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from the Brain Dump department...
Control.com Post Archive
Power generation equipment control. topic
Posted by fluidflow on 22 July, 2014 - 1:04 am
Generator and Capacitor Bank
Totally stumped by the recent brawl over utility of capacitor bank in power generation.
Communications systems and equipment. topic
Posted by Suraj on 21 July, 2014 - 11:00 pm
S7-1500 CM541 Serial RS232 ASCII help
Point to point Serial RS232 ASCII communication in TIAV13
Software, including programming, OS issues, etc. topic
Posted by viks on 21 July, 2014 - 2:28 am
Modbus RTU utilities
help needed in finding the software facilitating reading data from the sensors via RS485 into industrial computer and providing it for a SCADA application.
PLCs and related questions. topic
Posted by majji raju on 21 July, 2014 - 1:27 am
GE Fanuc rx7i PLC Not Going into Run Mode
PLC goes into halt mode after detecting 'CONTROLLER CPU HARDWARE FAILURE' fault
Continuous process industries, DCS questions. topic
Posted by Rupert on 20 July, 2014 - 2:25 pm
Simple model-based control example
MPC example
Power generation equipment control. topic
Posted by moiz on 20 July, 2014 - 8:52 am
Gas Turbine Negative Lean Lean Mode
Want to know about negative lean lean mode of gas turbine
Engineering and workplace issues. topic
Posted by Josh on 19 July, 2014 - 11:45 pm
Flange Adaptor and Isolation for Press Transmitter
Mismatching flange between tank nozzle and transmitter
Power generation equipment control. topic
Posted by SB on 19 July, 2014 - 4:51 pm
Understanding Control Specification for Gas Turbine
Please help understanding control specification of GE-design heavy duty gas turbine
Power generation equipment control. topic
Posted by Izhar on 19 July, 2014 - 4:24 pm
Exit Guide vanes of Gas Turbines
Gas turbine exit guide vanes and how to use them
Communications systems and equipment. topic
Posted by bammaroc on 18 July, 2014 - 1:45 pm
Communication between DCS CS 3000 and Allen Bradley FlexLogix 5434
communication between DCS CS 3000 and Allen Bradley platform FlexLogix 5434 using Modbus protocol
Engineering and workplace issues. topic
Posted by dbnaca on 17 July, 2014 - 4:27 pm
Control Wire Shielding with Clear Shrink Tubing
Is there a code requiring the use of clear heat shrink tubing on the shield wire for control cabling?
Power generation equipment control. topic
Posted by tommycai on 17 July, 2014 - 3:26 am
Seismic Qualifications and Equipment Qualifications in NPP
Are there standards for EQ/SQ In NPP?
Power generation equipment control. topic
Posted by RAJESH on 16 July, 2014 - 5:32 pm
Calibrating a Vibration Monitor
How to calibrate velometer in vibration?
Power generation equipment control. topic
Posted by Jhon on 16 July, 2014 - 2:03 am
Field Balancing
High vibration problem on a two shaft gas turbine. Need help on Field Balancing.
Engineering and workplace issues. topic
Posted by mmsystems on 16 July, 2014 - 1:51 am
Centum VP Logic
write a logic for PUMP
Power generation equipment control. topic
Posted by KmnsKiran on 15 July, 2014 - 10:19 pm
Torque Feedback not resetting in ALSPA CONTROCAD HMI
While operating a MOV from engineering station by forcing its output open and close commands, its feedback is coming in HMI and Eng station. But close torque is not getting reset in HMI.
Software, including programming, OS issues, etc. topic
Posted by TiB0 on 15 July, 2014 - 5:33 am
Problems with ABB DigiVis/Excel Reports
ABB DigiVis crashes after several hours with DataLog via Excel Reports
Continuous process industries, DCS questions. topic
Posted by Gopinath on 15 July, 2014 - 3:20 am
Operation of Shutdown and Blowdown Valves
Can anyone explain the shutdown valve (SDV) & Blowdown valve (BDV) operation?
Power generation equipment control. topic
Posted by kiran on 14 July, 2014 - 9:23 pm
Evaporator cooler pumps having problem in GE 7FA
Frequently losing suction by pumps and pump discharge flow switch failing.
PLCs and related questions. topic
Posted by Ignacio Castaneda on 14 July, 2014 - 2:13 pm
switch broken on PLC. Can this be fixed?
Broken switch on PLC
Power generation equipment control. topic
Posted by Sam on 14 July, 2014 - 12:51 pm
Synchronising Two Gas engines to share a load
Software and hardware required to enable two Gas Engines in Parallel mode operation to share the load in island operation?
PLCs and related questions. topic
Posted by rileydc on 14 July, 2014 - 12:14 pm
RSLinx help - loop - image
Loop help
Motion control, servos, steppers, etc. topic
Posted by Carlos Loureiro on 14 July, 2014 - 10:07 am
Field-bus Actuator Recommendation
Looking for recommendations for a Field-bus Actuator
Application Questions and Problems topic
Posted by syed on 14 July, 2014 - 9:24 am
lube oil level
Which Lube oil tnk level to be used: Absolute or relative
Power generation equipment control. topic
Posted by Izhar on 13 July, 2014 - 2:59 pm
Compressor Thrust
What direction is the total thrust in a gas turbine?
Sensor technologies. topic
Posted by ANA on 12 July, 2014 - 3:11 pm
Single Controller for a Flow and Pressure Control Valve
Single controller for multiple purposes
Power generation equipment control. topic
Posted by shunli on 12 July, 2014 - 11:20 am
what does the "CROSS-TALK" mean?
Please define Cross Talk and PCC
Power generation equipment control. topic
Posted by saha on 12 July, 2014 - 7:45 am
Operation of speed control loop FSRNV3
Operation of speed control loop FSRNV3
Power generation equipment control. topic
Posted by Neo on 11 July, 2014 - 10:48 pm
Getting a better understanding of GT control PART 2
Getting a better understanding of GT control PART 2.
Power generation equipment control. topic
Posted by Trimate on 11 July, 2014 - 12:51 pm
Mark VIe Cimplicity Command Freeze
I have some problems regarding Mark VIe Cimplicity Software that its command cannot be activated (freeze status).
PLCs and related questions. topic
Posted by Reeny on 11 July, 2014 - 12:26 pm
Siemens PLCs
steady red EF BF LEDs after trying to connect S7-400 cpu414 to pc (5611 pci card), the remedy?
Application Questions and Problems topic
Posted by Overamoed on 11 July, 2014 - 11:27 am
Installing muffin fans
Best way to install muffin fans.
Sensor technologies. topic
Posted by Adom David on 11 July, 2014 - 5:00 am
Research on sensors
Calculation of Reliability and MTBF OF SENSORS
Engineering and workplace issues. topic
Posted by Lucky on 11 July, 2014 - 2:49 am
Dew Point temperature of Natural Gas
How to calculate the dew point temperature of the Natural Gas?
Power generation equipment control. topic
Posted by Franco Kew on 10 July, 2014 - 10:06 pm
VFD AC Motor Issue
Starting and running an ABB type AC motor
Human-Machine Interface and SCADA. topic
Posted by Anonymous on 10 July, 2014 - 12:27 pm
VTScada 11 hmi software? Any thoughts
Looking for feedback on anyone who has integrated systems using this software.
Power generation equipment control. topic
Posted by saha on 10 July, 2014 - 10:43 am
FSR Startup Temperature
Compressor Discharge temperature & FSR startup (FSRSU)relationship
Power generation equipment control. topic
Posted by Not the real CSA on 9 July, 2014 - 7:45 pm
Calibrating SRV with HR pump
What is the correct procedure for calibrating SRV with HR pump

Power generation equipment control. topic
Posted by Not the real CSA on 9 July, 2014 - 5:32 pm
Problem with modbus getway
Communicating with Mark VI via HMI or getway
Power generation equipment control. topic
Posted by SSV on 9 July, 2014 - 2:01 pm
DLN1 facing secondary flame out during premix to lean lean
DLN1 facing secondary flame out during premix to lean lean
Power generation equipment control. topic
Posted by Kevin on 8 July, 2014 - 8:17 pm
GE Mark VI/VIe HMI and Software Questions
Specific questions about Mark VI and VIe.
Motion control, servos, steppers, etc. topic
Posted by Grimreaper on 8 July, 2014 - 5:05 pm
electrical servo drives health check
On site servo drives health check
Engineering and workplace issues. topic
Posted by Amit on 8 July, 2014 - 3:47 am
SIS Control
Incorporation of control and protection function in SIS
Power generation equipment control. topic
Posted by Ali on 7 July, 2014 - 10:09 pm
difference between AFQ & AFQD signals for GE turbine
GE MARK VI for 7F DLN2.6 Machines
Information resources, documentation. topic
Posted by A Nasser on 7 July, 2014 - 12:57 pm
How to learn DCS System?
How to learn DCS System?
Power generation equipment control. topic
Posted by Nguyen Thanh Son on 7 July, 2014 - 12:18 pm
Cannot Print alarms from MKVI control system
problem: Cannot Print alarm messages in MKVI control system
Power generation equipment control. topic
Posted by Izhar on 7 July, 2014 - 11:52 am
Frame 9E Gas Turbine
Frame 9E gas tubine impulse/reaction stages and special coating on compressor stages.
Communications systems and equipment. topic
Posted by MH on 7 July, 2014 - 7:20 am
Socomec DIRIS A40 Modbus RS485 Problem
Socomec DIRIS A40 RS485 ModBus communications problem
Power generation equipment control. topic
Posted by electricalman on 7 July, 2014 - 3:58 am
EX2000 Fault : ST 717_ _PS AC IN and FL 711_ _MCP SYNC
We have EX2000 with static exciter type which is installed on our Steam Turbine Generator, made by GE.
Continuous process industries, DCS questions. topic
Posted by RAJESH on 6 July, 2014 - 4:34 pm
Reading Hot Thermocouple
Does a hot thermocouple in junction box give an actual reading?
Motion control, servos, steppers, etc. topic
Posted by alancars on 6 July, 2014 - 3:37 pm
hand off auto - wiring a mcc bucket
does hand mean hand or Auto?
PLCs and related questions. topic
Posted by Actarus800 on 6 July, 2014 - 11:44 am
Beckhoff BC9000 FB_SNTP Clock Synchronization
Beckhoff BC9000 FB_SNTP Clock Synchronization
Power generation equipment control. topic
Posted by Mahdi on 6 July, 2014 - 11:34 am
FSR control frequently balancing
FSR control frequently balancing between minimum fuel, acceleration and speed load
Power generation equipment control. topic
Posted by V K GUPTA on 6 July, 2014 - 9:00 am
MARK-VIE SOE ALARM
MARK-VIE SOE ALARM APPEARED FREQUENTLY IN GT RUNNING OR STOP CONDITION
Power generation equipment control. topic
Posted by ashiq on 6 July, 2014 - 8:13 am
Excitation alarm rotor current limit high
Excitation system triggered rotor current limit high alarm
PLCs and related questions. topic
Posted by Reeny on 6 July, 2014 - 7:36 am
Siemens PLCs s7-400 backup
Creating a backup for an s7-400
Engineering and workplace issues. topic
Posted by Santanu Das on 6 July, 2014 - 2:25 am
Electrical Engineering-Protection
Is it true that during short circuit of 3Phase line no zero sequence current will flow?
Engineering and workplace issues. topic
Posted by Santanu Das on 6 July, 2014 - 2:22 am
Electrical Engineering-Transformer
Is there any formula for calculating the number of turns in each side of a transformer??
Power generation equipment control. topic
Posted by Sajan Shrestha on 5 July, 2014 - 11:57 pm
Alstom ALSPA P320 HDSR
Accessing historical data base when using Alstom ALSPA P320 HDSR in Virtual Machines
Power generation equipment control. topic
Posted by samtronic on 4 July, 2014 - 4:48 pm
IGV position Trouble
IGV feed back error
Software, including programming, OS issues, etc. topic
Posted by ANWESHA on 4 July, 2014 - 11:09 am
Reading or writing Text (string) from OPC in CS3000
Is it possible to Read 'Text/string' data from OPC into Yokogawa CS3000 system?
Sensor technologies. topic
Posted by Kevlonski on 4 July, 2014 - 8:51 am
Limit switch
Looking for limit switch compatibility between VDC and VAC
Continuous process industries, DCS questions. topic
Posted by kamaraj on 4 July, 2014 - 6:13 am
DP to Flow conversion
can we directly configure square rooted DP (4 - 20mA) from DP transmitter to flow
Local and wide area networking in factory automation. topic
Posted by shan marshal on 4 July, 2014 - 3:31 am
Connecting a Emmerson AMS
Connecting a Emmerson AMS for Profibus
The Business of Automation and Control topic
Posted by Jim Pinto on 3 July, 2014 - 12:40 pm
JimPinto.com eNews - Final issue - 3 July 2014
The last JimPinto eNews is available at http://www.jimpinto.com/enews/final3july2014.html
Local and wide area networking in factory automation. topic
Posted by P Paul on 3 July, 2014 - 11:58 am
RS485 multidrop network drops after few days
Modbus connections drops after few days and it resumes by changing modbus parameters in slave device.
Engineering and workplace issues. topic
Posted by Clay Robbins on 3 July, 2014 - 11:54 am
Liability?
Am I personally liable if I build a machine without safety features to prevent an operator from getting hurt?
Engineering and workplace issues. topic
Posted by ANWESHA on 3 July, 2014 - 4:08 am
Reading text information from OPC to yokogawa CS3000
Is it possible to read text/string from OPC to CS3000 in some way?
I would like to read a Batch number which is scanned and fed to OPC and display in the graphics of CS3000.
Is that possible?
Engineering and workplace issues. topic
Posted by Biky on 3 July, 2014 - 1:38 am
Junction Box Ex 'e' 'p' Calculation
Looking for a junction box Ex 'e' 'p' Calculation
Engineering and workplace issues. topic
Posted by JBMichael on 2 July, 2014 - 3:40 pm
GFCI
I would like to install a GFCI in a control cabinet for a CNC machine.
Motion control, servos, steppers, etc. topic
Posted by xibalban on 2 July, 2014 - 3:21 pm
Maintaining constant RPM
Energy stored in wounded spring!
Continuous process industries, DCS questions. topic
Posted by GARY on 2 July, 2014 - 2:01 pm
ABB acs800M
we are using acs800M drives we are loosing the capacitor banks regularly in the filter unit in the convertor side. what could be the reason for these regular blast outs of capacitors and how can we control it .
Communications systems and equipment. topic
Posted by yazooka on 2 July, 2014 - 11:16 am
variable frequency drives, usb-to-rs232
multiport USB-to-RS232 to communicate with VFDs
Human-Machine Interface and SCADA. topic
Posted by Chris Jennings on 2 July, 2014 - 5:50 am
Re: Wonderware windowviewer issue
Wonderware windowviewer issue
Continuous process industries, DCS questions. topic
Posted by vashstampede1321 on 2 July, 2014 - 4:00 am
master controller MPC 3000
Having problems looking for schematics for a MPC3000 microprocessor based master controller ..i hope someone could help me out..
Engineering and workplace issues. topic
Posted by Remi Van Damme on 2 July, 2014 - 1:15 am
modbus-scada
is it possible in a modbus network to have a SCADA system which polls for data from the slaves and another SCADA system which also collects data from the same slaves?
Engineering and workplace issues. topic
Posted by Marie on 1 July, 2014 - 6:35 pm
Best Instrument for Measuring Air Flow at HVAC supply/return grilles
In a confined space without much room what works better to measure air flow at a supply or return grille, a hot wire anemometer or a rotating vane anemometer. Do you need to take multiple measurements and average them in using both instruments?
Software, including programming, OS issues, etc. topic
Posted by Frozenlock on 1 July, 2014 - 3:01 pm
Free BACnet explorer and webserver
I developed an open source BACnet software... I'm spreading the love ;-)
Power generation equipment control. topic
Posted by Uniport on 1 July, 2014 - 6:06 am
fault during synchronizing two generator set
High amps generated in generator during synchronization on NO LOAD.
Human-Machine Interface and SCADA. topic
Posted by Old Guy on 30 June, 2014 - 10:17 am
Multiple monitor one mouse
Operator has 2 computers each driving 4 monitors for a total of 8 monitors. Operator wants one mouse/keyboard for all 8. Anyone use "mouse without borders?"
Continuous process industries, DCS questions. topic
Posted by Matt Helm on 30 June, 2014 - 9:11 am
"Cushion arm" moves to soon, intermittently. Cause unknown and damaging product.
I have a receiving cushion that intermittently enters its down motion too early causing damage to the product. It is so intermittent that it's impossible to nail down the cause.
PLCs and related questions. topic
Posted by Satoshi Sakai on 30 June, 2014 - 6:54 am
Connection closing in Modbus-TCP
I would like to know if Modbus-TCP connection should be opened/closed in every command sending or not.
Human-Machine Interface and SCADA. topic
Posted by Daniel on 30 June, 2014 - 4:31 am
Wonderware windowviewer issue
Windowviewer only shows top.
Sensor technologies. topic
Posted by Joe on 29 June, 2014 - 7:10 am
How to measure tank level through differential pressure
Differential pressure as tank level incorrect reading
Engineering and workplace issues. topic
Posted by Not applicable on 29 June, 2014 - 3:54 am
Generator capacity
Calculation of capacity of generator.
Motion control, servos, steppers, etc. topic
Posted by amin on 29 June, 2014 - 1:24 am
Aeg minisemi dc drive
i need a user manual for Aeg minisemi dc drive.
Power generation equipment control. topic
Posted by aldorian on 28 June, 2014 - 7:46 pm
What is the expected speed after a ST SC5 at full load
I would like to know what is the expected speed follow up a trip in a SC5 steam turbine.
PLCs and related questions. topic
Posted by tn on 28 June, 2014 - 4:52 am
HIMA plc: downloading error
error code 166
Power generation equipment control. topic
Posted by BND on 28 June, 2014 - 4:31 am
GE Gas Turbine IGV angle
What is the logic? GTG is not operating in Temperature Control mode.
Motion control, servos, steppers, etc. topic
Posted by Bilash Khatua on 28 June, 2014 - 4:00 am
Variable frequency AC Drive
How load in form Torque varies with speed.............
Continuous process industries, DCS questions. topic
Posted by dvigneshwer on 27 June, 2014 - 2:38 am
Standards that have to be maintained by a microcontroller based control unit
Standards that have to be maintained by a microcontroller based control unit for electrical equipmets and products
PLCs and related questions. topic
Posted by dvigneshwer on 27 June, 2014 - 1:30 am
3 feeder system: PLC vs. Microcontrollers
hardwired 3 feeder system with control system in a remote place
Continuous process industries, DCS questions. topic
Posted by Jacob on 26 June, 2014 - 11:20 pm
Modeling system with P controller a 4-20mA valve
Modeling system with P controller a 4-20mA valve
Power generation equipment control. topic
Posted by MAZEN SHANABEASH on 26 June, 2014 - 6:07 pm
local workstation for gas turbine
difference between ALLEN BRADLEY workstation cat no. 6160-PCD466A, and ALLEN BRADLEY workstation cat no. 6160-PCD2B
Human-Machine Interface and SCADA. topic
Posted by gil on 26 June, 2014 - 10:10 am
intouch
Animation by intouch
Continuous process industries, DCS questions. topic
Posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Instrument Control Loop
Maintenance procedure of process control loop.
Power generation equipment control. topic
Posted by ReferenceMaker on 25 June, 2014 - 12:30 pm
Aero GT Maint Intervals
How are the intervals between major maintenance outages calculated for Aero GT's?
Engineering and workplace issues. topic
Posted by Sanjay Solanki on 25 June, 2014 - 11:54 am
GT not running at 100% rated RPM in Isochronous mode.
GT is not running at 100% rated speed when run in Isochronous mode but runs at 100% rated RPM when run in Droop mode.
PLCs and related questions. topic
Posted by amir qadri on 25 June, 2014 - 11:02 am
solartron 7915 flow computer
solartron flowcomputer 7915 showing error message bad ram checksum error, but it is working normal, printer is continuous writing, bad checksum error.
Engineering and workplace issues. topic
Posted by skilash on 25 June, 2014 - 10:28 am
Seal Oil/Hydrogen Differential Pressure
High generator seal oil flow, empty seal oil vacuum compartment, fluctuating differential pressure, high seal oil pump discharge pressure
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