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4
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MODBUS to ASCII Serial
Posted by David Siler on 20 April, 2015 - 12:37 pm
MODBUS to ASCII Serial (not MODBUS ASCII)
8
replies
20HD Energization in MKVIe
Posted by Haroon on 20 April, 2015 - 12:06 pm
How to energize 20HD solenoid valve in control ST software in MKVIe.
4
replies
Honeywell Safety Manager and ICS Triplex
Posted by almasnaz on 20 April, 2015 - 7:37 am
Connecting IO modules of SM to IO modules of ICS Triplex
Communication S7300 and Remote I/O on Wireless
Posted by dchauhansays on 20 April, 2015 - 7:20 am
Communication between S7300 PLC and its Remote I/O on wireless
4
replies
Thermocouple Cable for Signal
Posted by grajesh on 20 April, 2015 - 2:34 am
Can we use the thermocouple cable for signal
4
replies
Flame Detector Cable
Posted by grajesh on 20 April, 2015 - 2:33 am
Flame detector # 4 cable damaged, it was replaced along with new flame detector. TCEA card replaced as 330 V from Mark V was missing.
6
replies
MODBUS RTU for Boiler Control Module
Posted by langancm on 19 April, 2015 - 10:12 am
MODBUS device from Master to two (2) slaves
2
replies
Flow Transmitter Values for Gas Turbine
Posted by abdi on 19 April, 2015 - 10:07 am
Range of flow meter for gas turbine correct for 5 out of 6 turbines. Other has USL value at 1/5 correct value.
SIL Verification with Generic Data
Posted by seondeok on 19 April, 2015 - 6:37 am
I did SIL verification with Generic Data (SILsolver/Exida/PDS) without actual failure rate, Can I say that this loop is satisfied?
1
reply
Droop Control on Steam Turbine
Posted by stor138 on 19 April, 2015 - 1:47 am
Questions regarding droop control on a extraction/exhaust pressure steam turbine.
2
replies
Leading Generator Power Triangle
Posted by VJP on 19 April, 2015 - 12:58 am
For a leading generator (absorbing vars), how is its MVA represented using rectangular coordinates?
1
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Is IoT an Inherently Dangerous Movement?
Posted by CharlieM on 17 April, 2015 - 4:09 pm
The recent IoT (internet of things) meme seeks to connect everything, potentially, with everything else. That is a dangerous idea. It trades safety for convenience and enables attacks.
3
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Mark VI and Mark VIe
Posted by voyager2_kbc on 17 April, 2015 - 1:46 pm
Is software of Mark VIe the same as Mark VI?
2
replies
Communication using OPC Protocol with Siemens S7 PLC
Posted by lululupimenta on 17 April, 2015 - 9:10 am
WRONG OPCCOMN_PS.DLL VERSION IS REGISTERED. Someone can help me?
3
replies
Starting a Synchronous Motor
Posted by GMC1984 on 17 April, 2015 - 3:17 am
Please help me fully understand exactly how a large synchronous motor is started?
7
replies
Trip Log Display on Speedtronic Mark 5
Posted by DAMENE on 16 April, 2015 - 6:06 pm
We have a problem with the trip log display on our Gas Turbine, equipped with Speedtronic Mark 5 system (RST) and HMI cimplicity 3.22
1
reply
Turbomach Taurus 60 Gas turbine Speed Deviation Fault
Posted by fahrikem on 16 April, 2015 - 12:32 pm
Gas turbine speed deviation fault
1
reply
260 kVA Diesel Generator Drops Under 250 A load
Posted by marc0s on 15 April, 2015 - 4:06 pm
260 kVa FGWilson Diesel Genset drops voltage when under 250 amps load
1
reply
Zone 2 Specification
Posted by jeffa on 15 April, 2015 - 12:59 pm
How to decode Zone 2 specification
9
replies
DSLC from Woodward Not Operate in Droop?
Posted by Marina on 15 April, 2015 - 9:34 am
Does DSLC woodward have restriction operating on droop?
1
reply
Displaying Data from Elektronikon mkIV on PC Screen
Posted by manel on 15 April, 2015 - 7:01 am
visualize data from elektronikon mkIV on pc screen
1
reply
SIL 3 RTD Converter to 4-20mA
Posted by enoufas on 15 April, 2015 - 6:42 am
SIL 3 certified RTD to 4-20 mA converter
1
reply
Water Injection System of GE Frame 9e
Posted by instrumentationautomation on 15 April, 2015 - 1:41 am
What rate does water inject into turbine in liquid fuel gas turbine on preselected and BASE LOAD?
2
replies
Communicating between CAT EMCP II and GE Fanuc
Posted by Chris_IWO on 14 April, 2015 - 10:47 pm
Communication Setup Between CAT Engine's EMCP II to GE Fanuc LM 90 70
4
replies
Hydrogen Leakage Through Three Valve Manifold of DP Transmitter
Posted by instrumaInt on 14 April, 2015 - 10:09 am
After fire in the three valve manifold connected to DP transmitter caused by Hydrogen leak. Want to know what checks to be performed on these manifolds while in service and at what frequency.
1
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BLDC Speed Control
Posted by dwafford13 on 13 April, 2015 - 10:29 pm
Understanding speed control of BLDC motors that are NOT wired for PWM.
Power Factor and Load Angle in Synchronous Generator
Posted by Luke on 13 April, 2015 - 7:38 pm
The relationship between the inner workings of the generator and the mathematics
2
replies
Master/Slave Help to Synchronize the Speed of Two Different Sized Rollers
Posted by JPAnderson on 13 April, 2015 - 4:10 pm
Trying to synchronize surface speeds of two different size rollers.. Using AB Powerflex 4 VFD
8
replies
MOSCAD 400 as MODBUS Master
Posted by hishamahmed on 12 April, 2015 - 10:52 pm
I need sample tables for configuring MOSCAD PLC to poll Inputs, Outputs & Registers from Siemens S7-200.
1
reply
Replacing Analogue Positioner Fisher 3610J with DVC Equivalent
Posted by Engr_Ideh on 12 April, 2015 - 8:32 pm
Replacement of Fisher 3610J Analogue positioner and I/P converter with its Fisher DVC equivalent model.
2
replies
Looking for a Scheduling Application with MODBUS Addressing
Posted by DrKindorf on 12 April, 2015 - 3:59 pm
Scheduling/ Signalling Application That will work with MODBUS (or with discrete I/O)
1
reply
Communication of Hima F8650x CU with a MODBUS Slave
Posted by a_mujahid on 12 April, 2015 - 8:02 am
I am trying to communicate Hima F8650x CU with ABB Flame amplifier unit FAU810 using MODBUS over RS485.
Paramagnetic Oxygen Analyzer Calibration
Posted by Pratikchatterjee on 12 April, 2015 - 7:28 am
Zero and span gas for paramagnetic oxygen analyser
2
replies
Slave ID Importance in MODBUS TCP/IP
Posted by vjraghavank on 12 April, 2015 - 1:31 am
How much significant is Slave/Device ID in MODBUS TCP/IP protocol? Don't they use IP address instead of Device ID?
Time Sync from Server for Areva 30 Series Relay
Posted by vjraghavank on 12 April, 2015 - 12:33 am
Can we use PC's timing as SNTP instead of GPS in Areva's C264 BCU DB?
What a Control Engineer Should Know
Posted by Pele1 on 11 April, 2015 - 12:24 am
I search after information that can explain to me more about what a control engineer in robotics company should to know
Looking for the LCN Version of a TPS System from a NCF.CF File
Posted by Khan on 10 April, 2015 - 6:40 pm
Looking for a way to extract the LCN node's version directly from the NCF.CF file of a TPS System.
5
replies
Difference between a DCS and a PLC
Posted by pdg8512 on 10 April, 2015 - 1:25 am
What are the key points of differences between a PLC and a DCS
17
replies
Low Air Flow Confirmation
Posted by PaulKraemer1 on 9 April, 2015 - 2:04 pm
Looking for sensor to confirm low air flows
3
replies
Gas Splitter Valve Split and Stroke Out of Mark V?
Posted by lesswood on 9 April, 2015 - 4:26 am
Difference between premix fuel split set point from 83,25% split (fixed) and gas splitter valve command stroke (78,8...%). Whats happening in the MARK V?
Tyre Traffic Control
Posted by Hardik on 8 April, 2015 - 8:31 am
Tyre traffic control using VFD AND encoder
5
replies
Ignition Energy
Posted by hasseli on 8 April, 2015 - 7:45 am
Confusion about 20 Micro Joules limit.
3
replies
Load Angle and Power Factor
Posted by Thirumoorthy on 8 April, 2015 - 7:23 am
Difference Between Load angle and Power factor
4
replies
GE Frame 9E MS9001E Air Processing Unit
Posted by Avworhiare on 8 April, 2015 - 6:48 am
The working of the Air processing unit APU
4
replies
Cimplicity .gef problem
Posted by raoufelect on 7 April, 2015 - 6:12 pm
Error when trying to run the GTG.gef in cimplicity HMI.
1
reply
Instrument Loop Voltage Too Low
Posted by tywright on 7 April, 2015 - 11:57 am
Instrumentation loop power control issue.
Bumpless Transfer from 01 UPSS to Another
Posted by vinajeyalo on 7 April, 2015 - 9:55 am
Bumpless UPSS power transfer from one to another UPSS
3
replies
Styrofoam Beads Sensing
Posted by matwon on 7 April, 2015 - 9:18 am
Which kind of sensor for the detection of small Styrofoam beads in a galvanized pipe?
How to Connecting HYSYS to Wonderware InTouch
Posted by tomoprihastomo on 7 April, 2015 - 1:07 am
How to get information connect HYSYS to OPC KepserverEX
KepServerEX OPC Server communication problem with Siemens S7-300 PLC
Posted by ankurgajjar on 6 April, 2015 - 2:07 pm
KepServerEX OPC server communication problem with Siemens S7-318-2 DP PLC along with CP343-1 Ethernet lean module.
5
replies
Toolbox EGD Configuration and OPC
Posted by alirabieali on 6 April, 2015 - 8:34 am
Connecting mark vi using Matrikon OPC.
Effect of the Weights in an LQR/LQG Problem
Posted by danieee on 4 April, 2015 - 7:10 pm
Given a performance index (PInd), and a fixed weight (Q) on the states, how can I design an LQG controller such that the input is less noisy and yet PInd is minimal?
1
reply
Quantum MODBUS Plus Communication
Posted by GGill on 4 April, 2015 - 2:58 pm
Modbus Plus communication between Quantum PLC and ControlLogix PLC
7
replies
Activating a Solenoid 2500 using a 24 VDC Solenoid
Posted by SAMMY MARTINEZ on 4 April, 2015 - 10:18 am
need to activate solenoid 2500' away. What is required a 24vdc solenoid or a 120vac solenoid?
2
replies
Need a Ph.D. Dissertation Topic in Gas Turbine Performance
Posted by benjie on 4 April, 2015 - 3:48 am
Need assistance finding a topic related to Gas Turbine Performance for my Ph.D. dissertation in a Nigerian University.
1
reply
Jace Controller To MODBUS Slave
Posted by Trevor Adelman on 3 April, 2015 - 6:52 pm
Connecting a Jace controller to a MODBUS slave.
Feedback Control With Not Enough Sensor Sample Rate
Posted by LCJ on 3 April, 2015 - 10:39 am
Want to control a mass-spring-damping system's output displacement as a 1kHz sine wave. The displacement sensor's sample rate is not high enough. A paper said adding a integrator can solve the problem, I don't understand the reason.
1
reply
GE 9E Turbine Exhaust Emission
Posted by redstar on 2 April, 2015 - 4:49 am
GE FRAME 9E exhasut emission for heavy fuel oil and ligt distillated oil
2
replies
RSlogix 5000 Version 19, Opening a Version 20 File
Posted by Forat on 2 April, 2015 - 2:32 am
Using RSLogix 5000 Version 19 to open a file created with RSLogix 5000 Version 20.
15
replies
Gas Turbine Efficiency/Power Output vs Relative Humidity and Specific Humidity
Posted by sriramsandeep on 1 April, 2015 - 1:15 pm
gas turbine efficiency/power output vs Relative humidity and Specific humidity
[MATLAB] load sharing not equivalent between hybrid generator
Posted by deknohebat on 1 April, 2015 - 11:47 am
model of micro hydro diesel hybrid generator using MATLAB software
12
replies
Flow Transmitter
Posted by Boom on 1 April, 2015 - 11:33 am
Flow transmitter
4
replies
Safety Relay to PLC
Posted by RoboKD on 1 April, 2015 - 9:20 am
Do you connect the safety relay output to a PLC input or Drive input?
8
replies
Ultrasonic Sensor Issue
Posted by mufeedh6 on 1 April, 2015 - 8:47 am
E+H FMU90 transmitter and FDU91 sensor issue
Alternative for LEUZE BCL300I Scanner
Posted by SRINI on 1 April, 2015 - 8:05 am
Alternative for Leuze make barcode scanners
Open Source Web Based SCADA
Posted by Maram_sakr on 31 March, 2015 - 6:21 pm
Looking for a reliable open source web based SCADA software.
Modbus Pemex
Posted by mcastillo06 on 31 March, 2015 - 3:43 pm
Modbus Pemex to Modbus RTU
EGD OPC Server with Signature Implemented
Posted by japz87 on 31 March, 2015 - 3:21 pm
Does anyone know an OPC server that has implemented the EGD Signature feature?
Wind-Up Applications Using Brushless DC Motor
Posted by Chris Ayers on 31 March, 2015 - 3:09 pm
Question regarding the control of a wind-up reel on a label applicator with no sensors other than those contained in the motor.
ACTIVE -8-or Configurator
Posted by mgsarath44 on 31 March, 2015 - 10:29 am
Looking for an Active 8-or configurator instruction manual
2
replies
Reading Slave Status in MODBUS Communication
Posted by malampati on 31 March, 2015 - 3:49 am
Is I2C protocol is necessary to read the slave status in MODBUS communication?
1
reply
Reverse current protection & Management
Posted by Saleem_khan on 30 March, 2015 - 9:34 am
Reverse current protection & D.G output power management
2
replies
How much power is required for mark-vie control system
Posted by instrumentationautomation on 30 March, 2015 - 6:46 am
I am working on newly construction power plant with frame 9e gas turbine. I want to know how much power is required for mark-vie control system?
AB Microlox 1100 To Redlion
Posted by Chris IWO on 29 March, 2015 - 11:22 pm
Setup on Mapping Data from Red Lion Data Plus Station To Ge PLC 90 70
1
reply
Automated LOTO
Posted by bowilly on 29 March, 2015 - 6:53 pm
Ideas on how to apply LOTO without knocking down entire panels
Measuring Air Flow in a Large Room
Posted by TheMac on 29 March, 2015 - 3:01 pm
Measuring the flow of air in a large room.
2
replies
Level Transmitter - Advice
Posted by ashley on 29 March, 2015 - 2:02 pm
Looking for advice on a good level transmitter
PID Circuit Design Help
Posted by stevy on 29 March, 2015 - 7:31 am
Help with the design of an electronic circuit for a PID controller
1
reply
GE MS9001E Frame 9E Questions
Posted by FE on 29 March, 2015 - 3:09 am
Some questions about bearings and ventilation and turbine cooling
WINCC SCADA
Posted by srinurdy on 28 March, 2015 - 10:58 pm
WINCC Scada not getting Data from above 29 S7-200 PLCs
4
replies
HP Rotor Speed (TNH) Fluctuation vs Combustion Trouble on GE Frame 5
Posted by bkarim55 on 28 March, 2015 - 6:07 pm
Because the TNH is fluctuating the Combustion Trouble Alarm goes away! What's the relationship between TNH stability and Combustion Trouble? What are the root causes of TNH fluctuation and How to keep a steady and stable TNH?
8
replies
Mark V IGV Problem
Posted by Bayram_oglu on 28 March, 2015 - 4:34 pm
In mark V TMR IDOS, when I auto calibrate IGV core <T> current value and actual position value not same as R&S core value.
1
reply
Level Transmitter Problem
Posted by Qamar1234 on 28 March, 2015 - 10:25 am
Level Transmitter of Mobery LT100 displacer type is works fine in workshop, but after installation indicates -35%.
6
replies
Synchronous Generator Power Factor
Posted by samsan on 27 March, 2015 - 2:36 pm
Steam Turbine Generator & Power Factor
2
replies
MODBUS Comunication with RS485 on ST-200
Posted by gene89 on 27 March, 2015 - 12:01 pm
Communication between PLC and PC via Modbus, using a network interface to transport the rs485 via TCP/IP.
1
reply
Excitation Problem
Posted by Abdullahi Abdu on 27 March, 2015 - 11:29 am
After excitation limit alarm, unit tripped due to uncontrollable drum level.
Siemens LOGO 12/24
Posted by mickblu on 26 March, 2015 - 8:18 pm
I need some advice / info from an experienced user / programmer of the Siemens LOGO 12/24
3
replies
Variation of Auxiliary Power Demand of a Typical Coal Based Steam Plant from Start up to Full Load
Posted by pikachoo99 on 26 March, 2015 - 2:51 pm
variation of auxiliary power demand of a steam unit with time as the unit is loaded from zero to full load
3
replies
Operating GE 9E on DLN Mode with Liquid Fuel
Posted by mechaniclese_2010 on 26 March, 2015 - 2:06 pm
For All GE experts, why is the liquid fuel mode operated only at lean lean mode?
1
reply
Centum VP: Graphic builder: Object Properties
Posted by Gregor007 on 26 March, 2015 - 4:18 am
Design a new graphic with the Centum VP graphic builder: I want to change the properties of an object, but "Properties" window doesn't open.
3
replies
Mark-VI VCMI Card Alarm
Posted by killkss on 26 March, 2015 - 3:53 am
Mark-VI VCMI Card Fault Alarm (code: 57,67)
Pressure Transmitter for Nuclear Station
Posted by garychenca on 25 March, 2015 - 8:48 pm
Looking for recommendations for pressure transmitters for a nuclear station.
SIF Testing
Posted by Cheetahsan on 25 March, 2015 - 8:15 pm
Organizing SIF Testing to be efficient and effective
2
replies
HMI Crashing
Posted by saiful_32 on 25 March, 2015 - 2:16 pm
HMI has crashed for GE Frame 9E turbine
AC Machine
Posted by passionman on 25 March, 2015 - 1:26 pm
Trying to Understand AC Machine Fundamentals
1
reply
Pump Transfer Function
Posted by ggrasmus on 25 March, 2015 - 6:56 am
Having trouble finding a transfer function for the flow of a pump so that I can tune the PID controller.
3
replies
Transferring 32 bit Data Via MODBUS Protocol
Posted by vutq on 25 March, 2015 - 4:19 am
Transferring and receiving 32 bit MODBUS data using SCADA
1
reply
Woodward 4024 Actuator Model 8256-060 Testing/Repair
Posted by jackS on 24 March, 2015 - 1:02 pm
Obsolete Woodward 4024 Actuator Model 8256-060 Testing/Repair
Use of Technology in Manufacturing in India
Posted by Kelly Gronquist Schwerdt on 24 March, 2015 - 11:53 am
Technology has been an integral part of each stage of manufacturing in India from the planning of the future, to resource planning, to production, thereafter getting into distribution & reaching the end customer
2
replies
Thermal Dispertion Flowmeters
Posted by Darker on 24 March, 2015 - 12:52 am
Thermal Dispersion Flowmeters, Principle