Fins/Tcp Connection Remote Node Change Request - Omron SYSMAC CS1W-ETN21 Operation Manual

Command/Response Reference
Response Block
Parameters
Destination IP Address
(Command)
Timeout Value
(Command)
Remarks
Response Codes

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

Command Block
27 20
Command Response
code code
The IP address (in hexadecimal) of the destination node for the PING com-
mand echo request packet.
The wait time for the echo reply packet. The value is set in seconds. The tim-
eout time is set at 20 seconds if the value is specified as 0. If the echo reply
packet is not received within the set time limit, the code for a timeout error will
be set as the results storage response code.
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 code
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.
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.
27 30
Command FINS/TCP Remote IP
code connection No. address
Description
Remote TCP
port number
Section 7-3
185