Posted by SC on 24 October, 2014 - 3:00 amImproving Polling for Communication Protocol
Polling method efficiency.
Posted by Curt Wuollet on 23 October, 2014 - 3:21 pmModicon and SoMachine Advice Needed
Need to find a reasonable means of getting to know SoMachine.
Posted by richtad on 23 October, 2014 - 9:24 amUsing a Linear Actuator
Using a 12v linear actuator to raise and lower my router mounted in a router table
Posted by Jotang84 on 22 October, 2014 - 8:10 pmGE MS-6Fa Operations
How does generator control modes (Voltage,PF and Var) works and affects generator operations.
Posted by Gustavo Borda on 22 October, 2014 - 4:28 pmStandard Recipes Designation ID
Is there any rule to designate a process recipes (IDs)?
Posted by G.Rajesh on 22 October, 2014 - 12:33 pmMark V A6 state
Mark V <C> at A6 state after modify and download IO.ASS and IOCFG
Posted by xyz on 21 October, 2014 - 6:28 pmControl Valve Fail Action
control valve fail action discussion
Posted by Ben Herston on 21 October, 2014 - 5:54 pmProgramming for Modicon Bridge/Mux BM85S485
I need assistance in programming a Modicon Bridge/Mux BM85S485. The product is obsolete, and Schneider no longer provides technical support.
Posted by Phantush on 21 October, 2014 - 3:28 pmConvert RMS voltage to Analog signal + Per Unit
Convert RMS voltage to Analog signal + Per Unit
Posted by Rich on 21 October, 2014 - 3:28 pmExperiences Using Flow Meters From Flow Technology
Looking for feedback on flow meters and flow computers from Flow Technology Inc
Posted by Jack P on 21 October, 2014 - 11:20 amBailey ABB IMMFP01 - 02 NVRAM Replacement
Has anyone successfully replaced the SVRAM chips in the Bailey Processor modules?
Posted by ANWESHA on 21 October, 2014 - 7:56 amYokogawa Batch Programming Download Error
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".
Posted by marinus on 21 October, 2014 - 5:58 amConverting a HoneyWell PLC Program
Convert a PLC Program from HoneyWell to Schneider Electric
Posted by Ajiit on 20 October, 2014 - 1:39 pmElectrical Rotating Equipment Training
Where or how do I find or start training to become a technician for turbines, generators, etc.?
Posted by David on 20 October, 2014 - 11:26 amAllen-Bradley Ethernet to Fanuc CNC
Communicating to Fanuc CNC controller from Allen-Bradley Compact Logix???
Posted by cherrypi on 20 October, 2014 - 3:38 amRS485 to Analog Input Conversion
Is it possible to convert (multiple) readings being transmitted through RS-485 communication to analog signals?
Posted by Neo on 19 October, 2014 - 8:02 amGas Turbine control - Hardware Part Trip of L4
When Hardware causes the trip of L4
Posted by Jürgen Rose on 19 October, 2014 - 7:38 amMap of Industrial Control Systems on the Internet
Power Plants on the Internet? Really? The latest research that generated the map is being presented at the 4SICS conference in Stockholm.
Posted by tornatech on 18 October, 2014 - 2:36 amCalibration Pressure
i need to make setting to pressure in jockey pump controller
Posted by charz on 18 October, 2014 - 2:35 amCapacitor Fuse Blowing
What is the current flowing when one fuse blows in a three phase star connected capacitor bank?
Posted by Zouhen on 17 October, 2014 - 5:19 pmHigh pressure turbine bypass system
During Turbine Low vacuum Trip what is the position of high pressure turbine bypass control valve
Posted by Amrit Pandey on 17 October, 2014 - 4:55 pmTransformer Differential Relay Protection during Open-Phase
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?
Posted by Rodger on 17 October, 2014 - 1:38 amSLC500 Communications with Unitronics PLC
Setting up communications between a Unitronics PLC and SLC 500 PLC
Posted by 8784597 on 16 October, 2014 - 4:28 pmChanging SRV Valve setting
I need help to change the set point for SRV open position.
Posted by Jeremy Ross on 16 October, 2014 - 2:25 pmRotary Die Cutter Help
Looking for help on an application.
Posted by instruguy on 16 October, 2014 - 2:19 pmOrifice plate tapping -Flange or D, D/2
Which type of orifice tapping - Flange or D, D/2 works best for larger pipes?
Posted by angel rangel on 16 October, 2014 - 9:17 amNo Communication with GE Fanuc 90-30
does anybody have ever had troubles with communications with GE PLC Fanuc 90-30?
Posted by Napster225 on 16 October, 2014 - 7:55 amWestinghouse W251B11 wet compression
Power augmentation by direct wet compression on W251B11 gas turbines
Posted by MikeAtCalidus on 16 October, 2014 - 5:50 amHow Strictly Should the MODBUS Addressing and Data Models Be Followed?
How flexible can the Addressing and Data Models be with regard to the width and alignment of objects accessed through read/write register functions?
Posted by zouhen on 16 October, 2014 - 12:44 amSteam Turbine MSV/GV Servo Valve
Turbine MSV Main stop valve and GV governing servo valve were damaged and lose functionality in the same period.
Posted by Cauê on 15 October, 2014 - 4:10 pmConnecting an Analog I/O Module to a Delta PLC
Having problems connecting an analog I/O module to my Delta PLC
Posted by Steven Smith on 15 October, 2014 - 2:15 pmHMI w/ movable icons
Looking for an HMI solution that allows users to drag icons.
Posted by WAC on 15 October, 2014 - 6:43 amSecond Stage Nozzle Control Failure
Having nozzle control problem after replacing
Posted by Stavros on 15 October, 2014 - 3:13 amWincc 7.2 Connection to Database
Is there a C-script or VB-script for connecting to Oracle database
Posted by Ankur Gajjar on 15 October, 2014 - 2:51 amCalibration problem with ABB TZIDC positioner
Auto adjust of ABB TZIDC positioner stops in calibration mode with "timeout" error!
Posted by Kevin Fan on 14 October, 2014 - 10:18 pmMaximun nodes of Modbus
What are the maximum nodes and cycle time of Modbus TCP and Modbus RTU on RS485?
Posted by Bong on 14 October, 2014 - 9:16 pmInterface Level Measurement
Measuring interface level for drum boots level
Posted by Krishna on 14 October, 2014 - 9:30 amS7 Communication with Libnodave Lib
Looking for a way to Access data from PLC - CPU S7 300 series DB to Our own VB.Net Application through libnodave Lib.
Posted by Rodney Cox on 14 October, 2014 - 3:44 amPLC Data Access Using OPC
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.
Posted by Arafath Ali on 13 October, 2014 - 2:20 pmReinstallation of an Orifice Plate in a Pipeline.
How to reinstall an orifice plate in a pipeline after the information regarding the HP and LP side is lost?
Posted by Bob Peterson on 13 October, 2014 - 2:01 pmISA acquires automation.com
What do others think about ISA acquiring Automation.com?
Posted by Rushi Shroff on 13 October, 2014 - 12:58 pmImportance of RF in Automation engineering
Should I study RF SYSTEM DESIGN FOR WIRELESS COMMUNICATIONS in depth for Industrial Automation?
Posted by Jim Crown on 13 October, 2014 - 12:12 pm9FA and DLN 2.6+ Combustors
Looking for information about dual fuel service for DLN combustors
Posted by Any on 13 October, 2014 - 6:29 amHow to Calibrate the Gas Turbine Vibration Sensors
How to calibrate the vibration sensors after removing them before major gas turbine overhaul
Posted by PLC_EIC_Bloke on 12 October, 2014 - 8:07 pmModbus TCP / IP Query
Setting up Modbus TCP/IP with a single slave and no unit ID
Posted by DT99 on 12 October, 2014 - 4:55 pmLine Monitoring
Looking for some basic information about line monitoring
Posted by vignesh on 12 October, 2014 - 5:46 amGas Turbine CEMS Operating Parameters
Operating parameters for monitoring gas emissions for gas turbine
Posted by vignesh on 12 October, 2014 - 5:34 amChanging Careers from Gas Turbine to Combined Cycle Operator
How do I change my career from a gas turbine operator to a combined cycle operator?
Posted by geoff on 11 October, 2014 - 12:20 pmPush In Jumpers for Terminal Blocks
Do push-In terminal block jumpers hold up under vibration?
Posted by mohanad on 11 October, 2014 - 7:59 amRotating 65fp Fuel Servo
Problem with liquid fuel valve opening while unit is running on gas fuel
Posted by Stumped on 10 October, 2014 - 4:19 pmPump Running Indication on Control Circuit
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.
Posted by abdi on 10 October, 2014 - 6:00 amSet Point for Changing Hydraulic Oil Filter
Difference between catalog recommendation for changing hydraulic oil filter and control system switch
Posted by ahamednivas on 10 October, 2014 - 5:58 amMeasuring Principle of Field Instruments
Regarding the selection of Instruments and its measuring principle
Posted by abdi on 10 October, 2014 - 2:15 amPurge Pressure
low purge pressure for liquid fuel nozzle
Posted by Gary on 9 October, 2014 - 2:28 pmTubing and Piping
Any differences about the size standard for piping and Tubing?
Posted by zain on 9 October, 2014 - 1:37 pmInformation about Allen Bradley PLC SLC Adapter module
Meaning of error L31 and E51 on Allen Bradley PLC SLC Remote Adapter I/O module ASB
Posted by Curt Wuollet on 8 October, 2014 - 11:23 pmRe: Modbus RTU with Star Topology
Does the Modbus RTU work with a star topology?
Posted by George on 8 October, 2014 - 10:24 pmDCS Control of Power Plants
Scope of DCS programming in a Power Plant
Posted by Martin Crummy on 8 October, 2014 - 3:08 pmReverse Power Problems
Reverse power of Engine 1 when syncing in MSB bus-tie
Posted by karim elrawy on 8 October, 2014 - 11:28 amOil from Exciter
We have oil leaks from the exciter and we drained it but we don't know what this problem is
Posted by humble3 on 8 October, 2014 - 10:17 amMain Lube Oil Bearing Header Pressure Low on GE F9
Lately we discovered that in one of our frame 9 GT, the bearing header pressure gives different value for the different pumps
Posted by Shilton on 8 October, 2014 - 5:11 amGas Turbine Momentary Torque / Short Circuit Torque (F-5001)
An estimate or rule of thumb for the momentary torque / short circuit torque at the F-5 Compressor Rotor Forward Stub shaft
Posted by JulienN on 8 October, 2014 - 3:42 amModbus RTU with Star Topology
Does the Modbus RTU work with a star topology?
Posted by Tom Stone on 7 October, 2014 - 5:45 pmRetrieving data from Instep eDNA database
Confused by timestamps returned from eDNA for hourly and minute level data.
Posted by arun on 7 October, 2014 - 8:41 amNiagara report
How to have an excel report with Niagara?
Posted by George on 7 October, 2014 - 6:49 amGas Turbine First Fire
Pre-startup activities and sequence for first fire of GT.
Posted by mouhanad on 7 October, 2014 - 6:44 amLiquid Fuel
Liquid fuel valve is very little opened while the unit is working on gas
Posted by Mikey on 7 October, 2014 - 5:41 amModbus TCP/IP
Developing Modbus TCP/IP on RX63NB board with DP83620 as PHY layer interface.
Posted by Erwin on 7 October, 2014 - 5:28 amAvoiding Overspeed by Loss of the Full Load
Avoiding overspeed by loss of the full load.
Posted by Mr. James on 6 October, 2014 - 2:37 amPLCs for Beginners
I need to learn how to operate and use PLCs
Posted by Ster_pan on 5 October, 2014 - 8:40 amSimode with frequency drive
Operation of a frequency converter with a simoceode unit upstream
Posted by Flowing Waterfalls on 5 October, 2014 - 6:18 amGenerator autosychroniser
Can anyone provide details Siemens 7VE2 electronic paralleling device
Posted by GE mark vi on 4 October, 2014 - 6:24 amStartup Gas Turbine
Is there is any provision for startup gas turbine with external pushbutton (aux.PB)
Posted by Ervin Galera on 4 October, 2014 - 6:10 amDegassing a Generator
what would be the preferred method
Posted by Kun Nguyen on 3 October, 2014 - 10:30 pmAdaptive Resonance Theorem
Application of Adaptive Resonance Theorem (ART) in fault detection of plant instrumentation?
Posted by Chris on 3 October, 2014 - 4:23 pmPanelview 300 Micro
How to take apart a panelview 300 mirco 2711-M3A18L1
Posted by EG on 3 October, 2014 - 3:19 amFast Alarms Between PLC and HMI
How can we make an hmi operator panel detect fast alarms?
Posted by praviv on 3 October, 2014 - 1:20 amFlow measurement
disturbance in flow measurement
Posted by Bill on 3 October, 2014 - 12:04 amAuto-Synchronizing GE Frame 7EA
What is auto-synch frequency window for GE Frame 7EA
Posted by Ali Shakarami on 2 October, 2014 - 10:23 pmHMI Communication with SIEMENS PLC
Sending the signal value from GE HMI(CIMPLICITY) to other controler over MODBUS RTU
Posted by Robert on 2 October, 2014 - 9:18 amEthernet Surges and Transients
Looking to see if anyone has dealt with CAT 5 ethernet surges in a control panel
Posted by Nizam on 1 October, 2014 - 9:01 pmAllen Bradley Micrologix 1400 PLC Communication with Yokogawa DCS
Allen Bradley Micrologix 1400 PLC Communication with Yokogawa DCS
Posted by Wade on 1 October, 2014 - 5:43 pmSiemens S5 to ControlLogix Conversion
Translating a Siemens S5 in Statement to Allen-Bradly ControlLogx LAD.
Posted by Kev Magee on 1 October, 2014 - 11:57 amRustronic Mk2 Information
Looking for information on Rustronic Mk2 GT controllers
Posted by JustinDee on 1 October, 2014 - 7:49 amPLC timed sequence
is it possible to stop all TON TOFF timers?
Posted by putrasuha on 30 September, 2014 - 10:25 pmFoxboro I/A series tutorial
Posted by karim elrawy on 30 September, 2014 - 1:05 pmFlow Divider Problem in GE Frame 9e Turbine
Looking for advice on maintaining flow divider in our GE frame 9e turbine
Posted by Sandra on 29 September, 2014 - 8:12 amGeneral Questions about MODBUS
A few questions about MODBUS protocol
Posted by Marx on 29 September, 2014 - 12:46 amOpen Source PLC Programming Software
I wanted to know what are the best open source PLC Programming software to use
Posted by Brian on 28 September, 2014 - 9:18 pmConnectivity and Controller Tags for VB.NET 2012 OPC RSLinx
Setting up connectivity for VB.NET 2012 OPC. How do I list the TAGs in my controller?
Posted by Ravindra K Maheshwari on 28 September, 2014 - 6:16 amOver-speeding of Slave Motor in Rock Conveying System
Rock coveyor is being driven by Master and slave, two motors in load sharing mode. Slave motor is over-speeding when master gets higher loads.
Posted by Pradeep on 28 September, 2014 - 5:16 amLoad cell output mV linearity
Whether load cell output in mV will linearly increment according to weight added to it?
Posted by Sakthi Venkatesh on 27 September, 2014 - 5:00 amReversing the Range for Level Transmitter While Measuring Level
After calibrating, why we are reversing the range for Level Transmitter while measuring Level?
Posted by MJ on 27 September, 2014 - 3:58 amMark-VIe Servers
Functions of Servers provided with Mark-VIe
Posted by Bhaskar Mittal on 26 September, 2014 - 12:53 pmRS485 Connnection to DV-6 VE4006P2
Connecting DCS to VFDs on 485 Modbus RTU
Posted by BJM on 26 September, 2014 - 9:13 amLoad Shading System
Looking for detail knowledge on the Load shading system
Posted by Bhavin on 26 September, 2014 - 9:06 amGovernor Control in Speed Control Mode
Islanding problem when grid trips. The case happens only 5 times out of 100, rest everything goes good.
Posted by Sandra Calvo on 26 September, 2014 - 3:56 amMaster Thesis Guidance With Protocols
Trying to decide which communication protocol is better for the API I am designing for my Master Thesis.
Posted by Amer on 26 September, 2014 - 3:30 amContactless Card Reader and PLC
How to connect contactless card reader to PLC?
Posted by Vikrant Makwana on 25 September, 2014 - 5:39 amHow accurate is to calculate energy at 5 second rate
Voltage, current and power factor (per phase), are acquired every 5 seconds. How accurately, can we calculate energy.
Eighty percent of all people consider themselves to be above