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Forum Archive
GE MultiNET4 Comms Setup
Posted by Iwo on 19 December, 2016 - 10:09 pm
How to setup the communication between PC and GE MultiNET 4
5
replies
FSR Backup Control
Posted by MARKlaneV on 19 December, 2016 - 2:00 pm
Causes and solutions to overcome FSR backup control
3
replies
Bearing Drain Temperature
Posted by MAHENDRA on 19 December, 2016 - 4:41 am
Want to understand functioning of logic block for bearing drain temperature
1
reply
Opening IGV Full for DLN GE Frame 9E Gas Turbine While Going to Base lLoad
Posted by MAHENDRA on 19 December, 2016 - 4:13 am
Can We open IGV to full 84 degree at 40 MW while loading to base load?
2
replies
Siemens to GE Fanuc PLC Communication with Modbus RTU
Posted by dheerendar on 18 December, 2016 - 3:00 am
Connecting a Siemens S7-300 PLC to fetch data from GE Fanuc Micro PLC through Modbus RTU.
3
replies
Simulating Multiple MODBUS TCP Devices to Test a Custom SCADA
Posted by andig on 18 December, 2016 - 12:28 am
To test a C# dotNET SCADA connecting to multiple MODBUS TCP Devices including Gateways and PLCs
2
replies
Maintenance of VA19 Valve When the GTG Is Running
Posted by abdi on 17 December, 2016 - 5:38 am
For better access to the control valve for repair when the gas turbine is in service
PROVOX --- Control Designer Help
Posted by cjjeeper on 16 December, 2016 - 2:58 pm
New to Provox Control Desktop/Control Designer. Control Designer throwing an message trying to open controller.
6
replies
MKVI IGV LVDT Fail
Posted by Rom on 16 December, 2016 - 10:16 am
Frame 6FA MKVI trip after IGV LVDT failure
1
reply
Bumpless Control When Shifting from 3 Element to Single Element
Posted by AR on 16 December, 2016 - 4:29 am
Achieving bumpless control when shifting from three element to single element in element control logic
5
replies
Speed Hunting
Posted by VKGUPTA on 16 December, 2016 - 3:45 am
Gas turbine Frame-V machine speed hunting observed intermittently.
3
replies
Upgrading My Skill Set?
Posted by Harvard07 on 16 December, 2016 - 12:44 am
Looking for some C# and VB.NET hind sight for a future decision.
4
replies
GT Tripping High Vibration on Part Load
Posted by Manoj Agrawal on 16 December, 2016 - 12:05 am
Hitachi GT 25MW tripped on High vibration bearing 1 on reduction of load from base load
10
replies
Themocouple Ferrules and Sleeves Wiring
Posted by Ikhtiander on 15 December, 2016 - 8:07 pm
What are the best wiring practices for the ferrules/sleeves be in my application?
29
replies
Explosion in Frame 7FA Turbine Compartment
Posted by Astrid Ramírez on 15 December, 2016 - 5:50 pm
Explosion in frame 7FA turbine compartment and damage in secondary flexible hose in combustion chamber # 9 and in tertiary flange in combustion chamber #8
1
reply
Trips on LM2500+DLE Associated with MKVI and HMI.
Posted by NGdave on 15 December, 2016 - 9:27 am
PGT25+ Trips due to MKVI HMI "Virtual Memory Full"
3
replies
Ratchet Sequencer Alternative Circuit
Posted by Sadiyainst on 15 December, 2016 - 1:48 am
Development of alternative Ratchet Sequencer Circuit in case of MARK-VI Control system failure
1
reply
Cooling Methods for Frame 6 Gas Turbine
Posted by seeker on 14 December, 2016 - 11:57 pm
Cooling wheelspace using 5th stage extraction from compressor
Masking Alarms from Quick Builder Points on Experion PKS
Posted by ghsalsaid2 on 14 December, 2016 - 11:17 pm
Want to mask the priority of alarms using Quick Builder when certain equipment is shutdown.
3
replies
Turbine Bearing Vibration and Oil Leak
Posted by Aptx4869 on 14 December, 2016 - 12:17 pm
7FA Turbine Bearing 2 Vibration and Oil leak.
2
replies
LOSS OF MW
Posted by CTLP on 14 December, 2016 - 9:29 am
LOSS OF MW in turbine 6000f
Why in 7FA IGV Angle Hunting Due to Change in TTXM
Posted by Power13031978 on 14 December, 2016 - 7:35 am
Why IGV angle is hunting when TTXM is changing
3
replies
Frame 6B Trip on High Lube Oil Temp
Posted by davidmcc on 14 December, 2016 - 7:22 am
GE Frame 6B gas turbine trip on high lube oil temperature on load gearbox drain
2
replies
Pressure Control Valve Installed on a Propane 3 inch Line
Posted by Noor0808 on 13 December, 2016 - 2:36 pm
After replacing seat and plug on pressure control valve it is still leaking
3
replies
EMI Effect on Communication Using Modbus Protocol
Posted by Nikhil on 13 December, 2016 - 3:11 am
Need a method (or idea) on how to analyze the effect of EMI on data error
2
replies
Isolation Valve for Hydraulic Tube Inlet to GCV, SRV, LCV
Posted by abdi on 12 December, 2016 - 6:30 am
Isolation valve for hydraulic tube valve inlet to gas control valve
1
reply
Modbus with PIC24
Posted by vikranth123 on 12 December, 2016 - 5:55 am
Reading sensor output via MODBUS to PIC24 controller
1
reply
Bently Nevada Alarm Causing Turbine to Trip
Posted by azlan on 11 December, 2016 - 12:55 pm
Bently Nevada 3500 alarm activated causing the gas turbine trip
2
replies
Level Transmitter
Posted by Elmira on 10 December, 2016 - 12:18 am
level transmitters for closed drain system
TL 20000E Grid Inverter Remote Monitoring
Posted by Omar Brown on 9 December, 2016 - 2:51 pm
Looking for a supplier for an interface to remotely monitor my three Conext TL 20000E inverters
2
replies
Modbus TCP Slave Request Rejected
Posted by Trey on 9 December, 2016 - 1:07 pm
Modbus slave receives request and shuts down TCP link
Bad PV Alarms in RS3/DeltaV Inputs
Posted by Joao Queiroz on 9 December, 2016 - 9:53 am
Bad PV Alarms on analog measurements in conversion from RS3 to DeltaV.
1
reply
Magnetically Coupled Drives
Posted by PaulKraemer1 on 9 December, 2016 - 9:35 am
Can I use a magnetically coupled drive work through 2 inch thick polypropylene?
Hot Replacement GE Fanuc Module
Posted by anhviva on 9 December, 2016 - 3:56 am
Any experience out there for a hot replacement of Ge Fanuc module?
1
reply
BS-4999 Part 142 Vibration
Posted by anaalmansuri on 8 December, 2016 - 3:12 am
What is the requirements of BS-4999 for Vibration monitoring?
1
reply
Modbus Command
Posted by Mohammad Mp on 7 December, 2016 - 9:14 am
Problem in Modbus File Write Command
2
replies
Sending Data Thru Modbus Between Triconex & C300 Honeywell DCS
Posted by instengg2016 on 7 December, 2016 - 12:13 am
Sending SOE data on Modbus between Triconex PLC and Terminal Servers for Honeywell C300
13
replies
Emerson Ovation vs GE Mark VIe
Posted by CRSwanson on 6 December, 2016 - 7:16 pm
I am in the process of evaluating the Emerson Ovation and GE Mark VIe to replace our old ABB P13 DCS.
7
replies
Placing a Motor in an Explosion Proof / Intrinsically Safe Location
Posted by PaulKraemer1 on 6 December, 2016 - 10:17 am
What are the physical/electrical barrier requirements if I want to locate a motor in a hazardous location with its associated drive outside of the hazardous location?
2
replies
Drive PWM/Carrier Frequency Question
Posted by dirtyc on 6 December, 2016 - 9:35 am
How does the carrier frequency relate to number of pulses a PWM drive puts out?
2
replies
Proface HMI
Posted by rakesh on 6 December, 2016 - 2:20 am
Proface HMI GP 4301 TW screen blinking
2
replies
IEC61850 CID ICD Files
Posted by Alex_38 on 5 December, 2016 - 4:33 pm
Duty for CID and ICD files and their respective definitions
1
reply
Walkie Talkie Interference
Posted by wnewton1 on 5 December, 2016 - 1:45 pm
Keying microphone(s) causes computer LCD monitor to black out.
1
reply
Mark VIe I/O Pack Testing
Posted by Seeker on 5 December, 2016 - 8:54 am
How to test if the Mark VIe I/O pack is working or not
1
reply
Water Injection Pump for GE Turbine
Posted by Ayed on 5 December, 2016 - 5:57 am
Which is better? Pump with VFD or constant speed pump in water injection?
1
reply
Siemens Simoreg DC Drive Fault Message F030, F035
Posted by Mahmud on 4 December, 2016 - 4:48 am
Siemens Simoreg DC Drive Fault Message F030, F035
2
replies
3-Way Purge Valve Coking in the Purge Air Port
Posted by Aptx4869 on 3 December, 2016 - 4:44 am
3-way purge valve has coking in the purge air port and liquid passing to the can.
7
replies
Modbus Function Code
Posted by 386956599 on 2 December, 2016 - 7:27 am
Modbus function code 03 and 04 confusion
1
reply
Open/Close Test of Liquid Fuel Bypass Valve without LVDTs
Posted by Wajid29 on 1 December, 2016 - 9:34 am
How to perform open/close test liquid fuel bypass valve servo valve 65FP on GE frame 9E machine without LVDTs?
2
replies
GE Mark VI S Controller Failure
Posted by matrix2016 on 1 December, 2016 - 8:26 am
GE Mark VI controller S status offline several days after startup
5
replies
GE Frame 9E Turbine Support Leg Bulge
Posted by mechnub on 1 December, 2016 - 3:04 am
Turbine support leg center body bulge slightly when cooling water pump runs
MCC Earthing
Posted by ahdash on 30 November, 2016 - 5:57 pm
Earthing design and standards
1
reply
Used Gas Turbines
Posted by ahdash on 30 November, 2016 - 5:53 pm
What to look for when purchasing a used gas turbine?
Modicon Quantum/Word Mapping
Posted by thomasicsc on 30 November, 2016 - 5:00 pm
Trying to understand word mapping
5
replies
RS232 Over Fiber Issue
Posted by jeffworn on 30 November, 2016 - 2:06 pm
Can't establish RS232 Cisco console session using RS232 fiber converter
7
replies
Coil Overheating Issue
Posted by Kamran Ali on 30 November, 2016 - 2:00 am
We have an 220 VAC solenoid at one of our McQuay Chillers. It is used as part of its expansion valve. We have been facing overheating issues for a while.
7
replies
Evaporative Cooler On/Off Linked to IGV Angle in GE 7FA
Posted by Power13031978 on 29 November, 2016 - 2:59 pm
Reason for evaporative cooler on/off linked to IGV angle in GE 7FA?
1
reply
Ms5001 Startup Problems
Posted by Alfred MP on 28 November, 2016 - 1:25 pm
Markvie ms5001 trips at 95% speed by oscilating flame loss. Message no followed GCV reference.
1
reply
Manual Fuel Transfer on Frame 9E Gas Turbine
Posted by George Avorka on 28 November, 2016 - 12:23 pm
Why shouldn't we manually transfer fuel on the frame 9E gas turbine at loads less than 30MW?
1
reply
Setting up Profinet I/O in Siemens TIA Portal
Posted by oli268 on 28 November, 2016 - 8:32 am
Siemens PLC Controlling a Lenze servo
6
replies
Islanded Case Frame VI GT Mark V Ramp Rate
Posted by mechpramod on 28 November, 2016 - 5:22 am
Need to know load ramp rate of Frame VI GT
2
replies
Citect v7.40 SP2 - Modbus/TCP - Request Wrong Word Count
Posted by agoslinski on 28 November, 2016 - 4:08 am
Citect is sending wrong Modbus requests to my Moxa gateway. Word count is bigger than it should be - 7A HEX instead of 2.
3
replies
Mark VI Technical Maintenance
Posted by Vyacheslavovich on 27 November, 2016 - 1:34 pm
Looking for companies that contract to perform GE Speedtronic Mark VI maintenance.
WattStopper HLINKCC and Old Lighting Integrator Panels
Posted by Bl2YAN on 26 November, 2016 - 11:30 am
Interfacing with an old Wattstopper HLINKCC and LI LCPs
3
replies
Moog Servo Calibration
Posted by thegroovyguru on 25 November, 2016 - 11:53 am
What is the procedure to calibrate Moog Servos for ICV/MCV valves?
DC Link of AC Sources
Posted by Kataeb on 25 November, 2016 - 4:06 am
Several AC supplies connected to one DC bus, then use one inverter to produce a common AC supply.
3
replies
120/277V Power Connect for Hot Water Tank
Posted by Don on 24 November, 2016 - 12:02 pm
Power connect for a 50 gallon hot water tank is 120 and 277 V
1
reply
Liquid Fuel Filter Thermal Relief Valve
Posted by Aptx4869 on 24 November, 2016 - 10:13 am
Thermal Relief Valve of the liquid fuel filter is passing liquid to FSD Tank.
2
replies
Synchronizing Magelis STU Time with Modicon PLC
Posted by Garym on 24 November, 2016 - 4:01 am
Trying to synchronize Magelis STU HMI time with a Modicon PLC using codesys and vijeo designer
Thrust Balancing
Posted by aneesh on 23 November, 2016 - 6:41 pm
How is the thrust balancing on steam-turbine done?
1
reply
Step 7 Simatic Programming Examples
Posted by Lotos on 22 November, 2016 - 2:25 pm
Beginner with Step7 Simatic would like to get program examples.
1
reply
Heat Units in Regards to Steam Tables
Posted by bulldog1 on 22 November, 2016 - 2:23 pm
Heat units for water and steam
7
replies
Upgraded Steam Turbine Produces Less Output
Posted by suryavine on 22 November, 2016 - 8:31 am
After upgrading steam turbine's output is 5 to 6 mw less than other steam turbine.
1
reply
Restoring Idos to New HDD
Posted by tech_guy on 21 November, 2016 - 2:46 pm
How do I restore Idos to a New HDD?
11
replies
Driving an Analog Output Module of Phoenix Contact with Foxboro IA System
Posted by zapotek67 on 21 November, 2016 - 8:33 am
A problem writing a value to Analog output module of phoenix contact using Modbus. Control system is Foxboro IA series V8.2. Modbus module is FBM230.
Stress Calculation Stabilizing SC4 Steam Turbine
Posted by anbesivam87 on 21 November, 2016 - 2:47 am
How the stress calculated for GE steam turbine
1
reply
No Connection RS485
Posted by UserError on 20 November, 2016 - 9:59 pm
No connection to from controller rs485 to PC.
2
replies
Possibility of Gas Turbine Driving Centrifugal Compressor Running When Compressor Trips
Posted by hany5757 on 19 November, 2016 - 5:18 am
Can gas turbine that driving a centrifugal compressor run while compressor trip?
2
replies
Changing from Bar(G) Pressure tx to Bar(A) Pressure tx
Posted by chillwin on 18 November, 2016 - 12:37 pm
Why change from Bar(G) pressure tx to Bar(A) pressure tx?
1
reply
440 V/60 Hz Motor on 380 V/60 Hz
Posted by sampath on 18 November, 2016 - 3:18 am
Using a 440 V/60 Hz motor on 380 V/60 Hz?
1
reply
Compactlogix PLC with HART
Posted by imti2356 on 17 November, 2016 - 10:25 pm
Connecting a Compactlogic PLC with a 1769sc-IF4IH HART module
1
reply
No Protection During SNL Risks
Posted by Clairlight on 17 November, 2016 - 7:13 pm
Risks associated with operating a Unit in speed no load and not connected to the grid without unit protection.
2
replies
MarkV Verfiy Current
Posted by gilariver on 17 November, 2016 - 5:48 pm
Verify current testing does not drive valve open.
9
replies
Error from Type K Extension vs Thermocouple Wire
Posted by JOAMON on 17 November, 2016 - 9:58 am
What would the magnitude of the error be from using just extension wire, not thermocouple wire?
3
replies
Turboprop/Turboshaft Control
Posted by KalmanR on 17 November, 2016 - 5:01 am
Looking for information on how modern turboprop/turboshaft control systems work?
Unit Trip on Grid Disturbance
Posted by lushan on 16 November, 2016 - 2:36 pm
During a grid disturbance the excitation tripped the turbine and generator.
False Start Drain
Posted by Aptx4869 on 16 November, 2016 - 1:36 pm
Idea behind the false start drain being only in the lower cans
5
replies
3-Way Purge Valve Passing Liquid to Liquid Fuel Nozzle
Posted by Aptx4869 on 16 November, 2016 - 10:13 am
3-way purge valve passing liquid to liquid fuel nozzle when while liquid fuel re-circulation is on.
2
replies
Questions on Lift Oil and Effect of Orifice Pressure
Posted by Aptx4869 on 16 November, 2016 - 9:42 am
Effect of the lockable flow control valve on lift pressure. Orifice effect on pressure and flow rate.
CC-link Communication
Posted by Madhumati on 16 November, 2016 - 6:25 am
Using CClink Slave NT and observing that I/O data bytes are getting shifted.
4
replies
Modbus RTU Polling Delay
Posted by Graham Pyatt on 16 November, 2016 - 5:06 am
Implementing Modbus RTU system (PLC to 4 slaves). Necessary to set the polling delay to 100mS. No indication of polling delay requirement in Modbus Protocol. Why a delay?
6
replies
Hitachi H-25 Gas Turbine Exhaust Spread and Wheel Space Temperature
Posted by MHB on 14 November, 2016 - 2:15 am
Facing high exhaust temperature spread on our Hitachi H-25 gas turbine since August. After HGPI in October high exhaust temperature spread observed again on machine start up.
7
replies
Gas turbine Speed VS Load
Posted by bmehda on 13 November, 2016 - 12:26 pm
Questions about load for a gas turbine running three centrifugal compressors in series
1
reply
Problems with Level Measurement Using Displacer Sensor
Posted by Shamsuddin on 12 November, 2016 - 2:50 am
Problem faced in level measurement using displacer sensor 249B with DLC3010, Process pressure 700 psi and Process temperature 80 Degree F to 100 Degree F.
8
replies
RS485 Challenge
Posted by tansie on 11 November, 2016 - 7:11 am
One RS485 device does not work when it is in the RS485 network with the other six devices, but it works when it is the only device on the network.
1
reply
Testing Overspeed Sensor
Posted by geeH on 11 November, 2016 - 6:31 am
Testing a Perkins 838/14 over speed sensor
2
replies
VCRC Diagnostic Trouble
Posted by Obiloko4 on 10 November, 2016 - 4:23 pm
There are certain alarms that are active and holding the unit from getting to Ready to Start
1
reply
Modbus TCP Connect with Website
Posted by Kasia on 10 November, 2016 - 3:59 pm
Can I connect from website with PLC S7-1200
9
replies
GE Frame 6b Ratchet Motor
Posted by davidmcc on 10 November, 2016 - 12:37 pm
What steps do we take after a ratchet pump failure?
South East DCS User Group Meeting
Posted by Joe Scott on 10 November, 2016 - 9:41 am
South East User Group DCS Meeting in Birmingham AL