In is interesting to note that CAN communication is different then say your computer on a network. On a computer network when you communicate with something you create a direct link and flow communication back and forth.
A CAN Bus network is a chatty network. There are no direct links but rather all devises are spewing out data or information. If 2 talk at the same time the device with higher priority is allowed to speak.
If you want to know information from something you simply listen. If an EGT sends out a value you wait for a message to pass down the network from the EGT and just read the values as it goes by.
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