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from the Brain Dump department...
Control.com Post Archive
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.
Human-Machine Interface and SCADA. topic
Posted by Anthony Porter on 28 April, 2014 - 6:45 pm
ABB / Bailey Conductor NT
Upgrading from Conductor NT 6.0 to Symphony Plus?
Computers in manufacturing; also hardware discussion. topic
Posted by Rudi on 28 April, 2014 - 11:16 am
Converting an Integer to S5Time in Access
Need to convert a integer in access or SQL to a S5Time format
Engineering and workplace issues. topic
Posted by farhan on 28 April, 2014 - 9:07 am
Boiler Drum Level
Boiler Drum Level measurement/securities
Power generation equipment control. topic
Posted by Shaker Hashlan on 28 April, 2014 - 5:56 am
OSI PI Engineering units conversion in GE Control System
Stuck with the US engineering units
Communications systems and equipment. topic
Posted by Chandler Chen on 28 April, 2014 - 4:48 am
Communication between INTOUCH and ABB ACS550
INTOUCH ABB ACS550
Engineering and workplace issues. topic
Posted by Michael Kruger on 28 April, 2014 - 3:43 am
2-car train system on inclined plane
State equations of a 2-car train connected with spring on an inclined slope.
Human-Machine Interface and SCADA. topic
Posted by Mostafa Qasemi on 28 April, 2014 - 1:10 am
Call up group trend in Honeywell Station
When calling up a group trend in Honeywell station pushbutton in HMI it does not go to correct group.
Power generation equipment control. topic
Posted by Adeel Imtiaz on 28 April, 2014 - 12:04 am
Vibration Trip
Vibration probes wire disconnection effect.
Power generation equipment control. topic
Posted by Jack on 27 April, 2014 - 8:36 pm
Transformer Multiple Grounding
Paralleling Transformer earthing connection
Continuous process industries, DCS questions. topic
Posted by MattQ on 27 April, 2014 - 2:33 pm
Comparing steam flow and feedwater flow
Looking to find out how a comparison of feedwater flow and steam flow is made.
Power generation equipment control. topic
Posted by Ahmed samy on 27 April, 2014 - 7:08 am
GSM Protocol and MARK VI
GSM connection between mark VI and Ovation
Local and wide area networking in factory automation. topic
Posted by PC Tan on 27 April, 2014 - 6:51 am
Does IEC61511 allow an ESD system on a control network?
Does IEC61511 allow an ESD system to be resident on a control network?
Programming languages. topic
Posted by Mostafa Qasemi on 26 April, 2014 - 12:30 pm
Honeywell scrip language
How can we learn Honeywell Scrip language?
PLCs and related questions. topic
Posted by Kamil ozkan on 26 April, 2014 - 1:04 am
Modicon M340 TCP Communication
Communication between Modicon M340 PLC and Weintek HMI via MODBUS TCP
Motion control, servos, steppers, etc. topic
Posted by Sweta on 25 April, 2014 - 5:13 am
Comparing the model of BLDC with a real BLDC motor
Where do I start to compare a model of bldc motor with a real one?
Power generation equipment control. topic
Posted by Santanu on 25 April, 2014 - 2:09 am
Distance Protection
What is the principle of operation of Distance Protection?
Power generation equipment control. topic
Posted by Santanu on 25 April, 2014 - 2:06 am
Under frequency protection of Generator connected to infinity bus
Why are there under frequency or over-frequency protection trip in Generator connected to infinity bus?
Power generation equipment control. topic
Posted by Napster225 on 25 April, 2014 - 12:50 am
Flame stability
Significance of flame profile
The Business of Automation and Control topic
Posted by Jim Pinto on 24 April, 2014 - 8:24 pm
JimPinto.com eNews 25 April 2014
The latest JimPinto.com eNews is on the web
Software, including programming, OS issues, etc. topic
Posted by lalas on 24 April, 2014 - 3:54 pm
OPC tags stop updating...start once the tags are added again
Using an OPC client, the values stopped updating after a while (20 days).
Engineering and workplace issues. topic
Posted by S D Jana on 24 April, 2014 - 3:37 pm
Water Treatment Plant Iconic Load
DM stream ionic load is lower than design in water treatment plant
Power generation equipment control. topic
Posted by GE on 24 April, 2014 - 12:38 am
HP & LP speed in GE gas turbine
What is the difference between HP & LP speed
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