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Epsilon Ei DeviceNet Drive Reference Manual
Drop Line
A DeviceNet cable that runs from the trunk of a system to a device.
EDS
Electronic Data Sheet file is a formatted ASCII file that contains configuration information
of the device.
Epsilon Drive
The Epsilon drive is a digital positioning drive. In addition to the basic single axis motion
control features, it provides advanced diagnostics and high speed communication
capabilities.
Explicit Message
A message constructed within the master to poll a device for a single parameter. Explicit
Messages occur in the background of implicit messaging.
Explicit Messaging Connections
Provide generic, multi-purpose communication paths between two devices. Explicit
Messages provide the typical request/response oriented network communications.
Implicit Message
A message sent from the master to the slave as a way of passing data. Implicit messages
transfer a predefined amount of data to and from the Master at a constant rate.
Index
An index is a set of parameters that defines position based motion including target position
and velocity, and other parameters. The different types of indexes specify basic operation.
Indexes are associated with digital input and outputs for the purposes of providing control and
indication of the Index status.
Indexer
Another term for the Epsilon Ei drive, which is intended for indexing.
Instance
A sub-classification for a parameter or bit. The instance is grouped directly under the more
broad category of attribute and allows for multiple occurrences of a parameter. Example:
Class = Index, Attribute = Index Dwell, Instance1 = Index 0 Dwell, Instance2 = Index 1
Dwell. Each instance is assigned a unique number under its respective attribute.