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Where are the lube oil heaters located?
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By davidmcc on 22 May, 2013 - 5:19 am -
Thanks CSA,
you're right, the lube oil heater 23QT-1 is accessible at low level on the side of...
By turbinectech on 21 May, 2013 - 1:50 pm -
Our three are on the right side of the oil tank. There is a TIL on these, talks about reconfiguring...
What is meant integrator convergence gain for servo regulator?
Looking for PLC's that can be programmed in Ladder, FBD and Structured text, preferably with free, or low cost programming software.
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By brucewayne on 21 May, 2013 - 9:48 pm -
micrologix 1100 has free lite version software...
we had a problem in the ratchet mechanism
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By STEVEN on 21 May, 2013 - 12:37 pm -
Experience ratchet pump both AC and DC pump cut-in during ratcheting operation.
Found motor pump...
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...
Load running at limitation when running on fuel oil.
Setting up communication for Modbus Polling
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By Andrzej on 21 May, 2013 - 9:26 am -
Hello,
Try use the Modbus Tester from www.modbus.pl to check what errors you have.
Regards,
...
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...
If the water injection pump trips, what will happen to GT exhaust temperature?
ABB "OS Loader" Configuration Problem
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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
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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...
just inherited a new plant without adequate handover documentation. just need some info guys.
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...
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.
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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...
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...
Distillate fuel servo calibration
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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...
Loss of MW's coming out CI
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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...
Request for help related to appropriate hardware-software interface
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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!!
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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...
FSR fuel reference - margin of FSR warm up
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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...
By MWO on 17 May, 2013 - 1:55 pm -
CSA,
I appreciate the reply.
There is a general feeling among the operators and mechanical...
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...
Low output after smoke coming out from the extraction pipe from bearing #2
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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...
How to change over Hydraulic oil filter in frame6B GE gas turbine, while the Gas turbine is in service.
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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...
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?
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By Ben on 18 May, 2013 - 5:30 pm -
Phil,
Again appreciate your valued comments. It's people like yourself that keep the world...
By Ben on 17 May, 2013 - 6:16 pm -
Phil,
Really appreciate your response. Unfortunately all i've got is a really poor wiring /...
synchronization of 2 servo valves that control 2 cylinders
IC693MDL module not giving output after programming.
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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...
Mark VI IONet N-Tron Network switches keep on failing, RCA needed
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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,...
What is the critical speed of Centaur 40?
Serial interface between Allen Bradley's Control Logix and Emerson Ovation DCS
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By Pons Tanawan on 17 May, 2013 - 1:46 am -
Ann, how about the Nexus1250 its provided with RS485 communication port that could support A...
Very confused about the operation of minimum FSR/Acceleration Control and their constants. (probably too many questions on one posting)
New to Modbus, trying setup communication between two devices.
Woodward 505 steam controller Alarm issue
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