Difference between revisions of "MCE temperature"

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= Temperature readout =
 
 
 
The MCE has temperature sensors on each FPGA, on each card, and on the rack (box).  These can be quickly read from the mce by running mce_status and grepping for 'temp':
 
The MCE has temperature sensors on each FPGA, on each card, and on the rack (box).  These can be quickly read from the mce by running mce_status and grepping for 'temp':
  
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* "ac fpga_temp" in pre-Rev D Address-cards is scaled by a factor of 1/2.  A reading of 14 indicates a temperature of 28 celsius.
 
* "ac fpga_temp" in pre-Rev D Address-cards is scaled by a factor of 1/2.  A reading of 14 indicates a temperature of 28 celsius.
  
[[Category:Firmware]]
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[[Category:Subrack]]
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[[Category:Address Card Firmware]]
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[[Category:Bias Card Firmware]]
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[[Category:Clock Card Firmware]]
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[[Category:Readout Card Firmware]]

Latest revision as of 18:47, 31 August 2016

The MCE has temperature sensors on each FPGA, on each card, and on the rack (box). These can be quickly read from the mce by running mce_status and grepping for 'temp':

mce_status -s | grep temp

The output will look something like (these are from ACT S204):

cc fpga_temp : 78
cc card_temp : 28
cc box_temp : 50
rc1 fpga_temp : 38
rc1 card_temp : 32
rc2 fpga_temp : 39
rc2 card_temp : 32
rc3 fpga_temp : 39
rc3 card_temp : 32
rc4 fpga_temp : 38
rc4 card_temp : 32
bc1 fpga_temp : 27
bc1 card_temp : 26
bc2 fpga_temp : 26
bc2 card_temp : 24
bc3 fpga_temp : 28
bc3 card_temp : 26
ac fpga_temp : 14
ac card_temp : 26

The numbers listed have units of Celsius, with the following exceptions (as of July 1, 2008):

  • "cc fpga_temp" and "cc box_temp" in Rev. B Clock Cards only, are scaled by a factor of 2. A reading of 78 indicates a temperature of 39 celsius.
  • "ac fpga_temp" in pre-Rev D Address-cards is scaled by a factor of 1/2. A reading of 14 indicates a temperature of 28 celsius.