Posted by Ibrahim Abdelmohsen on 30 April, 2013 - 2:15 amDCS working as Hart Communicator
new DCS system will be installed. I would like to use my DCS workstations as Hart communicator with the field transmitters
Posted by Tiderunner on 29 April, 2013 - 1:26 pmHach SC200 Controllers
Is anyone else having problems with the HACH SC200 Controllers? We have issues with Temperature spikes.
Posted by chavez on 29 April, 2013 - 4:13 amS7 300 Issues - Changing values in Data Base
problems with DB blocks in simenes s300 processor
Posted by ALI NAAS on 29 April, 2013 - 1:26 amGas composition & Gas metering
Gas composition effect on gas metering.
Posted by Brad on 27 April, 2013 - 8:25 pmFormula for Corrugated Tank Volume
Trying to find a formula/calculation.
Posted by Djafer on 27 April, 2013 - 2:11 pmGas Turbine hunting MS 5001
Frequency hunting in Ishoo Mode
Posted by D.Ryan on 27 April, 2013 - 12:18 pmcalibration and troubleshooting Model 6650 Oil-in-Water Analyzer System
erratic and inconsistent reading of Model 6650 Oil-in-Water Analyzer System.
Posted by GM on 27 April, 2013 - 5:32 amTo remove the steam turbine tripping from Trip Oil
Why tripping given for steam turbine for trip oil
Posted by torcy27 on 27 April, 2013 - 4:26 amHow to connect PLC with RS422 port to graphics AFE software with RS232 port
Looking for the pinout connection between a Ti-545 PLC using RS422 and PC using RS232
Posted by Lekie on 26 April, 2013 - 7:31 pmEx2000 Communication
Communication problem with Mark V and EX2000
Posted by Carlos Federico on 26 April, 2013 - 5:00 pmControl Panel designing
looking for books about Panel Design guide
Posted by Lukmas on 26 April, 2013 - 3:07 amGenerator Current and Voltage Asymmetry Settings
How to determine the current and voltage asymmetry settings for a generator protective relay.
Posted by Jared Hankovsky. on 25 April, 2013 - 10:05 pmTransformers feeding different sources with primarys in parallel.
Multiple transformers being powered up simultaneously is blowing fuses on the primary side. When powered up one at a time the fuses hold fine.
Posted by Phil G on 25 April, 2013 - 6:01 pmClass I Div I application help
How to install a VFD in an explosion proof application?
Posted by Mark Riche on 25 April, 2013 - 12:41 pmMicroLogix RTD cards
Measurement errors in Allen Bradley MicroLogix RTD cards
Posted by Curtis Brown on 25 April, 2013 - 12:20 pmLooking for source of manual control units
Our process control systems are run by PLCs and have manual backup panel mounted in the control room. The OEM has gone to a semi- computerized MBU.
Posted by Jim Pinto on 24 April, 2013 - 9:24 pmJimPinto.com eNews 25 April 2013
The latest JimPinto.com - Connections for Growth & Success No. 313 - 25 April 2013 is on the web
Posted by engineer on 24 April, 2013 - 10:45 amSteam flow through valve
Steam flow through a valve
Posted by Dave on 24 April, 2013 - 10:42 amSimulating a Turbine Generator
Need some info on modeling AC generation.
Posted by Shaiq Bashir on 24 April, 2013 - 6:17 amArcnet Distance Information Required
Maximum allowable distance between a controller and an HMI station over arcnet cable.
Posted by V.Rajeswari on 24 April, 2013 - 6:01 amSliding mode control method
I want to know how to choose parameters for sliding mode control method
Posted by G.Rajesh on 24 April, 2013 - 1:56 amAir inlet DP high
Air inlet greater than the alarm limit (180 mmH2O)
Posted by Santanu Das on 24 April, 2013 - 1:03 amCore saturation of Electrical machines
Why does a core (say for ex of a transformer/or an alternator) saturate?
Posted by Billy on 23 April, 2013 - 11:56 pmEmerson ControlWave Micro serial microwave radio
Controlwave micro comms
Posted by pete_r61 on 23 April, 2013 - 8:33 amEducational simulator Master/Slave
Looking for an educational software simulator for modbus and/or CAN fieldbus system.
Posted by Ayed on 23 April, 2013 - 5:53 amGTG starting clutches
We have in our gas turbine frame 7E a problem of failure to start due to starting clutch disengage.
Posted by Laijth on 23 April, 2013 - 3:32 amTuning of PID controler
Can somebody explain to me how to tune a flow control loop? And about integral time and gain?
Posted by Rokan Uddin on 22 April, 2013 - 3:52 pmSiemens V94.2 Gas Turbine Exhaust Temperature Measurement
Looking for information on Siemens V94.2 Gas Turbine Exhaust Temperature Measurement
Posted by PEF on 22 April, 2013 - 12:13 pmAir flowmeter
Where to get a flow meter either softwareless or qualified
Posted by ashu on 22 April, 2013 - 6:59 amcurrent and voltage sources
Difference between current and voltage sources
Posted by Petre Popescu on 22 April, 2013 - 2:42 amTurbine flowmeter error
Turbine flowmeter reading much more than should be
Posted by Ahmad on 21 April, 2013 - 4:21 pmLoad Hunting on GE frame 7
Fuel and Load Hunting after Full speed and massive with generator breaker closed
Posted by stev on 21 April, 2013 - 1:24 pmequal percentage valve
equal percentage valve ma signal
Posted by Hassan Wahby on 21 April, 2013 - 10:52 amDigital Process Controller
Looking for a small digital process controller
Posted by SALVADOR on 20 April, 2013 - 9:43 amGE servovalve moog G771K616
G771 Moog servovalve and a G123-825 buffer amplifier for a gas turbine.
Posted by eekks on 19 April, 2013 - 6:31 pmBLDC transfer function from step response
can anybody give me a method to work out the transfer function from a step response?
can anybody give me a method to work out the transfer function from a step response?
Posted by Tim Ricketts on 19 April, 2013 - 11:45 amInterposing Relay Testing
Would you say that testing of interposing relays is important outside of the nuclear industry?
Posted by dkguerry on 19 April, 2013 - 9:52 amIron in IP Boiler
Iron in IP Boiler
Posted by Searching on 19 April, 2013 - 5:44 amDiffuser leakage
Posted by sriram sandeep on 18 April, 2013 - 7:49 pmWhy we kept synchronisation breaker separately for Gas turbines
Why we need to kept GCB as a synchronisation breaker for gas turbine instead of using the line breaker as like steam turbine..
Posted by sriram sandeep on 18 April, 2013 - 7:44 pmGT Base Load to Full Speed No load
How to bring GT from Base load to Full speed no load manually??
Posted by Ali.R on 18 April, 2013 - 5:02 pmModbus TCP/IP communication Modicon M340 to GE PAC RX3i
We need to setup Modbus TCP/IP communication between "BMX NOE 0110" (Modicon M340 module) and "IC695ETM001" (GE PAC RX3i module).
Posted by Michael Toecker on 18 April, 2013 - 11:04 amGeneration Cyber Security Training May 17th
Cyber Security training for Power Generation Professionals, May 17th outside of Chicago.
Posted by Suman on 18 April, 2013 - 2:24 amSelection of Gas turbine for a combined cycle power plant
Procedure for selection of gas turbine and steam turbine for a combined cycle power plant.
Posted by MAZHAIARASAN on 17 April, 2013 - 9:20 pmGBC FAILURE
GasBooster compressors could not be started after a sudden dip in grid. Thrust pads of High speed shaft in gear box completely damaged. Compressor bearings found no damage. Is there any chances of Antisurge valve malfunctioning?
Posted by Stephen on 17 April, 2013 - 5:42 pmWhat to do when the outgoing line breaker trips?
what are you to do when outgoing line breaker trips
Posted by ESKAY on 17 April, 2013 - 1:54 pmMk6b control status
Mk6b control status. status is showing minor difference.
Posted by Rushi Shroff on 17 April, 2013 - 2:23 amImportance of "ENGLISH" in Automation Engineering
proficiency on ENGLISH language for Automation
Posted by cheers73 on 16 April, 2013 - 11:51 pmDefining a critical instrument
Is there a standard methodology to identify critical instruments?
Posted by Roy on 16 April, 2013 - 5:22 pmAnalog I/O Module - What can be the fault?
What can be the fault in analog I/O module
Posted by Jim Pinto on 16 April, 2013 - 12:26 pmCybersecurity - Product or Service?
"Cybersecurity - Product or Service?"- published by Automation World, April 2013
Posted by Vatsal Trivedi on 16 April, 2013 - 6:44 amModbus protocol function codes
Need Information about function codes from 30 - 40
Posted by Mohamed Salem on 15 April, 2013 - 4:45 pmBack Pressure Control Mode In Toshiba steam turbine D-EHC control system
What is the Back pressure mode in Toshiba steam turbine ?and what is the running condition for this mode?
Posted by André Roussey on 15 April, 2013 - 4:27 pmFlow capacity of a Valve
Flow capacity of a Valve when changing the maximum flow
Posted by Warhawk on 15 April, 2013 - 12:30 pmSIL2 System Design using Control Logix
SIL2 System Design
Posted by Tommy Tollin on 15 April, 2013 - 9:59 amWonderware InTouch Alarms
How an alarm could not be displayed when the bit is reset and the alarm is off
Posted by mhwest on 15 April, 2013 - 8:57 amMK-V Date-Time in Historian
I would like to add the MK-5 Date and Time to a historian.
Posted by AB on 15 April, 2013 - 6:37 amTapping points for different processes
Trying to work out tappig points.
Posted by Shabbir on 15 April, 2013 - 3:44 amMark VIe PDIO Failures
Mark VIe PDIO cards failing very frequently. We are looking for a company to conduct an RCA on the failures and provide corrective actions to minimize/eliminate failures.
Posted by Kiwifrank on 14 April, 2013 - 10:37 pmYSF6 Switchgear VT
We are derating a 22kV YSF6 panel to 11kV. We need 2 x 11kV/110V SQRT3, 3p, class 0.5 50VA busbar mounted VTs.
Anyone know we can get some
Anyone know we can get some
Posted by OZguy on 14 April, 2013 - 4:31 pmHazardous Area Certificate for Mechanical Equipment
We are installing a multi turn pneumatic actuator for a gate valve, which runs on hydrocarbon gas. Do we need a hazardous area certificate for the rotary actuator?
Posted by Mohamad Nazzal on 14 April, 2013 - 7:26 amMotor power maximum
what is the accepted margin between motor power and pump-maximum power?
Posted by Joshua on 14 April, 2013 - 6:09 amModicon 200 I/O
Modicon Quantum PLC with 200 I/O as remote I/O
Posted by Lee McCartney on 13 April, 2013 - 5:43 pmABB ACS800 VSD Profibus DP to Yokogawa Centum VP
Having problems reading all the required words into Centum.
Posted by Hans Muller on 13 April, 2013 - 12:29 pmRockwell 1747-OC Open Controller
Need to know who is supporting a more than 10 years old obsolete system from Alan Bradley / Rockwell
Posted by Sakram on 13 April, 2013 - 12:09 pmRTD
RTD PT110 and PT10 connection to DCS RTD Module in Yokogawa Centum VP.
Posted by mahnmooud on 13 April, 2013 - 11:51 amInstrument couse for Construction
I'm working in the instrument construction field, i would like to ask all of you if somebody knows some cources can increase our skills?
Posted by ZHAK on 13 April, 2013 - 11:32 amRecycle Valve control from remote location
We want to control recycle valve of a compressor installed at remote site from Main control room 50KM away.
Posted by Santanu Das on 13 April, 2013 - 11:04 amWhen 2 out of 3 poles of the circuit breaker of a Generator are closed
What will happen when 2 out of 3 poles of a 220 kv circuit breaker of a 330MVA Generator (of a steam power plant) is closed and one open when the generator (via GT) is connected (or synchronized)with 220kv bus?
Posted by ashu on 13 April, 2013 - 6:38 amSCADA to powerpoint
SCADA to PowerPoint communication
Posted by erin on 12 April, 2013 - 11:08 pmPLC project
Working on Project. Still in idea stage. Got one, but not sure if within the realm of reality considering my abilities...Just looking for someone experienced to yes or no whether this would work.
Posted by Bita on 12 April, 2013 - 12:04 pmGas turbine control
Gas turbine fuel control
Posted by gsh on 12 April, 2013 - 8:08 amVibration Sensor Output
why vibration sensors output is adjusted for -10v for different sensitivity sensors?
Posted by ashutosh on 12 April, 2013 - 6:12 amLube oil filter on GE Frame 9FA
The lube oil filter on GE Frame 9FA machines only works when we are opening the 1/2" Filter drain valve.
Posted by koukos on 11 April, 2013 - 11:50 amload rate (stag ms9001fa)
Behavior of a power plant when its load rate (stag ms9001fa) drops.
Posted by Rockwell on 11 April, 2013 - 10:01 amHow to create password in Rs View SE SCADA
How to create password in Rs View SE SCADA
Posted by psingh on 11 April, 2013 - 5:38 amHMI for Purge Panels
HMI suitable for Purge Panels (Class 1 Div2)
Posted by SB on 11 April, 2013 - 3:04 amHoneywell Enraf Data Disappearnce
Enraf data display suddenly disappears.
Posted by umair on 11 April, 2013 - 3:00 amLEVEL TRANSMITTER 3300 SERIES ROSEMOUNT
When temperature fluctuates the level goes beyond correct level giving some peaks. How to control the level even if the temperature changes?
Posted by ars1981 on 10 April, 2013 - 5:44 pmcustody flow meter
custody flow metering
Posted by Sergey Chekh on 10 April, 2013 - 1:53 pmMavilor MO4500 Servo motor
Info for Mavilor MO4500
Posted by Lead plant engineer on 10 April, 2013 - 6:51 amOil floating in the bearing drain enlargement
Reasons for oil floating in the bearing drain enlargement
Posted by satyan on 10 April, 2013 - 2:32 amencoder count wrapping
Can any one help for coding encoder counts wrapping?
Posted by Jack on 9 April, 2013 - 6:39 pmConverting XBT-L1000 to Vigeo Designer file
Can a XBT-L1000 file be converted to a Vigeo Designer file?
Posted by Karl on 9 April, 2013 - 6:14 amCrouzet Millenium II programming cable
Crouzet Millenium II XT20 controller programming cable missing-
Posted by Shahab Ahmad on 9 April, 2013 - 3:27 amOPC Server for Honeywell Total Plant Alcont - TDC3000
I want to communicate with Honeywell Total Plant Alcont - TDC3000
Posted by geemul on 9 April, 2013 - 1:20 amHoneywell Experion R410
Legacy .dsp graphic files in R410
Posted by tq_ice on 8 April, 2013 - 5:08 pmRelease dates of DCS
Age of DCS systems
Posted by dotfix on 8 April, 2013 - 7:25 amModbus concurrent access
parallel reading registers using different ports
Posted by shine on 8 April, 2013 - 12:00 amiec 60870-5-101 communication
Connecting Emerson DCS with ABB IED with iec 60870-5-101 protocol.
Posted by praveen on 7 April, 2013 - 3:35 pmTemperature compensation for level sensing technique
Temperature compensation for density variation of air in hydrostatic measurement
Posted by edris on 7 April, 2013 - 10:35 amdeltav device control
difference between the command with 'discrete output function block' and the 'device control function block'
Posted by Santanu Das on 7 April, 2013 - 1:34 amElectronic Energy meter
Does an electronic blinks (though the pulse rate is too low, about one pulse in 8-10 min, in a rated 3200pulse/kwh meter) even when i am not consuming any power at all?
Posted by Sakram on 6 April, 2013 - 3:39 pm24VDC power supply fuse protection
24VDC Floating power supply fuse protection.
Posted by Rashid Iqbal on 6 April, 2013 - 2:10 pmCable Voltage Rating
Internal Panel Wiring Cable Voltage Rating
Posted by Rafluska on 6 April, 2013 - 7:27 amAdvice on how to reach Oil & Gas industry
I'm trying to find a way to go to work on an Oil plant.
Posted by bimal on 6 April, 2013 - 5:17 amDrum level measurement
drum level transmitter connection
Posted by syefano sormanni on 6 April, 2013 - 1:48 amModbus Exception 0x04
Modbus RTU Error 04H
Posted by papaya72 on 5 April, 2013 - 2:24 pmFinding Min and Max in AB SLC 500
Looking to find Minimum and Maximum values from a series of Register values.
Posted by khan on 5 April, 2013 - 7:54 amtemperature and velocity control of sandy air in duct
I need some help with selection of air velocity and temperature sensors & actuators that will work on hard environmental conditions inside the air-duct.
If I traveled to the end of the rainbow
As Dame Fortune did intend,
Murphy would be there to tell me
The pot's at the other end.
-- Bert Whitney
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