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Allen-Bradley ControlLogix Ethernet Driver Help

Atomic Tag Client

A Logix Tag defined with an Atomic Data Type.

An HMI/SCADA or data bridging software package utilizing OPC,DDE, or proprietary client/server protocol to interface with the server.

Client/Server Data Type

Data type for tags defined statically in the server or dynamically in a client. Supported data types in the server are listed in Data Type Descriptions. Supported data types in the client depends on the client in use.

Client/Server Tag

Tag defined statically in the server or dynamically in a client. These tags are different entities than Logix Tags. A Logix Tag name becomes a Client/Server Tag address when referencing such Logix Tag.

Client/Server Array

Row x column data presentation format supported by the server and by some clients. Not all clients support arrays.

Logix Data Type Logix Tag Logix Array

A data type defined in RSLogix 5000 for Logix-platform controllers. Tag defined in RSLogix 5000 for Logix-platform controllers.

Multi-dimensional array (1, 2 or 3 dimensions possible) support within RSLogix 5000 for Logix-platform controllers. All Logix atomic data types support Logix Arrays. Not all Logix structure data types support Logix Arrays.

Logix Pre-Defined Data Type

Logix Data Type pre-defined for use in RSLogix 5000.*

Server

The OPC/DDE/proprietary server utilizing this Allen-Bradley ControlLogix Ethernet Driver.

Structure Data Type

A Logix data type (pre-defined or user-defined) that consists of members whose data types are atomic or structure in nature.

Structure Tag

A Logix Tag defined with a Structure Data Type.

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