15-27
15 Ethernet
CP2E CPU Unit Software User’s Manual(W614)
15-4 FINS Communications
15
15-4-6 New FINS Commands
z Command Code List
This section describes the new FINS commands that can be sent to the CPU port and the
responses that are returned.
The command codes listed in the following table can be sent to the CPU port.
The destination unit address (DA2) in FINS frame should be set as 0x00.
z FINS/TCP CONNECTION REMOTE NODE CHANGE REQUEST: 2730
Requests a remote node change for the FINS/TCP connection.
Command Block
Response Block
Parameters
FINS/TCP Connection No. (Command)
Specifies, in two bytes, the FINS/TCP connection number (1 to 3) for which the change is to be
made.
Remote IP Address (Command)
Specifies the remote node’s IP address (must be non-zero) in hexadecimal.
Remote Port Number (Command)
Specifies the remote TCP port number (must be non-zero) with this command.
New FINS Commands Addressed to CPU Port (0x00)
Command code Name
MRC SRC
27 30 FINS/TCP CONNECTION REMOTE
NODE CHANGE REQUEST
31 FINS/TCP CONNECTION STATUS READ
50 IP ADDRESS TABLE WRITE
51 IP ROUTER TABLE WRITE
60 IP ADDRESS TABLE READ
61 IP ROUTER TABLE READ
27 30
FINS/TCP
connection No.
Command
code
Remote IP
address
Remote TCP
port number
27 30
Response
code
Command
code