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 (126.96.36.199) 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.
Posted by Christopher James Churchill on 13 April, 2014 - 7:59 amMODBUS ABB ACS550 Connection trouble
MODBUS connection trouble... How to create a virtual COMM port
Posted by Brian on 12 April, 2014 - 9:35 pmMark V TMR servo commands
Difference in servo command in TMR panel for second stage nozzle
Posted by Bhadresh Sarvaiya on 12 April, 2014 - 7:58 amModbus Data transmission time
How to calculate time to receive data from slave to master in daisy chain connection of slaves, if my slaves are 20 and single master.
Posted by Karthik on 12 April, 2014 - 3:36 amCondensate pots and flow measurement
Using condensate pots for flow measurements
Posted by John on 11 April, 2014 - 5:13 pmConnecting Floboss 107 to DeltaV
Student with a project to connect a Floboss 107 to DeltaV for an HMI.
Posted by Karsten Rasmussen on 11 April, 2014 - 3:04 pmWindmill Alternator
Control of windmill alternator load
Posted by mhkhan on 11 April, 2014 - 10:58 amMeaning of the "smiley symbol" in MARK V csp file
In the csp file of MARK V control system, can any body tell me what the "smiley symbol" means in the BBL logics?
Posted by David Sutcliffe on 11 April, 2014 - 10:32 amActuator indication and control
How to obtain indication and control from a Rotork actuator
Posted by Neo on 11 April, 2014 - 10:08 amEffect of improper grid connection on reactive power
Increase in reactive power drawl at generation source.
Posted by govoni on 11 April, 2014 - 2:35 amModbus problem with honeywell TPS
Decompressing Modbus word and still receiving appropriate feedback information
Posted by Ranier on 10 April, 2014 - 10:17 amNewbie in SCADA world, need some directions
Newbie in Power System Automation, needs direction.
Posted by Ahmed Sami on 10 April, 2014 - 7:57 amInstrumentation cables sizing
Instrumentation cables sizing
Posted by srh on 10 April, 2014 - 6:49 amMark-VI Control System T-core Issue
Issue being faced on T-core of Mark-VI
Posted by Jay on 10 April, 2014 - 5:26 am8-bit data types in Modbus registers
Are 8-bit data types obsolete for Modbus?
Posted by shahien on 10 April, 2014 - 3:40 amFlow Rate Calculations S7-1200
Flow Rate Calculations S7-1200
Posted by Curious George on 9 April, 2014 - 10:16 pmManaging changes in Wobbe index on LM2500 G4
I am seeking opinion on whether it is feasible to deal with changes in fuel gas composition by supplying a value of the wobbe index to the turbine controller.
Posted by V K GUPTA on 9 April, 2014 - 12:34 pmcommunication between siemens PLC S7-400 to DCS Centum CS3000R3
Communication between SIEMENS S7-400 PLC Scalance card to Yokogawa DCS CENTUM CS3000R3
Posted by Charles Gumm on 9 April, 2014 - 11:07 amAC Drive Panels documentation
Looking for books or magazines that i can use to train with.
Posted by Alexander Yakovlev on 9 April, 2014 - 6:28 amDoes anyone have electronic copies of GE TILs?
Looking for electronic version of GE TILs No. 1813, 1639, 1619 and 1602
Posted by Abdolazim Hasseli on 9 April, 2014 - 1:09 amNew Flow Measurement Method
How to find an investor of instruments.
Posted by Franco Kew on 8 April, 2014 - 10:34 pmModbus Max. Length
Measure the total Modbus Length
Posted by DryDrive on 8 April, 2014 - 3:15 pmMigrating Yokogawa Centum 3000 to Centum VP
Migrating a DCS system from Centum 3000 to Centum VP. Can import control drawings easily, or not?
Posted by Mostafa on 8 April, 2014 - 2:48 pmTime and Date in Honeywell control builder
How could use time and date in control module?
Posted by Julio Mtz on 8 April, 2014 - 9:46 amWinConX driver (MBX driver 4.2)
I need the WinConX driver (MBX driver 4.2) to install an old PCI-85 card
Posted by dpl.eng Kalin Kalinov on 8 April, 2014 - 9:25 amSelecting Black Start Diesel Generator for Small Hydro Power Plant
Help about sizing Diesel Generator for Island mode of Small Hydro power Plant
Posted by Frederik on 8 April, 2014 - 7:45 amSplit Range Control on two valves - HC900-C70R
Split Range Control on two valves - HC900-C70R
Posted by Ravi on 8 April, 2014 - 7:00 amMICRO 1-EV Board
Searching for MICRO 1-EV board or for an alternative.
Posted by amanemisa on 8 April, 2014 - 3:54 am2oo3D voting
Explain if 1oo2D voting is just similar to 2oo3 voting for ESD system.
Posted by self on 7 April, 2014 - 12:31 amModbus Master/Slave on fiber optics
Problem with modbus comunication
Posted by Krishna on 6 April, 2014 - 8:33 pmMODBUS and ICCP integration
How to integrate ICCP and MODBUS?
Posted by KADDOURI on 6 April, 2014 - 3:16 pmMark VIe Bleed Valves
Bleed valves open at full speed no load.
Posted by shakarami on 6 April, 2014 - 10:03 amDeriving RMS from Vibration Transmiter
How we can drive the rms vibration from Peak
Posted by Fuzzy Logic on 6 April, 2014 - 7:17 amHow prevalent is TCP/IP communication in the industry?
Are sites moving past communication standards originated by serial communications?
Posted by hatimnazir on 6 April, 2014 - 7:10 amHoneywell Experion DCS Redundant Analog Output Card Failure...
Honeywell Experion DCS Analog Output Card Failed. Output went to initialization states. Points analog output blocks gone inactive. Action changed for some valves in configuration.
Posted by Automation1971 on 5 April, 2014 - 4:01 amDevice to send digital Inputs to Modbus SLAVE?
Is there a simple Device to send multiple digital Inputs to a Modbus Slave Register?
Posted by Dan on 4 April, 2014 - 1:47 pmBuilding a Servo Hydraulic Multi-Actuator System
Two technicians are going to build a Servo-Hydraulic Actuator System (As a hobby, this is not commercial). Looking for possible suppliers of used components.
Posted by David Garcia on 4 April, 2014 - 1:13 pmExporting Files from Emerson RS-3 DCS
Exporting the alarm configuration file or data from Emerson RS-3 DCS
Posted by jmcquarrie on 4 April, 2014 - 9:42 amDisco Switch inq
A bit outside my scope (and for this forum) on a fuseable disconnect switch.
Posted by Shrk on 4 April, 2014 - 7:28 amThermocouple cable configuration
Choosing thermocouple cable configuration- twisted pair or coaxial (multi cored)
A man who was born at least 5,000 years ahead of his time.