19.EtherNet/IP COMMUNICATION
19.7.3.2 Communication Setting Objects
(1) Message Router object (Class ID: 02h)
This object distributes messages to object classes or object instances in a driver. No attribute or service
can be used with this object.
(2) Connection Manager Object (Class ID: 06h)
This object is used to establish an I/O connection or a dedicated connection when Explicit Message is
frequently used. The description of each Attribute is as follows.
Number of Forward_Open service requests received
Number of Forward_Open service requests that have been rejected due to the incorrect format
Number of Forward_Open service requests that have been rejected due to insufficient resource
Number of Forward_Open service requests that have been rejected due to a reason other than the incorrect
format or insufficient resource
Number of Forward_Close service requests received
Number of Forward_Close service requests that have been rejected due to the incorrect format
Number of Forward_Close service requests that have been rejected due to a reason other than the incorrect
format
Total number of connection time-outs that have occurred in the connection controlled by this Connection
Manager
This instance supports the following services.
Reads the values of all the attributes.
Reads the value of the specified attribute.
Writes a value to the specified attribute.
Opens a connection with data size of up to input 509
bytes and output 505 bytes.
Opens a connection with data size of up to 1448 bytes.