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Forum Archive
Calibrating a Vibration Monitor
Posted by RAJESH on 16 July, 2014 - 5:32 pm
How to calibrate velometer in vibration?
2
replies
Field Balancing
Posted by Jhon on 16 July, 2014 - 2:03 am
High vibration problem on a two shaft gas turbine. Need help on Field Balancing.
Centum VP Logic
Posted by mmsystems on 16 July, 2014 - 1:51 am
write a logic for PUMP
Torque Feedback not resetting in ALSPA CONTROCAD HMI
Posted by KmnsKiran on 15 July, 2014 - 10:19 pm
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.
Problems with ABB DigiVis/Excel Reports
Posted by TiB0 on 15 July, 2014 - 5:33 am
ABB DigiVis crashes after several hours with DataLog via Excel Reports
Operation of Shutdown and Blowdown Valves
Posted by Gopinath on 15 July, 2014 - 3:20 am
Can anyone explain the shutdown valve (SDV) & Blowdown valve (BDV) operation?
1
reply
Evaporator cooler pumps having problem in GE 7FA
Posted by kiran on 14 July, 2014 - 9:23 pm
Frequently losing suction by pumps and pump discharge flow switch failing.
switch broken on PLC. Can this be fixed?
Posted by Ignacio Castaneda on 14 July, 2014 - 2:13 pm
Broken switch on PLC
Synchronising Two Gas engines to share a load
Posted by Sam on 14 July, 2014 - 12:51 pm
Software and hardware required to enable two Gas Engines in Parallel mode operation to share the load in island operation?
RSLinx help - loop - image
Posted by rileydc on 14 July, 2014 - 12:14 pm
Loop help
4
replies
Field-bus Actuator Recommendation
Posted by Carlos Loureiro on 14 July, 2014 - 10:07 am
Looking for recommendations for a Field-bus Actuator
4
replies
lube oil level
Posted by syed on 14 July, 2014 - 9:24 am
Which Lube oil tnk level to be used: Absolute or relative
12
replies
Compressor Thrust
Posted by Izhar on 13 July, 2014 - 2:59 pm
What direction is the total thrust in a gas turbine?
3
replies
Single Controller for a Flow and Pressure Control Valve
Posted by ANA on 12 July, 2014 - 3:11 pm
Single controller for multiple purposes
2
replies
what does the "CROSS-TALK" mean?
Posted by shunli on 12 July, 2014 - 11:20 am
Please define Cross Talk and PCC
1
reply
Operation of speed control loop FSRNV3
Posted by saha on 12 July, 2014 - 7:45 am
Operation of speed control loop FSRNV3
38
replies
Getting a better understanding of GT control PART 2
Posted by Neo on 11 July, 2014 - 10:48 pm
Getting a better understanding of GT control PART 2.
Mark VIe Cimplicity Command Freeze
Posted by Trimate on 11 July, 2014 - 12:51 pm
I have some problems regarding Mark VIe Cimplicity Software that its command cannot be activated (freeze status).
Siemens PLCs
Posted by Reeny on 11 July, 2014 - 12:26 pm
steady red EF BF LEDs after trying to connect S7-400 cpu414 to pc (5611 pci card), the remedy?
1
reply
Installing muffin fans
Posted by Overamoed on 11 July, 2014 - 11:27 am
Best way to install muffin fans.
Research on sensors
Posted by Adom David on 11 July, 2014 - 5:00 am
Calculation of Reliability and MTBF OF SENSORS
10
replies
Dew Point temperature of Natural Gas
Posted by Lucky on 11 July, 2014 - 2:49 am
How to calculate the dew point temperature of the Natural Gas?
VFD AC Motor Issue
Posted by Franco Kew on 10 July, 2014 - 10:06 pm
Starting and running an ABB type AC motor
VTScada 11 hmi software? Any thoughts
Posted by Anonymous on 10 July, 2014 - 12:27 pm
Looking for feedback on anyone who has integrated systems using this software.
2
replies
FSR Startup Temperature
Posted by saha on 10 July, 2014 - 10:43 am
Compressor Discharge temperature & FSR startup (FSRSU)relationship
1
reply
Calibrating SRV with HR pump
Posted by Not the real CSA on 9 July, 2014 - 7:45 pm
What is the correct procedure for calibrating SRV with HR pump
5
replies
Problem with modbus getway
Posted by Not the real CSA on 9 July, 2014 - 5:32 pm
Communicating with Mark VI via HMI or getway
4
replies
DLN1 facing secondary flame out during premix to lean lean
Posted by SSV on 9 July, 2014 - 2:01 pm
DLN1 facing secondary flame out during premix to lean lean
4
replies
GE Mark VI/VIe HMI and Software Questions
Posted by Kevin on 8 July, 2014 - 8:17 pm
Specific questions about Mark VI and VIe.
electrical servo drives health check
Posted by Grimreaper on 8 July, 2014 - 5:05 pm
On site servo drives health check
SIS Control
Posted by Amit on 8 July, 2014 - 3:47 am
Incorporation of control and protection function in SIS
3
replies
difference between AFQ & AFQD signals for GE turbine
Posted by Ali on 7 July, 2014 - 10:09 pm
GE MARK VI for 7F DLN2.6 Machines
How to learn DCS System?
Posted by A Nasser on 7 July, 2014 - 12:57 pm
How to learn DCS System?
4
replies
Cannot Print alarms from MKVI control system
Posted by Nguyen Thanh Son on 7 July, 2014 - 12:18 pm
problem: Cannot Print alarm messages in MKVI control system
4
replies
Frame 9E Gas Turbine
Posted by Izhar on 7 July, 2014 - 11:52 am
Frame 9E gas tubine impulse/reaction stages and special coating on compressor stages.
1
reply
Socomec DIRIS A40 Modbus RS485 Problem
Posted by MH on 7 July, 2014 - 7:20 am
Socomec DIRIS A40 RS485 ModBus communications problem
5
replies
EX2000 Fault : ST 717_ _PS AC IN and FL 711_ _MCP SYNC
Posted by electricalman on 7 July, 2014 - 3:58 am
We have EX2000 with static exciter type which is installed on our Steam Turbine Generator, made by GE.
6
replies
Reading Hot Thermocouple
Posted by RAJESH on 6 July, 2014 - 4:34 pm
Does a hot thermocouple in junction box give an actual reading?
1
reply
hand off auto - wiring a mcc bucket
Posted by alancars on 6 July, 2014 - 3:37 pm
does hand mean hand or Auto?
Beckhoff BC9000 FB_SNTP Clock Synchronization
Posted by Actarus800 on 6 July, 2014 - 11:44 am
Beckhoff BC9000 FB_SNTP Clock Synchronization
1
reply
FSR control frequently balancing
Posted by Mahdi on 6 July, 2014 - 11:34 am
FSR control frequently balancing between minimum fuel, acceleration and speed load
6
replies
MARK-VIE SOE ALARM
Posted by V K GUPTA on 6 July, 2014 - 9:00 am
MARK-VIE SOE ALARM APPEARED FREQUENTLY IN GT RUNNING OR STOP CONDITION
Excitation alarm rotor current limit high
Posted by ashiq on 6 July, 2014 - 8:13 am
Excitation system triggered rotor current limit high alarm
Siemens PLCs s7-400 backup
Posted by Reeny on 6 July, 2014 - 7:36 am
Creating a backup for an s7-400
Electrical Engineering-Protection
Posted by Santanu Das on 6 July, 2014 - 2:25 am
Is it true that during short circuit of 3Phase line no zero sequence current will flow?
1
reply
Electrical Engineering-Transformer
Posted by Santanu Das on 6 July, 2014 - 2:22 am
Is there any formula for calculating the number of turns in each side of a transformer??
Alstom ALSPA P320 HDSR
Posted by Sajan Shrestha on 5 July, 2014 - 11:57 pm
Accessing historical data base when using Alstom ALSPA P320 HDSR in Virtual Machines
4
replies
IGV position Trouble
Posted by samtronic on 4 July, 2014 - 4:48 pm
IGV feed back error
Reading or writing Text (string) from OPC in CS3000
Posted by ANWESHA on 4 July, 2014 - 11:09 am
Is it possible to Read 'Text/string' data from OPC into Yokogawa CS3000 system?
1
reply
Limit switch
Posted by Kevlonski on 4 July, 2014 - 8:51 am
Looking for limit switch compatibility between VDC and VAC
6
replies
DP to Flow conversion
Posted by kamaraj on 4 July, 2014 - 6:13 am
can we directly configure square rooted DP (4 - 20mA) from DP transmitter to flow
Connecting a Emmerson AMS
Posted by shan marshal on 4 July, 2014 - 3:31 am
Connecting a Emmerson AMS for Profibus
JimPinto.com eNews - Final issue - 3 July 2014
Posted by Jim Pinto on 3 July, 2014 - 12:40 pm
The last JimPinto eNews is available at http://www.jimpinto.com/enews/final3july2014.html
1
reply
RS485 multidrop network drops after few days
Posted by P Paul on 3 July, 2014 - 11:58 am
Modbus connections drops after few days and it resumes by changing modbus parameters in slave device.
8
replies
Liability?
Posted by Clay Robbins on 3 July, 2014 - 11:54 am
Am I personally liable if I build a machine without safety features to prevent an operator from getting hurt?
4
replies
Reading text information from OPC to yokogawa CS3000
Posted by ANWESHA on 3 July, 2014 - 4:08 am
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?
Junction Box Ex 'e' 'p' Calculation
Posted by Biky on 3 July, 2014 - 1:38 am
Looking for a junction box Ex 'e' 'p' Calculation
1
reply
GFCI
Posted by JBMichael on 2 July, 2014 - 3:40 pm
I would like to install a GFCI in a control cabinet for a CNC machine.
2
replies
Maintaining constant RPM
Posted by xibalban on 2 July, 2014 - 3:21 pm
Energy stored in wounded spring!
1
reply
ABB acs800M
Posted by GARY on 2 July, 2014 - 2:01 pm
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 .
1
reply
variable frequency drives, usb-to-rs232
Posted by yazooka on 2 July, 2014 - 11:16 am
multiport USB-to-RS232 to communicate with VFDs
Re: Wonderware windowviewer issue
Posted by Chris Jennings on 2 July, 2014 - 5:50 am
Wonderware windowviewer issue
master controller MPC 3000
Posted by vashstampede1321 on 2 July, 2014 - 4:00 am
Having problems looking for schematics for a MPC3000 microprocessor based master controller ..i hope someone could help me out..
4
replies
modbus-scada
Posted by Remi Van Damme on 2 July, 2014 - 1:15 am
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?
Best Instrument for Measuring Air Flow at HVAC supply/return grilles
Posted by Marie on 1 July, 2014 - 6:35 pm
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?
Free BACnet explorer and webserver
Posted by Frozenlock on 1 July, 2014 - 3:01 pm
I developed an open source BACnet software... I'm spreading the love ;-)
1
reply
fault during synchronizing two generator set
Posted by Uniport on 1 July, 2014 - 6:06 am
High amps generated in generator during synchronization on NO LOAD.
3
replies
Multiple monitor one mouse
Posted by Old Guy on 30 June, 2014 - 10:17 am
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?"
"Cushion arm" moves to soon, intermittently. Cause unknown and damaging product.
Posted by Matt Helm on 30 June, 2014 - 9:11 am
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.
1
reply
Connection closing in Modbus-TCP
Posted by Satoshi Sakai on 30 June, 2014 - 6:54 am
I would like to know if Modbus-TCP connection should be opened/closed in every command sending or not.
3
replies
Wonderware windowviewer issue
Posted by Daniel on 30 June, 2014 - 4:31 am
Windowviewer only shows top.
5
replies
How to measure tank level through differential pressure
Posted by Joe on 29 June, 2014 - 7:10 am
Differential pressure as tank level incorrect reading
1
reply
Generator capacity
Posted by Not applicable on 29 June, 2014 - 3:54 am
Calculation of capacity of generator.
Aeg minisemi dc drive
Posted by amin on 29 June, 2014 - 1:24 am
i need a user manual for Aeg minisemi dc drive.
6
replies
What is the expected speed after a ST SC5 at full load
Posted by aldorian on 28 June, 2014 - 7:46 pm
I would like to know what is the expected speed follow up a trip in a SC5 steam turbine.
HIMA plc: downloading error
Posted by tn on 28 June, 2014 - 4:52 am
error code 166
14
replies
GE Gas Turbine IGV angle
Posted by BND on 28 June, 2014 - 4:31 am
What is the logic? GTG is not operating in Temperature Control mode.
2
replies
Variable frequency AC Drive
Posted by Bilash Khatua on 28 June, 2014 - 4:00 am
How load in form Torque varies with speed.............
Standards that have to be maintained by a microcontroller based control unit
Posted by dvigneshwer on 27 June, 2014 - 2:38 am
Standards that have to be maintained by a microcontroller based control unit for electrical equipmets and products
3 feeder system: PLC vs. Microcontrollers
Posted by dvigneshwer on 27 June, 2014 - 1:30 am
hardwired 3 feeder system with control system in a remote place
Modeling system with P controller a 4-20mA valve
Posted by Jacob on 26 June, 2014 - 11:20 pm
Modeling system with P controller a 4-20mA valve
local workstation for gas turbine
Posted by MAZEN SHANABEASH on 26 June, 2014 - 6:07 pm
difference between ALLEN BRADLEY workstation cat no. 6160-PCD466A, and ALLEN BRADLEY workstation cat no. 6160-PCD2B
intouch
Posted by gil on 26 June, 2014 - 10:10 am
Animation by intouch
3
replies
Instrument Control Loop
Posted by Waqar Ahmed on 26 June, 2014 - 3:18 am
Maintenance procedure of process control loop.
Aero GT Maint Intervals
Posted by ReferenceMaker on 25 June, 2014 - 12:30 pm
How are the intervals between major maintenance outages calculated for Aero GT's?
14
replies
GT not running at 100% rated RPM in Isochronous mode.
Posted by Sanjay Solanki on 25 June, 2014 - 11:54 am
GT is not running at 100% rated speed when run in Isochronous mode but runs at 100% rated RPM when run in Droop mode.
1
reply
solartron 7915 flow computer
Posted by amir qadri on 25 June, 2014 - 11:02 am
solartron flowcomputer 7915 showing error message bad ram checksum error, but it is working normal, printer is continuous writing, bad checksum error.
15
replies
Seal Oil/Hydrogen Differential Pressure
Posted by skilash on 25 June, 2014 - 10:28 am
High generator seal oil flow, empty seal oil vacuum compartment, fluctuating differential pressure, high seal oil pump discharge pressure
Gas detection on Flowlines - Pin Hole leaks
Posted by Raphael on 25 June, 2014 - 7:05 am
During the meeting late last week, it was asked if there is a possibility to site some gas detectors (or something) near the more critical of the welds to allow pin hole gas leaks detection by something other than the Operators' nose.
I/O's Suppported by ABB RTU 560
Posted by Thira on 25 June, 2014 - 2:02 am
Maximum number of I/O's supported by ABB RTU 560
2
replies
Shorten The Range Of Thermocouple
Posted by A. Castolina on 24 June, 2014 - 9:45 pm
How to shorten the range of Thermocouple in order to have a better acuuracy in reading
Re: COMM: RS-485 Communications
Posted by Curt Wuollet on 24 June, 2014 - 8:24 pm
RS-485 Communications with Standing Waves
1
reply
GE 9fa Generator Control
Posted by sriram surya on 24 June, 2014 - 7:54 pm
GE 9fa Generator Control
12
replies
RS-485 Communications
Posted by Bill Dolan on 24 June, 2014 - 1:47 pm
RS-485 Communications with Standing Waves
Control MOXA IOLogik via TCP
Posted by Roberto on 24 June, 2014 - 10:54 am
Control MOXA IOLogik via TCP
Compressor Control
Posted by nimish on 24 June, 2014 - 7:06 am
Our Compressor Centrifugal and we want to take safer value of the Suction pressures between two redundant Transmitters in CCC system.What Values we should consider Higher Suction Pressure or Lower Suction pressure Value with in two Tx's.
1
reply
modbus protocol for PC serial port to microcontroller
Posted by arun patole on 24 June, 2014 - 12:10 am
Communication between PC and microcontroller through serial port
1
reply
Encoder requirements for a motion application (low speed/holding positions)
Posted by rpicatoste on 23 June, 2014 - 12:44 pm
Encoder requirements for a motion application (low speed/holding positions)
source of neutral
Posted by engineer on 23 June, 2014 - 12:04 pm
source of neutral
Power factor affecting load sharing
Posted by Anthony on 23 June, 2014 - 10:14 am
Recently out sailing one of my generator die down, after troubleshoot discovered my governor is faulty. After rectification and start up, alternator voltage achieve 400V instead of desired 440V.