Mitsubishi Electric MELSEC iQ-R Series User Manual page 504

Response area
Address Item
Un\G7752868 to Execution completed
Un\G7752869 count
Un\G7752870 to Response data
Un\G7753576
Un\G7753577 to System area
Un\G7753727
*1 The value set in the parameter is stored when the module starts. The items marked with "-" except for the communication method are
ignored even if the setting is changed.
*2 If UCMM communications are set for the communication method for the area set for Class3 in the parameter, a response error occurs.
• Path Segment specification
In this area, Port Segment can be specified. Set Port Segment when accessing a device with tag data on the CPU module
side via an EtherNet/IP device.
• The Path Segment specification usually does not need to be changed from the default value. Specify Path
Segment for devices that require the Connection Path specification.
• When the external device is RJ71GN11-EIP or RJ71EIP91, specify the default (0: No Path Segment
assigned).
• For the Connection Path specification, refer to the EtherNet/IP specifications (THE CIP NETWORKS
LIBRARY Volume 1 Common Industrial Protocol (CIP.)).
• Set the Path Segment specification according to the specifications of the external device. If a Path Segment
that is not supported by the external device is specified, a response error may be received.
APPX
502
Appendix 3 Buffer Memory
Class3 UCMM Description
 
The execution completion count of the
Class3/UCMM communications is stored.
  ■Message communications
The response data from the EtherNet/IP
device that sent the response command is
stored.
However, this area is not used for a service
that sets values for the transmission
destination device.
For details, refer to the manuals of the
transmission destination EtherNet/IP
device.
■Tag communications
When the Service is Class3/UCMM Read
Originator, the response data from the
transmission destination EtherNet/IP device
is stored.
When the Service is Class3/UCMM Write
Originator, this area is not used.
Initial value Read, write
0 Read
0 Read