Posted by sangeetha on 20 June, 2014 - 11:49 pmShould DG neutral be isolated from earth?
2000kVA 11kV/415V transformer(DYn- neutral solidly earthed) in parallel with 2000kVA 415V Diesel Generator(Star wdg - neutral solidly earthed).
Posted by Joe on 20 June, 2014 - 11:22 pmParalleling with Utility - Voltage rise with load
2 MW generator paralleled with utility experiences voltage rise as load increases.
Posted by Dwayne on 20 June, 2014 - 2:59 pmDeltaV Discrete Output control by Temperature
How to design function block diagram to control DO by Temperature
Posted by KHAIRI on 20 June, 2014 - 10:24 amMARK VI TOOLBOOKS
Posted by ADAM on 19 June, 2014 - 1:34 pmGE Multilin 369 and Kepware OPC
Which driver do I choose?
Posted by anurag on 19 June, 2014 - 7:35 amautomation of ac motor
problem installing timer relay for AC motor with VFD
Posted by khairi on 19 June, 2014 - 5:39 amMCC 400 breaker
MCC breaker opened
Posted by Frederik on 19 June, 2014 - 3:14 amModbus TCP communication HC900
Modbus TCP communication HC900
Posted by moein momeny on 19 June, 2014 - 3:09 amPCV 5.3 lan-90
Where is the Location of PCV 5.3 lan-90 backup, both configs and data?
Posted by KHAIRI on 19 June, 2014 - 2:23 amground earth
Posted by sms on 18 June, 2014 - 3:26 pmFrequent switch over between FSRT to FSRN.
Frequent switch over from FSRT to FSRN and from FSRN to FSRT.
Posted by Sourabh on 18 June, 2014 - 2:41 pmHow to increase font size at mark-VI E monitor
Font size is very small. How to increase it?
Posted by Prasad on 18 June, 2014 - 1:12 pmMKVI BACKUP PROCEDURE
What are the files to be backed up for emergency usage in case of system crashes?
Posted by Matthew on 18 June, 2014 - 12:02 pmERCB Directive 17 Gas Flow Computers
ERCB Directive 17 Compliance of Gas Flow Computers
Posted by Roberto on 18 June, 2014 - 9:28 amI Can't find pumps suppliers
I need to find suppliers of little pumps and valves
Posted by KHAIRI on 18 June, 2014 - 5:20 amIGV TEST
Posted by Rizwan on 18 June, 2014 - 3:38 amInquiry about FrigoSystem Temperature Controller
Alternate for Frigosystems s.r.l
Posted by zafar on 18 June, 2014 - 1:00 amUniversal Station of honeywell tdc3000
Posted by OK on 17 June, 2014 - 3:37 pmWonderware Communication Issue
Wonderware server application slows down on pulling out LAN wire or disable any of the four networks we use
Posted by RonG on 17 June, 2014 - 11:45 amEGD Protocol?
Looking for EGD protocol spec
Posted by Adeel on 17 June, 2014 - 9:39 amDrum Level Control
Code for drum level tripping
Posted by Niaz on 17 June, 2014 - 9:32 amVoltage Sags in Power Transmission lines
Details about transmission lines
Posted by chudy on 17 June, 2014 - 7:36 amGas Turbine Trip
Trip on our gas turbine, proper examination showed auxiliary motor overload alarm (C105).
Posted by zafar on 17 June, 2014 - 2:45 amdifference between honeywell gus and tdc 3000
What is the difference between Honeywell gus and tdc 3000
Posted by Paresh on 17 June, 2014 - 2:45 amComparing Delta V and Centum 3000 DCS
Comparison of Delta V and Centum 3000 for coke oven application.
Posted by SUDHEESH V on 17 June, 2014 - 12:59 amIS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
Posted by VIJAYKUAMR on 16 June, 2014 - 11:55 pmBLDC motor selection
I want to select a BLDC motor for the application.
Posted by Raymond Mpofu on 16 June, 2014 - 4:44 pmTeleperm ME function block
Meaning of the 'HUPE' Teleperm ME function block in the GET (Graphic Engineering Tool) function diagram
Posted by Ayed on 16 June, 2014 - 4:29 amutilization factor and capacity factor
Need the difference between capacity factor and utilization factor for gas turbine
Posted by Johs on 15 June, 2014 - 11:16 pmGas Detector installation in Double Wall of Storage Tank
Installing a Gas Detector in Double Wall of Storage Tank
Posted by Mike Pennington on 15 June, 2014 - 7:48 pmSiemens S5-130W
Help to connect a pc to a S5 130W
Posted by Josh on 15 June, 2014 - 5:53 amRecalibrate RTD Temperature Transmitter
change calibrated range RTD temp transmitter
Posted by NHL on 14 June, 2014 - 1:58 pmHMI in Class 1 Div 2 area
Can I use an intrinsically safe barrier or isolator to power a 24VDC HMI, rated for Class 1 Div 2?
Posted by engr on 14 June, 2014 - 1:31 pmLeading AVR operation
Changing tap changer position during leading VARS to keep machine from tripping.
Posted by johnhenry on 14 June, 2014 - 9:47 amwild leg
wild leg on 3 phase generator
Posted by winnakken on 13 June, 2014 - 8:06 amTriconex PLC supervision (emulator)
Connect Tristation to InTouch
Posted by M. Jawed on 12 June, 2014 - 6:17 amGas flow through centrifugal compressor
Increasing gas flow throughput through compressor plant by adding more gas reserve.
Posted by lavakumar on 12 June, 2014 - 5:19 ampower plant preservation
effective control of relative humidity?
Posted by srh on 12 June, 2014 - 3:07 amIEC/ ISA Standard
Need info on Standards directed to usage of delay timers and sensing elements
Posted by ete on 12 June, 2014 - 1:21 amTransformer Protection
Need source to learn about transformer protection
Posted by SUDHEESH V on 12 June, 2014 - 12:24 amIS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
Posted by elabbassy on 11 June, 2014 - 9:32 ammeasurements in Siemens SICAM AK1703
measured values cyclic transmission IEC 104
Posted by Fluoronator on 11 June, 2014 - 7:42 amThe shield shocked me!!!
Why is my cable's shield 'Hot'?
Posted by deep123 on 11 June, 2014 - 3:37 amconnecting one MODBUS slave device to two masters
i want to connect one energy meter to two separate masters.
Posted by Fyzal on 10 June, 2014 - 10:00 pmLightning strike and thermocouples measurement failure
Thermocouples measurement to <C> processor had fault after lightning strike.
Posted by Francesco on 10 June, 2014 - 12:03 pmlimit output controller signal to avoid saturation
How to limit the output signal of an unstable control to avoid actuator saturation.
Posted by Gagandeep Singh on 10 June, 2014 - 5:51 amControl Valve Positioner
Inlet air pressure of smart positioner is varying
Posted by ABDI on 10 June, 2014 - 12:16 amSwirl Angle Software for GE
Can I use swirl angle software for GE FRAME 9E NON-DLN TYPE with GE FRAME 9E DLN?
Posted by AYH on 9 June, 2014 - 11:22 pmcompactlogix losing program after power recycle
my compactlogix battery is ok, but I lose the program when I recycle the power
Posted by apv on 9 June, 2014 - 12:54 pmLightning affecting Frame 6 Gas Turbine
Lightning affecting Frame 6 Gas Turbine MarkVI cards.
Posted by vk on 9 June, 2014 - 9:39 amProblem in command execution from dcs on modbus
Problem in command execution from dcs on modbus
Posted by Sam on 9 June, 2014 - 5:21 amPower supply impedance
How do I find the impedance of a 220VAC power supply
Posted by Reeny on 9 June, 2014 - 2:48 amSiemens Gas Turbines
please, any one can help me in how to open and close pilot control valve by using IBS software and energizing trip solenoids.
Posted by Franco Kew on 9 June, 2014 - 12:52 amHART multidrop reliability
If one HART device fails, will the subsequent HART devices unseen from the system?
Posted by Rakesh on 8 June, 2014 - 2:16 pmDOL starter Motor to convert Drive control motor
Need to change with a 37 KW DOL starter (3 Wire) winding to suitable soft starter or drive control to reduce starting load.
Posted by Paul on 8 June, 2014 - 12:53 pm0-10v signals
Sending multiple 0-10v dc signals
Posted by Setu on 7 June, 2014 - 9:40 pmVVVF drives - Internal speed calculation
How is speed of the motor calculated INTERNALLY by a VVVF drive?
Posted by Mike on 7 June, 2014 - 9:35 pmKay-Ray Sensall Level Commander LC-I
Changing parameters on a Kay-Ray Sensall Level Commander
Posted by Reeny on 7 June, 2014 - 4:53 pmDiesel power plant
any one can help me in determining best technical (instrumentation and control)specification for Diesel power plant (more than 20 MW).
Posted by Ben on 7 June, 2014 - 2:34 pmReading a battery voltage in to siemens logo
Reading a voltage from a battery in to an analog input on my Siemens logo
Posted by krishnan on 7 June, 2014 - 8:51 amMotor sizing
three phase motor sizing for pumps/compressors
Posted by Hameed on 7 June, 2014 - 5:06 amGenerator protection - Rotor earth fault
Why does Rotor earth fault protection have two stages
Posted by mechanation on 6 June, 2014 - 11:31 amLime slurry density meter
We are trying to measure density of our lime slurry which approx 22% solids
Posted by EG on 6 June, 2014 - 4:19 aminterview questions automation engineer
need interview questions and answers for automation engineer
Posted by David on 5 June, 2014 - 10:41 pmWhat kind of Modbus map lacks 4xxxxx registers
ASCII, RTU, TCP, now ABB?
Posted by GD on 5 June, 2014 - 6:27 pmModbus "pollsets"
Need advice on creating pollsets in Isagraf
Posted by Sachin Mewara on 5 June, 2014 - 3:33 amTurbine HPCV hunting
Turbine HP CV is hunting in MW tracking mode.
Posted by Tulus Lubis on 5 June, 2014 - 1:01 amInstallation of Pressure and Temperature Sensor for Orifice Flow Meter
Standard installation for Gas Flow Measuring with Pressure and Temperature compensation.
Posted by Juan on 5 June, 2014 - 12:53 amConductor VMS dual monitors
having trouble to set up 2 monitors in a Digital (that's the brand) PC with Conductor VMS O.S. and SRM Bios.
Posted by Chas on 4 June, 2014 - 7:52 pmGE Sprits Skid Water Hammer
GE Sprits skid Coax solenoid valves cause major water hammer from boiler feed to fog nozzles.
Posted by Brian on 4 June, 2014 - 2:31 pmUsing OPC to communicate with GE MKVIe
I'm trying to find out if anyone is using OPC to talk to a GE MKVIe from an ABB INFI90 DCS System.
Posted by jasoin carroll on 4 June, 2014 - 1:11 pmCable tray separation
Is there a standard that says the highest voltage cable should go in the top or the bottom tray?
Posted by Paul D. on 4 June, 2014 - 10:28 amOld A-B SLC Controller
Password protected program and no offline file.
Posted by Daneezy on 4 June, 2014 - 4:08 amjacking oil pump
From what source does the jacking oil pump 88QB gets its source of oil?
Posted by Casualguy on 4 June, 2014 - 12:08 amLocal Fault on SLC 500/05 ASB
Regarding local fault declaration on SLC 500 ASB
Posted by Robert Dampier on 3 June, 2014 - 12:02 pmSensus water meter
Trying to Query a Sensus water meter with a ECR
Posted by iii on 1 June, 2014 - 8:59 pmWhy use SRV?
There is a SRV where we generally found a very little difference between inlet & outlet of this valve.
Posted by Amrit on 1 June, 2014 - 6:56 pmTransformer Secondary Voltage Ratings
Questions about transformer secondary voltage ratings
Posted by MIA on 1 June, 2014 - 9:41 amMB+ Communication Error
MB+ (MODBUS) Communication Error with Remote PLC
Posted by Balasubramanian on 1 June, 2014 - 5:18 amTurbine Vibration micronmteter to mm/s conversion table
How to convert the Turbine shaft vibration in micrometer to mm/s conversion?
Posted by Vimal Gupta on 31 May, 2014 - 9:15 am4 or more bad Exhaust T/C fault
Gas turbine Frame-V got tripped on PCAA Module fault in MARK-Vie
Posted by RAMESH on 31 May, 2014 - 5:43 amDifferential Pressure Transmitter Calibration
Changing the range of Differential Pressure Transmitter Calibration.
Posted by luis carlos sandoval on 30 May, 2014 - 8:22 pmrs 485 deep sea 7320
modbus rtu slave rs485
Posted by John on 30 May, 2014 - 2:49 pmSpinning disabled in Siemens SGT400 gas turbine
Accidentally spinning command disabled during coasting down time from shutdown
Posted by Rick Holman on 30 May, 2014 - 8:43 amPneumatic tubing colors
pneumatic control circuit tubing color code standards
Posted by Sagat on 30 May, 2014 - 4:03 amVFD SPEED OF 60HP DRIVE
I am using AMTECH make VFD of 60HP for blower application.
Posted by TF on 30 May, 2014 - 4:02 amMk5 Speedtronics
Gaining a better under standing of the process control that usually resides within a GE Mk5 Speedtronics
Posted by tauqeer on 30 May, 2014 - 2:58 amingersoll rand xe controller remote comunication
Communicating and controlling an ingersoll rand xe145-f controller
Posted by Amin on 30 May, 2014 - 1:52 amBackpressure Steam Turbine rotor axial displacement towards inactive side
Steam turbine rotor (back-pressure steam turbine) - rotor axial movement towards inactive side. Why?
Posted by me on 29 May, 2014 - 8:28 pmToshiba Automation Co PRS equipment
Looking for any information on Toshiba PRS system
Posted by kuldeep on 29 May, 2014 - 4:51 pmYokogawa CS1000 Report problem
report tag communication error
Posted by GBrown on 29 May, 2014 - 4:50 pmInstrument Tech Training Topics
My boss has asked me to create a training program from the instrument techs that is one 3 hour course a month for 2 years.
Posted by Paul Tinetti on 29 May, 2014 - 4:48 pmEDDL files stored in/on device?
Why haven't manufacturers figured out a way to store EDDL files in on-board memory of devices?
Posted by Ashiq on 29 May, 2014 - 5:38 amSolatron flow computer Corrected volumetric flow
re-configure Solatron 7951 flow computer.
Posted by Josh on 29 May, 2014 - 4:53 amThree way valve - on/off
Three way valve - on/off control design
Posted by Alphite on 28 May, 2014 - 4:25 pmControlling flow and pressure to a spray ball
How to control flowrate and pressure with a positive displacement pump.
Posted by Tom on 28 May, 2014 - 5:03 amIs Barrier Requirements
IS Barrier Requirements for PLC
Posted by hatimnazir on 27 May, 2014 - 3:12 pmHoneywell DCS Server and Stations timing Synchronization Issue
Honeywell DCS Server and Stations timing Synchronization Issue
Posted by me on 27 May, 2014 - 11:14 amLeary M06 Microwave Sensor
Looking for information on the M06 Microwave Sensor from Leary
Posted by Norm on 27 May, 2014 - 9:25 amMark VIe 88BD motor HMI control Lead/Lag
Cannot control 88BD diffuser blower motors from control room HMIs
Insanity is hereditary. You get it from your kids.