Specifications

Allen-Bradley ControlLogix Ethernet Driver Help
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
A data type defined in RSLogix 5000 for Logix-platform controllers.
Logix Tag Tag defined in RSLogix 5000 for Logix-platform controllers.
Logix Array 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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