Posted by Rupak Shrestha on 4 April, 2014 - 4:26 amProblem in Modbus Master Simulation Tools
I'm having problem to communicate over Modbus RTU and TCP/IP frame with my computer using free softwares such as Simply Modbus Master 7.1 and TCP Client 7.1, and Modbus Poll.
Posted by Rajeswari on 4 April, 2014 - 2:48 amSliding Mode Control Design in Matlab
How to use sliding mode control design using matlab m- file?
Posted by Abbernardo on 3 April, 2014 - 4:49 pmPreselected mode for Mark V
PreSelected mode when connected to grid and Mark V trip
Posted by AEW on 3 April, 2014 - 4:39 pmCareer Question
How do I get back into the industry?
Posted by - on 3 April, 2014 - 3:02 amLoop calibration for 2 wire loops
Loop Calibration for 2 wire loops from calibrator that gives 24VDC loop output power
Posted by Ali on 2 April, 2014 - 10:42 amGC controller locked no updates allowed
i need to download the program to the controller
Posted by hibik1 on 2 April, 2014 - 4:29 amO&M manual documentation
Manual write up ideas.
Posted by elabbassy on 2 April, 2014 - 1:22 amSICAM eRTU CFC command routing
SICAM eRTU CFC command routing
Posted by Tanmay on 1 April, 2014 - 6:35 amHoneywell DCS EPKS Display Builder
Cannot create and save files in Display Builder
Posted by Sumesh on 1 April, 2014 - 3:13 amExe certification
Exe certification of a junction box
Posted by vijayaraj on 31 March, 2014 - 8:38 pmwoodward 505
woodward 505 we need to reset the alarm of vibration high alarm
Posted by JoeFin on 31 March, 2014 - 6:12 pmTri-Sen analog output low
Tri-sen TS 310 controller that doesn't want to output a full 20 ma signal
Posted by giribalaaji on 31 March, 2014 - 12:19 pmFan trips on overload after changing motor
Fan trips on overload after changing 37kw 4pole motor to a 5 KW 2 pole motor.
Posted by Cluelessone on 31 March, 2014 - 6:23 amEffect on TA from Breaker opening under load.
25MW load rejection
Posted by J. Parrish on 30 March, 2014 - 4:51 pmIDEC PLCs
Forum reader is pro-IDEC PLCs. Training session in Houston in April
Posted by zeshan ahmed on 30 March, 2014 - 12:56 pmAdding Process values in Centum CS3000
Tag not found error when adding process values to fcs from cs3000 yokogawa.
Posted by Ali Shakarami on 30 March, 2014 - 7:13 amChanging the Turbine Fuel Composition
use fuel gas with composition different from composition that issues by GE
Posted by Heru Iqbal on 30 March, 2014 - 12:49 amCreating HMI With MS Excel and HINET Modbus DDE Server
After you read this thread, Now you can create your own HMI by using Microsoft Excel and HINET Modbus DDE Server.
Posted by hatimnazir on 29 March, 2014 - 7:36 amSeries C IO Module in Honeywell DCS failure
Series C IO Module in Honeywell DCS failed
Posted by msalem73 on 29 March, 2014 - 6:42 amABB Thermocouple Transmitter reading fluctuates
Transmitters reading Fluctuating
Posted by Jaap P on 29 March, 2014 - 3:23 amBeginner question: starting an Altivar 12
I'm trying to get an Altivar 12 running through modbus without succes. Any help greatly appreciated!
Posted by Don Leathers on 28 March, 2014 - 4:29 pmModifying a timer - SLC 504
Having an issue finding where a source comes from in a MOV command.
Posted by BIGDERRICK53 on 28 March, 2014 - 9:41 amSIEMENS S5 TO SIEMENS S7
Need to Communicate from S5 to S7
Posted by Jean on 28 March, 2014 - 5:31 amUpgrading FactoryLink ECS
Upgrading FL ECS, of course, but to what to?
Posted by Cleto on 27 March, 2014 - 10:42 pmTwidoSuite v2.3 interface with CitectScada v7.3
Equivalent register address of PLC to SCADA
Posted by Sara on 27 March, 2014 - 12:03 pmModbus RTU (Client/Server) to Modbus RTU (Master/Slave)
Please read the text for full information. The attack codes I am talking about are for DoS and Injection attacks.
Posted by John G on 27 March, 2014 - 11:50 amConductor NT and Windows 7
Will Conductor NT install and run on a Windows 7 machine?
Posted by Geir on 27 March, 2014 - 10:34 amAncient Fisher control valve
Docs for Fisher valve body EC
Posted by Mohid on 27 March, 2014 - 6:16 amPLC Communication with Honeywell Experion over modbus
Trying to receive process parameters from an APB PLC to Honeywell DCS over modbus
Posted by Theophilus tetteh Ahia on 27 March, 2014 - 3:57 amRotational direction of GE F9001e Turbine
what are the main reasons for GE F9001e turbines running in the anti-clockwise direction when view in the direction of air flow
Posted by Prem Sanil on 27 March, 2014 - 3:36 amIAR Embedded Workbench software
Working on Kiel version 4 - get message saying type qualifier on return type is meaningless.
Posted by Engineer92 on 27 March, 2014 - 2:52 amLiquid gas level measurement
Liquid Gas Level measurement
Posted by John on 26 March, 2014 - 8:33 pmDissimilar Metals Galvanic Corrosion: SS Tubing Connected to CS Pipe - Is it a concern?
If dissimilar metal contact is not a good practice, how come instrument SS tubes are usually directly connected to CS process piping?
Posted by AEWynn on 26 March, 2014 - 2:36 pmSoliciting Career Advice
Looking for career advice.
Posted by AbhilashKondodi on 26 March, 2014 - 11:42 amFinal year project using Honeywell DCS
Is there any inbuilt SCADA Software for Honeywell DCS HC900 C30?
Posted by Steve Myres on 25 March, 2014 - 10:18 pmHelp me find a gear meter
Looking for recommendations on a micro flowmeter application
Posted by Prem Sanil on 25 March, 2014 - 8:25 amFile Handling through Micro Controller
Using Micro Controller to do file handling on a PC
Posted by vijaya bhasker on 25 March, 2014 - 12:40 amDP level tx for Hotwell under vaccum
DP level tx for Hotwell under vaccum
Posted by Hoa on 24 March, 2014 - 11:02 pmUnable to load DTM of HART Field Transmitter
The Preventive Maintenance Server can not access Rosemount HART protocol transmitters
Posted by MF on 24 March, 2014 - 10:13 amModbus Exception Code
exception code question if packet not correct
Posted by santosh das on 24 March, 2014 - 5:05 amGetting readings of read holding register 40001-40323 of modbus in one set.
Developing a Modbus protocol based rs485 to usb and ethernet converter in which there are three sets of read holding registers
Posted by srikantan on 24 March, 2014 - 3:06 amDownloading vxworks
Downloading vxworks5.5/Tornado hex/bin to arm7 controller board
Posted by sajeev12 on 23 March, 2014 - 11:28 amSaving Energery while Increasing Power Factor
Industrial project on to save energy while increasing the power factor
Posted by Ghantos Basim on 23 March, 2014 - 5:26 amBulleri CNC machine servo pinouts
Looking for information about servo pinouts for Bulleri CNC machine
Posted by V K GUPTA on 23 March, 2014 - 12:49 amGas turbine starting device trip generated
Our machine got tripped on alarm "starting device tripped". Machine was achieved speed 14HM level and waiting for 14HA.
Posted by Curt Wuollet on 22 March, 2014 - 8:37 pmSo What did I use the Clicks for?
Real world example of using the Koyo Click PLC
Posted by Goran on 22 March, 2014 - 10:30 amGPRS data transmission
Using GPRS modem to send data from PLC to OPC server on a PC with SCADA.
Posted by Abdul on 22 March, 2014 - 12:47 amCorrosion monitoring system
Corrosion monitoring system for liquid naphta pipe
Posted by Abdul on 22 March, 2014 - 12:44 amLeak detection system in crude oil pipe line
Leak detection system for crude oil pipe line that has no tapping point
Posted by David Flora on 21 March, 2014 - 11:46 pmReplacing Halide Roadway lights with LEDs
Connecting LED lights to 480 Volts
Posted by instrumentguy01 on 21 March, 2014 - 4:22 pmControl valve Placement
correct control valve placement
Posted by Syed Misba on 21 March, 2014 - 10:56 amI/P issue
4-20 mA & rosemount I/P transducer causing problems
Posted by Pierre on 21 March, 2014 - 10:14 amExport logic - toolbox
Export data from rung in a excel sheet
Posted by I&C Engineer_Evil Genius on 20 March, 2014 - 2:47 pmLoop Powdered Inductive Sensor Voltage and Current Fluctuation
Inductive Sensor voltage as well as current starts fluctuating very frequently (from 5mA to 19mA / DC voltage 6VDC to 24VDC)
Posted by Abdul on 20 March, 2014 - 1:27 pmRemote Operated Valve
Looking for appropriate remote operated valve
Posted by ABDI on 20 March, 2014 - 7:03 amAtomizing Pressure
When unit starts we always have low atomizing pressure alarm
Posted by Pashka on 20 March, 2014 - 5:39 amMark V Ribbon cables
Exactly length of Mark V ribbon cables
Posted by Prem Sanil on 20 March, 2014 - 1:18 amMODBUS slaves
Modbus allow only 247 slaves
Posted by Dalamagkas Konstantinos on 19 March, 2014 - 11:25 amPH Analyzer Installation
Installing a retractable Type PH analyzer in caustic soda process
Posted by Pedro Luis Guimar„es Esteque on 19 March, 2014 - 10:57 amCommunication via Modbus/TCP between Microcontroller x PLC
A Stand-alone system to control a lighting system and and their respective power factor via a microcontroller. Additionally, microcontroller can be communicate with a PLC to available the data via a SCADA system.
Posted by Lespoils on 19 March, 2014 - 10:20 am3 winding transfromer model
Need help finding R1 X1 R0 X0 from Z=X% and need help finding Zst on a 3-winding xfo.
Posted by PSilva on 19 March, 2014 - 7:54 amProblem SattControl
Problem SattControl - I can't compile program!!
Posted by yahya on 19 March, 2014 - 1:57 amDCIS power supply system
Anyone using the new MPS III by ABB?
Posted by Mark Adamson on 19 March, 2014 - 1:21 am0 to 10 volts pressure transducer
Running a 0 to 10 volt controller like you would 4 to 20 ma
Posted by Jack on 18 March, 2014 - 8:46 pmGround Fault Current Path for Multiple Sources
Ground Fault Current Path for Multiple Sources
Posted by Gus on 18 March, 2014 - 7:53 pmYokogawa FCS peer to peer
Area link block IOP
Posted by gray wolf on 18 March, 2014 - 7:18 pmac drive failures
multible drive failures
Posted by Yngve S on 18 March, 2014 - 3:12 pmDetection methods for AVR loss of sensing in weak networks
I am looking for ways to detect a loss of sensing voltage scenario on weak grids in offshore power systems installed in rigs and DP vessels
Posted by Johnplayers on 18 March, 2014 - 2:05 pmRegarding Purge Air Compressor/IBH/TK fan change over
Regarding Purge Air Compressor/IBH/TK fan change over
Posted by chiru on 18 March, 2014 - 8:22 amPFD calculation for SIL certification
how to calculate PFD of PLC operating in 1002 configuration
Posted by MCC on 18 March, 2014 - 7:05 amMissing flight 370 is a control issue
Long haul pilots today...program the flight management systems and snooooooooze
Posted by Syed misba on 18 March, 2014 - 1:20 amShipboard Pneumatic Valves
Shipboard pneumatic valves are failing too many times.
Posted by Aman on 17 March, 2014 - 2:07 pmControl System Project
Steps for making a PLC based industrial automation project, from scratch
Posted by Samnix on 17 March, 2014 - 1:18 pmStart Command not going through to Gas Turbine
In an attempt to start a GE MS50001 turbine, the start command is not going through to the control system when it is clicked from the HMI.
Posted by krishna on 17 March, 2014 - 1:14 pmDisplacer level transmitter does not respond
Oil/water interface displacer type transmitter does not respond when under 35% or over 70%.
Posted by Khalid on 17 March, 2014 - 10:34 amSteam Turbine Problem
High water content in oil tank
Posted by Paul Ganter on 17 March, 2014 - 2:37 amPanel Pressure Transmitter
I need to measure a very low pressure, not a DP.
Posted by Shaheed on 17 March, 2014 - 2:01 amFault level ISc
I was selecting a main incomer VCB for a turbo generator TG of 16000KW. I proposed VCB of 31.5KA but an expert calculated fault level total 23.62KA and advised to select VCB of 25KA.
Posted by arindam on 17 March, 2014 - 12:27 amFrame 6 Racheting
While commissioning of ratcheting mechanism, the jaw clutch got engaged, but is not able to rotate the shaft.
Posted by JAspinall on 16 March, 2014 - 10:31 amModbus Register Set
Is anyone able to point me in the right direction as per configuring this register set based on my Modbus list?
Posted by Jerry on 15 March, 2014 - 8:29 pmWet Leg Pressure Level Measurement
Need assistance on Wet leg pressure level measurement situation
Posted by Hans-Petter on 15 March, 2014 - 6:50 pmGenerator losing load
Losing load, open main breaker, closing it again, starts to take load
Posted by Dalamagkas Konstantinos on 15 March, 2014 - 1:29 pmAnalytical Instrumentation Handbook
Looking for Analytical Instrumentation Handbook
Posted by Johnplayers on 15 March, 2014 - 3:33 amGE Mark V Frame 6 Machine - IVG angle
Why IGV angle why not TTRF1?
Posted by Allan Doc on 14 March, 2014 - 1:42 pmUsing an MTL 7706+ Barrier eith HART
MTL 7706+ barrier suitable with HART?
Posted by Abu Raihan on 14 March, 2014 - 7:51 amBoiler Combustion Air Flow
Best practices for Boiler combustion Air flow measurement in DCS or PLC.
Posted by Jim Pinto on 13 March, 2014 - 7:42 pmJimPinto.com eNews 14 March 2014
The latest JimPinto.com - Connections for Growth & Success(TM)
Posted by Rhonage on 13 March, 2014 - 3:41 pmPlease explain like I'm 5 - Phases vs Equipment Modules
Could someone tell me the difference between Phases vs Equipment Modules?
Posted by ahmed shahat on 13 March, 2014 - 10:40 amSolar Cells breaker panel
the control components of breaker panel
Posted by RRiedel on 13 March, 2014 - 9:37 amAbsolute Rotary position -out of the box
Looking for a device that will output a rotary position such as -potentiometer, abs. encoder, resolver. It must be consistent from one unit to the next so that I do not need to do a setup or calibration.
Posted by Daniel on 12 March, 2014 - 11:21 pmATEX Ex ic or ATEX Ex nA ?
ATEX Ex ic or ATEX Ex nA ?
Posted by shyam on 12 March, 2014 - 3:57 pmMark V HMI back up
Back up of the mark 5 control system using windowsNT based HMI?
Posted by rdiazf on 12 March, 2014 - 1:13 pmflow control valve
Low cost valve for water flow control
Posted by Sedighzade on 12 March, 2014 - 12:44 pmAnyone heard of EFI.P dual-redundant network?
In need of manual for EFI.P network and how it works?
Posted by said on 12 March, 2014 - 11:30 amImport csv to toolboxst trend
importing csv signals with data to toolboxst trend
Posted by Henny on 12 March, 2014 - 6:11 amMAXIMO (MRO) features
Posted by Aster Guillermo on 11 March, 2014 - 4:53 pmPressure transmitter
What will happen when connecting the 4-20 mA output of one transmitter parallel to other transmitters slot of PLC?
Posted by Patrick Gigaroa on 11 March, 2014 - 1:17 pmNetwork Storms
Network Storm taking down control System.
Posted by Sensorless on 11 March, 2014 - 12:28 pmPower Factor Correction Panel
How to decide the Kvar required in a power factor correction panel to improve the power factor of 25 Kva load.
Posted by Abdel-Qader on 11 March, 2014 - 10:41 amModbus read error "break condition"
Schneider converter with modbus poll
Parallel lines never meet, unless you bend one or both of them.