Posts from...
Today, Sunday, May 20, 2012Printing vertical and horizontal lines using Icom DOS software
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By Jeremy Pollard on 20 May, 2012 - 2:36 pm -
Thx all for the replies...
Cheers from: Jeremy Pollard, CET The Caring Canuckian!
Crisis,...
Experiencing low H2 CE purity on a GE 7FH2 generator after a HGPI/MAGIC inspection.
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CSA - Thank you for the reply.
Based on our low casing purity numbers during our initial run up...
Attempt to control flexure based feed unit using MATLAB and SIMULINK
Foundation fieldbus positioner going back to factory defaults
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By john on 20 May, 2012 - 7:12 am -
I concur with Jonas, never seen this. The instrument supplier is who you need to talk to. Do you...
By Jonas Berge on 18 May, 2012 - 1:02 pm -
Never seen this before. Contact the device manufacturer directly. The tag and address are...
Looking for a circuit for ac drive which can also run with dc power
communication hangup between Siemens S7 PLC and ABB AC450 controller
What is scoop control for boiler feed pumps?
What are the best practices in interfacing with a GE Mark VI?
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By Peter Clout on 19 May, 2012 - 10:56 pm -
John,
I have just seen your post - we have a GE Mk VI interface to our
HMI/Historian. If you...
Advantages, disadvantages of aluminum vs stainless enclosures.
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By Steve Myres on 19 May, 2012 - 7:38 pm -
The only reason I can imagine to consider either over a painted mild steel enclosure is if you're...
By Bob Peterson on 19 May, 2012 - 9:08 am -
Aluminum is not as widely suitable as stainless steel is. It does have the advantage of lightweight...
Does anyone have experience with the Allen Bradley Control Logix PLC redundant power supply setup?
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By Russ Kinner on 19 May, 2012 - 2:04 pm -
This is opinion only so take it for what its worth... the MTBF for power supples is so much greater...
Please help me for REF Relay calculation.
Chemical company with batch processes has to decide if they buy Aspen tech or OSI.
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By rkb on 19 May, 2012 - 9:30 am -
i just stumbled across this page now (May 19, 2012) and know this is a late response.
We have...
Noting the extensive previous post of why we have to pay for PLC programming software (thread ran for seven years!). I'd just like to relate I found some Chinese PLC suppliers that offer their programming software for free!
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By Andrzej on 19 May, 2012 - 8:34 am -
Hello,
Schneider also has free software for Twido PLC.
Regards,
Andrzej
www.modbus.pl...
By Anonymous on 18 May, 2012 - 6:23 pm -
If it's the same Delta whose PLC's were being sold as Cutler-Hammer and programmed with ELCSoft, I...
I need the data to be taken on modbus and transfered to mobile devices.
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By Andrzej on 19 May, 2012 - 8:29 am -
Hello,
You can use embedded computer like Moxa,MMNET,Mini2440 etc. Sending emails and data is...
Diagnostic trip
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Okay, sorry for replying so late. To elaborate with the problem, the frame V machine running on...
Does anybody know of a non-nuclear continuous in- line density meter for slurry?
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By d- on 19 May, 2012 - 5:35 am -
nukes are plagued more by mis-management than the licenture issues, that said, you have to...
By JMW on 18 May, 2012 - 6:37 pm -
You might try Cidra Sonatrac.
http://www.cidra.com/?q=content/minerals-processing
This uses...
Our electrical system becomes unstable when we put generators on load control mode.
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Thank you Mr.CSA & others for your detailed explanations.
Take care
G.Rajesh...
By Namatimangan08 on 19 May, 2012 - 1:40 am -
Questions:
1. What is your selected AGC regulation time step? 4 seconds?
2. What is your...
A droop control is purely proportional in that, if the speed of the machine falls, the power...
GE Frame V Gas Turbine operating with High Exhaust Spread Problem
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Hai FSX,
Well, what is value of spread 2 and spread 3?
Whether one thermocouple is reading...
looking for a underground water level sensor
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Hi,
where to dig ?
Think the right way - where would it be best to have the well ?
For...
Looking for solution to interface few LIMITORQ actuator as part of MOVs to DCS I/O located around 600 meters away from the MOVs.
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By Mohamed on 19 May, 2012 - 3:43 am -
Hello Bob,
We have a total of 52 MOVs out of which 18 are for Utility...
Modbus Time delay issue in Daisy Chain
SRV opening and closing on start up and preventing firing of gas turbine unit (GE Nuovo PIgnone 5001)
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Hai Teekay,
>>When we checked the small hydraulic filter before the GCV & SRV servo...
Uses of ROM & RAM in Siemens S7
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Hi,
When you go online with the PLC and before you download, you would be able to see that there...
trying to save energy with a VFD on a constant centrifugal fan load.
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By Rob on 18 May, 2012 - 4:37 pm -
If the fan requires 20lb/ft to move the volume of air you want, then the motor is providing...
sorry for the delayed responce
I read you post & it makes sence. my thought is that my...
Has anyone had any experience with these sources of free PLC programming software?
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By William Sturm on 18 May, 2012 - 4:22 pm -
I wish someone would give A-B some serious competition, they need it IMHO.
The issue for any...
Hot loop for analogous signal different from a FF Device?
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By Jonas Berge on 18 May, 2012 - 1:23 pm -
What is "hot loop"? Are you referring to loop test / loop check?
Five point...
differential pressure transmitter (orifice plate) measuring flow with the square root function enabled
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By Jonas Berge on 18 May, 2012 - 12:07 pm -
Ditija: an RTD simulator has manual input and ohm output to the transmitter input. A TC simulator...
By Jonas Berge on 18 May, 2012 - 11:48 am -
See the calibration tutorial here:
http://www.eddl.org/DeviceManagement/Pages/Calibration.aspx
...
What's involved in changing a gas turbine operating speeds fro 60/50HZ?
I'm getting confused often that the Rang (Min/Max) and Calibration Range.
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By Jonas Berge on 18 May, 2012 - 11:32 am -
See the calibration tutorial here:
http://www.eddl.org/DeviceManagement/Pages/Calibration.aspx
...
Is there a way to calculate the compressor discharge temperature of a gas turbine without the use of compressor efficiency?
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By DABControl on 18 May, 2012 - 11:19 am -
You can't determine the real discharge temperature without assuming a value of isentropic...
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on 16 May, 2012 - 12:04 pm 










