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from the Brain Dump department...
Control.com Post Archive
Power generation equipment control. topic
Posted by Sceptical Fred on 25 May, 2014 - 9:33 pm
Mk6 Speedtronic Capability
Ge Mk6 Speedtronic maths ability.
Computers in manufacturing; also hardware discussion. topic
Posted by Derrick on 25 May, 2014 - 9:17 pm
Foundation Fieldbus - Linearization Type
Foundation Fieldbus Linearization Type
Engineering and workplace issues. topic
Posted by islam84 on 25 May, 2014 - 5:43 am
Anti surge valve and enabling solenoids
Why is the anti surge valve associated with two enabling solenoids?
PLCs and related questions. topic
Posted by Genjua on 25 May, 2014 - 4:44 am
Connection for Twido RS485 with XBT OT DB9
Connection/pinouts of the cable that connects a Twido RS485T which contain 3 Terminal with XBT OT COM2 DB9 which contain 9 Termnials?
Power generation equipment control. topic
Posted by chudy on 24 May, 2014 - 12:21 pm
gas turbine start up
is it possible to start a gas turbine plant on black start with only 2 processors?
Power generation equipment control. topic
Posted by ABDI on 23 May, 2014 - 11:34 pm
Unable to go into Premix Mode
Unable to go into Premix Mode. Should we use Primary or secondary mode?
Programming languages. topic
Posted by tester89 on 23 May, 2014 - 10:38 am
MODBUS Protocol Confusion
Would like some clarifications on Modbus variations.
Communications systems and equipment. topic
Posted by Mario Soto on 22 May, 2014 - 8:22 pm
JAGXTREME and Yokogawa power meter
I want to get a torque value output from a Jagxtreme terminal so I can use it as torque input (BNC connection) for a Yokogawa power meter (motor version)
Engineering and workplace issues. topic
Posted by James on 22 May, 2014 - 4:49 pm
Mason's rule help
need help solving a flow chart from mason's rule
Power generation equipment control. topic
Posted by Asif Ferdoush on 22 May, 2014 - 1:31 pm
Power System Control & Stability
What happens when power system is subjected to any kind of disturbance?
Motion control, servos, steppers, etc. topic
Posted by amin hadavi on 22 May, 2014 - 10:33 am
Yaskawa servo motor
Yaskawa servo motor working noisy & vibrating
Power generation equipment control. topic
Posted by adel on 22 May, 2014 - 7:21 am
Turbine Generator and Step-up Tansformer Size
what is the impact of power factor on the size of GT and Step-up transformer
Power generation equipment control. topic
Posted by JK Seo on 22 May, 2014 - 1:34 am
Gas Turbine Water Wash
Gas Turbine Water Washing Procedure
Engineering and workplace issues. topic
Posted by Fluoronator on 21 May, 2014 - 7:03 pm
Why are electrical systems grounded?
My google search has only yielded superficial answers. What is the real reason?
Power generation equipment control. topic
Posted by raul on 21 May, 2014 - 6:33 pm
Vacum in Steam power plant
Variation of steam temperature in vacuum ejector.
Engineering and workplace issues. topic
Posted by Jhon on 21 May, 2014 - 10:05 am
Buffer Air Quality
Buffer air for sealing in dyno or centrifugal compressors.
Information resources, documentation. topic
Posted by islam84 on 21 May, 2014 - 9:09 am
Antisurge valve failure reporting case study
Antisurge valve failure reporting case study
Power generation equipment control. topic
Posted by Broner on 21 May, 2014 - 3:08 am
Failed 15 kV Vacuum Circuit Breaker
Failure of a 15 kV POWL-VAC circuit breaker protecting the GSU transformer
Continuous process industries, DCS questions. topic
Posted by Talluri on 21 May, 2014 - 2:59 am
Endress+Hauser Level Transmitter Hunting
What is the possible cause for Level transmitter hunting?
Power generation equipment control. topic
Posted by Manfred Hinsch on 20 May, 2014 - 6:01 pm
woodward EGB governor with 723plus
Require guidance / config for initial setup:
Woodward EGB governor / Woodward 723PLUS
Power generation equipment control. topic
Posted by Johnplayers on 20 May, 2014 - 9:42 am
GE Gas Turbine Corrected Speed
Importance of GE Gas Turbine Corrected Speed
Power generation equipment control. topic
Posted by Cyril on 20 May, 2014 - 2:47 am
Power Plant blackout
Reason for Total power plant blackout
Power generation equipment control. topic
Posted by control me on 19 May, 2014 - 11:57 am
Gas turbine trip
Gas turbine tripping. Basic steps for troubleshooting.
Continuous process industries, DCS questions. topic
Posted by mahdi on 17 May, 2014 - 11:42 pm
Deltav Network
Link two different version of DeltaV
PLCs and related questions. topic
Posted by Reeny on 17 May, 2014 - 5:00 pm
Siemens s7 backup
what is the process to take an online backup of steam controller (S7-400 cpu417H).
Computers in manufacturing; also hardware discussion. topic
Posted by Reeny on 17 May, 2014 - 4:41 pm
control adinistration
is there a way to normalize the new ES with the AS?
in Siemens TXP control system
Engineering and workplace issues. topic
Posted by mhmd on 16 May, 2014 - 5:44 pm
TXP control system administration
is there a way to take an image of ES, PU, SU, OT, without using SCSI tape reader
Communications systems and equipment. topic
Posted by J.Atkinson on 16 May, 2014 - 9:09 am
Web XML into DCS/PLC
Require a solution for communicating XML data from the web into a DCS / PLC system.
Power generation equipment control. topic
Posted by Shaker Hashlan on 16 May, 2014 - 5:34 am
Governor Response
what is the Governor Response and how to calculate and size it?
Power generation equipment control. topic
Posted by scientif on 16 May, 2014 - 4:38 am
Diesel Sets vs Gas Reciprocating Engines
Number of sets (diesel or gas engines) to start a load.
PLCs and related questions. topic
Posted by TheController on 15 May, 2014 - 5:21 pm
One control variable for two loops
Can we have one control variable control two different loops?
Software, including programming, OS issues, etc. topic
Posted by Neo on 15 May, 2014 - 4:57 am
Enron Modbus slave Developement
Basic question regarding Enron modbus stack/cache
Sensor technologies. topic
Posted by Prasana on 14 May, 2014 - 4:29 pm
Vortex Flow Meter
Troubleshooting Vortex Flow Transmitter
Motion control, servos, steppers, etc. topic
Posted by Controller on 14 May, 2014 - 1:40 pm
Why Integration in PID causes overshoot?
Understanding of how PID controller affect a system.
Power generation equipment control. topic
Posted by Kuummaarr on 14 May, 2014 - 10:54 am
Trouble in generators
Generator unable to maintain load in auto mode. When running on load individually then it is working fine. The governor motor contactors high and low keep operating for a long time.
PLCs and related questions. topic
Posted by JoseyWales on 13 May, 2014 - 4:54 pm
Network Issues
My network settings are correct but I am not able to connect to the IP address 10.1.1.250
Power generation equipment control. topic
Posted by Jeet on 13 May, 2014 - 9:34 am
Power System
What happens if an alternator is running on 0.9 pf (lag)?
Power generation equipment control. topic
Posted by Visakh on 13 May, 2014 - 4:18 am
Synchronous motor tripping on reverse power relay
TRIPPING OF SYNCHRONOUS MOTOR ON REVERSE POWER RELAY
Sensor technologies. topic
Posted by jay on 12 May, 2014 - 11:59 pm
Gasoline/Water Interface Level
Measuring gasoline/water interface level
Power generation equipment control. topic
Posted by Fathi Ali on 12 May, 2014 - 11:55 pm
Negative phase sequence
Strange a trip condition on Negative Phase Sequence of diesel generator
Power generation equipment control. topic
Posted by DanVal on 12 May, 2014 - 12:57 pm
Difference between Premix Steady State and Lean Lean extended mode
what is the difference between Premix Steady State and Lean Lean extended mode of a Frame 9E GE Gas Turbine?
Power generation equipment control. topic
Posted by paru on 12 May, 2014 - 5:50 am
transformer oil corrosivity
Why the transformer oil DBDS and CCD test are showing different results?
Continuous process industries, DCS questions. topic
Posted by karthick on 12 May, 2014 - 3:47 am
Electromagnetic flow meter problems
Totalizer reading on electromagnetic flow meter of chemtrols errors.
Power generation equipment control. topic
Posted by lukesh on 11 May, 2014 - 11:36 am
alternators connected to infinite bus bar
alternators connected to infinite bus bar...problem
Sensor technologies. topic
Posted by hknclk on 11 May, 2014 - 9:36 am
Measuring Flow with Annubar
Should pipeline be full of water for measuring flow with annubar?
PLCs and related questions. topic
Posted by ESRAA on 11 May, 2014 - 2:12 am
Connecting a weight display using S7-200 MODBUS Master
how to connect two weighing display to port 0 of CPU 226 via modbus master library and read the indicated weight of the display in software v4.0 microwin step7 SP5
Information resources, documentation. topic
Posted by David Hackenbracht on 10 May, 2014 - 5:23 pm
Newbe question - how to set up an VLDT
trying to calibrate a rotary LVDT
Communications systems and equipment. topic
Posted by Osman Ahmad on 10 May, 2014 - 1:19 pm
Kepware not Reading Values from Modbus TCP/IP Driver
Delayed Data Refresh on Kepware OPC Server connected to Modbus TCP/IP Modicon Device.
Power generation equipment control. topic
Posted by raul on 10 May, 2014 - 10:57 am
Over excitation after synchronizing
Under automatic control after synchronizing the generator immediately takes from the line +40 Mvars
Human-Machine Interface and SCADA. topic
Posted by Bilal on 10 May, 2014 - 1:21 am
Freezing of AB PanelView Plus
Allen Bradley Panelview Plus HMI freezes with a pop-up error message.
Power generation equipment control. topic
Posted by Ravisankar on 9 May, 2014 - 11:40 pm
Turbine Overspeed Test
GE Frame 5C Gas Turbine used to drive Process Compressor -- after Major Overhaul, what are the minimum test requirements for HP overspeed?
PLCs and related questions. topic
Posted by karikob on 9 May, 2014 - 12:05 pm
DOX5 communication error
DOX5 communication error
Power generation equipment control. topic
Posted by abrahash on 9 May, 2014 - 10:37 am
API 616 Compliant
API compliant GT are expensive that standard OEM offering
Power generation equipment control. topic
Posted by Fathi Hadloul on 9 May, 2014 - 10:25 am
Excitation limit operating Alarm
Excitation limit operating alarm and performance load test
Power generation equipment control. topic
Posted by Craig on 9 May, 2014 - 1:30 am
Option to run AC lube oil in manual YES OR NO
Should we have the option to run in local?
Power generation equipment control. topic
Posted by Glenn on 9 May, 2014 - 1:03 am
Can I Use The Same Instrument for Boiler Protection and Boiler Control?
Is it a violation to use the same instrument for boiler protection and boiler control (e.g. drum level)?
Power generation equipment control. topic
Posted by Muhammad Kashif Idrees on 9 May, 2014 - 12:49 am
Redundant G60 Relays for Generator Protection
We are planning to replace existing GE make electro-mechanical type relays for protection of 31375kVA GE generator with Multi function G60 Numerical relay. Should we install two G60 relays for protection of one generator?
PLCs and related questions. topic
Posted by ABeng80 on 8 May, 2014 - 3:29 pm
Emerson CSI 6500 to ControlLogix PLC
Emerson CSI 6500 Vibration Monitor needs to talk Modbus TCP to ControlLogix PLC
Engineering and workplace issues. topic
Posted by scientif on 8 May, 2014 - 7:16 am
Arc Flash furnaces in smelters with current inrush and re-strikes
Arc Flash furnaces in smelters with current inrush and re-strikes
Continuous process industries, DCS questions. topic
Posted by Hoo on 8 May, 2014 - 3:41 am
pulse scale factor
pulse scale factor
Human-Machine Interface and SCADA. topic
Posted by TJmustangTJ on 7 May, 2014 - 4:45 pm
Need help scaling Tridium Niagara AX front end with Modbus TCP points
I have a Wonderware Intouch front end with Modbus TCP points that I am replacing with Tridium Niagara AX.
Local and wide area networking in factory automation. topic
Posted by gct on 7 May, 2014 - 4:10 pm
4-20 ma HART Transmitter
HART transmitter showing only 4 ma or 3.9 ma but it should show 12 ma as per process variable indicated in HART communicator.
Power generation equipment control. topic
Posted by Tom Murphy on 7 May, 2014 - 3:33 pm
7FA H2 Purge
7 FA Purge in preperation for a Magic Inspection for the Generator.
Engineering and workplace issues. topic
Posted by Farzin on 7 May, 2014 - 10:39 am
Thermocouple extension wire resistance
Thermocouple extension wire resistance
PLCs and related questions. topic
Posted by FredS on 7 May, 2014 - 8:19 am
Multiple Controllers on one RTD
How can I use the same RTD for more than one controller?
Power generation equipment control. topic
Posted by Suresh on 7 May, 2014 - 4:45 am
Trifoiling problem of cables
Trifoiling of power generation cable was done incorrectly during commissioning, which causes heating of the cables and results in cable fault.
Software, including programming, OS issues, etc. topic
Posted by Mostafa Qasemi on 6 May, 2014 - 2:57 pm
Honeywell connection an output Scada point to a PID Block?
how connect an output Scada point to OP PID Block in control module?
Communications systems and equipment. topic
Posted by HBAttila on 6 May, 2014 - 1:26 pm
OPC Server Performance optimization
How can I optimize OPC server Performance?
Engineering and workplace issues. topic
Posted by Asok Kumar Hait on 6 May, 2014 - 11:20 am
Multihole orifice plate
User experience in use of multihole (conditioning) orifice plate
Power generation equipment control. topic
Posted by SSU on 6 May, 2014 - 9:56 am
Why Synchronize to a Dead Bus?
What is a Dead Bus and why Synchronize to it?
Power generation equipment control. topic
Posted by Ahmed on 6 May, 2014 - 6:45 am
Synchronizing to a Dead Bus
Valve Kick when synchronizing to a Dead Bus
Continuous process industries, DCS questions. topic
Posted by PT on 6 May, 2014 - 5:23 am
Floating point in little endian can be read in big endian but value not same.
Reading IEEE little endian format data
Software, including programming, OS issues, etc. topic
Posted by Sabarreesh on 6 May, 2014 - 4:17 am
Modbus connect with Android via TCP
we can connect android APP with modbus simulator (mod_RSsim.exe) using socket connection. but we couldn't write and read values from registers using functions from "jamod-1.2-SNAPSHOT.jar".
we got output like this 00 00 00 00 00 06 00 03 00 00 00 00
Power generation equipment control. topic
Posted by Curious George on 6 May, 2014 - 2:33 am
Critical Turbine control data over Ethernet
Throttle critical values over ethernet?
Engineering and workplace issues. topic
Posted by ASHUTOSH KUMAR on 6 May, 2014 - 2:28 am
Ground to Neutral Voltage-Limit
DCS floating voltage failure damaging workstation motherboard
Information resources, documentation. topic
Posted by John Moraes on 5 May, 2014 - 7:05 pm
Modbus RTU Serial Trunkline 'Taps'
Looking for 'Taps' for Modbus serial 4 wire trunkline.
Power generation equipment control. topic
Posted by William Monson on 5 May, 2014 - 1:04 pm
Mark V Scan rates
How can the scan rate on the SCADA and the Response time of the transmitter be knitted together?
Communications systems and equipment. topic
Posted by bassambassam on 5 May, 2014 - 11:31 am
Modbus TCP communication via RS232 to TCP converter
How can i configure a communication between WINCC V7.0 and a controller through a RS232 to TCP converter??
Power generation equipment control. topic
Posted by Neo on 5 May, 2014 - 8:28 am
Getting a better understanding of gas turbine control
How to get a better understanding of gas turbine control?
Power generation equipment control. topic
Posted by hh on 5 May, 2014 - 7:37 am
Load rejection in triple shaft turbines
Triple shaft turbines that have load rejection mode?
Engineering and workplace issues. topic
Posted by Jomin on 5 May, 2014 - 3:49 am
Instrument cable earthing
Requirement of cable gland earthing.
Power generation equipment control. topic
Posted by AliAdil on 4 May, 2014 - 1:36 am
What are the steps to synchronize while operating on house load
What are the steps to synchronize while operating on house load (in Frame 6 Mark VI-e control)
Human-Machine Interface and SCADA. topic
Posted by Mostafa Qasemi on 3 May, 2014 - 2:28 pm
Calling up filtered alarm list
Creating a filtered alarm list in Honeywell HMI station
Power generation equipment control. topic
Posted by Ugene on 3 May, 2014 - 12:58 pm
seeking better understanding of how generator works
seeking better understanding of how generator works. An inquisitive mind awaits enlightening.
Engineering and workplace issues. topic
Posted by Shahed on 3 May, 2014 - 7:33 am
Negative phase sequence
Alternator Negative sequence volt are showing 100% while positive sequence volt are showing 0%.
Communications systems and equipment. topic
Posted by yogeshwar on 3 May, 2014 - 3:01 am
Zebra printer communicate with Delta PLC
Communicating between a zebra printer with a Delta PLC for Labeling Application.
PLCs and related questions. topic
Posted by tharun on 2 May, 2014 - 4:47 am
Guardlogix Controller
What is the difference between a Rockwell Guardlogix controller and a Rockwell ICS triplex AADvance Controller in terms of Functional safety?

Power generation equipment control. topic
Posted by raul on 2 May, 2014 - 12:56 am
Reheater Steam turbines Valves
Why is the first Control valve after stop valve?
Application Questions and Problems topic
Posted by Luap on 1 May, 2014 - 8:22 pm
Generator damper control
Changing from pneumatic damper control to electronic damper control
Communications systems and equipment. topic
Posted by bmrinell on 1 May, 2014 - 1:29 pm
Reading Data from a Scale with Quantum Unity Pro and 140 ESI 062 010 Card
Reading ASCII Data from Weigh Bin Scale with Quantum Unity Pro and 140 ESI 062 010 Card
Application Questions and Problems topic
Posted by Muthu on 1 May, 2014 - 1:07 pm
DCS Clock Malfunction
Can the malfunctioning of the GPS clock trigger the ESD bits and shutdown the running plant?
Engineering and workplace issues. topic
Posted by MJ on 1 May, 2014 - 6:43 am
EEx 'd' or IS
What are the criteria in deciding between EEx 'd'/'e' and Intrinsically Safe?
Sensor technologies. topic
Posted by tapas on 1 May, 2014 - 5:27 am
how to detect over pressure
Sensor for detecting if pressure is out of 4 to 6 bar inside a pneumatic pipe
Continuous process industries, DCS questions. topic
Posted by Fred Ramos on 30 April, 2014 - 11:19 pm
Formula for Chemical Dosing
formula to use for Calcium Nitrate concentration?
Communications systems and equipment. topic
Posted by MrChampion on 30 April, 2014 - 7:14 pm
how to send floating point numbers using the ModbusRTU protocol?
how to send floating point numbers using the ModbusRTU protocol?
Sensor technologies. topic
Posted by WSNIA'14 Organizing Committee on 30 April, 2014 - 11:11 am
Wireless Sensor Networks for Industrial Applications Workshop (WSNIA'14) Call for Papers, Due on May 30th, 2014
Call for Papers/Posters: 2014 International Workshop on Wireless Sensor Networks for Industrial Applications (WSNIA-2014), August 17-20, 2014, Niagara Falls, Ontario, Canada.
Software, including programming, OS issues, etc. topic
Posted by Bob Peterson on 30 April, 2014 - 9:29 am
Linux Ethernet/IP Driver
How to use Red Hat Linux to collect data directly from Allen-Bradley CompactLogix PLCs?
Engineering and workplace issues. topic
Posted by HH on 30 April, 2014 - 7:36 am
Beginner in HAZOP study
What standards and codes are there for HAZOP?
Power generation equipment control. topic
Posted by Danish on 29 April, 2014 - 4:43 pm
Transmission line safe distance from Gas Vent tower
220 KV transmission line safe distance from the Gas vent tower.
Power generation equipment control. topic
Posted by Krishna on 29 April, 2014 - 2:25 am
Ratchet fails to brake Frame-5 Gas Turbine
Ratchet motor with cooldown ON fails to brake the Gas Turbine rotor.
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