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Glossary
Application Objects
These implement the intended purpose of the product.
Attribute
A sub-classification for a parameter or bit. The attribute is grouped directly under the more
broad category of class. Example: Class = Index, Attribute = Index Dwell. Each Attribute
accessible to the user is assigned a number (See “Drive Parameters” on page 61. )
Baud Rate
The number of times the communication signal changes per second. In the case of a digital
communication signal, it is equal to the number of bits per second.
Class
A top level DeviceNet classification for all parameters and bits. Each class is given a unique
number ID found in the chart #.
Connection Class
This allocates and manages internal resources associated with both I/O and Explicit
Messaging connections.
Connection Object
This manages the communication specific aspects associated with both I/O and Explicit
Messaging connections.
Daisy Chain
A slang term for a wiring process that goes from one device to the next connecting wire A to
A, B to B, etc.
DeviceNet
A communications link to connect industrial devices (limit switches, photoelectric switches,
motor drives, and position controllers) as well as control devices (programmable controllers
and computers) to a network. All references to DeviceNet in this document refer to ODVA
DeviceNet Specifications Volumes 1 and 2, release 2.0.
DeviceNet Object
This provides the configuration and status of a physical DeviceNet network connection.
Epsilon Ei DeviceNet Drive Reference Manual