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Today, Tuesday, May 21, 2013
If the water injection pump trips, what will happen to GT exhaust temperature?
Posted by davidmcc
on 21 May, 2013 - 3:52 am
on 21 May, 2013 - 3:52 am Where are the lube oil heaters located?
Originally posted by DavidMcC on 6 May, 2013 - 1:06 am
on 6 May, 2013 - 1:06 am how to configure PD for AC power input?
New Replies:
Hi CSA,
Sorry to just get back to you now, your answer is spot on, we don't have a DACA so we...
ABB "OS Loader" Configuration Problem
New Replies:
By Rob on 21 May, 2013 - 1:16 am -
Sounds like you have faulty installation disks. You could be completely out of luck here unless...
FR6B tripping on Exhaust Temp spreads at FSNL
New Replies:
By MWO on 20 May, 2013 - 10:15 pm -
We had sort of the same problem once. We had lost the diffuser off our compressor bleed valve...
Posted by Fai on 20 May, 2013 - 9:31 pm
on 20 May, 2013 - 9:31 pm CPD reduced CTDA remain at low temperature. Baseload was reducing as well
just inherited a new plant without adequate handover documentation. just need some info guys.
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Dear Nsikan,
For my site (frame 9FA), GE setpoint for inlet air filter dp alarm are 4inch H20...
Originally posted by ESKAY on 19 May, 2013 - 4:16 pm
on 19 May, 2013 - 4:16 pm Distillate fuel servo calibration
New Replies:
ESKAY,
I thought we'd been over this before....
http://www.control.com/thread/1336557419
...
ESKAY,
This idea of "calibrating servo-operated devices" on GE-design heavy duty gas...
By Bob Johnston on 19 May, 2013 - 7:09 pm -
It's difficult I know, really the only way to check is do a "dummy fire" with no spark...
Data is swapped when same ID, function code and no of registers are polled.
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By Lynn August Linse on 20 May, 2013 - 1:38 pm -
This is a common issue in "packet switched" radio systems, because the radios do retries...
By Darrin on 20 May, 2013 - 9:34 am -
It sounds like you have a synchronization issue, which can occur if you have a "dead"...
By Mark on 20 May, 2013 - 8:53 am -
Hello,
Yes, this is a known issue with MODBUS.
I had a slave device once that on occasion...
Originally posted by Suraj Shetty on 19 May, 2013 - 1:06 pm
on 19 May, 2013 - 1:06 pm Slow down communication between GE 90-30PLC which are using COMM_REQ SRTP channel commands. and these are communicating over ethernet through cellular modems. the data plan on the cellular modem has a limit of 5GB only.
New Replies:
By Russ B on 20 May, 2013 - 9:59 am -
There is more information on this here:
http://www.plctalk.net/qanda/showthread.php?t=79691
(Be...
By Curt Wuollet on 19 May, 2013 - 11:42 pm -
Maybe a counter in the sending rung so it sends every other scan or less. I could be way off I...
Several steps of external resistance used for speed control on motor appear to have uneven amounts of resistance. Is this possible? What will the effect on the motor be?
New Replies:
Ben, using the procedure I suggested illustrates how the number of speed-torque curve increments...
By Ben on 18 May, 2013 - 5:30 pm -
Phil,
Again appreciate your valued comments. It's people like yourself that keep the world...
Ben... this sort of problem can be solved using Symmetrical Components Analysis!
Say the...
By Ben on 17 May, 2013 - 6:16 pm -
Phil,
Really appreciate your response. Unfortunately all i've got is a really poor wiring /...
what kind of electrical CAD software is most used by you guys?
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By KMy on 20 May, 2013 - 6:00 am -
I agree that CADS Planner Electric is smart choice for electrical and automation design. it also...
we had a problem in the ratchet mechanism
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By Venkatachalam, Valliappan X on 20 May, 2013 - 12:11 am -
In my experience, we faced similar problem in one of the turbines where the ratcheting was...
Originally posted by JBB on 19 May, 2013 - 1:42 pm
on 19 May, 2013 - 1:42 pm Setting up communication for Modbus Polling
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By William \(Bill\) L Mostia Jr PE on 19 May, 2013 - 9:30 pm -
What error did you get?
William (Bill) L. Mostia, Jr. PE
Fellow
SIS-TECH Solutions, LP
Any...
By Steve Myres on 19 May, 2013 - 7:00 pm -
Sounds like either your master or your slave doesn't want to return more than 50 registers at a...
Originally posted by SARAVANAN on 23 January, 2011 - 11:21 am
on 23 January, 2011 - 11:21 am linux base com port communication
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I just added TCP/IP capability and put it on a new web page:
http://www.ctrlterm.com/
...
Loss of MW's coming out CI
New Replies:
By Bob Johnston on 19 May, 2013 - 7:03 pm -
1) What do you mean by "loss of air flow", can you explain more?
2) Do you have data...
How to change over Hydraulic oil filter in frame6B GE gas turbine, while the Gas turbine is in service.
New Replies:
Bob Johnston,
I have seen some non-GE packaged units which did not have transfer fill valves,...
By Bob Johnston on 18 May, 2013 - 9:53 pm -
Check your P & ID for details.
1)open the fill valve and allow stand-by filter to be full...
Originally posted by Ahmed on 31 January, 2013 - 12:32 pm
on 31 January, 2013 - 12:32 pm FSR fuel reference - margin of FSR warm up
New Replies:
MWO,
I don't have a copy of Toolbox or a .m6b file for a gas turbine to review. To be specific,...
By MWO on 19 May, 2013 - 8:46 am -
Unfortunately the next opportunity will be in a year so I am trying to compile notes and make a...
MWO,
Certainly a diesel starting means which is not being controlled correctly could be the cause...
By MWO on 17 May, 2013 - 1:55 pm -
CSA,
I appreciate the reply.
There is a general feeling among the operators and mechanical...
MWO,
There are a couple of different versions of FSRMIN and the "programming" used to...
Request for help related to appropriate hardware-software interface
New Replies:
It isn't a Modbus master you're looking for, it's some other set of functions relating to what...
By Steve Myres on 19 May, 2013 - 1:48 pm -
You need to provide a couple more bits of information to clarify. RS232 and Modbus aren't mutually...
Mark VI not working with a VCMI board replacement!!
New Replies:
By Lionel on 19 May, 2013 - 12:37 pm -
Salem have acknowledged problems with IS215VCMIH#B and H#C. The issue is with socketed IONET...
Quantum PLC Communications
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By Brendonh on 19 May, 2013 - 7:43 am -
With 2 quantums you map index will be 0. its like an offset setting. your slot ID will be 254 if...
Originally posted by Fyzal on 16 May, 2013 - 6:53 am
on 16 May, 2013 - 6:53 am Low output after smoke coming out from the extraction pipe from bearing #2
New Replies:
By SB on 19 May, 2013 - 3:43 am -
Fyzal,
Lube oil header temperature is quite higher, I think that it should be in 50~55C, try to...
Fyzal,
If this is a problem with some kind of L.O. leak in the #2 Brg. area (which is what I...
At the moment, we are planning to check the extraction pipes for the sealing air, which taken...
Hi CSA,
Smoke is seen from the venting pipe since from Full Speed no load, and getting worse...
Dear SB,
The lube oil pressure is 1.85 bar, and temperature (LTTH-1) is 66.6dgC.
At bearing #2,...
Originally posted by Mohamad Ashour on 9 May, 2013 - 5:31 pm
on 9 May, 2013 - 5:31 pm Why 250mA fuse for 4-20mA analog input?
New Replies:
25V / 250 ohms = 100 mA, so a 250 mA fuse is not going to do this job - 50 mA might....
I suspect that a fuse installed in a 4-20mA loop is an attempt to protect an analog input on a 2...
No I am sure it is 250mA fuse for each 4-20mA input and not the 250ohm resistor....
I am sure it is 250mA for each 4-20mA input.
...
synchronization of 2 servo valves that control 2 cylinders
Mark VI IONet N-Tron Network switches keep on failing, RCA needed
New Replies:
Sagir,
Is it possible that the Rev. C switch failures have caused some problem(s) with the 28 VDC...
By Sagir on 17 May, 2013 - 12:59 pm -
We too are facing a lot of failures in N-tron switches (516/508 Fx and tx). After an RCA by N-tron,...
IC693MDL module not giving output after programming.
New Replies:
By Russ B on 17 May, 2013 - 4:17 pm -
Output modules are typically powered with an 'outside' source independent of the PLC. If the output...
Posted by ME on 17 May, 2013 - 11:17 am
on 17 May, 2013 - 11:17 am A solution to read, hold and store the modbus datas.
Problems with in-situ CEMS analysers
New Replies:
What is the make of CEMS. I had faced the same problem and we have shifted the analyser at 16 mtr....
To run the MVDs on 40 Deg C ambient temprture.
What is the critical speed of Centaur 40?
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