Object Map Definitions; Obejct Model Of Devicenet - Mitsubishi Electric FR-A8ND Instruction Manual

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OBJECT MAP DEFINITIONS

6.1

Obejct model of DeviceNet

For DeviceNet communication, each node is modeled as collections of objects (abstraction of particular functions of the
products). The following four terms are used to describe object.
Item
Class Collections of all objects which have same types of functions. Generalization of object
Instance Concrete expression of object
Attribute Expression of object characteristic
Service Function supported by object or class
The following explains object definitions for use of the FR-A8ND DeviceNet.
For details of the definitions, consult the DeveiceNet documentation available from ODVA.
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OBJECT MAP DEFINITIONS
Definition