Posted by Gaurav Tyagi on 18 April, 2012 - 8:05 amModbus in CitectSCADA
Modbus Communication in CitectSCADA 7.20
Posted by Justin on 18 April, 2012 - 7:10 amRecalibrating a Gauge Pressure Transmitter to be a vacuum pressure even if its not absolute type categorised?
Can a Gauge Pressure Transmitter be recalibrated for vacuum pressure even if its not absolute type categorised?
Posted by AHMED RASHAD on 18 April, 2012 - 5:30 amstartup fuel flow excessive
before fire, mark 5 gas turbine tripped by startup fuel flow excessive
Posted by Ashiq on 18 April, 2012 - 3:54 amPCU went offline due to IMASO01
Suddenly all the Cards of Infi90 Process control unit(PCU) turned in error mode staus LED Red.
Posted by Chuck McDonough on 17 April, 2012 - 3:09 pmJBUS Bluetooth Device
I am looking for a device that can plug into a jbus connector and stream data via bluetooth
Posted by Andrew Delgado on 17 April, 2012 - 3:05 pmPLC panels in hazardous areas
I have a PLC panel in a nema 4x enclosure all components are rated class1 div2 so that no purge is needed on the panel. now my question is if my panel is rated class 1 div 2 are seals needed.
TempIR/ Hart/ Intrinsically safe
TempIR/ Hart/ Intrinsically safe
Posted by Hoo on 17 April, 2012 - 1:39 pmwhat does [EEXia] on transmitter module board mean?
a magnetic flow meter with [EEx ia] on the electronic modules and no EX marking on the tag plate can be considered as intrinsically safe EEX ia or not?
Posted by M.Iqbal Sarwer ( KAPCO ) on 17 April, 2012 - 11:48 amHRSG
What does the term Lay Up mean when referring to protecting HRGS from corrosion during main outages
Posted by Laban on 17 April, 2012 - 3:41 amRouting ABB Freelance data
Is it possible to send ABB Freelance AC700F messages over a public internet connection using VPN?
Posted by RuchiNagpal on 17 April, 2012 - 2:45 amAutomation in Blower
Automation of furnace cooling blowers
Posted by Thermal Performance on 16 April, 2012 - 4:33 pmControl Curve Constants
do I have to re-tune a unit if I had mistaken the RH value on the control curve constructor
Posted by Pavel on 16 April, 2012 - 1:52 pmEquipment for calibration rotary natural gas meters
Where I can find equipment for calibration rotary natural gas meters?
Posted by saravanakumar on 16 April, 2012 - 1:31 pmsliding pressure operation
difference between constant pressure operation and sliding pressure operation of boilers
Posted by Rob Van Frank on 16 April, 2012 - 10:28 amInTouch9.5 ,opclink, Matrikon
WW Opclink will not communicate with Matrikon S7 server on same PC.
Posted by Carl on 16 April, 2012 - 10:18 amLaptop Serial Ports!
Lack of serial ports on modern laptops
Posted by shayan on 16 April, 2012 - 5:59 amElectric Bike - Generating Electricity
generate electricity on the go using a bicycle
Posted by Control on 15 April, 2012 - 5:29 pmOperating Gas Turbine in RMC Mode
Questions about operating Gas Turbines in RMC mode.
Posted by gefi on 15 April, 2012 - 6:16 amPassive trip amplifier
Does anyone know if there are available passive trip amplifiers?
Posted by Paul Choyce on 14 April, 2012 - 11:24 pmFuel tank demarcations
I am a long haul truck driver with a faulty fuel gauge.
Posted by lanxe on 14 April, 2012 - 7:33 pmprogramming a camera control (AZPT) using vb using modem
i am trying to create a virtual keyboard that can do azimuth, pan, tilt control for my remote camera.
Posted by Zihni on 14 April, 2012 - 11:14 amLZZ Coil
I'm Zihni. I'm from Turkey. I have been working in a Combined Cycle Plant Power.
Posted by Pat Harris on 14 April, 2012 - 10:30 amApp to Import / Export HPM Exception Build Files to/from ACCESS or Excel?
Anyone know of a tool to Import / Export HPM Exception Build Files to ACCESS or Excel?
Posted by myself on 14 April, 2012 - 3:48 ammodscan32
issue with modscan32 writing
Posted by Eng Omer on 14 April, 2012 - 1:51 amConnecting PC to Simulator Card
kindly help us to complete the connection work between the my PC and the simulator card (UCVG)
Posted by srikantan on 14 April, 2012 - 12:13 amC++ IN VXWORKS
i'm fresh to vxworks and I find lot of bugs in creating my first c++ code in Workbench3.3.Please help
Posted by Mfatima on 13 April, 2012 - 6:44 pmLQR control design with un certainty
this is about the design of LQR Controller with un certainties.
Posted by Gianpiero on 13 April, 2012 - 4:45 pmNaming convention for motion control projects
Is the tag naming convention used for motion control projects the same as for the process control (ISA)?
Posted by ISMAIL on 13 April, 2012 - 12:19 pmISAGRAF5 and SCADAPACK
ISAGRAF 5 and SCADAPACK
Posted by AG on 13 April, 2012 - 11:42 amGE FR9E GT Charge Pump
Function of Charge Pump in GE Frame 9E GT
Posted by Bill Hendrix on 13 April, 2012 - 11:04 amVB module with Automation Direct DL-205
Solution needed to utilize VB with a DL-205
Posted by the8thdwarf on 13 April, 2012 - 10:32 amAn increase in Inlet Filter dP would cause what?
What would happen if the Inlet Filter dp Increases?
Posted by Mohamed salem on 13 April, 2012 - 1:19 amTOSMAP Toshiba control system problem in SVS1&2
problem in Toshiba HMI SVS1&2 while calling a logic.
Posted by robb on 12 April, 2012 - 8:11 pmClearSCADA and ViewX
Information display only, just need some pointers for ViewX
Posted by W.L. Mostia on 12 April, 2012 - 5:57 pmPROVOX IFC Controller
Need technical description of a PROVOX IFC controller
Posted by scott Bartoszek on 12 April, 2012 - 5:08 pmbailey infi90
Question regarding Bailey infi90
Posted by Pirate on 12 April, 2012 - 2:41 pmVibration in bearing becomes alarming when load increases above 25 MW
Vibration in No.1 bearing becomes alarming when load increases above 25 MW in Frame 6 GT
Posted by Fluoronator on 12 April, 2012 - 9:25 amEthernet I/O
Looking for simple, bare bones Ethernet I/O.
Posted by Luiz on 12 April, 2012 - 9:20 amUnity Pro X Emerson - 3051 Pressure Transmitter with Profibus
Using DTM-GSD of 3051 Pressure Transmitter
Posted by jigs99 on 12 April, 2012 - 8:25 amMark V HMI .img Image conversion
What software can convert Mark V HMI images from .img to .jpg?
Posted by roberto arciniega on 12 April, 2012 - 8:06 amelectrostatic treater interfce level control
We have a Ktek Capacitance type level transmitter to measure the interface and it is part of a LIC and LCV. We have checked the calibration and it is ok. In a current normal operation crude is flowing along with the water on the water line.
Posted by Shahid Khan on 12 April, 2012 - 7:02 amCapillary type Seal Transmitters
Queries - Instrument & Control section - Capillary type pressure transmitters
Posted by paru on 12 April, 2012 - 12:41 amOvercurrent/overload settings of transformer
How to set the overcurrent value for a transformer with many taps?
Posted by rezwan on 11 April, 2012 - 6:45 pmReative power loss of transformer
Need to find the reactive power loss of a transformer
Posted by antonio34 on 11 April, 2012 - 12:41 pmAC800 with ET200
Experience with ABB AC800 using Siemens ET200 via profibus
Posted by Thirumoorthy on 11 April, 2012 - 7:49 ammodbus stack slave source code
i want modbus stack slave as well as master source code
Posted by Mohammed Ismail on 11 April, 2012 - 5:08 amCalculating Turbine Speed
Calculating turbine speed obtain at different exhaust gas produce by an IC engine.
Posted by Jakub on 11 April, 2012 - 2:45 amConversion UNVTs to SNVTs possible?
Is it possible to convert UNVTs to SNVTs in the LNS environment (e.g.LonMaker)?
Posted by rohil on 11 April, 2012 - 1:51 amLooking for tutorials on DCS concept
where to get tutorials to understand dcs full concept
Posted by G.Rajesh on 11 April, 2012 - 12:51 amMoog valve cleaning with thinner
Is it good practice to clean Moog valve with thinner or what is your opinion for Moog servo valve service?
Posted by scott bartoszek on 10 April, 2012 - 4:51 pmBailey Infi90 help
I am looking for help or information on how to get the data for the Bailey Infi90 to our historian.
Posted by slmn on 10 April, 2012 - 3:23 pmexhaust temperature thermocouple fault
what will happen to the load and turbine inlet temperature when one exhaust thermocouple fault
Posted by Brendan on 10 April, 2012 - 1:09 pmMomentum Upload Error OL9-1666 help
Momentum Upload Error OL9-1666
Posted by Fieldbus query on 10 April, 2012 - 10:57 amFoundation Fieldbus going back to defaults
Foundation fieldbus positioner going back to factory defaults
Posted by Paul Kraemer on 10 April, 2012 - 9:44 amE-Stop protective collar
Looking for E-Stop protective collar
Posted by Stuart on 10 April, 2012 - 7:08 am5 Limb Transformers
What is the relationship between a 5 Limb core and keeping the Z% low in a transformer?
Posted by cris on 9 April, 2012 - 3:23 pmIgniter Circuit
Igniter alarm circuit to get an alarm if Igniter is not working
Posted by Liaquat on 9 April, 2012 - 1:52 pmCommunication between Modicon plc and ABB DCS
Communication between Modicon plc and ABB DCS freezes
Posted by s on 9 April, 2012 - 1:42 pmtransformer inrush current
is that possible to charge the power transformer rating of 5MVA (22/11KV) with 5MVA alternator at 0.8 power factor
Posted by sreenath on 9 April, 2012 - 9:21 amInquiry about cable size difference and its problems
Instrument cable size difference and possible problems when other cables are substituted
Posted by Transporter on 9 April, 2012 - 7:46 amLVDT reading is not following Moog servo valve command
LVDT reading is not following Moog servo valve command
Posted by Selšuk Kaya on 9 April, 2012 - 3:39 amModule for MODBUS RTU to IEC 61850
Any suggestions on using which brand's module or any other type of solution to accomplish this task?
Posted by paru on 9 April, 2012 - 12:51 amGhost image of server and clients ABB 800xA
Changing the ghost image of servers and clients ABB 800xA
Posted by Bharath on 8 April, 2012 - 11:55 amOn-Off Differential for Pressure/Temperature switches
What are On-Off Differential for Pressure/Temperature switches?
Posted by phd on 8 April, 2012 - 10:46 am6B Gas Turbine
When Grid disconnected suddenly both GT's reached to the island mode. Both GT's on the DROOP mode. We were trying to keep one m/c on ISOCH mode & other on the Droop mode.
Posted by salman on 8 April, 2012 - 2:46 amcompressor discharge pressure corrected
cpd corrected, to correct cpd to make a comparison
Posted by ASHISH on 7 April, 2012 - 11:09 pmAlternator circulating currents
Questions about alternators sychronised with the grid and off course parallel with each generating some MW and MVAR.
Posted by RogerFL on 7 April, 2012 - 6:13 pmGrill Controller PID
Integral term relationship with a bias
Posted by Mustapha on 7 April, 2012 - 4:09 pmCommissioning Speedtronic Mark-VIe
Problems encountered when commissioning Mark-VIe
Posted by Mahmoud on 7 April, 2012 - 4:06 pmRimmed rib on perforated cable tray
What is a rimmed rib on a perforated cable tray?
Posted by gleaf on 7 April, 2012 - 10:46 amwater wash off-line
water wash problem
Posted by Contr01 on 7 April, 2012 - 6:47 amWhat is bandwidth for a wheel angle sensor
When you have a sensor to measure the front wheel angle of a car, what is the bandwidth of the signal?
Posted by Allen on 7 April, 2012 - 1:34 amLon SNVT to Modbus Data Type CSV converter
SNVT to Modbus data type translation
Posted by paru on 7 April, 2012 - 12:44 amStoring trends/alarms/events for longer period-ABB800xA
Storing trends/alarms/events for longer period-ABB800xA
Posted by Steve orton on 6 April, 2012 - 7:33 pmCellular Communication to a remote PLC
Cellular data usage to a remote OLC
Posted by Mike on 6 April, 2012 - 2:21 pmPanelview 1400e - connection of touch screen to computer board
Connector to J4 from touch screen can be put on two ways.
Posted by Amar Patil on 6 April, 2012 - 1:48 pmAutomising steam in FO fired Boiler
What is the exact meaning of automising steam in FO fired Boiler
Posted by mattia bruno on 6 April, 2012 - 6:14 amModBus Timeout error
Getting connection timeout error for ModBus RTU no matter what devise, baud rate or slave ID used
Posted by cris on 5 April, 2012 - 11:28 pmCombining ports for Modbus slaves
combining two modbus slaves into a single port.
Posted by cris on 5 April, 2012 - 10:24 pmDLN and Non DLN Combustors
What is the difference between DLN & Non DLN combustor?
Posted by M on 5 April, 2012 - 7:25 pmModbus Master & Slave Code for PIC24F and dsPIC33F?
In terms existant PIC code, what are my master and slave Modbus implementation options?
Posted by M on 5 April, 2012 - 5:30 pmDynamic Slave Address Assignment?
Modbus allows master to configure slave addresses? How?
Posted by Timmy on 5 April, 2012 - 4:57 pmMagnetic Flow Tube Cleaning
I need the recommended procedures for cleaning a magnetic flow tube that will minimize the risk of damage while cleaning.
Posted by marwanco on 5 April, 2012 - 3:48 pmPID with 2 cylinders
PID with 2 cylinders
Posted by vijay on 5 April, 2012 - 2:11 pmMark VI Simulator
Looking for recommendations and source for Mark VI Simulator
Posted by Omar Casta˝eda on 5 April, 2012 - 10:34 amRecipe Rsview studio
Delete recipes on runtime rsview studio HMI
Posted by Hisrab on 5 April, 2012 - 9:29 amMS 6001b Manual Speed Changer
Question about MS 6001b Manual Speed Changer RPM data
Posted by charzree on 5 April, 2012 - 9:13 amCT saturation when starting an induction motor
CT saturation when starting of induction motor
Posted by Luca Gallina on 5 April, 2012 - 3:57 amNetToPLCSim server on Win7 x64
NetToPLCSim server on Win7 x64
Posted by MonitorMan on 4 April, 2012 - 1:39 pmQuestions about Modbus data model with only 1 block
Questions about an implemented Modbus data model with only 1 block
Posted by prashantha on 4 April, 2012 - 8:42 ammodbus rtu host
sample source code for modbus rtu in embedded c.
Posted by sensorless on 4 April, 2012 - 4:51 amAC Drives
Replacing the star delta starter with a variable frequency drive
Posted by engrHafeez on 4 April, 2012 - 3:54 amconnecting MatrikonOPC Server to a Modbus Serial Device
connecting MatrikonOPC Server to a Modbus Serial Device
Posted by Nesreen on 4 April, 2012 - 2:19 amHelp needed concerning opc factory server
I can't coomunicate My TWIDO TWDLCAE40DRF with opc factory server.
Posted by Bman on 2 April, 2012 - 5:52 pmWhat kind of modbus RTU chipset do I need?
Modbus RTU implementation package, including chip and firmware?
Posted by Tech on 2 April, 2012 - 1:34 pmTCP/IP - Two Modbus RTU Slaves
Using SCADA system to two Modbus slaves, communication issues.
Posted by Mark-V learner on 2 April, 2012 - 10:56 amDLN mode guide
what are all the DLN's mode and what does premix, extended lean lean, secondary xfer mode mean?
Posted by Mark-V learner on 2 April, 2012 - 10:54 amCPD and P2 transmitter fail notification
CPD or P2 transmitter fails, but we are not getting alarms or detection in the Mark-V.Is
Posted by Bhargav Purohit on 2 April, 2012 - 8:50 amCitect Driver and Modbus
Citect driver understanding
Posted by adam on 2 April, 2012 - 4:41 amgas turbine lube oil header pressure
what will change if increase header pressure to 3bar in MS60001b
Posted by jony wibawa on 2 April, 2012 - 4:33 amflame sensor for tip burner monitoring
Can somebody tell us equipment that can monitor tip burner condition for gas turbine like GE frame 9e?
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