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?
Posted by Franco Kew on 10 July, 2014 - 10:06 pmVFD AC Motor Issue
Starting and running an ABB type AC motor
Posted by Anonymous on 10 July, 2014 - 12:27 pmVTScada 11 hmi software? Any thoughts
Looking for feedback on anyone who has integrated systems using this software.
Posted by saha on 10 July, 2014 - 10:43 amFSR Startup Temperature
Compressor Discharge temperature & FSR startup (FSRSU)relationship
Posted by Not the real CSA on 9 July, 2014 - 7:45 pmCalibrating SRV with HR pump
What is the correct procedure for calibrating SRV with HR pump
Posted by Not the real CSA on 9 July, 2014 - 5:32 pmProblem with modbus getway
Communicating with Mark VI via HMI or getway
Posted by SSV on 9 July, 2014 - 2:01 pmDLN1 facing secondary flame out during premix to lean lean
DLN1 facing secondary flame out during premix to lean lean
Posted by Kevin on 8 July, 2014 - 8:17 pmGE Mark VI/VIe HMI and Software Questions
Specific questions about Mark VI and VIe.
Posted by Grimreaper on 8 July, 2014 - 5:05 pmelectrical servo drives health check
On site servo drives health check
Posted by Amit on 8 July, 2014 - 3:47 amSIS Control
Incorporation of control and protection function in SIS
Posted by Ali on 7 July, 2014 - 10:09 pmdifference between AFQ & AFQD signals for GE turbine
GE MARK VI for 7F DLN2.6 Machines
Posted by A Nasser on 7 July, 2014 - 12:57 pmHow to learn DCS System?
How to learn DCS System?
Posted by Nguyen Thanh Son on 7 July, 2014 - 12:18 pmCannot Print alarms from MKVI control system
problem: Cannot Print alarm messages in MKVI control system
Posted by Izhar on 7 July, 2014 - 11:52 amFrame 9E Gas Turbine
Frame 9E gas tubine impulse/reaction stages and special coating on compressor stages.
Posted by MH on 7 July, 2014 - 7:20 amSocomec DIRIS A40 Modbus RS485 Problem
Socomec DIRIS A40 RS485 ModBus communications problem
Posted by electricalman on 7 July, 2014 - 3:58 amEX2000 Fault : ST 717_ _PS AC IN and FL 711_ _MCP SYNC
We have EX2000 with static exciter type which is installed on our Steam Turbine Generator, made by GE.
Posted by RAJESH on 6 July, 2014 - 4:34 pmReading Hot Thermocouple
Does a hot thermocouple in junction box give an actual reading?
Posted by alancars on 6 July, 2014 - 3:37 pmhand off auto - wiring a mcc bucket
does hand mean hand or Auto?
Posted by Actarus800 on 6 July, 2014 - 11:44 amBeckhoff BC9000 FB_SNTP Clock Synchronization
Beckhoff BC9000 FB_SNTP Clock Synchronization
Posted by Mahdi on 6 July, 2014 - 11:34 amFSR control frequently balancing
FSR control frequently balancing between minimum fuel, acceleration and speed load
Posted by V K GUPTA on 6 July, 2014 - 9:00 amMARK-VIE SOE ALARM
MARK-VIE SOE ALARM APPEARED FREQUENTLY IN GT RUNNING OR STOP CONDITION
Posted by ashiq on 6 July, 2014 - 8:13 amExcitation alarm rotor current limit high
Excitation system triggered rotor current limit high alarm
Posted by Reeny on 6 July, 2014 - 7:36 amSiemens PLCs s7-400 backup
Creating a backup for an s7-400
Posted by Santanu Das on 6 July, 2014 - 2:25 amElectrical Engineering-Protection
Is it true that during short circuit of 3Phase line no zero sequence current will flow?
Posted by Santanu Das on 6 July, 2014 - 2:22 amElectrical Engineering-Transformer
Is there any formula for calculating the number of turns in each side of a transformer??
Posted by Sajan Shrestha on 5 July, 2014 - 11:57 pmAlstom ALSPA P320 HDSR
Accessing historical data base when using Alstom ALSPA P320 HDSR in Virtual Machines
Posted by samtronic on 4 July, 2014 - 4:48 pmIGV position Trouble
IGV feed back error
Posted by ANWESHA on 4 July, 2014 - 11:09 amReading or writing Text (string) from OPC in CS3000
Is it possible to Read 'Text/string' data from OPC into Yokogawa CS3000 system?
Posted by Kevlonski on 4 July, 2014 - 8:51 amLimit switch
Looking for limit switch compatibility between VDC and VAC
Posted by kamaraj on 4 July, 2014 - 6:13 amDP to Flow conversion
can we directly configure square rooted DP (4 - 20mA) from DP transmitter to flow
Posted by shan marshal on 4 July, 2014 - 3:31 amConnecting a Emmerson AMS
Connecting a Emmerson AMS for Profibus
Posted by Jim Pinto on 3 July, 2014 - 12:40 pmJimPinto.com eNews - Final issue - 3 July 2014
The last JimPinto eNews is available at http://www.jimpinto.com/enews/final3july2014.html
Posted by P Paul on 3 July, 2014 - 11:58 amRS485 multidrop network drops after few days
Modbus connections drops after few days and it resumes by changing modbus parameters in slave device.
Posted by Clay Robbins on 3 July, 2014 - 11:54 amLiability?
Am I personally liable if I build a machine without safety features to prevent an operator from getting hurt?
Posted by ANWESHA on 3 July, 2014 - 4:08 amReading text information from OPC to yokogawa CS3000
Is it possible to read text/string from OPC to CS3000 in some way?
I would like to read a Batch number which is scanned and fed to OPC and display in the graphics of CS3000.
Is that possible?
I would like to read a Batch number which is scanned and fed to OPC and display in the graphics of CS3000.
Is that possible?
Posted by Biky on 3 July, 2014 - 1:38 amJunction Box Ex 'e' 'p' Calculation
Looking for a junction box Ex 'e' 'p' Calculation
Posted by JBMichael on 2 July, 2014 - 3:40 pmGFCI
I would like to install a GFCI in a control cabinet for a CNC machine.
A body of elderly gentlemen charged with high duties and
-- Ambrose Bierce