J1939 via AB7645 through Ethernet

nhicks

Member
Join Date
Jan 2007
Location
Whitewater, WI
Posts
111
Has anyone had experience with J1939, Caterpillar Gensets, or Pyramid Solutions AB7645 J1939/Ethernet gateway?

Im currently communicating through the AB7645/Ethernet, between the Genset and my Controllogix. I can display values and measurement fine.

Im trying to read the SPN/FMI information for alarms and shutdowns. I read the 4 bytes that are sent, I see the SPN, but the FMI is always coming across as a 15 (Alarm), even on a shutdown. I guess my question is more geared towards the AB7645, as to whether or not my block reading is correct. But getting support from the company is not easy.

Any assistance would be greatly appreciated! Id like to make it home for turkey day! hehe

NH
 

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