Today is...
Thursday, July 27, 2017
Welcome to Control.com, the global online
community of automation professionals.
Featured Video...
Featured Video
EtherCAT with CTC’s master lets your multivendor network play well together...
Our Advertisers
Help keep our servers running...
Patronize our advertisers!
Visit our Post Archive
Forum Archive
48 Hrs Load Profile for GE 7EA Cool Down
Posted by lemo on 27 July, 2017 - 6:24 am
looking for 48 Hrs load profile table for GE 7EA machine cool down.
Implementing a MFT Tripping System
Posted by Sonicjoe on 27 July, 2017 - 5:34 am
Best method for implementing a tripping system of a boiler
1
reply
G60 Undervoltage Alarm
Posted by 10_ac on 26 July, 2017 - 8:00 am
We are working to understand a G60 Undervoltage Alarm about one second after closure of 52G and the unit tripped.
2
replies
Electric Generator
Posted by Anthony Desmond on 25 July, 2017 - 9:18 pm
Is it possible for a generator to fail due to sudden fluctuation in frequency or voltage in response to a large load change?
2
replies
Radar Type Level Transmitter
Posted by mahmudrezasumon08 on 25 July, 2017 - 8:56 am
Frequency impact on performance of non contact type radar level transmitter
Transformer Tap Changing Not Accordingly with Nameplate While Power Plant in Generation Mode
Posted by mrbmanik on 25 July, 2017 - 2:24 am
Suppose the grid voltage is 230KV but the tap position is 4 but it should be in 9 tap position. I've seen this on ABB, ILJIN & TAI KAI Transformers while I was working.
2
replies
Air Gap Between the Thermowell and Temperature Sensor
Posted by vijaycontrol on 25 July, 2017 - 12:27 am
What should be the minimum air gap b/w thermowell and sensor (RTD or Thermocouple)
2
replies
Simulation Test PLC
Posted by SMF on 24 July, 2017 - 10:58 pm
Looking for advice to select a PLC with free full feature software to closely mimic RS Logic 500.
8
replies
High Inlet Air Filter Differential Pressure During Rain
Posted by kh000 on 22 July, 2017 - 9:29 am
Frame 6B machine inlet air filters differential pressure increases significantly during rainy season causing trip.
5
replies
PLC as a Data Concentrator on RS485 Protocol
Posted by gautam619 on 22 July, 2017 - 8:42 am
I want to use a PLC as a data concentrator unit for my field devices which are communication on RS485 protocol.
3
replies
Master & Slave configuration between 2 PLC Twido TWDLCAE40DRF
Posted by kungfupanda on 22 July, 2017 - 3:25 am
I need solution for master & slave configuration between 2 PLC Twido TWDLCAE40DRF
Yorkshire F6 Manual
Posted by davetommo2000 on 22 July, 2017 - 2:14 am
Looking for a copy of the Yorkshire F6 HV Switchgear manual
Device Dropping from Segment of Foundation Fieldbus
Posted by allenstone on 20 July, 2017 - 11:27 am
Sometimes when we take out device from FF segment it gets detected as a commissioned device
Connecting WINCC to RTU560
Posted by keyhan haddad on 20 July, 2017 - 11:21 am
how to connect WINCC to RTU560
2
replies
Pressurized Nema 4x Enclosure
Posted by agulzar on 20 July, 2017 - 8:56 am
Certification for a pressurized Nema 4x Enclosure for hazardous location
2
replies
Unit Trip After 28VDC Loss on MKVIE
Posted by Chemsouhd on 20 July, 2017 - 7:01 am
Why we're tripped after a failure of 28 vdc power supply network, due to a PDOA fail.
IS215UCVEH2A Battery Discharging
Posted by Khaild on 19 July, 2017 - 11:50 pm
Mark VI IS215UCVEH2A battery is discharging
2
replies
Designing Power Meter Network
Posted by IZak35 on 19 July, 2017 - 10:47 am
Looking for information about programming and troubleshooting experiences with Modbus power meters.
1
reply
GE Gas Turbine Thermal Insulation
Posted by ALP on 19 July, 2017 - 5:31 am
Thermal insulation.
Lifetime of Rotor at Gas Turbine
Posted by mrezaf on 19 July, 2017 - 2:43 am
What is the lifetime of rotor at gas turbine type BBC-GT9 in EOH?
Electronic Circuit Protection
Posted by mahmudrezasumon08 on 19 July, 2017 - 1:48 am
Surge/Transient/Lightening protection of transmitter.
7
replies
Two 4-20 mA Signals Through One Pair
Posted by maxl1991 on 18 July, 2017 - 7:16 am
Two LIT signals (4-20mA) sharing 1 pair through a multicore cable.
3
replies
Turbine Bearings Sealing Air Supply Transfer Valve (VA-14)
Posted by frame9e_operator on 18 July, 2017 - 5:13 am
The function of VA14, Turbine bearings sealing air supply transfer valve in Frame 9e
1
reply
Level Seal Legs
Posted by TekNyc on 17 July, 2017 - 9:09 pm
What to consider when choosing wet seal legs in DPs
I and C Construction Estimation
Posted by centaur_08 on 17 July, 2017 - 4:44 pm
Looking for I&C Construction Estimation reference material
Welding the Split-Line of GT Wrapper Casing
Posted by squallgt22 on 16 July, 2017 - 9:32 pm
The effect of welding the split-line of GT wrapper casing
9
replies
Control Temperature Mode
Posted by mohame31 on 16 July, 2017 - 11:56 am
Gas turbine MS5002B (with Mark VIe control) frequently works in control temperature mode.
1
reply
GE Frame 9E
Posted by nileshkumar on 16 July, 2017 - 1:23 am
if two adjacent TTXD fail then will the machine trip?
2
replies
Bentley Nevada 2300 Monitor
Posted by Bentley Nevada 2300 on 15 July, 2017 - 8:17 am
How does a Bentley Nevada 2300 Monitor differ with 3500?
1
reply
Does Somebody Know What This Communication Processor Is For?
Posted by Ian on 14 July, 2017 - 4:13 pm
Found a Siemens PCI communication processor in an old computer and I don't know what it is
LM6000 Power Loss
Posted by goku20 on 14 July, 2017 - 2:02 pm
LM6000 looses power while opening VBV valve
1
reply
Components b/w Fiber Optic Converter and DCS
Posted by Abarna on 14 July, 2017 - 8:17 am
Components to be deployed using a fiber optic system to connect VFD to PLC
Diesel Engines Performance
Posted by sangeetha_ma on 14 July, 2017 - 4:17 am
Diesel Engines Performance
Cryptography
Posted by rkissac85 on 13 July, 2017 - 8:04 pm
Cryptography and digital signatures in SCADA Networks
1
reply
Analogue Input & High Level Analogue Input
Posted by ammar_yasir on 13 July, 2017 - 12:50 pm
Difference between analog input and high level analog input
1
reply
Battery Inside the MARK VIe System
Posted by Chiranjeevi on 13 July, 2017 - 11:05 am
Why are there no batteries inside the MARK VIe system controller?
Small Gas Flow Explosion Proof Sampling Pump
Posted by wangzhichao on 13 July, 2017 - 10:13 am
Looking for a small gas flow explosion proof sampling pump
1
reply
Appropriate Training for Automation Career
Posted by jozef on 13 July, 2017 - 4:24 am
What training I will have to undergo before I could undertake training in Automation like PLC, SCADA or HMI?
Installing Honeywell Experion PKS r210 on a Virtual Machine
Posted by TaharThr on 13 July, 2017 - 1:32 am
I want to install Honeywell Experion PKS r210 on a virtual machine
4
replies
MOV in MARK VIe System
Posted by Chiranjeevi on 12 July, 2017 - 8:46 am
How variastor works in MARK VIe system
1
reply
Diaphram Seal and Manifold
Posted by mahmudrezasumon08 on 12 July, 2017 - 7:03 am
Can diaphragm seal and manifold work together?
Invertomatic-Victron UPS Keeps Shutting Down
Posted by uzoma cyril on 12 July, 2017 - 6:07 am
Invertomatic-Victron (IMV) UPS keeps shutting down even when power is on.
1
reply
Control Oil and Hydraulic Oil in Gas Turbines
Posted by Abdooo on 12 July, 2017 - 12:16 am
Difference between control oil and hydraulic oil in gas turbine
2
replies
GE Gas Turbine Major Inspection (MI) Scope
Posted by gtengineer on 11 July, 2017 - 3:52 pm
How to optimize the scope of Major Inspection of Industrial Gas Turbines.
3
replies
Themocouple Wire
Posted by tankiimiao on 9 July, 2017 - 11:21 pm
The application of thermocouple wire
1
reply
Maximum Gas Pressure Inlet for Frame 9E GTG
Posted by abdi on 9 July, 2017 - 3:07 am
How much we can increase the pressure inlet for servo valve
Sound Speeds of Oil for Ultrasonic Flowmeter
Posted by Sarath on 8 July, 2017 - 9:47 am
Looking for the sound speeds of marine fuel oils like HFO, LGO, Diesel
1
reply
Fuel Gas Mass Flow Measurement
Posted by instrumentationautomation on 8 July, 2017 - 4:12 am
Reading difference between Totalizator on HMI of 96FM-1 Gas fuel mass flow transmitter and per second (LBS/S) of gas flow Signal (fqguv_TH) reading taken from software.
1
reply
Main Hydraulic Oil Pressure Surge Observed with IGV LVDT Trouble
Posted by barindra75 on 7 July, 2017 - 10:46 pm
GE make frame-V gas turbine. Main hydraulic oil pressure fluctuation observed along with IGV LVDT feedback trouble.
2
replies
APM Partial Failure
Posted by ammar_yasir on 7 July, 2017 - 12:59 pm
On DCS TDC 3000 Honeywell APM card failure status
Multiple Connect Request from Same MBTCP Master
Posted by vigneshr on 6 July, 2017 - 5:52 am
Can same master/Client establish multiple Modbus TCP connections to same slave/server???
TURBINES model GE 6FA 77 mw
Posted by fbancoff on 5 July, 2017 - 3:35 am
Doing my thesis on TURBINES model GE 6FA 77 mw
Thrust bearing Temperature
Posted by Kwaku on 4 July, 2017 - 7:50 pm
GE steam turbine generator keeps having thrust bearing drain active alarm
1
reply
High Vibration on Bearing
Posted by Ameer on 4 July, 2017 - 2:09 am
GE unit GT13E2 has high vibration on Bearing No. 1
3
replies
MARK V TCPS Issue
Posted by 6bturbinetech on 3 July, 2017 - 9:21 am
Diagnostic alarm MARKV-TCEA
OP7 Operating Panel
Posted by Rajendra on 3 July, 2017 - 3:14 am
OP7 Operating Panel shows blank screen and does not go into programing mode
Communicating from a PVPLUS 600 to MicroLogix 1200
Posted by adob2100 on 2 July, 2017 - 6:24 pm
Setting up communications between a PVPLUS 600 to micrologix 1200
Safety Instrumented System
Posted by eng_safi on 2 July, 2017 - 9:25 am
Application of safety instrumented system for emergency shut down
1
reply
Using Apple I-pad as HMI For a PLC Interface
Posted by efdkumar on 2 July, 2017 - 9:24 am
Is there a software interface that uses I-pad HMI for any PLC with wired interface to control the automation?
1
reply
Change in Excitation at Base Load
Posted by umesh on 2 July, 2017 - 5:47 am
What will happen if I change the base load of our GE frame 5 machines with Mark V control. They are not connected to the grid.
4
replies
MarkVie Trends
Posted by Belal_Mahdi on 2 July, 2017 - 2:42 am
Creating a record of signals that records MarkVie trends that lead to a trip.
1
reply
Response Dependent Gain Calculation
Posted by Wasi on 1 July, 2017 - 11:34 am
Performing a response dependent velocity feedback control
1
reply
Inverter with Lower Voltage Motor
Posted by Richyboy on 1 July, 2017 - 7:58 am
Using a 460v Inverter with a 400v motor
Protection Systems of Twin-Shaft Gas Turbine
Posted by Hadi on 1 July, 2017 - 12:57 am
What is the reason for the constraints between first rotor speed and second rotor as protection algorithm in twin shaft gas turbine?
13
replies
Exhaust Temp Spread Trip after Selecting IGV Temp Match
Posted by Aptx4869 on 30 June, 2017 - 9:59 pm
The GT trips on high exhaust temperature spread after selecting IGV Temp Matching (transfer from SC into CC)
3
replies
LVDT Feed Back Problem
Posted by shyam on 30 June, 2017 - 1:48 pm
Frame-V gas turbine machine, Mark-V control system LVDT feed back fluctuation issue.
Bradley Automated Machine BOQ template
Posted by Alonge on 30 June, 2017 - 6:49 am
Can someone help with a BOQ template that clearly show replaceable components of Allen Bradley Automation machine ?
2
replies
What Is the First Steam Blow Test in Commissioning
Posted by Saul on 29 June, 2017 - 7:18 pm
Power plant construction and commissioning, what is the first steam blow?
Significance of Alarm DYN2 PART LOAD LIMIT in V94.3 .
Posted by Power13031978 on 29 June, 2017 - 4:52 pm
Receiving alarm DYN2 PART LOAD LIMIT in Siemens V94.3 machine
1
reply
Gas Turbine Generator Load Tests
Posted by skbarc on 29 June, 2017 - 8:18 am
Conducting load tests for gas turbine generator
1
reply
Particle Measurment for Oil
Posted by Maj on 29 June, 2017 - 8:18 am
Low cost sensor for oil condition monitor for hydraulic systems.
1
reply
Sending Video and Tank Level Signal 1 Mile
Posted by Glenikins on 29 June, 2017 - 4:48 am
Transmission of video feeds and a tank level signal without cables
2
replies
Humidity Sensor 96RH-1 in G.E. 7FA Gas Turbine with Mark V Control
Posted by larriatavoladora on 28 June, 2017 - 2:14 pm
Need help to locate humidity sensor 96RH-1 in a G.E. 7FA gas turbine with Mark V control
1
reply
Devicenet Communication
Posted by Madhumati on 28 June, 2017 - 4:09 am
Details required for Devicenet communication
3
replies
Flame Eye/Detector in Gas Turbine
Posted by Aaristokrat on 28 June, 2017 - 3:31 am
What kind of Flame eye/Flame Detector is used in a gas turbine furnace?
Wonderware SCADA Data Update in Runtime
Posted by kk on 27 June, 2017 - 8:06 am
Wonderware Intouch 8.0 not updating tags data values on HMI Page but trends data getting updated. Running as a server it's also not providing any data updates to connected Intouch Clients
1
reply
Effect of NOx on Combustion in Gas Turbines
Posted by Malcolm D. Abel-Tariah on 27 June, 2017 - 5:30 am
why is it important to eliminate NOx in a gas turbine?
Siemens S5 - Yokogawa Centum Communication
Posted by Liviu on 27 June, 2017 - 2:16 am
We are trying to establish communication between a Siemens S5 PLC (150A) and Yokogawa Centum DCS
1
reply
MaxDNA DCS History Report
Posted by Pankajkumargupta on 25 June, 2017 - 4:01 am
Exporting MaxDNA DCS history report
1
reply
SOS Servilink OPC Server 4.10
Posted by Mario on 24 June, 2017 - 3:59 pm
Communication Issue_ Cimplicity Black Screen_SOS Servilink OPC Server_Woodward Micronet Plus
3
replies
Fuel Change Over Mark Vie GE Frame 9E
Posted by transporter84 on 24 June, 2017 - 9:01 am
How is fuel changeover happening in 9E Gas turbines?
Data Gathering from Three DCS Systems
Posted by momad on 24 June, 2017 - 12:11 am
How to reading Data from 3 individual DCS systems?
TDC 3000 Honeywell Schematic Symbol and Data Point Configuration
Posted by ammar_yasir on 23 June, 2017 - 11:59 pm
How to give address or connect symbol to its point in APM after configuring in TDC 3000 Honeywell?
1
reply
Thermal expansion of GE Frame 9E
Posted by squallgt22 on 23 June, 2017 - 9:43 pm
Would like an explanation of thermal expansion written on the generator manual.
1
reply
PLC Register Meaning
Posted by SMF on 23 June, 2017 - 2:11 pm
I need help understanding a line of code in a register.
Transformer PRV Operated with Differential
Posted by speed_tronic on 23 June, 2017 - 8:53 am
A 38MVA 20/11/11 KV transformer's PRV operated along with differential protection. But fault happened outside transformer. How PRV can operate for an earth fault outside transformer?
Emerson DCS
Posted by Heba on 23 June, 2017 - 5:53 am
Emerson DeltaV HMI Hardware communications
Redundant AB PLC5 - Switchover by Logic
Posted by GA1978 on 23 June, 2017 - 4:20 am
Forcing switchover of AB redundant PLC5 by logic.
7
replies
Mark V <C> Additional Analog Inputs
Posted by gilariver on 22 June, 2017 - 10:09 am
Adding additional IO on the optional <C> TCCB location 3 results in no results.
1
reply
Gas Turbine Compressor Efficiency GE Frame 5
Posted by Ilechie Chiedozie on 22 June, 2017 - 8:20 am
Water washing for GE Frame 5 gas turbines
Carel HMI and c.pCO PLC ModBus Communication
Posted by Yasashii on 22 June, 2017 - 7:21 am
Problems setting up communication in the software
A New Alternative to Load Balancer in Maintaining Internet Availability
Posted by vayrence92 on 21 June, 2017 - 10:24 pm
I am looking for an alternative to replace load balancer that is connected to two modems for the purpose of reducing downtime of the internet service.
Alternative to Load Balancer in Maintaining Internet Availability
Posted by vayrence92 on 21 June, 2017 - 10:00 pm
Looking for an alternative to replace load balancer that is connected to two modems for the purpose of reducing downtime of the internet service.
5
replies
Modicon CPU Fault
Posted by iwoiwo on 20 June, 2017 - 6:05 pm
We have a Modicon TSX Premium PLC and currently has a "Low Battary Fault Blinking" and PLC cannot run
3
replies
Modicon X80 NOC to Allen Bradley 1756A7B
Posted by RichPLC on 20 June, 2017 - 12:26 pm
Does anyone have an example of how to set up communications between a Modicon X80 NOC and AB 1756-L73 ControlLogix 5570 using Ethernet/IP?
2
replies
Data Configurations
Posted by ammar_yasir on 20 June, 2017 - 12:18 pm
APM directory configurations
1
reply
Pitot Tube
Posted by Elmira on 20 June, 2017 - 4:51 am
End support for pitot tube
1
reply
Modbus to Connect Inverter to PC
Posted by benjamint76 on 19 June, 2017 - 11:30 am
I would like to learn Modbus RTU in order to connect an inverter to a PC for monitoring the status of the inverter.
3
replies
Modbus Connection to Barcode Reader
Posted by macser on 19 June, 2017 - 7:27 am
Looking for a Modbus connection between Modbus device, laptop and barcode reader
Reading Data from 1756-OF8H HART I/O Module
Posted by Rafa1976 on 18 June, 2017 - 11:41 am
Reading SVI-II positioner masoneilan data via 1756-OF8H I/O module