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from the Brain Dump department...
Control.com Post Archive
Power generation equipment control. topic
Posted by henry lob on 7 August, 2014 - 7:24 am
voltage variation with load variation on generators
increase in voltage with increase in load tripping tools
Engineering and workplace issues. topic
Posted by Vignesh on 7 August, 2014 - 5:03 am
Equal Percentage Valve
Why equal percentage control valve is commonly used in steam line?
Power generation equipment control. topic
Posted by N.V.Q on 7 August, 2014 - 4:47 am
PSVO servo control module
Mark VI hardware system---PSVO servo control module
Power generation equipment control. topic
Posted by Izhar on 6 August, 2014 - 12:53 pm
Gas Turbine Gearbox Bearing Damage
Possible causes for gas turbine gearbox bearing damage
Engineering and workplace issues. topic
Posted by Rushi Shroff on 6 August, 2014 - 10:20 am
Relationship between VLSI & Embedded Hardware Design...
Design of Digital Systems, System Architectures, Hardware description Languages required for VLSI Design such as VHDL and Verilog.FPGAs, CPLDs, ASIC Design Issues, CMOS Technology, VLSI Design techniques & Relationship with embedded hardware.
Communications systems and equipment. topic
Posted by Debo on 6 August, 2014 - 3:25 am
Communications between AB PLC and Siemens HMI
AB PLC cannot communicate with Siemens TP1200 HMI over ethernet i/p. PLC and HMI are in different gateways.
Computers in manufacturing; also hardware discussion. topic
Posted by Patxi on 5 August, 2014 - 1:17 pm
Transferring Parameters from BOSCH 120
How to transfer the parameters and programs from the BOSCH CC120 to/from a PC?
PLCs and related questions. topic
Posted by hanninpe on 5 August, 2014 - 5:57 am
Siemens Siwarex U zeroing problem
Zeroing Siwarex U with SFC58 fails randomly, what could cause?
Application Questions and Problems topic
Posted by Abhi on 5 August, 2014 - 4:22 am
Looking for mA to Ohm Converter
Looking for a device that can convert 4-20 mADC or 0-10 VDC to 1~5 KOhms.
Continuous process industries, DCS questions. topic
Posted by mahmoud on 5 August, 2014 - 4:09 am
Temperature Controller Problem
Problems reading RKC temperature controller.
Communications systems and equipment. topic
Posted by control on 4 August, 2014 - 8:53 pm
Modbus interface with T3000
Other than Siemens device to interface with Siemens T3000 for modbus communication
Power generation equipment control. topic
Posted by N.V.Q on 4 August, 2014 - 8:26 pm
Mark VIe control system
Mark VI steam turbine and generator control system
Communications systems and equipment. topic
Posted by Vinay on 4 August, 2014 - 8:17 am
Interfacing of a Transmitter directly to a PC
To be able to display a process value directly in a PC without using PC based SCADA system
Information resources, documentation. topic
Posted by Rushi Shroff on 3 August, 2014 - 10:46 am
Re: Choice of a Embedded Processor: DSP or Micro controller
Choice of a Embeddded Processor : DSP or Micro controller for Industrial Automation System
Power generation equipment control. topic
Posted by AR1969 on 3 August, 2014 - 6:42 am
DLN-1 Lean lean & extended lean lean mode of operation
What is the Maintenance factor (MF) for lean lean mode of operation, GE specifies a MF of 10 for Extended lean lean (high load) but does not specify the MF for lean lean mode (part load).
Power generation equipment control. topic
Posted by Ram on 2 August, 2014 - 6:06 am
Power factor compensation
How does reactive power compensation work?
Local and wide area networking in factory automation. topic
Posted by Plutonius on 1 August, 2014 - 9:08 pm
RS485 Issues - Modbus Temperature Controller to Ethernet
I am currently have a bit of an issue connecting to a Love 2600 temperature controller via RS485 full duplex with a Grid Connect NET485 Modbus RTU to TCP ethernet bridge.
Engineering and workplace issues. topic
Posted by Lc1 on 1 August, 2014 - 11:38 am
2 Wire Loop Powered Transmitter
Powering a 2 wire loop powered transmitter
Application Questions and Problems topic
Posted by Ken on 1 August, 2014 - 10:19 am
Controling an 8Kw electric heater
Bought old never used 8Kw ceiling mount electric heater, trying to figure wiring.
Power generation equipment control. topic
Posted by humble3 on 1 August, 2014 - 6:45 am
Heavy Mist/oil leaking from GE frame 9 mist Eliminator
Our mist eliminator is bringing out heavy mist which then condensate back to oil - causing serious oil shortage
PLCs and related questions. topic
Posted by Donovan on 1 August, 2014 - 3:15 am
Send And Recieve data between To S7-1200 Plc's
Need Help on how to transfer data between two S7-1200 Plc's
Power generation equipment control. topic
Posted by sreekanth on 1 August, 2014 - 12:55 am
GT unit was tripped from the HVAC short circuit
The GT frame 6b and the control system is MARK VI TMR unit was tripped from the HVAC short circuit.
PLCs and related questions. topic
Posted by Curt Wuollet on 31 July, 2014 - 4:33 pm
Need a siemens expert
Can I replace a toasted analog module on a S7-224 without having the program?
Communications systems and equipment. topic
Posted by vasudevan on 31 July, 2014 - 6:22 am
Read/Write serial port using php
Read/Write from windows serial port using php
Engineering and workplace issues. topic
Posted by amanemisa on 31 July, 2014 - 4:35 am
Orifice Tapping Point
Orifice tapping point for additional DP flow transmitter
Power generation equipment control. topic
Posted by any author on 31 July, 2014 - 3:40 am
Surge protection trip for V64.3A model Ansaldo make Gas Turbine
Gas Turbine power station has tripped on surge protection many times due to grid frequencies variation from 50Hz to 49.2Hz.
Engineering and workplace issues. topic
Posted by raynvd on 30 July, 2014 - 9:03 am
VFD Pump Control
Is VFD pump control faster than pneumatic valve control
Engineering and workplace issues. topic
Posted by Anil Bathra on 30 July, 2014 - 3:49 am
Control Valve Questions
fail safe position of control valve
Programming languages. topic
Posted by Eric on 29 July, 2014 - 3:50 pm
KOYO vs ADC memory type
KOYO and ADC - what do they stand for?
PLCs and related questions. topic
Posted by Chris IWO on 29 July, 2014 - 2:35 am
Genius Bus
Lost of Genius Bus LAN
Continuous process industries, DCS questions. topic
Posted by song on 29 July, 2014 - 1:25 am
Bypass Valve Fail Position
What is the moist suitable failure position for turbine bypass valve?
Motion control, servos, steppers, etc. topic
Posted by raph_rf on 29 July, 2014 - 12:04 am
New to the motion world
Hello I have a new project with 11 axes of motion (Servos) and need advice on one of three options.
Power generation equipment control. topic
Posted by N.V.Q on 28 July, 2014 - 10:43 pm
Mark VIe logic block
Time_Sec block in Mark VIe system.
Information resources, documentation. topic
Posted by Asko on 28 July, 2014 - 4:09 pm
Null current shift in hydraulic proportional actuator
Impact of null current shift in proportional electric actuator
Continuous process industries, DCS questions. topic
Posted by AS on 28 July, 2014 - 4:01 am
Piezo and Torquemotor based Valve positioners
Properties of Torquemotor and piezo based valve positioner. Function of Spool Valve in Valve Positioners.
Power generation equipment control. topic
Posted by masoud on 28 July, 2014 - 2:36 am
Standby AC power supply for power plant
Which is a more reliable AC backup power supply UPS or Inverter?
Engineering and workplace issues. topic
Posted by Sara khaan on 28 July, 2014 - 2:29 am
LQR Command and failed stabilization
Getting errors when using dlqr command for my state space equation
Power generation equipment control. topic
Posted by Meganathan S on 28 July, 2014 - 2:14 am
Re: 9fa Gas Compartment Vent Fan 88vl
Improper ventilation in gas compartment
Power generation equipment control. topic
Posted by Yassar on 27 July, 2014 - 1:53 pm
MARK VIe Thermocouples
Questions about thermocouples and MARK VIe
Sensor technologies. topic
Posted by shep on 25 July, 2014 - 8:52 pm
Re-calibrating Rosemount Transmitters
Re-calibrating Rosemount Transmitters after power is removed?
Computers in manufacturing; also hardware discussion. topic
Posted by Russ Miller on 25 July, 2014 - 3:59 pm
3A Convenience Receptacle
3A Convenience receptacle requirement.
Power generation equipment control. topic
Posted by Yassar on 25 July, 2014 - 2:55 am
Lube oil level
Lube oil level dropping as temperature increases
Communications systems and equipment. topic
Posted by Raymond Laib on 24 July, 2014 - 9:55 pm
Displaying PF525 VFD drive faults via Stratix
PF525 VFD drive faults via Stratix 8000 to be displayed on a HMI.
Engineering and workplace issues. topic
Posted by GE on 24 July, 2014 - 8:55 am
Using Synthetic Oil in Gas Generator
Why use synthetic oil in GE LM 2500 gas turbine?
Power generation equipment control. topic
Posted by ABDI on 24 July, 2014 - 1:56 am
IGV for DLN Type Without IBH
If a turbine has DLN (Dry Low NOx) combustors, IGV exhaust temperature control is not operator-selectable. Is it always on?
PLCs and related questions. topic
Posted by Daniel on 23 July, 2014 - 3:00 pm
FFL instruction weird behaviour
FFL instruction sometimes doesn't load data into FIFO
Information resources, documentation. topic
Posted by Daniel on 23 July, 2014 - 1:01 pm
ATEX certified 24VDC fan
Looking for a supplier for a small 24VDC (or 230VAC) Ex-d or Ex-e fan
Motion control, servos, steppers, etc. topic
Posted by yazooka on 23 July, 2014 - 8:47 am
VFD and nominal RPM of motor
Nominal RPM on motor plate lower than can be set in VFD
Power generation equipment control. topic
Posted by Arianna Mambrini on 23 July, 2014 - 4:30 am
Problems with air intake and dirty turbine
Air intake filters clean but turbine dirty
Sensor technologies. topic
Posted by christine on 23 July, 2014 - 4:30 am
1oo2 voting for temperature transmitter
1oo2 voting for temperature transmitter
Power generation equipment control. topic
Posted by Shaheed on 23 July, 2014 - 3:22 am
Selection of VCB as per short circuit current
Do we need to replace the VCB of a machine with higher short circuit rating if more machines add parallel at same bus bar.
Local and wide area networking in factory automation. topic
Posted by michael on 22 July, 2014 - 3:04 am
Communication Error with MODBUS DCS RTU
MODBUS over ethernet connection between yokogawa DCS and abb rtu anr96 has a communication error after several minutes.

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
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