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5
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Blockage in Impulse Lines/ Filling Glycol
Posted by Nasser on 30 October, 2014 - 3:23 am
What is the best practice when you have blockage in impulse lines for flow transmitter how can clear the blockage? what is the best equipment to fill glycol in level dp cell in both H & L sides?
2
replies
Radar Level Transmitter in Fiber Board Factory
Posted by helen on 29 October, 2014 - 11:06 pm
Is radar level transmitter suitable for fiber board factory?
3
replies
Thermal Efficiency Improvement of a Combined Cycle Power Plant
Posted by Sreesankar J on 29 October, 2014 - 3:18 am
Thermal Efficiency Improvement of a Combined cycle power plant by absorbing excess Flue gas temperature without altering any design parameters.
2
replies
Grounding Current Transformers
Posted by gautam on 29 October, 2014 - 1:17 am
Need for grounding of secondary terminal of current transformer.
3
replies
Why IRP Used for Interface Between DCS and MCC
Posted by VINNY on 29 October, 2014 - 12:50 am
Why is an IRP panel is used between DCS and MCC?
Cathodic Protection DC Cable and Instrument Cable in Same Tray
Posted by Josh on 28 October, 2014 - 11:58 pm
The consequence to run cathodic protection DC cable and instrument cable (most 24 VDC) cable in same cable tray.
1
reply
Useful Instruments for Locating Electrical Faults
Posted by John Correa on 28 October, 2014 - 10:55 pm
Are there some useful technician instruments for finding faults in electrical equipment
7
replies
Issue with a Siemens 331 AI card
Posted by Chris on 28 October, 2014 - 8:31 pm
Experiencing an issue with an output on an AI card. Have a valid analog signal from the field device to the remote I/O PLC, but nothing from there to the control PLC.
Speaker Strobe for Class 2 Div 1 Rated Area
Posted by Bob on 28 October, 2014 - 10:31 am
Explosion proof/dust proof equipment needs
Control Networks
Posted by Haseeb on 27 October, 2014 - 5:50 am
Feasibility of avionics network AFDX in industrial automation solutions where networks like EtherCat is used.
4
replies
Grounding Problem in Siemens DCS
Posted by RAJESH on 26 October, 2014 - 4:50 pm
In DCS panel the resistance measured between power earth and signal earth vary from 24 ohm to 160 ohm in different panels.
4
replies
MODBUS Radio Network
Posted by JIMMY SALDIVIAS on 26 October, 2014 - 10:29 am
How many radio receivers do I need in a MODBUS EIA-485 network using VERIS H8830?
2
replies
Electric Motor Driven Actuator
Posted by Qasem on 26 October, 2014 - 8:10 am
Actuated valve in remote location where no instrument air availability.
5
replies
Sending a Signal from MKV to Emerson DCS Via MODBUS
Posted by mohanad on 26 October, 2014 - 1:48 am
I want to send a signal via MODBUS to Emerson DCS
8
replies
Steam turbine shutdown
Posted by C. Reihl on 25 October, 2014 - 7:52 pm
What is the proper sequence for shutting down a combined cycle plant? Gas turbine or Steam Turbine first?
1
reply
Analog Input Cards for Programmable Logic Controller.
Posted by Mr. Samar on 25 October, 2014 - 2:53 am
PLC card - High Channel density drawbacks.
GE2000 Drive Fault
Posted by Jess on 24 October, 2014 - 9:06 pm
GE2000 Drive Aux Fault 4-Generic Pointable Fault.
1
reply
Thoughts on High Performance HMI
Posted by ih on 24 October, 2014 - 7:56 pm
How to implement the ideas in the book "The High Performance HMI" without meddling in code layer?
Communication Issue Between CRMs_SVR and BOP Controller
Posted by Controm on 24 October, 2014 - 7:23 pm
At CRM1/2_SVR we read DCS data in Toolbox ST but not in Cimplicity. What can be the cause?
3
replies
Flow Measurement Using Load Cells
Posted by Juan Pardo on 24 October, 2014 - 5:20 pm
Measuring the flow coming out of a vessel using only a load cell to control a valve.
2
replies
Improving Polling for Communication Protocol
Posted by SC on 24 October, 2014 - 3:00 am
Polling method efficiency.
4
replies
Modicon and SoMachine Advice Needed
Posted by Curt Wuollet on 23 October, 2014 - 3:21 pm
Need to find a reasonable means of getting to know SoMachine.
2
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Using a Linear Actuator
Posted by richtad on 23 October, 2014 - 9:24 am
Using a 12v linear actuator to raise and lower my router mounted in a router table
1
reply
GE MS-6Fa Operations
Posted by Jotang84 on 22 October, 2014 - 8:10 pm
How does generator control modes (Voltage,PF and Var) works and affects generator operations.
Standard Recipes Designation ID
Posted by Gustavo Borda on 22 October, 2014 - 4:28 pm
Is there any rule to designate a process recipes (IDs)?
10
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Mark V A6 state
Posted by G.Rajesh on 22 October, 2014 - 12:33 pm
Mark V <C> at A6 state after modify and download IO.ASS and IOCFG
2
replies
Control Valve Fail Action
Posted by xyz on 21 October, 2014 - 6:28 pm
control valve fail action discussion
3
replies
Programming for Modicon Bridge/Mux BM85S485
Posted by Ben Herston on 21 October, 2014 - 5:54 pm
I need assistance in programming a Modicon Bridge/Mux BM85S485. The product is obsolete, and Schneider no longer provides technical support.
3
replies
Convert RMS voltage to Analog signal + Per Unit
Posted by Phantush on 21 October, 2014 - 3:28 pm
Convert RMS voltage to Analog signal + Per Unit
2
replies
Experiences Using Flow Meters From Flow Technology
Posted by Rich on 21 October, 2014 - 3:28 pm
Looking for feedback on flow meters and flow computers from Flow Technology Inc
Bailey ABB IMMFP01 - 02 NVRAM Replacement
Posted by Jack P on 21 October, 2014 - 11:20 am
Has anyone successfully replaced the SVRAM chips in the Bailey Processor modules?
Yokogawa Batch Programming Download Error
Posted by ANWESHA on 21 October, 2014 - 7:56 am
Error while trying to download a recipe on the batch process of yokogawa centum cs3000 software. Error says - "BATCH AUTO DOWNLOAD ERROR Gr.01 01-0008 No.00 Code 5427".
2
replies
Converting a HoneyWell PLC Program
Posted by marinus on 21 October, 2014 - 5:58 am
Convert a PLC Program from HoneyWell to Schneider Electric
1
reply
Electrical Rotating Equipment Training
Posted by Ajiit on 20 October, 2014 - 1:39 pm
Where or how do I find or start training to become a technician for turbines, generators, etc.?
2
replies
Allen-Bradley Ethernet to Fanuc CNC
Posted by David on 20 October, 2014 - 11:26 am
Communicating to Fanuc CNC controller from Allen-Bradley Compact Logix???
4
replies
RS485 to Analog Input Conversion
Posted by cherrypi on 20 October, 2014 - 3:38 am
Is it possible to convert (multiple) readings being transmitted through RS-485 communication to analog signals?
15
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Gas Turbine control - Hardware Part Trip of L4
Posted by Neo on 19 October, 2014 - 8:02 am
When Hardware causes the trip of L4
Map of Industrial Control Systems on the Internet
Posted by Jrgen Rose on 19 October, 2014 - 7:38 am
Power Plants on the Internet? Really? The latest research that generated the map is being presented at the 4SICS conference in Stockholm.
Calibration Pressure
Posted by tornatech on 18 October, 2014 - 2:36 am
i need to make setting to pressure in jockey pump controller
1
reply
Capacitor Fuse Blowing
Posted by charz on 18 October, 2014 - 2:35 am
What is the current flowing when one fuse blows in a three phase star connected capacitor bank?
8
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High pressure turbine bypass system
Posted by Zouhen on 17 October, 2014 - 5:19 pm
During Turbine Low vacuum Trip what is the position of high pressure turbine bypass control valve
12
replies
Transformer Differential Relay Protection during Open-Phase
Posted by Amrit Pandey on 17 October, 2014 - 4:55 pm
Transformer Differential Relay Protection during Open-Phase. Possibility of the relay to trip during line to ground fault or open conductor outside the zone of the differential scheme?
2
replies
SLC500 Communications with Unitronics PLC
Posted by Rodger on 17 October, 2014 - 1:38 am
Setting up communications between a Unitronics PLC and SLC 500 PLC
5
replies
Changing SRV Valve setting
Posted by 8784597 on 16 October, 2014 - 4:28 pm
I need help to change the set point for SRV open position.
Rotary Die Cutter Help
Posted by Jeremy Ross on 16 October, 2014 - 2:25 pm
Looking for help on an application.
5
replies
Orifice plate tapping -Flange or D, D/2
Posted by instruguy on 16 October, 2014 - 2:19 pm
Which type of orifice tapping - Flange or D, D/2 works best for larger pipes?
1
reply
No Communication with GE Fanuc 90-30
Posted by angel rangel on 16 October, 2014 - 9:17 am
does anybody have ever had troubles with communications with GE PLC Fanuc 90-30?
2
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Westinghouse W251B11 wet compression
Posted by Napster225 on 16 October, 2014 - 7:55 am
Power augmentation by direct wet compression on W251B11 gas turbines
7
replies
How Strictly Should the MODBUS Addressing and Data Models Be Followed?
Posted by MikeAtCalidus on 16 October, 2014 - 5:50 am
How flexible can the Addressing and Data Models be with regard to the width and alignment of objects accessed through read/write register functions?
4
replies
Steam Turbine MSV/GV Servo Valve
Posted by zouhen on 16 October, 2014 - 12:44 am
Turbine MSV Main stop valve and GV governing servo valve were damaged and lose functionality in the same period.
6
replies
Connecting an Analog I/O Module to a Delta PLC
Posted by Cau on 15 October, 2014 - 4:10 pm
Having problems connecting an analog I/O module to my Delta PLC
4
replies
HMI w/ movable icons
Posted by Steven Smith on 15 October, 2014 - 2:15 pm
Looking for an HMI solution that allows users to drag icons.
2
replies
Second Stage Nozzle Control Failure
Posted by WAC on 15 October, 2014 - 6:43 am
Having nozzle control problem after replacing
Wincc 7.2 Connection to Database
Posted by Stavros on 15 October, 2014 - 3:13 am
Is there a C-script or VB-script for connecting to Oracle database
Calibration problem with ABB TZIDC positioner
Posted by Ankur Gajjar on 15 October, 2014 - 2:51 am
Auto adjust of ABB TZIDC positioner stops in calibration mode with "timeout" error!
1
reply
Maximun nodes of Modbus
Posted by Kevin Fan on 14 October, 2014 - 10:18 pm
What are the maximum nodes and cycle time of Modbus TCP and Modbus RTU on RS485?
2
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Interface Level Measurement
Posted by Bong on 14 October, 2014 - 9:16 pm
Measuring interface level for drum boots level
1
reply
S7 Communication with Libnodave Lib
Posted by Krishna on 14 October, 2014 - 9:30 am
Looking for a way to Access data from PLC - CPU S7 300 series DB to Our own VB.Net Application through libnodave Lib.
4
replies
PLC Data Access Using OPC
Posted by Rodney Cox on 14 October, 2014 - 3:44 am
I need help finding resources to help me develop OPC data access to record data to my database. I'm an information systems student new to PLCs and cannot find the necessary resources.
5
replies
Reinstallation of an Orifice Plate in a Pipeline.
Posted by Arafath Ali on 13 October, 2014 - 2:20 pm
How to reinstall an orifice plate in a pipeline after the information regarding the HP and LP side is lost?
4
replies
ISA acquires automation.com
Posted by Bob Peterson on 13 October, 2014 - 2:01 pm
What do others think about ISA acquiring Automation.com?
1
reply
Importance of RF in Automation engineering
Posted by Rushi Shroff on 13 October, 2014 - 12:58 pm
Should I study RF SYSTEM DESIGN FOR WIRELESS COMMUNICATIONS in depth for Industrial Automation?
1
reply
9FA and DLN 2.6+ Combustors
Posted by Jim Crown on 13 October, 2014 - 12:12 pm
Looking for information about dual fuel service for DLN combustors
5
replies
How to Calibrate the Gas Turbine Vibration Sensors
Posted by Any on 13 October, 2014 - 6:29 am
How to calibrate the vibration sensors after removing them before major gas turbine overhaul
3
replies
Modbus TCP / IP Query
Posted by PLC_EIC_Bloke on 12 October, 2014 - 8:07 pm
Setting up Modbus TCP/IP with a single slave and no unit ID
2
replies
Line Monitoring
Posted by DT99 on 12 October, 2014 - 4:55 pm
Looking for some basic information about line monitoring
3
replies
Gas Turbine CEMS Operating Parameters
Posted by vignesh on 12 October, 2014 - 5:46 am
Operating parameters for monitoring gas emissions for gas turbine
2
replies
Changing Careers from Gas Turbine to Combined Cycle Operator
Posted by vignesh on 12 October, 2014 - 5:34 am
How do I change my career from a gas turbine operator to a combined cycle operator?
2
replies
Push In Jumpers for Terminal Blocks
Posted by geoff on 11 October, 2014 - 12:20 pm
Do push-In terminal block jumpers hold up under vibration?
1
reply
Rotating 65fp Fuel Servo
Posted by mohanad on 11 October, 2014 - 7:59 am
Problem with liquid fuel valve opening while unit is running on gas fuel
6
replies
Pump Running Indication on Control Circuit
Posted by Stumped on 10 October, 2014 - 4:19 pm
How can I properly wire my pump panel to show that when the pump is actually running I get an indicator on my PLC/HMI.
Set Point for Changing Hydraulic Oil Filter
Posted by abdi on 10 October, 2014 - 6:00 am
Difference between catalog recommendation for changing hydraulic oil filter and control system switch
3
replies
Measuring Principle of Field Instruments
Posted by ahamednivas on 10 October, 2014 - 5:58 am
Regarding the selection of Instruments and its measuring principle
Purge Pressure
Posted by abdi on 10 October, 2014 - 2:15 am
low purge pressure for liquid fuel nozzle
1
reply
Tubing and Piping
Posted by Gary on 9 October, 2014 - 2:28 pm
Any differences about the size standard for piping and Tubing?
2
replies
Information about Allen Bradley PLC SLC Adapter module
Posted by zain on 9 October, 2014 - 1:37 pm
Meaning of error L31 and E51 on Allen Bradley PLC SLC Remote Adapter I/O module ASB
Re: Modbus RTU with Star Topology
Posted by Curt Wuollet on 8 October, 2014 - 11:23 pm
Does the Modbus RTU work with a star topology?
15
replies
DCS Control of Power Plants
Posted by George on 8 October, 2014 - 10:24 pm
Scope of DCS programming in a Power Plant
5
replies
Reverse Power Problems
Posted by Martin Crummy on 8 October, 2014 - 3:08 pm
Reverse power of Engine 1 when syncing in MSB bus-tie
3
replies
Oil from Exciter
Posted by karim elrawy on 8 October, 2014 - 11:28 am
We have oil leaks from the exciter and we drained it but we don't know what this problem is
1
reply
Main Lube Oil Bearing Header Pressure Low on GE F9
Posted by humble3 on 8 October, 2014 - 10:17 am
Lately we discovered that in one of our frame 9 GT, the bearing header pressure gives different value for the different pumps
Gas Turbine Momentary Torque / Short Circuit Torque (F-5001)
Posted by Shilton on 8 October, 2014 - 5:11 am
An estimate or rule of thumb for the momentary torque / short circuit torque at the F-5 Compressor Rotor Forward Stub shaft
1
reply
Modbus RTU with Star Topology
Posted by JulienN on 8 October, 2014 - 3:42 am
Does the Modbus RTU work with a star topology?
1
reply
Retrieving data from Instep eDNA database
Posted by Tom Stone on 7 October, 2014 - 5:45 pm
Confused by timestamps returned from eDNA for hourly and minute level data.
Niagara report
Posted by arun on 7 October, 2014 - 8:41 am
How to have an excel report with Niagara?
5
replies
Gas Turbine First Fire
Posted by George on 7 October, 2014 - 6:49 am
Pre-startup activities and sequence for first fire of GT.
Liquid Fuel
Posted by mouhanad on 7 October, 2014 - 6:44 am
Liquid fuel valve is very little opened while the unit is working on gas
Modbus TCP/IP
Posted by Mikey on 7 October, 2014 - 5:41 am
Developing Modbus TCP/IP on RX63NB board with DP83620 as PHY layer interface.
1
reply
Avoiding Overspeed by Loss of the Full Load
Posted by Erwin on 7 October, 2014 - 5:28 am
Avoiding overspeed by loss of the full load.
15
replies
PLCs for Beginners
Posted by Mr. James on 6 October, 2014 - 2:37 am
I need to learn how to operate and use PLCs
Simode with frequency drive
Posted by Ster_pan on 5 October, 2014 - 8:40 am
Operation of a frequency converter with a simoceode unit upstream
Generator autosychroniser
Posted by Flowing Waterfalls on 5 October, 2014 - 6:18 am
Can anyone provide details Siemens 7VE2 electronic paralleling device
3
replies
Startup Gas Turbine
Posted by GE mark vi on 4 October, 2014 - 6:24 am
Is there is any provision for startup gas turbine with external pushbutton (aux.PB)
1
reply
Degassing a Generator
Posted by Ervin Galera on 4 October, 2014 - 6:10 am
what would be the preferred method
1
reply
Adaptive Resonance Theorem
Posted by Kun Nguyen on 3 October, 2014 - 10:30 pm
Application of Adaptive Resonance Theorem (ART) in fault detection of plant instrumentation?
1
reply
Panelview 300 Micro
Posted by Chris on 3 October, 2014 - 4:23 pm
How to take apart a panelview 300 mirco 2711-M3A18L1
3
replies
Fast Alarms Between PLC and HMI
Posted by EG on 3 October, 2014 - 3:19 am
How can we make an hmi operator panel detect fast alarms?
1
reply
Flow measurement
Posted by praviv on 3 October, 2014 - 1:20 am
disturbance in flow measurement
8
replies
Auto-Synchronizing GE Frame 7EA
Posted by Bill on 3 October, 2014 - 12:04 am
What is auto-synch frequency window for GE Frame 7EA
3
replies
HMI Communication with SIEMENS PLC
Posted by Ali Shakarami on 2 October, 2014 - 10:23 pm
Sending the signal value from GE HMI(CIMPLICITY) to other controler over MODBUS RTU