National Instruments NI-CAN, User Manual

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Glossary
© National Instruments Corporation G-3 NI-CAN User Manual
E
error active A CAN node is in error active state when both the receive and transmit error
counters are below 128.
error counters Every CAN node keeps a count of how many receive and transmit errors
have occurred. The rules for how these counters are incremented and
decremented are defined by the CAN protocol specification.
error passive A CAN node is in error passive state when one or both of its error counters
increment above 127. This state is a warning that a communication problem
exists, but the node is still participating in network traffic.
extended
arbitration ID A 29-bit arbitration ID. Frames that use extended IDs are often referred to
as CAN 2.0 Part B (the specification that defines them).
F
FCC Federal Communications Commission.
frame A unit of information transferred across a network from one node to
another; the protocol defines the meaning of the bit fields within a frame.
Also known as
packet .
H
hex Hexadecimal.
Hz Hertz.
I
instance An abstraction of a specific real-world thing; for example, Mike is an
instance of the class Human. Also known as
object .
ISO International Standards Organization.
K
KB Kilobytes of memory.