Posted by Farzin on 7 May, 2014 - 10:39 amThermocouple extension wire resistance
Thermocouple extension wire resistance
Posted by FredS on 7 May, 2014 - 8:19 amMultiple Controllers on one RTD
How can I use the same RTD for more than one controller?
Posted by Suresh on 7 May, 2014 - 4:45 amTrifoiling problem of cables
Trifoiling of power generation cable was done incorrectly during commissioning, which causes heating of the cables and results in cable fault.
Posted by Mostafa Qasemi on 6 May, 2014 - 2:57 pmHoneywell connection an output Scada point to a PID Block?
how connect an output Scada point to OP PID Block in control module?
Posted by HBAttila on 6 May, 2014 - 1:26 pmOPC Server Performance optimization
How can I optimize OPC server Performance?
Posted by Asok Kumar Hait on 6 May, 2014 - 11:20 amMultihole orifice plate
User experience in use of multihole (conditioning) orifice plate
Posted by SSU on 6 May, 2014 - 9:56 amWhy Synchronize to a Dead Bus?
What is a Dead Bus and why Synchronize to it?
Posted by Ahmed on 6 May, 2014 - 6:45 amSynchronizing to a Dead Bus
Valve Kick when synchronizing to a Dead Bus
Posted by PT on 6 May, 2014 - 5:23 amFloating point in little endian can be read in big endian but value not same.
Reading IEEE little endian format data
Posted by Sabarreesh on 6 May, 2014 - 4:17 amModbus connect with Android via TCP
we can connect android APP with modbus simulator (mod_RSsim.exe) using socket connection. but we couldn't write and read values from registers using functions from "jamod-1.2-SNAPSHOT.jar".
we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
Posted by Curious George on 6 May, 2014 - 2:33 amCritical Turbine control data over Ethernet
Throttle critical values over ethernet?
Posted by ASHUTOSH KUMAR on 6 May, 2014 - 2:28 amGround to Neutral Voltage-Limit
DCS floating voltage failure damaging workstation motherboard
Posted by John Moraes on 5 May, 2014 - 7:05 pmModbus RTU Serial Trunkline 'Taps'
Looking for 'Taps' for Modbus serial 4 wire trunkline.
Posted by William Monson on 5 May, 2014 - 1:04 pmMark V Scan rates
How can the scan rate on the SCADA and the Response time of the transmitter be knitted together?
Posted by bassambassam on 5 May, 2014 - 11:31 amModbus TCP communication via RS232 to TCP converter
How can i configure a communication between WINCC V7.0 and a controller through a RS232 to TCP converter??
Posted by Neo on 5 May, 2014 - 8:28 amGetting a better understanding of gas turbine control
How to get a better understanding of gas turbine control?
Posted by hh on 5 May, 2014 - 7:37 amLoad rejection in triple shaft turbines
Triple shaft turbines that have load rejection mode?
Posted by Jomin on 5 May, 2014 - 3:49 amInstrument cable earthing
Requirement of cable gland earthing.
Posted by AliAdil on 4 May, 2014 - 1:36 amWhat are the steps to synchronize while operating on house load
What are the steps to synchronize while operating on house load (in Frame 6 Mark VI-e control)
Posted by Mostafa Qasemi on 3 May, 2014 - 2:28 pmCalling up filtered alarm list
Creating a filtered alarm list in Honeywell HMI station
Posted by Ugene on 3 May, 2014 - 12:58 pmseeking better understanding of how generator works
seeking better understanding of how generator works. An inquisitive mind awaits enlightening.
Posted by Shahed on 3 May, 2014 - 7:33 amNegative phase sequence
Alternator Negative sequence volt are showing 100% while positive sequence volt are showing 0%.
Posted by yogeshwar on 3 May, 2014 - 3:01 amZebra printer communicate with Delta PLC
Communicating between a zebra printer with a Delta PLC for Labeling Application.
Posted by tharun on 2 May, 2014 - 4:47 amGuardlogix Controller
What is the difference between a Rockwell Guardlogix controller and a Rockwell ICS triplex AADvance Controller in terms of Functional safety?
Posted by raul on 2 May, 2014 - 12:56 amReheater Steam turbines Valves
Why is the first Control valve after stop valve?
Posted by Luap on 1 May, 2014 - 8:22 pmGenerator damper control
Changing from pneumatic damper control to electronic damper control
Posted by bmrinell on 1 May, 2014 - 1:29 pmReading Data from a Scale with Quantum Unity Pro and 140 ESI 062 010 Card
Reading ASCII Data from Weigh Bin Scale with Quantum Unity Pro and 140 ESI 062 010 Card
Posted by Muthu on 1 May, 2014 - 1:07 pmDCS Clock Malfunction
Can the malfunctioning of the GPS clock trigger the ESD bits and shutdown the running plant?
Posted by MJ on 1 May, 2014 - 6:43 amEEx 'd' or IS
What are the criteria in deciding between EEx 'd'/'e' and Intrinsically Safe?
Posted by tapas on 1 May, 2014 - 5:27 amhow to detect over pressure
Sensor for detecting if pressure is out of 4 to 6 bar inside a pneumatic pipe
Posted by Fred Ramos on 30 April, 2014 - 11:19 pmFormula for Chemical Dosing
formula to use for Calcium Nitrate concentration?
Posted by MrChampion on 30 April, 2014 - 7:14 pmhow to send floating point numbers using the ModbusRTU protocol?
how to send floating point numbers using the ModbusRTU protocol?
Posted by WSNIA'14 Organizing Committee on 30 April, 2014 - 11:11 amWireless Sensor Networks for Industrial Applications Workshop (WSNIA'14) Call for Papers, Due on May 30th, 2014
Call for Papers/Posters: 2014 International Workshop on Wireless Sensor Networks for Industrial Applications (WSNIA-2014), August 17-20, 2014, Niagara Falls, Ontario, Canada.
Posted by Bob Peterson on 30 April, 2014 - 9:29 amLinux Ethernet/IP Driver
How to use Red Hat Linux to collect data directly from Allen-Bradley CompactLogix PLCs?
Posted by HH on 30 April, 2014 - 7:36 amBeginner in HAZOP study
What standards and codes are there for HAZOP?
Posted by Danish on 29 April, 2014 - 4:43 pmTransmission line safe distance from Gas Vent tower
220 KV transmission line safe distance from the Gas vent tower.
Posted by Krishna on 29 April, 2014 - 2:25 amRatchet fails to brake Frame-5 Gas Turbine
Ratchet motor with cooldown ON fails to brake the Gas Turbine rotor.
Posted by Anthony Porter on 28 April, 2014 - 6:45 pmABB / Bailey Conductor NT
Upgrading from Conductor NT 6.0 to Symphony Plus?
Posted by Rudi on 28 April, 2014 - 11:16 amConverting an Integer to S5Time in Access
Need to convert a integer in access or SQL to a S5Time format
Posted by farhan on 28 April, 2014 - 9:07 amBoiler Drum Level
Boiler Drum Level measurement/securities
Posted by Shaker Hashlan on 28 April, 2014 - 5:56 amOSI PI Engineering units conversion in GE Control System
Stuck with the US engineering units
Posted by Chandler Chen on 28 April, 2014 - 4:48 amCommunication between INTOUCH and ABB ACS550
INTOUCH ABB ACS550
Posted by Michael Kruger on 28 April, 2014 - 3:43 am2-car train system on inclined plane
State equations of a 2-car train connected with spring on an inclined slope.
Posted by Mostafa Qasemi on 28 April, 2014 - 1:10 amCall up group trend in Honeywell Station
When calling up a group trend in Honeywell station pushbutton in HMI it does not go to correct group.
Posted by Adeel Imtiaz on 28 April, 2014 - 12:04 amVibration Trip
Vibration probes wire disconnection effect.
Posted by Jack on 27 April, 2014 - 8:36 pmTransformer Multiple Grounding
Paralleling Transformer earthing connection
Posted by MattQ on 27 April, 2014 - 2:33 pmComparing steam flow and feedwater flow
Looking to find out how a comparison of feedwater flow and steam flow is made.
Posted by Ahmed samy on 27 April, 2014 - 7:08 amGSM Protocol and MARK VI
GSM connection between mark VI and Ovation
Posted by PC Tan on 27 April, 2014 - 6:51 amDoes IEC61511 allow an ESD system on a control network?
Does IEC61511 allow an ESD system to be resident on a control network?
Posted by Mostafa Qasemi on 26 April, 2014 - 12:30 pmHoneywell scrip language
How can we learn Honeywell Scrip language?
Posted by Kamil ozkan on 26 April, 2014 - 1:04 amModicon M340 TCP Communication
Communication between Modicon M340 PLC and Weintek HMI via MODBUS TCP
Posted by Sweta on 25 April, 2014 - 5:13 amComparing the model of BLDC with a real BLDC motor
Where do I start to compare a model of bldc motor with a real one?
Posted by Santanu on 25 April, 2014 - 2:09 amDistance Protection
What is the principle of operation of Distance Protection?
Posted by Santanu on 25 April, 2014 - 2:06 amUnder frequency protection of Generator connected to infinity bus
Why are there under frequency or over-frequency protection trip in Generator connected to infinity bus?
Posted by Napster225 on 25 April, 2014 - 12:50 amFlame stability
Significance of flame profile
Posted by Jim Pinto on 24 April, 2014 - 8:24 pmJimPinto.com eNews 25 April 2014
The latest JimPinto.com eNews is on the web
Posted by lalas on 24 April, 2014 - 3:54 pmOPC tags stop updating...start once the tags are added again
Using an OPC client, the values stopped updating after a while (20 days).
Posted by S D Jana on 24 April, 2014 - 3:37 pmWater Treatment Plant Iconic Load
DM stream ionic load is lower than design in water treatment plant
Posted by GE on 24 April, 2014 - 12:38 amHP & LP speed in GE gas turbine
What is the difference between HP & LP speed
Posted by rajesh patil on 23 April, 2014 - 2:28 pmModbus mapping registor reading at register plus 1
why the modbus mapping register is visible at register address +/- 1 address.
Posted by kwaku on 23 April, 2014 - 10:22 amMark Vie PPDA IO Pack Fault
PPDA I/O pack on PDM card faulty?
Posted by dodgeybro on 23 April, 2014 - 6:33 amModbus Converters
Modbus Gateway v's Modbus Servers and Protocol converters.
Posted by Kamran Shamim on 23 April, 2014 - 2:58 amBently Nevada axial vibration due to lightening strike
Technical query - Bently Nevada axial vibration due to lightening strike
Posted by HAIRI on 23 April, 2014 - 1:48 amTriconex system
What happens when Triconex system CPU fails?
Posted by rizki on 23 April, 2014 - 12:55 amHow To connect Vijeo citect with Untiy Pro XL
help me to connect Vijeo citect and unity pro xl
Posted by Michelle on 22 April, 2014 - 10:22 pmThermocouple readings problem
Took temperature readings with J thermometer but only had K type wire!
Posted by GRJS on 22 April, 2014 - 8:56 amWinding Resistance Measurement - Delta Connected Transformer
Measuring winding resistance in a delta connected transformer.
Posted by Fatima on 22 April, 2014 - 8:29 amS7 PLC as a MODBUS slave
would like to make S7 PLC as a MODBUS slave and a PC Master MODBUS
Posted by Bhadresh Sarvaiya on 22 April, 2014 - 6:49 amUnity Pro communications
Need help for communication of NOE with M340.
Posted by Hemant on 22 April, 2014 - 3:16 amMODBUS Function code
MODBUS function code of address word
Posted by Kazim on 22 April, 2014 - 12:56 amCalculating LRV/ URV of a Bubbler Level System
How do you calculate the LRV and URV of a Bubbler type Level Transmitter?
Posted by SALIH SMA on 21 April, 2014 - 7:58 amMODBUS COMPATIBILITY ISSUES WITH WINDOWS 7
We are facing problem with Modicon MODBUS Serial IO Server 7.5 (184.108.40.206) with win7 as compatibility issues.
Posted by farzadad on 21 April, 2014 - 3:42 amDwyer flow switch information
dwyer obsoleted flow switch
Posted by BrownPaper on 20 April, 2014 - 11:34 amTurbine Throttle Pressure and 1st Stage Pressure
Difference between throttle pressure and 1st stage pressure
Posted by Phil Corso on 20 April, 2014 - 11:30 amEaster Greetings
Posted by Ed on 20 April, 2014 - 2:40 amModbus via microcontroller
Communicating with device via Modbus RTU through a microcontroller.
Posted by Jose Sanchez on 19 April, 2014 - 10:58 pmACC Module on Mark V
Library for instrutions about the keypad on ACC Module in <R> <C> procesors
Posted by RAB on 18 April, 2014 - 6:41 pmUpgrading Siemens PCS7 V 6.1
Can you plz suggest the best solution to upgrade Siemens PCS7 to latest version?
Posted by RAB on 18 April, 2014 - 6:27 pmFormula for steam flow in venturi tube
Required exact formula to calculate flow in a venturi tube
Posted by BBSALO on 18 April, 2014 - 4:51 pmexhaust spread
Why monitor the exhaust spread of a frame 9E gas turbine
Posted by Hans on 18 April, 2014 - 3:40 pmDriving a Stepper Motor
I am seeking advice on the best methods to effectively control a stepper motor.
Posted by Piedon on 17 April, 2014 - 9:58 pmDo I Understand PID's?
Just want to see if I understand these things.
Posted by Centrafused on 17 April, 2014 - 8:04 pmSoftware suggestions
New to automation and searching for a simple solution on some safety concerns.
Posted by RKM on 17 April, 2014 - 3:15 pmCommunication between Speedac NXT weighing Controller and Honeywell Scada
Speedac NXT controller is not communicating with Honeywell Server via RS 485 serial communication.
Posted by NVS on 17 April, 2014 - 12:27 pmVitec Vibration probe
Installing Vitec 4033-500 in place of 4033-400 velocity transducer
Posted by Srinivas on 17 April, 2014 - 11:02 amML1400 PLC communicate PIC 16f874 over modbus protocol
ML1400 PLC communicate with PIC 16f874 over modbus protocol and write data to LCD connected to microcontroller
Posted by Abhishek on 17 April, 2014 - 5:20 amSynGas Conversion Project
Pointers for Syngas Conversion project in India
Posted by Biju CG on 17 April, 2014 - 4:10 amHall/Magnetic Sensor
Hall Sensor Replacement Failed !
Posted by Detlev Neumann on 17 April, 2014 - 4:09 amCan I say my device is MODBUS-RTU compaible when.....
Could I say that with the following facts my device is MODUS-RTU compatible
Posted by Mahmoud Sallam on 17 April, 2014 - 12:00 amStandard for temperature measurement
Location of temperature measurements (problems)
Posted by jamal on 16 April, 2014 - 4:15 pmOT CALCULATION
Posted by Derek on 16 April, 2014 - 12:14 pmMODBUS Break Condition & Checksum
MODBUS RTU using RS485 to RS232 converter connected to RS232 to USB converter to communicate with electric meter using MODBUS Poll.
Posted by Franco Kew on 16 April, 2014 - 5:19 amOPC server communicate with OPC server
How do one OPC server share data with another OPC server?
Posted by Jinali on 16 April, 2014 - 4:11 amSerial Communication VB Code
Continuous reading of serial input
Posted by SSU on 16 April, 2014 - 12:56 amSCADA RTU in Substation
Why use SCADA RTU in a substation? What is the purpose of SCADA RTU?
Posted by Mahesh Thapaliya on 15 April, 2014 - 2:26 amMedium Voltage Drive Variable Frequency Drive
Application of Medium Voltage Drive in industry to save energy, obtained desired output
Posted by Arun Kumar on 14 April, 2014 - 4:20 pmUREA FLOW METER
What type of flowmeter can be installed in a Urea duct as a source of FD and ID fan in the duct?
Posted by Raymond Mpofu on 14 April, 2014 - 8:16 amSiemens marshaling wire
Brand name of Siemens' 0.5mm thick marshaling wire
Posted by / on 14 April, 2014 - 1:14 amTag Prefix WinCC V7.2
Communicating with Tag Prefix WinCC V7.2 using MODBUS TCP/IP protocol.
Posted by Zarar on 13 April, 2014 - 2:21 pmDCS Yokogawa Communication Issue
Yokogawa DCS communication with Modbus slave device using ethernet redundant connection with ALE111.
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