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Wassim, Can we get the clarifications, or a link to the capabilities on the Matrikon website? Thanks!

We don't have enough information about the configuration to provide specific details for your site. A quick search using my preferred Internet search engine led me to the DEIF site and I was able to view the Data Sheet for the Load Sharing device. (Remove any spaces inserted by the software...

Ali Shah, If the unit is a generator drive being operated in parallel with other turbines and generators on a grid, and the fuel valve goes from some mid-stroke position to full open relatively quickly, the speed will NOT change appreciably and the unit will likely trip on exhaust...

GE-design heavy duty Frame 5 gas turbines are used to drive generators as well as compressors and pumps. Mostly, single-shaft Frame 5s are used to drive generators, and mostly two-shaft Frame 5s are used to drive compressors and pumps. Is the Frame 5 single-shaft or two-shaft unit? (In other...

BIL07, We are a lot of things here at control.com. Fluent in French is not generally one of them, though. (It's amazing you would think to post alarm messages in French on an English-language website, along with an introduction in English and a question in English.) If you would...

The criticality of the motor to the process should be the driving factor in determining what protection should be included in the motor control circuit. Not horsepower or size.

Wassim Daoud, We are talking about Mark V in this post, and I think I was thinking it was Mark VI. But, please be clear and specific about what the Matrikon OPC for GE Speedtronic turbine control systems can and can't do--without having to wade through the Matrikon website. Because I can't...

Yes, Ms. Ferraro. Thanks for your patience, and sincerely sorry if we added to your work and stress. <i>Moderator's note: Hey stress is over. I got to drive the tractor at the farm for 4 hours today. Better than anything to get rid of stress. You can all quit apologizing now, honest.</i>

Congratulations for only having one Diagnostic Alarm--and also for wanting to resolve the Diagnostic Alarm! CPD refers to gas turbine axial Compressor Pressure, Discharge (or Compressor Discharge Pressure). The reason you don't see it IO.ASG is because steam turbines don't have axial...

Thank you for the follow-up!

IDOS was written to work with specific BIOS chips/software. It will not run on any IBM-compatible PC. If you moved the ARCnet card from the <I> to this new PC, it should not have been necessary to change the StageLink ID (the dipswitches on the ARCnet card). Do any of the LEDs on the...

> MODBUS is no longer the preferred method of communicating with GE turbine controllers. OPC is the way to go ... < This is really an outlandish statement. This would be per Matrikon, not per any Customers who only have MODBUS capability. OPC has many advantages, but is also has some...

How old is this installation? Do you know if you have reviewed and replaced any N-Tron switches per the Product Service Bulletins? (I believe serial numbers from the Product Service Bulletins can be used to identify faulty switches.) How are you measuring the temperature inside the control...

The Mark V Speedtronic Application Manual, GEH-6195, has some very good information and explanations of Mark V MODBUS. While some of the information is particular to <I> operator interfaces running IDOS, the basics of how signals are configured don't change. Also, GEH-6720, the Speedtronic...

Mellberg, Thanks for the information!

If the shaft was removed and sent away, was it re-aligned to the Accessory Gear and Load Gear when it was re-installed? (Believe it or not, I've seen Site Managers who claimed re-alignment after re-installation of the turbine/compressor shaft was not necessary, and blamed vibration problems on...

D.V, I'm not aware of any N-Tron switches used with Mark VI equipment; Mark VIe, but not Mark VI. <b>WHEN DID THIS PROBLEM START?</b> I'm not sure if this is the proper forum for this question. Shouldn't you be working with the supplier of the equipment (I presume that's GE, or one of...

It means you need to troubleshoot the alarm by looking at the sequencing or application code that generates the alarm to see what can cause it. We could make some generalizations, but only the sequencing or application code running in the Speedtronic controlling and protecting the unit and...

Bob Peterson, is, as usual, 100% correct. You would do well to understand what factors affect GT performance, and then what instrumentation is present on the machine at your site that can be used to reflect or calculate performance. Heat rate is one factor, but not every machine has the...

The only person who can answer your question about what needs to be forced is you, because only you have access to the P&IDs for the Liquid Fuel System at your site. You need to review the P&IDs to determine if there are any signals which need to be forced in order to energize solenoids to allow...