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6
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Fluctuating Allowable Spread in Hitachi H-25 Gas Turbine
Posted by Abubakar_96 on 2 June, 2017 - 3:04 am
The value of allowable spread is fluctuating from 80 degrees to 150 degrees at 21MW.
Fuse an IGBT -> DBR circuit
Posted by Leggir on 1 June, 2017 - 11:26 pm
After a catastrophic failure of a dynamic brake, I've been tasked to come up with a solution to prevent/restrict future failures.
Adding New Register in Mark V
Posted by Ben Salem on 1 June, 2017 - 6:19 pm
Need to add new contacts incoming from DCS to Mark V but I don't have spares (+HR)
1
reply
Sensors and OEE
Posted by Jeremy Pollard on 1 June, 2017 - 10:09 am
Software to monitor a machine or process and determine when it is failing.
1
reply
Generator Rotor Earthing
Posted by davidmcc on 1 June, 2017 - 7:31 am
Generator rotor earthing on a frame 6B generator
1
reply
Foxboro RTU to Kepserver
Posted by Madara_inst on 1 June, 2017 - 6:51 am
want to read data from a foxboro rtu (mainly FOx rtu station with iagraf 5.13) via a kepware server
Frame 6B Generator Star Point NER
Posted by davidmcc on 1 June, 2017 - 6:40 am
Neutral earthing resistor on GE Frame 6B
1
reply
Cut to Length Servo Control
Posted by Cinger on 31 May, 2017 - 7:53 am
Which application is best suited for this?
1
reply
Meaning of Speedtronic Mark IV Error
Posted by DAMENE on 31 May, 2017 - 4:42 am
We need to understand this speedtronic Mark IV error
Connection Issues with 1756-ENBT Ethernet Bridge
Posted by Nate on 30 May, 2017 - 11:49 am
Connection issues between 1756-ENBT/A and EZ Marquee LED Display
9
replies
Writing Modbus Values to an ODBC Database
Posted by Tachaqourrt on 30 May, 2017 - 3:16 am
How to write Modbus values in an ODBC database?
9
replies
Low Hydraulic Pressure Lead to Closing GCV
Posted by Aptx4869 on 30 May, 2017 - 2:30 am
Low Hydraulic Pressure closes GCV but IGV remains stable
BACnet App?
Posted by judepom on 29 May, 2017 - 8:38 pm
BACnet bacmove app
4
replies
Combined SRV/GCV
Posted by dkra on 29 May, 2017 - 3:46 pm
7500 series combined SRV/GCV assembled together vertically. GCV stem was stuck after recent overhaul.
Bailey Infi90 Cabinet Serial Number
Posted by Glenn1956 on 29 May, 2017 - 2:26 pm
How to decipher Infi90 Cabinet Serial #
Verify or Simulate Logic in Control Sheet and Control Macros
Posted by boosterhidrogen on 29 May, 2017 - 10:00 am
Looking for software to study my plant control sheet and control macros like dual valve, medium voltage motor
2
replies
Software to View Water Level
Posted by rakibcnrd on 29 May, 2017 - 9:43 am
Software to View Water Level for ICT1000 with Modbus RS-485 Output
1
reply
ESD Systems
Posted by Jenos on 28 May, 2017 - 12:42 pm
ESD systems basics
3
replies
Unit ID
Posted by mgyinn on 28 May, 2017 - 12:14 pm
Unit ID of SDM120 Power Meter
3
replies
Wiring Diagrams for Rotork Electric Actuator
Posted by varatharajan on 28 May, 2017 - 11:33 am
Need manual and wiring for rotork model k30 F10A
1
reply
Yokogawa SSC10D
Posted by Sam Young on 28 May, 2017 - 8:57 am
Can Yokogawa SSC10D safety controllers can be purchased as second-hand?
3
replies
Valve Leak Solution
Posted by anwartota9 on 28 May, 2017 - 8:21 am
Possible solutions to prevent a leak in LS-185D valve. The valve has two solenoids, one for opening and the other for closing the valve.
5
replies
High Exhaust Spread in 6B
Posted by k000 on 27 May, 2017 - 7:09 pm
Reason for high exhaust spread in frame 6B machine
Elektronikon - CANbus Protocol
Posted by KCRider01 on 27 May, 2017 - 6:56 pm
Has anyone had experience with implementing HMS' Anybus CANbus-to-Modbus gateway for communicating with Atlas Copco's Elektronikon?
3
replies
Ex ia Transmitters and Barrier
Posted by behzad_6718 on 27 May, 2017 - 5:02 pm
Using an Ex ia transmitters without a barrier
Wheelspace Thermocouple Installation
Posted by Fizzeus03 on 27 May, 2017 - 1:19 pm
Low impedance <0.6Mohms on both the 2nd Stage AFT wheelspace TC.
2
replies
GE Mark VI Manuals
Posted by Sheheryar on 27 May, 2017 - 1:54 am
Looking for MARK VI Manuals
Free MQTT Broker for Modbus TCP/IP
Posted by Heru Iqbal on 25 May, 2017 - 9:12 am
MQTT and Modbus help advance the IoT in a complementary way. Using Modbus as a local interface to manage devices and MQTT as a global protocol to expand the reach of those devices.
Can Zone 2 Gc Equipment Inside a Zone 1 Gb Ex de Enclosure
Posted by Jimmy on 24 May, 2017 - 8:10 pm
Can zone 2 IECEx equipment go inside a zone 1 rated panel, or, is the atmosphere inside a Ex de Gb panel de-rated to zone 2?
9
replies
Alarm System for Monitoring a Pond
Posted by Edward on 24 May, 2017 - 4:47 pm
I need to monitor a few ponds, the temp, oxygen level and flow rate into it. Not sure what to use.
2
replies
GE Customer Training
Posted by Aptx4869 on 24 May, 2017 - 8:38 am
Anyone taken GE Customer Training (Gas Turbine) Classes?
3
replies
Interfacing PLC and SCADA
Posted by Shailesh09 on 24 May, 2017 - 3:15 am
Connecting 5 individual Compressors in PLC system to SCADA.
12
replies
RTD or Thermocouple for Bearing Temperature
Posted by hany5757 on 23 May, 2017 - 12:56 pm
Which is preferred RTD or thermocouple for measuring bearing temperature and why?
4
replies
Potentiometer That Does Modbus RTU Via RS232 or RS485
Posted by Newbie in need. on 23 May, 2017 - 12:44 pm
I need a knob that can control a timer in my plc but I have no analog inputs.
2
replies
How to Repair the 6FA GT Speed Ratio Valve Oil Leakage
Posted by Any on 23 May, 2017 - 3:18 am
Leaking valve on GE make Mark V control system. Looking for advice on how to arrest the leakage. And for advice on proper procedure for dismantling and assembling the SRV.
8
replies
Selecting a Transmitter
Posted by mahmudrezasumon08 on 23 May, 2017 - 1:47 am
Criteria for selecting a transmitter from a vendor whose products you have not used before
1
reply
Building a Yokogawa CENTUM CS3000 from Parts
Posted by misraz14 on 22 May, 2017 - 2:09 am
I need to build a CENTUM CS3000 system from spare parts
1
reply
Oscilations with Multiple PIDs
Posted by felix on 21 May, 2017 - 6:15 am
Control of a (simulated) humanoid robot with PIDs to control each joint: osculations at 0.5*simulation frequency (=0.5*control frequency)
1
reply
Scale Indicator Programming Code
Posted by mustafa1990 on 20 May, 2017 - 1:21 pm
cas indicator scale programming code
2
replies
Belt-type Feeder Calibration
Posted by Faizanmoon on 20 May, 2017 - 3:03 am
what should be the right proceedure of calibaration.
3
replies
Submersible Level Sensor
Posted by rakibcnrd on 19 May, 2017 - 11:45 pm
Definition of Hazardous area.
1
reply
HMI interface with RTU
Posted by Bayoo on 19 May, 2017 - 7:32 pm
Interfacing a Local SCADA HMI with an existing RTU from two different Vendors?
2
replies
Transmitter Impulse Tube Insulation
Posted by Aimo on 19 May, 2017 - 2:23 pm
Heat Tracing or/and Glycerine filling for DP impulse tubes
Unbalanced Loads and Negative Sequence Currents
Posted by kim on 19 May, 2017 - 11:11 am
Want to learn more about negative sequence currents...
2
replies
Turbine Control - MARK 6 and MARK 6e
Posted by AsharMallick on 19 May, 2017 - 2:24 am
What is the basic difference between mark 6 and mark 6e?
3
replies
GT Starting Means
Posted by kho00 on 18 May, 2017 - 11:13 pm
want to understand detailed operation of starting means
6
replies
Mark 5 SRV Control
Posted by cloftin on 18 May, 2017 - 8:14 am
Rebuilt SRV is swinging
Modbus TCP/IP and Proxy
Posted by daniel on 18 May, 2017 - 5:22 am
How does the Modbus TCP/IP work when the ports used are disabled? can it use a proxy to go through that?
1
reply
Communicating with an Allen Bradley 1394 GMC Digital Servo
Posted by Shoaib on 18 May, 2017 - 1:22 am
Problems Communicating with Allen Bradley 1394 GMC turbo system
Connectors for AB Kinetix Drive
Posted by Rob Riley on 17 May, 2017 - 5:40 pm
Need connectors for the Allen Bradley Kinetix 5500 drive power in/out, encoder, DC power, etc...
1
reply
Liquid Fuel Bypass Valve
Posted by 6bturbinetech on 17 May, 2017 - 2:15 pm
How to check/stroke the Liquid Fuel Bypass valve to make sure polarity is correct
Japan Electrical Rating D2G4
Posted by duckpinjoe on 17 May, 2017 - 1:53 pm
Are Japanese electric motors with EXP rateing D2G4 same as USA Class1 DIV 1 Group C,D?
Ovation DCS in Power Plant Has No FGS System
Posted by boosterhidrogen on 17 May, 2017 - 12:32 pm
No fgs system either as an ESD or SIS in ovation DCS power plant
3
replies
induction Motor V/Hz Ratio Is Low - Effect?
Posted by dirtyc on 17 May, 2017 - 10:55 am
Induction motor run at a lower than designed V/hz ratio...what happens?
Adding a Signal to GTG MKVI MODBUS
Posted by FlyinScot on 17 May, 2017 - 10:07 am
Need to add a point to DCS over Modbus from MKVI
2
replies
Coriolis Flowmeter Problem
Posted by Lubiticks on 17 May, 2017 - 7:13 am
After transfer of vegetable oil the Endress Hauser Coriolis Flow meter total reading is off. What has been sent out is not the same when we compare.
3
replies
PLC and 3X Register Communication
Posted by LastCall on 17 May, 2017 - 6:16 am
Can anyone recommend a PLC and software that can read 3X registers from a device
3
replies
MODBUS Remote interface
Posted by Alessandro Galbiati on 17 May, 2017 - 4:30 am
Looking to modbus datalogger with GSM/GPRS connection
11
replies
ISaGRAF to InTouch
Posted by Madara_inst on 17 May, 2017 - 4:17 am
how to receive data from ISaGRAF through Wonderware InTouch and OPC
6
replies
MARK I Control System Backsheets
Posted by TheGingerbeer on 17 May, 2017 - 3:44 am
Collecting diagnostic data from Mark I system
1
reply
Counters in Controller in MARK Vie system
Posted by Chiranjeevi on 16 May, 2017 - 11:52 am
why are some important counters are stored in controller ucsbh1a?
2
replies
Full Speed No load Allowed Time for Steam Turbine
Posted by aminsameipoor on 16 May, 2017 - 1:48 am
What is the allowed time for operation Steam Turbine at Full Speed No load condition
1
reply
Engine Exhaust Temperature Thermocouple
Posted by rakibcnrd on 15 May, 2017 - 11:31 pm
How to select proper thermocouple and monitoring system.
3
replies
Forcing IBH OFF 9E
Posted by bil07 on 15 May, 2017 - 11:11 pm
DLN (Dry Low NOx) combustors 9E to force IBH OFF 85MW
1
reply
Viruses and Malware
Posted by Jeremy Pollard on 15 May, 2017 - 4:27 pm
What kind of experiences have you had with industrial viruses and malware?
2
replies
Engineer Needs Help with Analogic Circuit
Posted by Saul on 15 May, 2017 - 11:41 am
Help me understand how an analogic generator regulator (AVR) works
2
replies
Simple and Inexpensive HMI Software
Posted by misraz14 on 15 May, 2017 - 10:05 am
Looking for simple and cheap HMI software with option for multiple web clients for a small application
YOKOGAWA CENTUM VP Historical Report
Posted by latsanyEE on 15 May, 2017 - 12:40 am
How to show message Number from historical report
3
replies
Wet Compression or Inlet Cooling for Gas Turbines
Posted by Sudhir1 on 14 May, 2017 - 11:19 pm
MHI gas turbines with inlet cooling or wet compression implementation
2
replies
Combustion Dynamics in Gas turbine
Posted by bil07 on 14 May, 2017 - 11:47 am
Description of combustion dynamics in Gas turbine, CDM
1
reply
Floating Roof Tank Level Measurement
Posted by asudhish on 14 May, 2017 - 6:07 am
Can Floating Roof Tank level measurement be achieved through standard DP measurement
2
replies
L4DE, L69DE in MARK VIe Gas Turbine
Posted by Chiranjeevi on 13 May, 2017 - 8:36 am
L4DE, L69DE variables in Frame 5 gas turbine with MARK VIe
7
replies
Remote Monitoring of Analog Inputs
Posted by Faisal Rehman on 13 May, 2017 - 12:18 am
Remotely monitoring Analog Inputs (4-20mA) on web browser or mobile.
Four Quadrant Energy Metering
Posted by Arif_LP on 12 May, 2017 - 8:30 am
Facing problem in differentiating between wheeling power and import power
1
reply
Best Fuel Control Mode for Mars-100 Gas Turbine
Posted by gascompoperator on 12 May, 2017 - 12:55 am
Need help to determine the best fuel control mode for Mars-100 gas turbine
SICK FLOWSIC100 Flare Ultrasonic Insertion Flowmeter
Posted by I&amp;E Guy on 11 May, 2017 - 8:58 pm
Seeking the experiences of people using SICK FLOWSIC100 Flare
6
replies
Modbus TCP Topology and IPv6
Posted by Stan on 11 May, 2017 - 11:38 am
What are the limitations of having Modbus TCP with another protocol in the same network, ex, intranet in an enterprise for example?
Allen Bradley 1336 PLUS Drive - Restart After a Power Blip
Posted by Suleman on 11 May, 2017 - 10:50 am
Allen Bradley 1336 PLUS drive trips off after a power blip. Faults show power line loss and low bus fault.
1
reply
Flow Direction for Butterfly Valves
Posted by SHIRLEY on 11 May, 2017 - 1:26 am
Flow direction/flow action for butterfly valves
Modbus RS485 ~16 Input Module
Posted by Alan on 10 May, 2017 - 6:52 pm
Looking for a tough digital input module that can connect into a RS485 line, Modbus address settable, 24Vdc supply.
2
replies
Mark4 Diagnostic eeprom Fail
Posted by borrellimd on 10 May, 2017 - 4:02 pm
Mark4 eeprom HUMB u28, 30 failed diagnostic
3
replies
Hagan Controls Corporation Pittsburgh PA
Posted by george moore on 10 May, 2017 - 3:44 pm
Looking for a parts distributor for a Hagen Control valve on a Fuel Oil system
Convert Concept 2.2 to ProWorx 32
Posted by adrianrr on 10 May, 2017 - 12:11 pm
Trouble converting Concept 2.2 program to ProWorx 32.
Saia PLC and cgi Calls
Posted by AlexJ on 10 May, 2017 - 3:52 am
ftp over http with ftp.cgi calls
2
replies
Yokogawa CENTUM CS3000
Posted by misraz14 on 10 May, 2017 - 3:24 am
I want to build and program a CENTUM CS3000 system.
Boiler Registeration in India
Posted by Mani_1984 on 10 May, 2017 - 12:43 am
Is is possible to register a boiler in India before safety valve floating?
Quality Control in Gas Turbine Maintenance
Posted by benjie on 9 May, 2017 - 6:11 am
Developing quality checkpoints/checklists for mechanical, electrical and instrument maintenance jobs
1
reply
HART Multi-Drop Connection Wiring
Posted by rajesharihant on 9 May, 2017 - 5:53 am
HART Transmitters in Multidrop wiring
1
reply
Hydraulic Pressure Not Raise in Frame-Vi
Posted by Mastersv on 9 May, 2017 - 4:42 am
Any body guide how to set hydraulic pressure in frame-Vi machine
2
replies
Reducing Noise from the Sensor Signal
Posted by rakibcnrd on 9 May, 2017 - 2:33 am
How to reduce noise from sensor signal?
2
replies
mA to Voltage Conversion
Posted by rakibcnrd on 9 May, 2017 - 1:21 am
Resistor power rating for converting 0-20mA to 0-5 volt.
Vegapulls 62 Radar Level Transmitter Troubleshooting
Posted by gajanan94 on 8 May, 2017 - 3:27 am
Vegapulls 62 radar level transmitter fluctuating. Need help to troubleshoot.
5
replies
Infinite Bus / Synchronization
Posted by Wisdom on 7 May, 2017 - 5:21 pm
What is an Infinite Bus?
2
replies
Citect and Sepam in IEC61850
Posted by Fneto on 7 May, 2017 - 4:10 pm
Communicating between Citect 2016 and a Sepam relay in IEC61850 using protocol
Cimplicity Webview
Posted by misraz14 on 7 May, 2017 - 7:45 am
How to use pop up screens in web view
3
replies
SCADA in Australia
Posted by misraz14 on 7 May, 2017 - 1:54 am
Most popular SCADAs in Australia
Ignition Proving Cycle
Posted by John on 6 May, 2017 - 8:20 pm
Ignition proving cycle for a steam generator in a coal fired power plant
5
replies
Issues with GE 7E Hydraulic Systems
Posted by Okocha on 6 May, 2017 - 3:54 pm
At power plant some of hydraulic systems in some GE 7E units have following problems: gas hydraulic pressure low, Gas fuel hydraulic pressure low, and 88 HQ running.
Ansaldo Thomassen Frame 5 Renewal Parts Manual
Posted by Mohamedibr752 on 6 May, 2017 - 11:13 am
Looking for a soft copy of th Ansaldo Thomassen Frame 5 Renewal Parts Manual
Phase Shift in Generator Stepup Transformer
Posted by speed_tronic on 6 May, 2017 - 6:33 am
For a YnD11 generator step up transformer, will the stepped up voltage will go to grid from star winding with 30 degree phase shift?