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Tel: +44 (0)191 814 2220
EtherNet/IP (EIP) defines an application layer protocol that efficiently and reliably instructs how devices should operate in industrial automation environments. EIP is one of the world’s leading industrial protocols and is widely used in a range of industries including manufacturing and process control.
EIP implements the Common Industrial Protocol (CIP) over Ethernet using UDP/IP and TCP/IP as the transport layer. Data flow is achieved through both implicit and explicit messaging over an Ethernet-based network.
Useful in time-critical applications and real-time control, implicit messaging is where the EIP devices are pre-configured to implicitly understand the messages that are sent between the EIP scanner and EIP adapter devices. Explicit messaging is where EIP client devices initiate direct communication with EIP servers. In this case, each message is required to include full details about the source and destination of the information. This is not as optimal as implicit messaging but can provide more flexibility since an agreement on the data format between devices is not required ahead of time.
IOTech’s EtherNet/IP device connector supports both implicit and explicit communication mechanisms, and implements the following key features:
Implicit communication with fully-configurable Originator to Target (O2T) and Target to Originator (T2O) initialization settings
Reading and writing of O2T data
Reading of T2O data
Configuration of T2O device resources to allow monitoring for changes in the data
Explicit communication with both unconnected and connected messaging
Supports the Get Attribute Single and Set Attribute Single service codes for all standard data types
Supports the Get Attribute All service code
Supports the Reset service for resetting the EIP adapter devices
Generically supports all services allowing for reading and writing using byte arrays
Support for BOOL, BIT, SINT, USINT, INT, UINT, DINT, UDINT, LINT, ULINT, REAL, LREAL and STRING data types
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The Catalyst 3 Science Square
Newcastle upon Tyne United Kingdom NE4 5TG
Tel: +44 (0)191 814 2220
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