EtherNet/IP

Connection String Options

Name Value Description

Code

eip

Name

EtherNet/IP Protocol

Maven Dependency

 
<dependency>
  <groupId>org.apache.plc4x</groupId>
  <artifactId>plc4j-driver-eip</artifactId>
  <version>{current-last-released-version}</version>
</dependency>

Default Transport:

tcp

Supported Operations

read

Read tags from a PLC4X device

write

Write values to tags on a PLC4X device

Options

backplane

backplane value for the client (PLC4X device). Mandatory.

slot

slot value for the client (PLC4X device). Mandatory.

Address Format

To read and write data to a PLC4X device, the EtherNet/IP driver uses symbolic segments. This is used to refer to objects through their symbolic names. This makes reading data a lot easier, as you do not need to specify the Datatype for reading.

%{tagname}[{startIndex}]:{numberOfElements}
%{tagname}[{startIndex}]:{numberOfElements}:{DataType}
Name Description

Tagname

symbolic name of the Data

Start Index (optional)

if the data is an array, we can specify a starting index from where we want to read

Number of elements (optional)

if the data is an array, we can specify the number of elements we want to read. Use this in combination with the starting index to get the exact scope you want.

DataType (writing)

Specify the Data-type of the value you want to write (mandatory)

Data Types

To store Use this data type

Bit

BOOL

Bit array

DWORD (32-bit boolean array)

8-bit integer

SINT

16-bit integer

INT

32-bit integer

DINT

64-bit integer

LINT

32-bit float

REAL