Emerson Epsilon EiDeviceNet Drive Uživatelský manuál stáhnout pdf (Strana 87)

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.

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Emerson Epsilon EiDeviceNet Drive Uživatelský manuál Strana 87