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Forum Archive
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.
5
replies
Wiring of Interposing Relay
Posted by Thira on 23 June, 2014 - 2:45 am
Wiring of Interposing Relay
4
replies
Rosemount 3051 Calibration
Posted by josh0206 on 22 June, 2014 - 3:39 pm
Rosemount 3051 Calibration
1
reply
MODBUS TCP slave
Posted by Bill on 22 June, 2014 - 2:50 pm
I need a MODBUS TCP slave library (Compact Framework 3.5 friendly).
AC450 I/O signal error
Posted by Dima on 22 June, 2014 - 2:02 pm
Strange problem!
11
replies
mark 5 control system
Posted by shyam on 22 June, 2014 - 9:56 am
Inlet guide vane stroke checking using demand display.
3
replies
mark 5 control system
Posted by shyam on 22 June, 2014 - 9:48 am
Flame detection system in mark 5 control system.
3
replies
Battery ground alarm
Posted by KHAIRI on 22 June, 2014 - 3:02 am
battery ground alarm
Download and try Unity Pro
Posted by Delani on 21 June, 2014 - 7:17 pm
Is there a link?
1
reply
GT Question
Posted by PJ on 21 June, 2014 - 3:52 pm
why in 9E firing speed is 12% in gas fuel & 16% liquid fuel?
Should DG neutral be isolated from earth?
Posted by sangeetha on 20 June, 2014 - 11:49 pm
2000kVA 11kV/415V transformer(DYn- neutral solidly earthed) in parallel with 2000kVA 415V Diesel Generator(Star wdg - neutral solidly earthed).
Paralleling with Utility - Voltage rise with load
Posted by Joe on 20 June, 2014 - 11:22 pm
2 MW generator paralleled with utility experiences voltage rise as load increases.
DeltaV Discrete Output control by Temperature
Posted by Dwayne on 20 June, 2014 - 2:59 pm
How to design function block diagram to control DO by Temperature
1
reply
MARK VI TOOLBOOKS
Posted by KHAIRI on 20 June, 2014 - 10:24 am
Learning Toolbox
1
reply
GE Multilin 369 and Kepware OPC
Posted by ADAM on 19 June, 2014 - 1:34 pm
Which driver do I choose?
automation of ac motor
Posted by anurag on 19 June, 2014 - 7:35 am
problem installing timer relay for AC motor with VFD
3
replies
MCC 400 breaker
Posted by khairi on 19 June, 2014 - 5:39 am
MCC breaker opened
1
reply
Modbus TCP communication HC900
Posted by Frederik on 19 June, 2014 - 3:14 am
Modbus TCP communication HC900
PCV 5.3 lan-90
Posted by moein momeny on 19 June, 2014 - 3:09 am
Where is the Location of PCV 5.3 lan-90 backup, both configs and data?
2
replies
ground earth
Posted by KHAIRI on 19 June, 2014 - 2:23 am
ground earth
4
replies
Frequent switch over between FSRT to FSRN.
Posted by sms on 18 June, 2014 - 3:26 pm
Frequent switch over from FSRT to FSRN and from FSRN to FSRT.
3
replies
How to increase font size at mark-VI E monitor
Posted by Sourabh on 18 June, 2014 - 2:41 pm
Font size is very small. How to increase it?
1
reply
MKVI BACKUP PROCEDURE
Posted by Prasad on 18 June, 2014 - 1:12 pm
What are the files to be backed up for emergency usage in case of system crashes?
ERCB Directive 17 Gas Flow Computers
Posted by Matthew on 18 June, 2014 - 12:02 pm
ERCB Directive 17 Compliance of Gas Flow Computers
I Can't find pumps suppliers
Posted by Roberto on 18 June, 2014 - 9:28 am
I need to find suppliers of little pumps and valves
4
replies
IGV TEST
Posted by KHAIRI on 18 June, 2014 - 5:20 am
IGV TEST
Inquiry about FrigoSystem Temperature Controller
Posted by Rizwan on 18 June, 2014 - 3:38 am
Alternate for Frigosystems s.r.l
Universal Station of honeywell tdc3000
Posted by zafar on 18 June, 2014 - 1:00 am
honeywell tdc3000
1
reply
Wonderware Communication Issue
Posted by OK on 17 June, 2014 - 3:37 pm
Wonderware server application slows down on pulling out LAN wire or disable any of the four networks we use
7
replies
EGD Protocol?
Posted by RonG on 17 June, 2014 - 11:45 am
Looking for EGD protocol spec
Drum Level Control
Posted by Adeel on 17 June, 2014 - 9:39 am
Code for drum level tripping
Voltage Sags in Power Transmission lines
Posted by Niaz on 17 June, 2014 - 9:32 am
Details about transmission lines
1
reply
Gas Turbine Trip
Posted by chudy on 17 June, 2014 - 7:36 am
Trip on our gas turbine, proper examination showed auxiliary motor overload alarm (C105).
difference between honeywell gus and tdc 3000
Posted by zafar on 17 June, 2014 - 2:45 am
What is the difference between Honeywell gus and tdc 3000
Comparing Delta V and Centum 3000 DCS
Posted by Paresh on 17 June, 2014 - 2:45 am
Comparison of Delta V and Centum 3000 for coke oven application.
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
Posted by SUDHEESH V on 17 June, 2014 - 12:59 am
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
2
replies
BLDC motor selection
Posted by VIJAYKUAMR on 16 June, 2014 - 11:55 pm
I want to select a BLDC motor for the application.
2
replies
Teleperm ME function block
Posted by Raymond Mpofu on 16 June, 2014 - 4:44 pm
Meaning of the 'HUPE' Teleperm ME function block in the GET (Graphic Engineering Tool) function diagram
2
replies
utilization factor and capacity factor
Posted by Ayed on 16 June, 2014 - 4:29 am
Need the difference between capacity factor and utilization factor for gas turbine
Gas Detector installation in Double Wall of Storage Tank
Posted by Johs on 15 June, 2014 - 11:16 pm
Installing a Gas Detector in Double Wall of Storage Tank
3
replies
Siemens S5-130W
Posted by Mike Pennington on 15 June, 2014 - 7:48 pm
Help to connect a pc to a S5 130W
2
replies
Recalibrate RTD Temperature Transmitter
Posted by Josh on 15 June, 2014 - 5:53 am
change calibrated range RTD temp transmitter
1
reply
HMI in Class 1 Div 2 area
Posted by NHL on 14 June, 2014 - 1:58 pm
Can I use an intrinsically safe barrier or isolator to power a 24VDC HMI, rated for Class 1 Div 2?
Leading AVR operation
Posted by engr on 14 June, 2014 - 1:31 pm
Changing tap changer position during leading VARS to keep machine from tripping.
wild leg
Posted by johnhenry on 14 June, 2014 - 9:47 am
wild leg on 3 phase generator
Triconex PLC supervision (emulator)
Posted by winnakken on 13 June, 2014 - 8:06 am
Connect Tristation to InTouch
Gas flow through centrifugal compressor
Posted by M. Jawed on 12 June, 2014 - 6:17 am
Increasing gas flow throughput through compressor plant by adding more gas reserve.
power plant preservation
Posted by lavakumar on 12 June, 2014 - 5:19 am
effective control of relative humidity?
IEC/ ISA Standard
Posted by srh on 12 June, 2014 - 3:07 am
Need info on Standards directed to usage of delay timers and sensing elements
Transformer Protection
Posted by ete on 12 June, 2014 - 1:21 am
Need source to learn about transformer protection
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
Posted by SUDHEESH V on 12 June, 2014 - 12:24 am
IS EARTHING NECESSARY FOR AN SMPS WHO'S INPUT IS FROM AN UPS?
measurements in Siemens SICAM AK1703
Posted by elabbassy on 11 June, 2014 - 9:32 am
measured values cyclic transmission IEC 104
6
replies
The shield shocked me!!!
Posted by Fluoronator on 11 June, 2014 - 7:42 am
Why is my cable's shield 'Hot'?
2
replies
connecting one MODBUS slave device to two masters
Posted by deep123 on 11 June, 2014 - 3:37 am
i want to connect one energy meter to two separate masters.
Lightning strike and thermocouples measurement failure
Posted by Fyzal on 10 June, 2014 - 10:00 pm
Thermocouples measurement to <C> processor had fault after lightning strike.
limit output controller signal to avoid saturation
Posted by Francesco on 10 June, 2014 - 12:03 pm
How to limit the output signal of an unstable control to avoid actuator saturation.
4
replies
Control Valve Positioner
Posted by Gagandeep Singh on 10 June, 2014 - 5:51 am
Inlet air pressure of smart positioner is varying
5
replies
Swirl Angle Software for GE
Posted by ABDI on 10 June, 2014 - 12:16 am
Can I use swirl angle software for GE FRAME 9E NON-DLN TYPE with GE FRAME 9E DLN?
1
reply
compactlogix losing program after power recycle
Posted by AYH on 9 June, 2014 - 11:22 pm
my compactlogix battery is ok, but I lose the program when I recycle the power
2
replies
Lightning affecting Frame 6 Gas Turbine
Posted by apv on 9 June, 2014 - 12:54 pm
Lightning affecting Frame 6 Gas Turbine MarkVI cards.
4
replies
Problem in command execution from dcs on modbus
Posted by vk on 9 June, 2014 - 9:39 am
Problem in command execution from dcs on modbus
1
reply
Power supply impedance
Posted by Sam on 9 June, 2014 - 5:21 am
How do I find the impedance of a 220VAC power supply
Siemens Gas Turbines
Posted by Reeny on 9 June, 2014 - 2:48 am
please, any one can help me in how to open and close pilot control valve by using IBS software and energizing trip solenoids.
HART multidrop reliability
Posted by Franco Kew on 9 June, 2014 - 12:52 am
If one HART device fails, will the subsequent HART devices unseen from the system?
DOL starter Motor to convert Drive control motor
Posted by Rakesh on 8 June, 2014 - 2:16 pm
Need to change with a 37 KW DOL starter (3 Wire) winding to suitable soft starter or drive control to reduce starting load.
1
reply
0-10v signals
Posted by Paul on 8 June, 2014 - 12:53 pm
Sending multiple 0-10v dc signals
4
replies
VVVF drives - Internal speed calculation
Posted by Setu on 7 June, 2014 - 9:40 pm
How is speed of the motor calculated INTERNALLY by a VVVF drive?
Kay-Ray Sensall Level Commander LC-I
Posted by Mike on 7 June, 2014 - 9:35 pm
Changing parameters on a Kay-Ray Sensall Level Commander
3
replies
Diesel power plant
Posted by Reeny on 7 June, 2014 - 4:53 pm
any one can help me in determining best technical (instrumentation and control)specification for Diesel power plant (more than 20 MW).
Reading a battery voltage in to siemens logo
Posted by Ben on 7 June, 2014 - 2:34 pm
Reading a voltage from a battery in to an analog input on my Siemens logo
Motor sizing
Posted by krishnan on 7 June, 2014 - 8:51 am
three phase motor sizing for pumps/compressors
1
reply
Generator protection - Rotor earth fault
Posted by Hameed on 7 June, 2014 - 5:06 am
Why does Rotor earth fault protection have two stages
1
reply
Lime slurry density meter
Posted by mechanation on 6 June, 2014 - 11:31 am
We are trying to measure density of our lime slurry which approx 22% solids
1
reply
interview questions automation engineer
Posted by EG on 6 June, 2014 - 4:19 am
need interview questions and answers for automation engineer
What kind of Modbus map lacks 4xxxxx registers
Posted by David on 5 June, 2014 - 10:41 pm
ASCII, RTU, TCP, now ABB?
2
replies
Modbus "pollsets"
Posted by GD on 5 June, 2014 - 6:27 pm
Need advice on creating pollsets in Isagraf
Turbine HPCV hunting
Posted by Sachin Mewara on 5 June, 2014 - 3:33 am
Turbine HP CV is hunting in MW tracking mode.
3
replies
Installation of Pressure and Temperature Sensor for Orifice Flow Meter
Posted by Tulus Lubis on 5 June, 2014 - 1:01 am
Standard installation for Gas Flow Measuring with Pressure and Temperature compensation.
Conductor VMS dual monitors
Posted by Juan on 5 June, 2014 - 12:53 am
having trouble to set up 2 monitors in a Digital (that's the brand) PC with Conductor VMS O.S. and SRM Bios.
GE Sprits Skid Water Hammer
Posted by Chas on 4 June, 2014 - 7:52 pm
GE Sprits skid Coax solenoid valves cause major water hammer from boiler feed to fog nozzles.
5
replies
Using OPC to communicate with GE MKVIe
Posted by Brian on 4 June, 2014 - 2:31 pm
I'm trying to find out if anyone is using OPC to talk to a GE MKVIe from an ABB INFI90 DCS System.
2
replies
Cable tray separation
Posted by jasoin carroll on 4 June, 2014 - 1:11 pm
Is there a standard that says the highest voltage cable should go in the top or the bottom tray?
Old A-B SLC Controller
Posted by Paul D. on 4 June, 2014 - 10:28 am
Password protected program and no offline file.
6
replies
jacking oil pump
Posted by Daneezy on 4 June, 2014 - 4:08 am
From what source does the jacking oil pump 88QB gets its source of oil?
2
replies
Local Fault on SLC 500/05 ASB
Posted by Casualguy on 4 June, 2014 - 12:08 am
Regarding local fault declaration on SLC 500 ASB
Sensus water meter
Posted by Robert Dampier on 3 June, 2014 - 12:02 pm
Trying to Query a Sensus water meter with a ECR
12
replies
Why use SRV?
Posted by iii on 1 June, 2014 - 8:59 pm
There is a SRV where we generally found a very little difference between inlet & outlet of this valve.
1
reply
Transformer Secondary Voltage Ratings
Posted by Amrit on 1 June, 2014 - 6:56 pm
Questions about transformer secondary voltage ratings