Fuel Change Over Mark Vie GE Frame 9E
How is fuel changeover happening in 9E Gas turbines?
Orifice Plate straight run requirements
Orifice Plate- straight run requirements w.r.t beta ratio
By Ben Thampy D on 27 June, 2017 - 6:24 am
please refer the standard ISO-5167-2:2003(E), in that go to table number -3. from there...
OSI Pi versus Aspen Info Plus 21
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
TDC 3000 Honeywell Schematic Symbol and Data Point Configuration
How to give address or connect symbol to its point in APM after configuring in TDC 3000 Honeywell?
I need help understanding a line of code in a register.
By CH on 23 June, 2017 - 3:56 pm
LEN is the length for the copy instruction. So for the COP, how many registers to copy....
Gas Turbine Free Governor Mode of Operation
Difference between droop mode and free mode of operation
on 22 June, 2017 - 3:33 pm
fudge, From the notes in the photos you sent, it appears the code (which is a different version...
on 7 June, 2017 - 10:35 am
fudge, GE has at least two versions of a mode they affectionately refer to as 'Primary Frequency...
End support for pitot tube
By d on 22 June, 2017 - 6:13 am
The vendor will advise and inform you of the device ratings. Most versions are stiff enough for...
Reading Data from 1756-OF8H HART I/O Module
Reading SVI-II positioner masoneilan data via 1756-OF8H I/O module
1734-IE8C Major Channel Fault
1734-IE8C input module went bad. Replaced module still all channels solid red.
By Bob Peterson on 16 June, 2017 - 3:31 pm
Blinking red on the channel indicator usually means out of range. no idea what solid red means and...
Sludge Concentration Inline Measurement
suspended solid measurement in pipeline (Sludge Concentration) in sewage. up to 7%
on 14 June, 2017 - 8:30 am
Hi, thank you for your reply. It's primary sludge. It's feed to drum thickener from big sewage...
By Woolsey-Mike on 13 June, 2017 - 9:35 am
Hi Most important is what kind of sludge, not just concentration. Primary, Waste Activated,...
Honeywell UV Flame Detector
Posted by Daniel_Beamish on 8 June, 2017 - 11:17 am
UV signal required for a Honeywell UV flame detector to recognise a flame.
By d on 13 June, 2017 - 6:33 pm
Flame scanners are reliable if properly installed. If you are monitoring the main flame, you'll...
Float Type Level Switch and Foaming Problem
Float type level switch causing problems because it gets stuck due to extensive foam. Application is suction gas scrubber on Frontend compression of natural gas.
By d on 11 June, 2017 - 10:11 am
>1. Is the design of the nozzle correct i.e. extending the >nozzle inside the vessel? My...
Fluctuating Allowable Spread in Hitachi H-25 Gas Turbine
The value of allowable spread is fluctuating from 80 degrees to 150 degrees at 21MW.
on 10 June, 2017 - 4:53 pm
I have to confess--my experience is with typical GE-provided sequencing (application code), and not...
By SUDHEESH V on 9 June, 2017 - 4:16 am
In H-25 machine the combustion monitor algorithm calculates the allowable spread TTXSPL. The...
Flow Transmitter for Cooling Water
Proper Flow transmitter for Cooling water
By John Catch on 9 June, 2017 - 1:56 pm
There are a number of high quality insertion turbine flow meters (not paddle wheel type) that would...
By Elmira on 8 June, 2017 - 12:51 am
Thank You all for your replies. Generally in this plant, orifice is used. But at these two...
Diplacer Level Transmitter Viscosity Limit
Wondering about the viscosity limit for displacer level transmitters.
Freely available BACnet browser?
Does anyone know of a freely available BACnet browser
Machine Monitoring System
What does MMS do that a DCS cannot do?
By Elmira on 7 June, 2017 - 8:54 am
Thank you for your reply, which one is not economic for large number of I/O, MMS?...
Why do you pay for PLC programming software?
A question that has been on my mind for some time...
By Richard Masi on 5 June, 2017 - 11:20 pm
I grew up on Logix 500, and now the new logix 5000 is also very powerful. but for the...
Digital Valve Controller DVC6200 Not Responding Correctly to Output
DVC6200 digital valve controller not controlling mid range values. Initially, 50% input the valve opens 100%. Now not working at all.
Why ETA cabinets require in Honeywell DCS or HPM control system?
By Zeeshan on 1 June, 2017 - 6:42 am
What is ETA stand for? is it same as FTA "Field Termination Assembly" in Honeywell. ...
Criteria for selecting a transmitter from a vendor whose products you have not used before
Writing Modbus Values to an ODBC Database
Posted by Tachaqourrt on 30 May, 2017 - 3:16 am
How to write Modbus values in an ODBC database?
By Mark on 30 May, 2017 - 7:58 pm
Hello, >There are many products that can write data from a Modbus >Driver to a Relational...
Bailey Infi90 Cabinet Serial Number
How to decipher Infi90 Cabinet Serial #
Verify or Simulate Logic in Control Sheet and Control Macros
Looking for software to study my plant control sheet and control macros like dual valve, medium voltage motor
Possible solutions to prevent a leak in LS-185D valve. The valve has two solenoids, one for opening and the other for closing the valve.