Posted by hiren on 31 August, 2014 - 7:49 amCommunication Between Emerson DeltaV DCS and Wonderware
Communicating through FSGateway between Emerson DCS DeltaV and Wonderware System platform
Posted by Shaiq Bashir on 31 August, 2014 - 2:47 amWet Leg Carried Over Problem in Differential Pressure Transmitters
The seal which is filled in wetleg of DPT, is carried away with pipe fluid.
Posted by Andrew on 31 August, 2014 - 12:41 amSliding Mode Control
Help with Anti-swing Sliding Mode Controller for Gantry Crane
Posted by RLovell on 29 August, 2014 - 1:08 pmHigh School Math - How is this used in the real world?
My high school students ask when/how/if abstract topics like polynomials, factoring, rational functions are ever actually used in the Real World. I don't know..maybe you do?
Posted by Wade on 29 August, 2014 - 8:54 amSiemens Statement Help
Converting a Siemens S5 program to ladder and need help with a block.
Posted by RAJESH on 29 August, 2014 - 4:17 amDifference Between IP and MAC Addresses
What is the difference between IP address and MAC address?
Posted by Sagar on 28 August, 2014 - 11:48 amparallel operation of generator
We are having 18MW captive power plant to fulfill requirement of power and steam in company.
Posted by Neo on 28 August, 2014 - 10:48 amGetting a better understanding of GT control PART 3
Getting a better understanding of GT control PART 3
Posted by N.V.Q on 28 August, 2014 - 2:49 amMark VIe Governor control
What are the basics of governor control?
Posted by Ankur Gajjar on 27 August, 2014 - 5:20 amData Acquisition from Siemens S7 317-2-PN/DP PLC
Data Acquisition of measured temperature value (by means of 2 wire RTD) from Siemens S7-317-2-PN/DP PLC to Excel/LabView/Matlab
Posted by Rashid on 27 August, 2014 - 12:46 amCustomized Control System ExD Enclosure
We have procured a Customized PLC ExD Enclosure.
Posted by jmgusmer on 26 August, 2014 - 6:34 pmRunning Analog Signal
I need help with running analog signal alongside some 110 lines
Posted by RM on 26 August, 2014 - 5:11 pmUL Inspectors
Now that we're on CPAP (UL's naughty list) we are being 'asked' to purchase their training package for better inspection results.
Posted by danaqu on 26 August, 2014 - 2:53 pmMODBUS to Lan Convertor
Looking for a MODBUS to Lan convertor.
Posted by Paul Kraemer on 26 August, 2014 - 2:12 pmHot Air Dryer Supply / Exhaust Air Handling
Supply and exhaust air handling control method evaluation.
Posted by Roberto Carabajal on 26 August, 2014 - 1:50 pmJava PID example
I am searching a PID controller example in Java with source code.
Posted by giorgioCDB on 26 August, 2014 - 11:34 amInstallation of Ex-ia Converters in Ex-ia Junction Box
Installing Ex-ia converters in Ex-ia Junction Box instead of EX-d
Posted by Bill K on 26 August, 2014 - 11:23 amSiemens Procidia upgrade
update info? Upgrading from Siemens 3.1 to latest version.
Posted by arun on 26 August, 2014 - 8:38 amCommunication between Cimplicity Scada and ABB AC 800 M PLC
How to get data from an ABB AC800M plc to display in Cimplicity SCADA
Posted by Kevin Frechette on 26 August, 2014 - 8:33 amDefeated Circuit Breaker
Is it possible to defeat a circuit breaker?
Posted by Tarun on 25 August, 2014 - 1:23 pmTCP/IP over Ethernet
Is TCP/IP on ethernet better?
Posted by Christian on 25 August, 2014 - 7:59 amAdding Two 4 -20 ma Signals to Equal One Output Signal
Adding two 4-20 ma signals to equal one 4-20 ma output signal without a PLC
Posted by Notle on 25 August, 2014 - 3:32 amABB Diode Supply Unit
Ground fault on diode supply unit
Posted by Rushi Shroff on 24 August, 2014 - 2:57 pmWhy Industrial Automation & Robotics in Mechanical Engineering if it's more electricity?
Master of technology in Industrial Automation & Robotics
Posted by bilo7 on 24 August, 2014 - 12:30 pm9E Generator Trips on Open Breaker When Under Excitation
trip 9e generator open breaker when underexcitation
Posted by Mahmoud Alshimy on 24 August, 2014 - 5:16 am9FA Gas Turbine Water Injection
Water injection service varies greatly for GE gas turbine loads.
Posted by Snake on 23 August, 2014 - 12:36 pm0 - 10v Sensor Output Spikes or Dips Periodically
0-10v sensor output not as stable as I'd like
Posted by Mani Singh on 22 August, 2014 - 6:53 amOil injector in Turbine Oil System
Function of Oil Injector in Turbine Oil System
Posted by Mike divine on 22 August, 2014 - 5:32 amController Watch Dog and Output Loop Failure Detection
Challenges with achieving the processor watchdog and output loop failure functionality with Eurotherm 3504.
Posted by winds_977 on 21 August, 2014 - 11:59 amDifference Between Full Load and Rated Conditions
Confused between the terms full load and rated conditions.
Posted by Anil Bathra on 21 August, 2014 - 8:58 amSelf Actuated Pressure Control Valve
What happens when Upstream pressure of Self actuated pressure control valve (downstream) is less than set Pressure?
Posted by Kamaraj on 21 August, 2014 - 7:42 amCalculating Pressure Transmitter Range
How can we test Rangeability of Pressure Transmitter?
Posted by Seyed Soheil Mansouri on 21 August, 2014 - 6:46 amPI Controller on a Reactive Distillation Column
Tuning a PI controller for a dynamic reactive distillation column model.
Posted by Ashiq on 21 August, 2014 - 2:08 amFuse Monitor Alarm infi-90 DCS
Fuse monitor slave alarm of IMDSI02-NTDI01 DCS Infi90
Posted by Gerry Finn on 20 August, 2014 - 6:15 pmSample Program for Twido Suite
sending the value of a register as a SMS message
Posted by Eric on 20 August, 2014 - 5:34 pmChain & gearbox selection for factory automation
Selection process for gearboxes & chain for conveyors & packaging machines
Posted by Eric on 20 August, 2014 - 5:14 pmPipe sizing for fluids and pump/motor selection
How do you select pipe size, metal as well as corresponding pump type with motors for process industry?
Posted by David on 20 August, 2014 - 3:07 pmAdding Modbus register values together
How can you add MODBUS registers?
Posted by JazzyB on 20 August, 2014 - 2:01 pmWonderware Intouch clock
Intouch help in creating an HMI to regulate start and stop time
Posted by Bogaat on 20 August, 2014 - 1:41 pmWeb based HMI for Greenhouse
Looking for an affordable OPC Web based HMI solution
Posted by Gerald Beaudoin on 20 August, 2014 - 8:04 amControl Valve Cycle Measurement
How to measure the control valve cycles?
Posted by Ali on 20 August, 2014 - 7:30 amIsochronous Load Sharing on Dissimilar Generators
Advantages of isochronous load sharing over iso-droop mode configuration of three generators.
Posted by Aravazhi on 20 August, 2014 - 4:21 amSteam Consumption for 50 Hz and 60 Hz
The Steam consumptions for using 50Hz & 60Hz
Posted by Kevin on 20 August, 2014 - 2:04 amRuntime Alarm Management OPC
Looking for runtime Alarm management OPC
Posted by BobLemonjello on 19 August, 2014 - 10:50 pmiFix 3.5 Windows OS and Windows 7
Will iFix 3.5 run on Windows 7?
Posted by Andrew on 19 August, 2014 - 7:18 pmLightning Sensor
I'm trying to find a lightning sensor
Posted by Vinu on 19 August, 2014 - 5:43 pmLoad Commutated Inverter and Generator Neutral
Difference in GE & SIEMENS Load Commutated Inverters.
Posted by ioudas on 19 August, 2014 - 1:16 pmBM85 connections to a 984 265 Via MODBUS
Trying to connect a bm85 to a 984 265. Via MODBUS+
Posted by BOB on 19 August, 2014 - 8:23 amIncrease External Load Mode of Turbine
How can we increase initial load of GT (GE 9FA) after startup while being in external load?
Posted by kk on 19 August, 2014 - 6:12 amAccessing Real Time in GE FANUC PLC
How to get real time in GE FANUC VERSAMAX PLC for a calculation.
Posted by Kamaraj on 19 August, 2014 - 5:47 amReplacing a Ball Valve with a Different Control Valve
how can we replace mechanically ball valve into electric or pneumatic valve?
Posted by Jolek on 18 August, 2014 - 1:36 pmUnable To put MKVIe Controller Back Online
Turbine MKVIe controllers not reaching online state
Posted by JW on 18 August, 2014 - 10:03 amDNP3 Communication Issue - Transfering Program to MicroLogic PLC Via DNP3
Development and transfer of logic on RSLogix to PLC via DNP3
Posted by Sadashiv Bhise on 18 August, 2014 - 8:12 amAir filter DP v/s Air Flow
On rainy days Gas turbine unit load drops from 108 MW to 70 MW, reduction in air flow although there no increase in DP across Air filter.
Posted by banny on 18 August, 2014 - 4:45 amEarthing a Collocated Shelter That Feeds Separate Generators
How earth the collocated shelter that feed from one generator and spaced far apart?
Posted by . on 18 August, 2014 - 4:41 amMark 4 Speedtronics HSAA Card jumper position for SRV, GCV Calibration
What is the position for Mark 4 HSAA card jumper when we want to perform calibration?
Posted by casualguy on 18 August, 2014 - 3:28 amLocal Fault on SLC 500
Local fault indication on our SLC 500
Posted by faisal on 17 August, 2014 - 5:40 amMARK VI Out of Service During Start Up of Combined Cycle
During start up combined cycle, GE 9E mark VI gas turbine tripped.
Posted by fluidflow on 16 August, 2014 - 11:13 amUnderstanding Run Back in Burner Management System
What is Run Back in a Boiler Operation?
Posted by Storm Rider on 15 August, 2014 - 4:35 pmSteam TG Low Frequency Operation in Island Mode
Can I generate more power using low frequency operation of STG?
Posted by MPAC on 15 August, 2014 - 1:29 pmDifference Between Mark V Type 'A' or 'B' Panel
What is the difference between a Mark V type 'A' and a type 'B' Panel? Can you tell by looking at it?
Posted by Harvard on 15 August, 2014 - 1:17 pmSlave Device Lacks Connection to RS-485 Common Connection
Need to know how a slave device that lacks access to the RS-485 COMMON manage to maintain a Receiver common mode voltage between -7 and +12.
Posted by Oil & Gas on 15 August, 2014 - 12:11 pmCommunication Between Telemetry System P6008/9 and Computer
I need to know how to communicate between telemetering system and PC using cables RS232.
Posted by Don Wier on 15 August, 2014 - 10:55 amConcepts 2.5 SR2 Error on Windows 8.1
I am getting error os errno: -35 and then error id: AL-11343. I found the solution for Windows 7 but cannot find a solution for Windows 8.1.
Posted by ABB 800xa on 15 August, 2014 - 10:03 amABB 800xA Operator Station Disabled. Unable to Connect Operator Station
Our ABB 800xA DCS server restarted automatically. During restart, all operator stations hung. Unable to connect. Need help resolving the problem.
Posted by Whitepage on 15 August, 2014 - 4:30 amModbus Register Address
I have a question about entering the register address in our program PME when I have a 4-digit address.
Posted by Curt Wuollet on 14 August, 2014 - 9:15 pmRe: Replace RS-485 with Siemens Profibus Cable
I am building a Modbus RTU network and am considering replacing RS-485 cable with Siemens Profibus cable. Want to hear from those who have done this.
Posted by KOKORI on 14 August, 2014 - 6:38 pmCan a Low-Temperature Gas Cause the ESD Valve to Close?
Does a low temperature gas from the Water Bath Heater causes the Emergency Shut Down valve to close?
Posted by Chris IWO on 14 August, 2014 - 5:28 pmPQM II Setup for Generator
Configuring a GE PMQ II for metering the power readings. Can anyone help with the specification I need to enter into the PQM?
Posted by JIMMY SALDIVIAS on 14 August, 2014 - 12:24 pmReplace RS-485 with Siemens Profibus Cable
I am building a Modbus RTU network and am considering replacing RS-485 cable with Siemens Profibus cable. Want to hear from those who have done this.
Posted by Rangacharya on 14 August, 2014 - 2:29 amSteam Turbine Gear Box
15 MW Steam turbine gear box has high vibration at 3 to 4 MW load. What is the probable reason for this phenomenon?
Posted by syednifty on 13 August, 2014 - 4:30 pmElectrical Dynamo Fails When the Load is On
Electrical dynamo is failing when the load is on.
Posted by mostafa qasemi on 13 August, 2014 - 2:02 pmHoneywell DCS & ESD Load Calculation
CPU load calculation for control modules (in C300).
Posted by Gerald Beaudoin on 13 August, 2014 - 12:09 pmWhat Constitutes a Cycle for Preventative Maintenance Purposes?
A manufacturer of a valve and actuator specs the life at 2 million cycles and defines a cycle as 0-90 % movement. If a valve sits all day oscillating around 50-60, what constitutes a cycle for preventative maintenance purposes?
Posted by Walt Boyes on 13 August, 2014 - 10:26 amRe: Translator Assistance Please, Ajuda Por Favor
Looking for a Portuguese speaker to help with purchasing products from a Brazilian company.
Posted by Control Engineer on 13 August, 2014 - 8:23 amRuston TA1750
Information request for Ruston TA1750
Posted by bammaroc on 13 August, 2014 - 6:33 amRS-485 cable recommended reference
RS-485: Reference recommended cable for Modbus communication between DCS and MVI94-MCM systems or PLC
Posted by Ramesh on 13 August, 2014 - 5:08 amGE TIL 1480-2R1
Can someone please tell me what is the text of GE TIL 1480-2R1? What exactly does it say?
Posted by sriram sandep on 12 August, 2014 - 7:13 pmLoss of Cooling Water to Steam Turbine Condenser
What will happen in special circumstances when there is a loss of Cooling water supply to the condenser
Posted by Bill Futch on 12 August, 2014 - 4:08 pmGE Frame 7EA Combustion Turbine Starting Motor
Starting motor does not cutout when a normal shutdown is given below 60% speed.
Posted by Benjamin on 12 August, 2014 - 3:39 pmQuestions about Designing a Gas Processing Plant - student project
I need advice about a gas processing plant I'm trying to design, as an exercise.
Posted by marinus on 12 August, 2014 - 3:51 amSending and Receiving Commands in Master Slave Configuration
Master and slave principe with exchanging information thru PLC network
Posted by Chris IWO on 12 August, 2014 - 12:08 amGE Fanuc RTU LM 90 Communications Software
Set up of Master RTU PLC to communicate with Remote Telemetry PLCs
Posted by PC on 11 August, 2014 - 6:15 pmFrame 9e Spike
Frame 9e dwatt control
Posted by Gary on 11 August, 2014 - 2:28 pmControl Valve Position Command Signal
Looking for a device that generate control valve position signal for open loop control
Posted by Srbrg on 11 August, 2014 - 1:37 pmCalculating Input Current
Calculating the input current to PLCs for Armorblock - 1732E-IB16M12SOEDR
Posted by Robert Perez on 11 August, 2014 - 8:33 amProfibus interface ABB DI801 slave with SST-PFB-CLX master
Connecting an ABB DI801 profibus to module-bus slave gateway with a SST-PFB-CLX master
Posted by Javier Fontalvo on 10 August, 2014 - 9:46 pmStudent project- problems using Matlab's filter command
Trying to obtain parameters from given data using least squares. Things don't go so well
Posted by Yousif on 10 August, 2014 - 8:29 amCan OPC-UA replace DNP3 for telemetry and SCADA?
What is the difference between OPC-UA and DNP3 protocol specially in low level layers?
Posted by ahmed on 10 August, 2014 - 5:04 amGE MS6001B exhaust over temperature
have a problem of over exhaust temperature in GE MS6001B unit lead to the unit goes into temperature control mode during start up
Posted by Chris IWO on 9 August, 2014 - 5:52 pmRTU Errors in GE Fanuc LM 90 30
Lost of Slave RTUs - need help understanding error messages
Posted by bipin on 9 August, 2014 - 1:47 pmweight measurement from DP tx
weight measurement in a liquid tank which has different densities
Posted by Izhar on 9 August, 2014 - 3:29 amAtomizing air cooler modification
Atomizing Air Cooler Modification
Posted by raul on 9 August, 2014 - 2:45 amSteam turbine Bypass Locks
Approximate number of steam bypass locks
Posted by Curt Wuollet on 8 August, 2014 - 11:44 amTranslator Assistance Please, Ajuda por favor
Looking for a Portuguese speaker to help with purchasing products from a Brazilian company
Posted by Jeff Julian on 8 August, 2014 - 8:38 amHC900 C50 Controller version 1.0x firmware upgrade to higher version.
Is there a way of upgrading our HC900 C50 Version 1.0x to a higher version to take advantage of its features w/o changing the cpu?
Posted by scientif on 8 August, 2014 - 6:32 amSCADA and HV/LV distribution substation automation
How to automate HV/LV distribution substations using SCADA.
Posted by Aravazhi on 8 August, 2014 - 3:55 amEquation for Flow conversion in DCS
Need help calculating the DP flow in m3/hr. Have most of the equation.
Posted by Chris Wehr on 7 August, 2014 - 7:42 pmMode 1 and Mode 2 in Turbine Control System
Looking for descriptions/definitions of Mode 1 and Mode 2
Posted by Gary on 7 August, 2014 - 11:49 amNull Current of Integrating Actuator
What is the null current of an integrating actuator?
The ancient Italian art of pizza folding.
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