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Forum Archive
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Plug and Butterfly Valves
Posted by B N Vala on 2 April, 2017 - 7:43 am
What are the common features between plug valve and butterfly valve?
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Configuring Altivar 12 Remotely Using Logic Inputs
Posted by rs on 1 April, 2017 - 12:22 pm
I am really lost with all the settings needed to get an Altivar 12 working the way I want it to do..
2
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Differences between Servo and Vector PLCs
Posted by subhajitaich93 on 30 March, 2017 - 10:13 am
Differences between Servo PLC and Vector PLC and between Servo Inverter and Vector Inverter
3
replies
Rotational Direction of a Turbine Generator
Posted by Saul on 29 March, 2017 - 3:40 pm
Could you please help me clarify if the rotational direction of a turbine is always the same.
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TRICONEX 3806E AO Card Issues
Posted by Syed on 29 March, 2017 - 2:42 pm
TRICONEX AO CARD 3806E load fuse error
2
replies
Valve Sizing Equation
Posted by Saulo3535 on 29 March, 2017 - 1:11 pm
Puzzled by equation Q(SCFM) = 16.05 Cv ((P1^2 - P2^2)/ SGg T)^0.5
2
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How Does Imbalance in Transformer Secondary Affect Primary
Posted by davidmcc on 29 March, 2017 - 9:34 am
If a neutral current flows to earth on the secondary of a delta to star step down transformer, how are the primary currents affected?
6
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Radar Level Transmitter Fluctuation
Posted by VKGUPTA on 28 March, 2017 - 6:35 am
Guide Wave Radar Level Transmitter fluctuation
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Turbine Compartment Ventilation
Posted by khoriwal000 on 27 March, 2017 - 11:24 pm
Gas turbine compartment temperature
4
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Torque Converter and Turning Gear System in Gas Turbine
Posted by Tiru on 27 March, 2017 - 12:34 pm
Need to know about torque converter and turning gear system in gas turbine.
Programming SCL on Omron
Posted by TrustTech on 27 March, 2017 - 4:36 am
I need help to resolve a problem with a program using structured text on a Omron CJ2M CPU31
2
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Siemens S7-400 Downloading Issues While Test Mode On
Posted by Placido on 27 March, 2017 - 3:13 am
Issues while performing download to an S7-400
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How To Get Certified by GE?
Posted by melabd on 26 March, 2017 - 7:19 am
I want to get certified by GE as a technical field advisor?
Fire Alarm Monitoring in Triconex?
Posted by Femi on 24 March, 2017 - 10:14 am
Triconex interface that connects to fire alarm control panel
Gas Turbine High Temperature
Posted by Engineer Sonny Amaiko on 24 March, 2017 - 3:14 am
When gas turbine load reaches 1 MW high temperature occurs
31
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Wiring Up 7 Emergency Stops on a Conveyor
Posted by GregR on 22 March, 2017 - 11:57 pm
Looking for a diagram for wiring emergency stops on a conveyor.
Generator Enclosure of GT LM6000
Posted by alonxo on 22 March, 2017 - 4:56 pm
We have negative pressure in generator enclosure with one fan, the other fan works with positive pressure.
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Temperature Controller
Posted by subhajitaich93 on 22 March, 2017 - 3:00 pm
TZN4S temperature controller controls the temperature of heat sealer. While running process value deeps in from the set value and after sometime it resettles sensor attached with is a thermocouple.
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Pump Suction Pressure Frequently Increase and Decrease
Posted by Mahabub on 22 March, 2017 - 7:01 am
In Boiler Feed water Pump all the time pump suction pressure increase and decrease. Why this is happening and how we can overcome the problem.
Emergency Shutdown Valves Hydrostatic Cycling Test
Posted by khalid Idris on 22 March, 2017 - 6:41 am
I am looking for Emergency shutdown valves hydrostatic cycling test reference.
Best way to Communicate Between Honeywell TDC3000 and Triconex PLC via ePLCG
Posted by govoniman2010 on 22 March, 2017 - 4:16 am
What considerations should be taken?
Bentley Nevada Vibration Probes Faulting
Posted by support on 21 March, 2017 - 4:58 pm
Bentley Nevada Vibration Probes and key phasor fault
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Analog Input Module Question - RTS & RPI
Posted by dirtyc on 21 March, 2017 - 4:29 pm
Difference between RTS and RPI in an analog input module
YorkShire YSF6 Circuit Breaker Issues
Posted by Wayneski on 21 March, 2017 - 2:26 pm
YorkShire YSF6 circuit breaker Manual and drive shaft fault
5
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Absolute Pressure Transmitter Calibration
Posted by Moromi on 21 March, 2017 - 2:17 pm
Looking for calibration procedure of Rosemount 3051S1TA absolute pressure transmitter
1
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Cobots Collaborative Robots
Posted by BillyMac on 21 March, 2017 - 7:42 am
Looking for people's experiences with Cobot robot/PLC integration
1
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Symbol Table for Step 7
Posted by Lotos on 21 March, 2017 - 7:29 am
I'm beginner with step 7, need some help creating a symbol table.
5
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GE EX2100E Documentation Needed
Posted by melabd on 20 March, 2017 - 6:54 pm
Looking for Ex2100e and Ls2100e documentation
2
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Developing Criterion for Plant and Model Using Model Predictive Control (MPC)
Posted by Rex on 20 March, 2017 - 12:54 pm
What criterion my plant and model need in order to have good control outcome with Model predictive control (MPC)?
2
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Anti-static Device in Ball Valve
Posted by Mohamedibr752 on 20 March, 2017 - 10:21 am
Testing anti-static device in ball valve after valve overhaul
2
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How Many Devices in Serial on a Set of CT
Posted by Saul on 19 March, 2017 - 10:55 am
We want to add some measurement devices at the secondary of a set of CTs. Is it possible without perturbing the measurements?
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Tower Lighting
Posted by Ajanthika on 18 March, 2017 - 8:35 pm
I have access to a 325' tower for my remote station, and like to assist the tower owner where possible. The tower lighting is controlled by a light sensitive switch working a relay which actually controls the lights.
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Modbus RTU on Allen Bradley MicroLogix 1400
Posted by p g ray on 18 March, 2017 - 11:53 am
Modbus RTU with MicroLogix 1400 as master and Eurotherm controllers as slave. Communication is slow or stops when one or more slave is off or error.
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Cap.prn File Create
Posted by mrvvijayavv on 17 March, 2017 - 10:53 pm
Please help for how to creat cap.prn file
Gas Turbine: Turbocharger vs Power Upgrading
Posted by bkarim55 on 17 March, 2017 - 6:00 pm
Water injection has been several times discussed on control.com but what about Dry Air Injection?? Advantage and inconvenient?
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Is it Possible to Select ISO on Liquid Fuel
Posted by Nasirih on 17 March, 2017 - 1:24 am
How much is loading rate for frame 9 heavy duty on iso mode
Motion Control Advice Needed for Custom Machine
Posted by Markf on 17 March, 2017 - 12:00 am
Looking for help for a machine build that requires 1 "X" feed control and 2 "Z" feed controls. The "Z" feed needs to have 2 modes: one driving same direction and one opposite.
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Looking for Possible Research Topics
Posted by Ben on 16 March, 2017 - 2:02 pm
Looking for researchable topics for my M.Sc. thesis in any of the following areas Process control, Power generation, Automation, or Sensors.
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Transducer and Calibration
Posted by Maj on 16 March, 2017 - 10:08 am
Ultrasonic or Infrared probe to measure the concentration and/or flow of slurries.
3
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96BD-1 Process Line Clogged
Posted by calgirl17 on 16 March, 2017 - 9:15 am
Low side of 96BD-1 process line clogged with water wash liquid residue.
Siemens Teleperm XP FB84 Time Constant
Posted by kumaralstom on 16 March, 2017 - 6:09 am
Siemens Teleperm FB84 PT Delay element time constant
6
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Reduced Gas Turbine Base Load Output
Posted by kwabenaasare on 16 March, 2017 - 3:00 am
Baseload output of our GE frame 9E has reduced from 110MW to 95MW in spite of the fact that we have carried out air inlet filter change and an off-line compressor water wash.
6
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Limit Switches on Compressor Bleed Valve
Posted by dannys on 15 March, 2017 - 2:51 pm
Looking for detailed explanation about limit switches on compressor bleed valve.
5
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Configuring Remote HMI Viewer in GE MARK VIe
Posted by anwartota9 on 15 March, 2017 - 8:34 am
How to configure a remote HMI viewer station on GE MARK VIe?
3
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High CO in Turbine Exhaust
Posted by sethsaini on 15 March, 2017 - 7:44 am
Hitachi gas turbine has high CO in exhaust
3
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Premix Mode To Lean-Lean Mode
Posted by bil07 on 14 March, 2017 - 11:59 am
Frame 9E engine jumps from DLN1 premix mode TO lean-lean mode
2
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Load sharing between STG and Utility Grid
Posted by Jagdish on 14 March, 2017 - 11:37 am
Load sharing between STG and Utility Grid
7
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SCFM vs ACFM, How This Relates to Velocity
Posted by PaulKraemer1 on 14 March, 2017 - 9:18 am
Is there a distinction similar to that between ACFM and SCFM when interpreting air velocity data (in feet per minute)?
How Seal Oil fFows to Overhead Tank from a Compressor.
Posted by Madani. on 12 March, 2017 - 7:08 pm
How does seal oil flow to ove head tank from compressor? what is the role of reference gas pressure?
DNPbi Variables in ISaGRAF
Posted by Madara_inst on 12 March, 2017 - 4:00 am
Difference between using dnp.flag and dnp.value
5
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GE Gas Turbine Fuel Conversion I&C
Posted by engineerahmed on 11 March, 2017 - 6:18 am
Need Informative help for Gas turbine Fuel COnversion
Looking for PROWIN software.
Posted by ichart on 9 March, 2017 - 11:15 pm
Where can I download the PROWIN program?
3
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FoxRTU Station with ISaGRAF 5
Posted by Madara_inst on 9 March, 2017 - 9:56 am
looking for a tutorial to begin using FoxRTU station with ISaGRAF
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Asymmetric Input Constraint to Control a System (with Polytopic Uncertainty) Via MPC
Posted by nagpalh on 9 March, 2017 - 7:39 am
How to handle Asymmetric input constraint to control a system (with polytopic uncertainty) via MPC
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How Does a V/I Convertor Work?
Posted by mamta1364 on 9 March, 2017 - 5:46 am
How does a V/I convertor transducer work?
2
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Communication between Sepam 40 and Citect SCADA
Posted by Ghazal on 8 March, 2017 - 4:38 pm
Establishing communication between a Merlin Green S10MD power meter and a Citect SCADA system
5
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Back to Isochronous and Droop
Posted by nomolos on 8 March, 2017 - 8:48 am
I understand droop and isochronous modes, but have a question about speedtronic logic.
Generator Compartment
Posted by Alonso on 7 March, 2017 - 4:55 pm
Negative pressure in generator compartment of GT LM6000
2
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Modicon B883-201 Circuit Troubleshooting
Posted by Salman on 7 March, 2017 - 1:53 pm
Need help troubleshooting defective rtd card
1
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Rosemount Dissolved Oxygen Analyzer Calibration
Posted by hanumanth on 7 March, 2017 - 10:49 am
Problem calibrating dissolved oxygen analyzer (sensor) in thermal power plant
Performance Heater Water LIne Booster Pump Issue
Posted by AbdulKarim on 6 March, 2017 - 3:00 pm
Performance heater water line PSV simmering because pump suction pressure too strong.
Dimensions of Telemecanique CPX 37 Operator Panel
Posted by aelhaik on 6 March, 2017 - 8:47 am
Need the dimensions of Telemecanique CPX 37 operator panel
2
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Question about Process Control
Posted by alex on 6 March, 2017 - 7:52 am
I have a question about a Steam control loop
9
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Variable Speed Drive for Pump Control
Posted by Maj on 6 March, 2017 - 7:16 am
Variable speed pump and control
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Repairing Instrumentation
Posted by AThabit on 6 March, 2017 - 3:40 am
Questions about what parts could be repaired in transmitters and control valves
1
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Turbine Bearing Temperature and Plant Blackout
Posted by GeorgeP on 6 March, 2017 - 2:17 am
Turbine bearing temperature rise in the event of a total blackout.
PDF of GE 9HA01 O&M Manual
Posted by MAkram on 6 March, 2017 - 1:04 am
Looking for copy of O&M Manual for a GE 9HA gas turbine
2
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Interfacing a PLC Barcode Reader with PC
Posted by santhoshasb on 6 March, 2017 - 12:08 am
Connecting a barcode reader with a PLC an then reading the barcode data on a PC.
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Connecting a GPS Receiver to Modbus/TCP
Posted by LanHill on 5 March, 2017 - 1:46 pm
Recommend GPS receiver which support Modbus/TCP
6
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Old GE TIL for Lube Oil Heaters on FR6B
Posted by topcat123 on 5 March, 2017 - 9:49 am
Looking for ge TIL with regard to Lube Oil Heaters
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Benefits of Tie Breaker in Normally Open or Normally Closed Position
Posted by lemo on 5 March, 2017 - 2:07 am
Power plant two units GT and 230KV GIS 2 line breakers and one tie breaker configure. Tie breaker designed normally open position concept.
Vijeo Citect - OMRON DIGITAL Datatype Issue
Posted by thorshz on 5 March, 2017 - 12:52 am
Our SCADA IPC broke down and we just assembled new PC which is using Vijeo Citect. Communication with PC seems working fine, but some data are not real-time, need to restart Vijeo software to update.
Aspen OTS Framework connect to Centum VP DCS
Posted by syedsamsamuddin on 4 March, 2017 - 3:54 am
Connecting Aspen OTS Framework to Yokogawa Centum VP DCS R5 without the ExaOPC.
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Intellisys Modbus RTU COM Port to DB9 CM 1241 (RS485)
Posted by Herbrata on 3 March, 2017 - 11:49 pm
2 Wires RS485 to DB9 in Modbus RTU Protocol.
2
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Windows Based OLE and ActiveX in Logging Data to PC
Posted by Rushi Shroff on 3 March, 2017 - 10:30 pm
Windows based applications other than OLE and ActiveX in logging data to PC
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Communication Between Wonderware and Cimplicity
Posted by rkgcontrol on 3 March, 2017 - 6:46 am
Is it possible to communicate between Cimplicity and Wonderware Intouch HMI?
3
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Ladder Logic to SAMA Logic Conversion
Posted by bhushan_javle04 on 3 March, 2017 - 5:19 am
How to convert ladder logic to SAMA logic?
13
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Turbine Low Speed Shaft (LP) Could Not Cut In
Posted by Haroon on 3 March, 2017 - 2:46 am
GE frame-3 turbine trip on startup due to LP SHAFT LOCKED trip alarm
3
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Mark VI RST Redundancy
Posted by Belal_Mahdi on 3 March, 2017 - 1:55 am
R, S, and T redundancy in Mark VI
4
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Can Not Establish Communications with SLC 5/04
Posted by Sky_Dvr on 2 March, 2017 - 11:01 am
Cannot establish comm's with SLC 5/04 CPU thru RSLinx.
4
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Differential Pressure Transmitter
Posted by support on 1 March, 2017 - 3:27 pm
Can we use differential pressure transmitter to measure closed vessel pressure?
1
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Configure Woodward PLC to Work with IGS Driver
Posted by scalawag on 1 March, 2017 - 12:38 pm
Help connecting Woordward MicroNet PLC to IGS driver.
1
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Bios Program for IPC
Posted by masoud on 28 February, 2017 - 8:04 am
Bios program for Siemens IPC Mother board
2
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7FA Baseload Issues During 1x1 Operation
Posted by Fifty7Chevy on 27 February, 2017 - 1:10 pm
Gas turbine not going into base load during 1x1 operation. The plant is a 2x1 combined cycle.
4
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AC Stepper Motor Drive
Posted by alakin on 27 February, 2017 - 11:49 am
What goes with AC stepper drive, a stepper AC motor?
2
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Honeywell Communication Protocol
Posted by ammar_yasir on 27 February, 2017 - 6:26 am
What type of Communication Protocol is used in Honeywell TDC 3000?
Offshore Based DFIG in MATLAB
Posted by mkkhatri32 on 27 February, 2017 - 3:58 am
Need help with parameters for 150 KV transmission line for a matlab model
1
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Calculating Coating Weight
Posted by tarthian on 26 February, 2017 - 6:28 pm
Best method to calculate a coating weight, an array or FIFL and FIFU?
Regarding Calculation of Load Margins in 210mw Turbine
Posted by vipulvyas37 on 26 February, 2017 - 1:36 pm
Load margins in BHEL make 210mw kwu turbine.
4
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Bleed Valve Solenoid Polarity
Posted by shyam on 26 February, 2017 - 12:37 pm
20CB Solenoid coil polarity.
Gas Turbine Air Filtration
Posted by ZiadNasser on 26 February, 2017 - 5:58 am
Gas turbine air filtration using 100% synthetic spider web media
Tatsuno Fuel Dispenser Communication to PC
Posted by Azfar on 26 February, 2017 - 2:40 am
How to interface fuel dispenser to PC
4
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GE Mark VI as DCS for the Whole Power Plant
Posted by Askic on 25 February, 2017 - 12:12 pm
Experience about GE Mark VIe as DCS for the whole power plant
2
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Modbus and Media Converter
Posted by hamedvrz on 25 February, 2017 - 9:13 am
Make a Modbus Bus in two regions by use of optic connection between them.
3
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Beginner AC Servo Motor Guide
Posted by Cerebral on 24 February, 2017 - 9:26 pm
How to control AC servo motors.
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DCS Ovation
Posted by mnaveed on 24 February, 2017 - 9:14 pm
Definition of terms load and download in DCS Ovation 3.3.1 control system
2
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Hide Column in Cross Reference of Eplan P8
Posted by Kataeb on 24 February, 2017 - 2:25 am
How can we change the order of cross-references in Eplan P8?
1
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Message's Abbreviations Siemens OP27 PLC
Posted by b612passenger on 24 February, 2017 - 2:01 am
Meaning of the message abbreviations for Siemens OP27 PLC
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Selection of Electrical Apparatus in Hazardous Environment
Posted by vbalaji892 on 23 February, 2017 - 11:55 pm
Meaning of markings and temperature specifications according to IEC/EN 60079.
PLC Control
Posted by James on 23 February, 2017 - 12:46 pm
How to enter a discrete controller or PI controller into a Click Koyo PLC in LAD to control the level in a coupled tank system CE105