Explicit Message Send - Omron SYSMAC CJ1W-EIP21 Operation Manual

FINS Commands Addressed to EtherNet/IP Units or Built-in EtherNet/IP Ports
IP Address (Response)
The local IP address set in the CPU Bus Unit System Setup for the EtherNet/IP Unit or built-in EtherNet/IP port
is returned in order starting from the leftmost bytes in hexadecimal. If the local IP address set in the allocated
words in the DM Area is enabled, 0.0.0.0 is returned.
Subnet Mask (Response)
The subnet mask set in the CPU Bus Unit System Setup for the EtherNet/IP Unit or built-in EtherNet/IP port is
returned in order starting from the leftmost bytes in hexadecimal.
Response Codes
Response code
0000 Normal end
1001 Command too large

EXPLICIT MESSAGE SEND

Sends a explicit request message to the specified object, and receives a response.
The rightmost 8 bits of the remote (destination) IP address are used as the remote MAC ID, and the remote IP
address is the network ID of the local IP address + the rightmost 8 bits of the remote IP address.
Command Block
28 01
Command
code
Service Code
Destination node address
Response Block
28 01 00 00
Command End
code code
Response Codes
Response code
0000 Normal end
0101 The local node's network has not started up.
0105 Local node setting error (A BOOTP errors occurs, and the IP
address is undetermined.)
0106 Duplicate address error
0201 The remote node's network has not started up.
0204 Remote node busy, cannot send.
0205 No response returned from remote node. Monitoring timer
timed out.
1001 Command length exceeds maximum command length.
1002 Command length is less than minimum command length.
1004 Command block format does not match.
1005 Header error
416
Description
Class ID Instance ID Service Data
Number of
bytes received
Service Code
Destination node address (remote node)
Description
468 bytes max.
498 bytes max.
Service Data
Appendix E