do you implement modbus protocol in Denso native language PAC script.
Pneumatic Instrumentation Systems
Posted by Ronnny on 11 April, 2018 - 5:29 am
Will the pneumatic instruments be obsolete in the near future?
Flow Calculation
Posted by Ayyappan on 10 April, 2018 - 10:00 pm
We have DP orifice 0~500 mbar. We also have P&T compensation and display value in MMSCFD
Modbus Converters
Posted by Ashton on 10 April, 2018 - 9:40 pm
Best method for this scenario
Plant Cyber Resiliency
Posted by KenCrater on 10 April, 2018 - 9:38 am
NIST has released a draft for comments of a publication on Cyber Resiliency
High Voltage Motor Temperature Rise
Posted by Mohamedibr752 on 10 April, 2018 - 9:16 am
A high voltage motor temperature increased after rewinding.
Triconex DI-3503E Modules Channels Changing Frequently from TRUE to FALSE State
Posted by RH on 10 April, 2018 - 7:19 am
DI-3503E modules channels are changing frequently from TRUE state to FALSE state.
Posted by abusyed on 8 April, 2018 - 7:17 am
Need advice about using 4C or 2Pair cable for MOV instrument that has 2DI and 2DO command to the PCP panel.
Accident Shutdown of Hydro Generator
Posted by Nkezea on 8 April, 2018 - 5:42 am
Accident shutdown of two hydro generator working without load (less that 200 kW) while energizing a power transformer of 12.5 MVA, 110kV/30kV. Can someone explain this phenomenon?
Mark VIE DCS Configuration
Posted by ENGORABY on 7 April, 2018 - 7:03 pm
In GE MARK VIE how to map faceplate in cimedit to block diagram like starter V3?
Instrumentation Diagrams
Posted by Ronnny on 6 April, 2018 - 7:35 pm
What are the Key differences between P &ID diagrams and Loop Diagrams?
Matrix SSR/triac Switching
Posted by queenidog on 6 April, 2018 - 1:47 pm
Leakage in SSR matrix. How to fix?
Unable to Place ABB Bailey BRC410 in Excute Mode
Posted by briq on 6 April, 2018 - 10:37 am
ABB Bailey BRC410 can not put in excute mode
Modbus RTU Message in TCP Packet?
Posted by Lagan74 on 6 April, 2018 - 9:15 am
Possibility to wrap a Modbus RTU Message in a TCP packet.
Modbus for PID Loop Process Variable
Posted by birdcontrol on 4 April, 2018 - 6:35 pm
Possible downsides of bringing process variable (flow rate) into a pid loop via Modbus rather than direct connection.
IGV Modulation
Posted by Rotimi88 on 4 April, 2018 - 12:27 pm
IGV modulation as a function of CTIM
HTTP POST communication to Siemens or Schneider PLC
Posted by bentoh on 4 April, 2018 - 10:10 am
Is it possible that a client application (software camera) send http post with JSON or XML format to a Siemens or Schneider CPU?
GE Torque Converter
Posted by gadouche on 4 April, 2018 - 9:37 am
Torque converter vibrating, we have GE 5001P gas turbine unit and have excessive torque converter vibration.
Prosafe-RS Unlock
Posted by saiab on 4 April, 2018 - 9:36 am
Unlock in Prosafe-RS
Cross Referencing Function Calls
Posted by Karthik on 3 April, 2018 - 10:04 am
Cross referencing function calls between a Citech SCADA project and Wonderware Intouch
Visual Basic Code for Serial Communication
Posted by HASBALLAH on 3 April, 2018 - 8:20 am
Want to transmit data from serial communication protocol to VB.6
DCS to PLC Communication
Posted by Gokul on 3 April, 2018 - 3:28 am
Communication between Honeywell DCS and Modicon PLC
Single Core Drop During Gas Valve Manual Movement
Posted by JMarkV on 2 April, 2018 - 1:40 pm
While attempting to manually move gas valves on a Mark V controlled 7EA Combustion Turbine a single core drops out registering a speed increased more than 5%. Problem happens intermittently, cause unknown.
GE 6FA , SFC Watchdog Fault.
Posted by shahiideee on 2 April, 2018 - 6:05 am
GE 6FA machine SFC watchdog fault during offline water wash
cPCI 3840 - Alspa p320 Alstom
Posted by TonyBorntoKill on 1 April, 2018 - 2:22 pm
Replacing a diccontinued cPCI (adlink 3840)
Field Switch Not Closing Occassionally
Posted by davidmcc on 1 April, 2018 - 6:30 am
Field switch not coming on and machine sits at synchronous speed with no volts.
Ribbon Mark V
Posted by Badrul Hisham on 31 March, 2018 - 11:04 pm
Looking for Mark V GE cables
Effect of Fuel Gas Temperature for Gas Turbine
Posted by rd on 31 March, 2018 - 7:48 am
Effect of Fuel gas temperature for Gas turbine (GE make)
IGV Angles
Posted by kmn000 on 28 March, 2018 - 10:15 pm
why are IGV degree angles are limited to 34-86dgA range?