fieldbus system for generator stater winding temperature measurement

C

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chiru

we want to measure generator stator winding temperatures (PT100 RTD) using fieldbus system (profibus or foundation fieldbus system). presently these are being measured using temperature transmitters (4-20ma output). would like to know experience of readers regarding this and if they are using it already, which system is being used.

thanks in advance.
 
J
There are many temperature measurement applications using FOUNDATION fieldbus. You can use the Rosemount 848T 8-input temperature transmitter in this application. That is, a single FF transmitter eliminates 8 pcs 4-20 mA transmitters, most cables, and AI cards. Use the Softing linking device to bring the data into DCS/PLC or direct to software if you system doesn't already support FOUNDATION fieldbus H1. Lots of useful diagnostics such as "measurement validation" you will not get in a 4-20 mA device.
http://www2.emersonprocess.com/en-U...ty-Measurement/848T-Fieldbus/Pages/index.aspx

Rosemount 848T is also available in a 4-input WirelessHART version which you may wish to consider. That is, a single WirelessHART transmitter eliminates 4 pcs 4-20 mA transmitters, all cables, and AI cards. Use the Emerson 1420 WirelessHART gateway to bring the data into DCS/PLC or direct to software.
http://www2.emersonprocess.com/en-U...ty-Measurement/848T-Wireless/Pages/index.aspx

Cheers,
Jonas

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