Posted by Patrick Burgers on 1 December, 2011 - 8:44 pmConnecting Yaskawa V1000 to S7 with Profibus
Looking for example project.
Posted by benedict ben on 1 December, 2011 - 4:33 pmmodel equations for the different pid structure/forms
Involved in a research on "numerical experimentation with pid controllers" and desperately need the model equations for the various pid structures/forms/algorithms.
Posted by Alex_1977 on 1 December, 2011 - 2:47 pmRedundancy ControlNet
Redundancy ControlNet issue
Posted by ffpaj on 1 December, 2011 - 11:35 amVacuum/Back pressure improvements
ways to improve vacuum/back pressure
Posted by nikhilkapoor_vit on 1 December, 2011 - 1:37 amTech Specs needed for a "Kidde CO2 fire suppression" part
Urgently Needing tech specs of Kidde CO2 suppression system part No-K93434.
Posted by student on 30 November, 2011 - 9:57 pmGE naming scheme
Where can I find GE gas turbine naming scheme, like KKS in Siemens machine ? Similar to Tag number.
Posted by Scot B. on 30 November, 2011 - 8:17 pmstarter PLC
Looking for a starter PLC for beginners
Posted by sami on 30 November, 2011 - 5:10 pmDigital output card - PLC
PLC digital output card for Solenoid valves
Posted by Quangvu on 30 November, 2011 - 3:40 pmConnecting ETG1000 and TWIDO TWDLCEA40 through Modbus
Modbus communication between ETG1000 and TWIDO TWDLCEA40DRF
Posted by Jose Rey on 30 November, 2011 - 3:38 pmWhere to get nice rem control valves
Re-manufactured Fisher control valves
Posted by Hamid on 30 November, 2011 - 12:52 amShutdown Valve for Hydrocarbon Service: Butterfly Valve, Any Concern?
Is there any concern for using a butterfly valve as process shut down valve in hydrocarbon service?
Posted by masod on 30 November, 2011 - 12:28 amSteam turbine Diff. expansion
A 55Mw Steam turbine has problem with Diff. expansion.it goes to negative value.
Posted by Steve Myres on 29 November, 2011 - 10:49 pmRe: Interface advice for connecting Arduino to Badger ADE Water Meter
I'm looking for help with interfacing an Arduino with a Badger ADE water meter
Posted by HASS on 29 November, 2011 - 10:46 pmAB SLC5/03
CONFIGURATION OF PLC PROGRAM
Posted by Jason on 29 November, 2011 - 8:37 pmInterface advice for connecting Arduino to Badger ADE Water Meter
I'm looking for help with interfacing an Arduino with a Badger ADE water meter
Posted by Guy Massicotte on 29 November, 2011 - 5:25 pmSplit range ratio control
How to implement a ratio and split range controller?
Posted by Wasantha K on 29 November, 2011 - 8:00 amGas Turbine GCB Opening
How Gas turbine GCB opens???
Posted by vsegvic on 29 November, 2011 - 3:00 amDelta - star starter of pump
Dimensioning the genset for starting a pump with delta - star starting system
Posted by amit on 29 November, 2011 - 1:35 amelectric cables
Is feasible to use 2.5 sq. mm cable instead of 4 sq. mm cable if the insulation of 2.5 sq. mm cable is better then 4 sq.mm cable?
Posted by Matt on 28 November, 2011 - 7:51 pmAdding a Web Interface
I have never programmed a PLC before, but I suspect I need to learn for this project: remote heater control.
Posted by Stephen Harms on 28 November, 2011 - 6:57 pm'unbalanced' three phase delta system
I'm seeking an answer to how you figure out the other angle in the equation Ic = Icb + Ica.
Posted by Jerry on 28 November, 2011 - 8:41 amPneumatic Cylinder Operation
Pneumatic Cylinder Operation
Posted by Per Abrahamsson on 28 November, 2011 - 7:12 amModicon multiple MSTR excecuting
Program behavior when max number of MSTR is exceeded.
Posted by Mahsa Rassoulzadeh on 27 November, 2011 - 11:24 amCitect Alarm Redundancy and Alarm logging to Standby system problem
Standby Citect Alarm Server can not log alarms to log device when Primary Server disconnects from the network
Posted by Nguyen Thanh Son on 27 November, 2011 - 5:34 amRestoration MKVI
Restoration MKVI from 3 CD As shipped
Posted by murthy on 27 November, 2011 - 5:15 amProtection for Servo motor drive
How do I protect the servo motor drive from failure when drive is connected to input supply through mcb?
Posted by G. Suaza on 26 November, 2011 - 3:37 pmDiscontinued CPU in ABB Line AC800M
Discontinuing in production of CPU´s models in ABB line AC800M.
Posted by Mohamed on 26 November, 2011 - 3:07 pmalarm and trip
the unit give alarm on the HMI and not give alarm in alarm event
Posted by Luca Gallina on 26 November, 2011 - 10:49 amSHARP LJ512U25 replacement
SHARP LJ512U25 display replacement
Posted by kufre bassey on 26 November, 2011 - 2:15 amAlgorithms used for the digital implementation of pid control
New to process control and working on a project which involves comparing algorithms used for the digital implementation of pid controller. not quite sure how to proceed.
Posted by kenn on 25 November, 2011 - 10:23 pmFlow Indicator Transmitter Calibration
Difficulties calibrating flow transmitter.
Posted by MichaelMorris on 25 November, 2011 - 4:26 pmLooking to start a career in DCS
How to start learning about DCS...
Posted by ashiq on 25 November, 2011 - 5:39 amBAILEY INFI-90 ETIMER CODE 86
ETIMER (Function code 86)Shows 26 hour increments in 24 hours.
Posted by Rushi Shroff on 24 November, 2011 - 11:20 pmApplications of Drives in the industry
Applications of AC/DC Drives
Posted by Thomas on 24 November, 2011 - 4:47 pmProportional and integral control of tank system
Need Help in a simple control system for tank system
Posted by syurish on 24 November, 2011 - 7:07 amAll about Sensors
November 2011 issue of the International Frequency Sensor Association Newsletter
Posted by YZ on 24 November, 2011 - 2:34 amMARK VI Back Up HMI
Preparing MARK VI Back up HMI
Posted by Ahmed on 24 November, 2011 - 1:00 amI&C Quality Issues
Quality & punch list items
Posted by Jigar Parikh on 23 November, 2011 - 5:29 pmGE Frame 6b GT firing temperature
GE Frame 6b GT firing temperature calculation
Posted by Muhammad Tayyab on 23 November, 2011 - 7:56 amHydrogen Purity meter Installation Guidelines
Installing a Hydrogen Purity meter would like some guidelines
Posted by Ehsan on 23 November, 2011 - 1:34 amHumming problem in Siemens GT V94.2
information about V94.2 combustor humming/tile damage.
Posted by Rickwell on 23 November, 2011 - 12:06 amInstalling RSLogix V16
Error when installing RSLogix V16
Posted by kmkn on 22 November, 2011 - 11:08 pmCitect cicode sql
using cicode to display sql data
Posted by Laurent F on 22 November, 2011 - 10:12 amIs there a method to dump MKVIe Variables ?
Is there a method to dump MKVIe Variables, like you can do in MKV with the Dump.exe?
Posted by Juan Carlos on 22 November, 2011 - 9:32 amParallel Transformers with Different Impedance
Parallel XFMR with different %Z
Posted by Kamran on 22 November, 2011 - 7:10 amChemical filter for Control Panel
Want to replace filter with chemical filter due to highly corrosive environment from sulfur and copper on I/O modules.
Posted by aryan on 22 November, 2011 - 6:05 amVacuum Circuit Breaker
No of switching operation of a breaker ?
Posted by RR on 22 November, 2011 - 5:13 amHART COMMUNICATOR
HART communicator can communicate to Negative to GROUND?
Posted by innercalm on 22 November, 2011 - 3:12 amCompressor unload control
Request for help controlling the load/ unload cycle of compressor that lacks an external input for same
Posted by Chrono on 22 November, 2011 - 2:42 amTransfer Function of the Voice Coil Motor
How to construct the transfer function of a voice coil motor?
Posted by Trevor on 21 November, 2011 - 3:37 pm1920x1080 touchscreen
Wide touchscreen for Factorytalk server with screens designed for 1920x1080
Posted by rmarotta on 21 November, 2011 - 11:53 am4 - 20 ma. to ethernet
Inexpensive wi-fi monitor to display 4-20ma. signal in a web browser.
Posted by Bhaskar Mittal on 20 November, 2011 - 11:27 pmTank filling line vavles for H2SO4 and for NaOH
1. Valves between Tanker to tank filling line for H2SO4 and for NaOH
2. Total Organic Carbon Analyzer
3. Oil & Grease Analyzer
2. Total Organic Carbon Analyzer
3. Oil & Grease Analyzer
Posted by James on 20 November, 2011 - 11:04 pmReverse connections of DP transmitter
What will happen to a rosemount 3051SCD transmitter if process connections are reversed.
Posted by calvein on 20 November, 2011 - 11:55 amHydraulic supply problem in GT
Usage of hydraulic oil in GE Frame V gas turbine
Posted by McCarthy02 on 20 November, 2011 - 10:47 amPID Controller
DC Motor Speed Control using PID
Posted by DAMENE Amar on 20 November, 2011 - 8:33 amTrip History Log
Problem with Trip History Log Program on Speedtronic Mark 5
Posted by renato on 19 November, 2011 - 6:47 pmexcitation voltage
Verification on excitation voltage/current effect on large induction motors
Posted by Pavel on 19 November, 2011 - 1:51 pmOmron FINS protocol realization at PC side using Qt(C++)
Omron FINS tcp/ip driver using QTcpSockets
Posted by Begineer on 19 November, 2011 - 11:20 amControlling a servo valve
Controlling a servo valve
Posted by amir on 19 November, 2011 - 9:34 amFatek PLC & citect communication
Fatek PLC & citect communication
Posted by rzeznik on 19 November, 2011 - 8:03 amCommunicating with Hart, Fieldbus etc.
software for calibration - Communicating with Hart, Fieldbus etc. using one comms cable
Posted by labik on 19 November, 2011 - 3:06 amTwido + XV-252 HMI by Moeller Modbus TCP
Problem with communication of Twido and XV-252 HMI panel.
Posted by BIL07 on 19 November, 2011 - 12:14 amMARK V TMR Trip
Mark V TMR trips but still seems to run normally
Posted by Kiran Kumar on 18 November, 2011 - 11:10 pmOrifice Plate Design
What is the role of Drain Orifice in an Orifice plate? In what kind of applications it is used.
Posted by Ken E on 18 November, 2011 - 3:19 pmKeyence KV software
Does the latest version of Keyence software support the original Keyence KVs? (KV10, KV16, KV24, KV40)
Posted by engineer on 18 November, 2011 - 8:04 amlag time utility in control system
lag time utility in control system
Posted by Kshitiz on 18 November, 2011 - 7:46 amModbus and meters
Is Modbus protocol same for every electronic meter?
Posted by sram on 18 November, 2011 - 3:52 amPressure guage drawings
Hook up drawings - pressure gauge with siphon
Posted by Kiran Kumar on 18 November, 2011 - 1:55 amConcentric vs Eccentric Orifice plate
What are the differences between a Concentric and an Eccentric Orifice plate?
Posted by PANDU1232 on 17 November, 2011 - 3:47 pm2 OF 3 VOTING
SIL loop of 2 of 3 voting
Posted by Michael on 17 November, 2011 - 2:45 pmLinking error with Modbus TCP/IP
Trying to compile project created in Microsoft Visual Studio 2008 will not get past linking stage. Output says unresolved external symbol for ModBus functions
Posted by dinster on 17 November, 2011 - 10:20 amWhat is a Data Set in ABB Advant MB300 Network?
Need to know what is Data Set in ABB Advant MB300 and how to create it?
Posted by John Longden on 17 November, 2011 - 7:14 amASME and API
Can anyone tell me where I might obtain free copies of ASME Boiler and Pressure Vessel Code and also API Recommended Practice 510
Posted by daro on 17 November, 2011 - 3:31 amPLC Java Interface
PLC Java Interface
Posted by Mangesh on 16 November, 2011 - 10:52 pmIEC 60870-104 Protocol
Communication issue with protocol IEC 60870-104
Posted by fai on 16 November, 2011 - 9:56 pmCompressor Discharge Temperature
Compressor discharge temperature only slight increase after compressor blades fouled
Posted by benlim on 16 November, 2011 - 8:35 pmEx proof generators
Ex proof generators
Posted by KKK on 16 November, 2011 - 8:25 pmUK safety rules
Low voltage safety rules
Posted by Mohamed salem on 16 November, 2011 - 3:31 pmHow to Add signal point to cimplicity Diagram?
How to Add signal point to cimplicity Diagram?
Posted by Fateh on 16 November, 2011 - 3:00 pmweb-based, HMI / SCADA software
web-based, HMI / SCADA software to monitor fire signals
Posted by Ken Crater on 16 November, 2011 - 11:44 amAutomation List returns from breakage
Posting from Automation List has been restored.
Posted by Konstantinos on 16 November, 2011 - 8:55 amOrifice Plate Dimensions
Orifice Plate Dimensions for specific flow rate.
Posted by Christozz on 16 November, 2011 - 7:49 amShunt motors
DC motor wave wound formular
Posted by Eissa Allam on 16 November, 2011 - 4:42 amControl system demolition plan
finding a proper demolition plan for existing control system
Posted by Ayed on 16 November, 2011 - 2:45 amSelecting mist separator blower
need to select a new vent pipe line blower
Posted by Chris Rile on 15 November, 2011 - 10:31 pmTTXn sorting
How does GE Mk 4( 5, 6) sort thermocouple inputs into ascending order by temperature and keeps track of the thermocouple numbers for determining adjacents?
Posted by brent on 15 November, 2011 - 9:57 pmis the wild leg used for motor start up or is that false?
I am in a lineman apprenticeship and I am confused about the wild leg.
Posted by jp on 15 November, 2011 - 9:39 pmLooking for SILC 150 manual
Need a copy of AB slic 150's software user manual
Posted by Doug on 15 November, 2011 - 1:33 pmAVR paralleling
How generators react when voltage is changed.
Posted by Tushar on 15 November, 2011 - 9:57 amMake serial port ON-OFF for finite number of times
I want to make serial port ON-Off continuously for finite number of times.
Posted by DMAR on 15 November, 2011 - 8:02 amMost forgiving I/P transducer...
Which I/P transducer is the most forgiving of less than optimal air?
Posted by Randheer on 15 November, 2011 - 7:24 amMicrologix Remote IOs
Architecture Query for connecting limit switches
Posted by MoMo on 15 November, 2011 - 6:12 amStart up counter of LM2500 with Mark VI
start up counter make 3 incrementations in just one start up
Posted by do quang tung on 15 November, 2011 - 5:01 amReplacing 7200 monitoring card of Bently Nevada
Replacing 7200 monitoring card of Bently Nevada by new model or other manufacturer. please help giving me any suggestion about this problem
Posted by Yaarub Ghannam on 15 November, 2011 - 12:47 amquick opening MOV.
Quick opening MOV.
Posted by Umair Ahmed on 14 November, 2011 - 2:57 pmLQR
Linear Quadratic Control Systems
Posted by GT on 14 November, 2011 - 7:42 amwhat adhesive to use for Flender gear
how to choose your adhesive? Loctile or loxeal
Posted by Amit Barve on 14 November, 2011 - 7:24 amVFD driven Motor
VFD (18.5KW) Driven motor Power During Normal operation.
Posted by Shree on 14 November, 2011 - 7:22 amFAL Instruction In Logix 5000
How to reset array of Timer / Counter using FAL Instruction In Logix 5000
"I don't mind going nowhere as long as it's an interesting path."
-- Ronald Mabbitt