Omron CS1W-ETN21 FINS/TCP Connection Remote Node Change Request, Remarks, Ping Command

Command/Response Reference Section 7-3

Remarks

PING Command

The PING command runs the echoback test using the ICMP protocol. When the PING command is executed, an echo request packet is sent to the remote node ICMP. Correct communications are confirmed when the returned response packet is received normally. The echo reply packet is automatically returned by the remote node ICMP.

Response Codes

Response code	Description
0000	Normal (echo reply received from the remote node)
0205	Timeout error
1001	Command too large
1002	Command too small
1100	Zero destination address
220F	PING command currently being executed
2211	High traffic at Unit; cannot execute service.

7-3-19 FINS/TCP CONNECTION REMOTE NODE CHANGE REQUEST

Requests a remote node change for the FINS/TCP connection.

The default destination IP address in a connection in which the Ethernet Unit is used as a client is the destination IP address set under the FINS/TCP Tab in the Unit Setup. By sending this command to the Ethernet Unit, the destina- tion IP address for the specified connection can be changed to another IP address.

Remote node changes can be made only for connection numbers specified as

FINS/TCP clients in the Unit Setup.

Command Block

27	30
Command		FINS/TCP	Remote IP	Remote TCP
code		connection No.	address	port number

Response Block

Parameters

FINS/TCP Connection No. (Command)

Remote IP Address (Command)

Remote Port Number (Command)

27 30

Command Response

code code

Specifies, in two bytes, the FINS/TCP connection number (1 to 16) for which the change is to be made.

Specifies the remote node’s IP address (must be non-zero) in hexadecimal.

Specifies the remote TCP port number (must be non-zero) with this com- mand.

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