Toshiba V Series User Manual

200 Ethernet module User’s Manual
Chapter 8 Error Handling
8
(c) Send request
Start
End
Close the socket.
Is the USEND_T
instruction completed ?
No
No
Yes
0
1) Check the remote station IP
address and message transmission
UDP port number again.
2) Configure the router if there is a
router on the transmission line.
3) Check the network verification
items.
Is the socket status
NOACK bit 1 or 0 ?
Is the socket status
RCLOSE bit 1 or 0 ?
1
0
No
Yes
Does a response come
back if a PING is issued to the
remote station ?
No
Yes
Is the error counter
read out from the RAS information
constant ?
RAS error counters: Alignment error
Short packet, CRC error
Confirm the status when the
USEND_T or URCV_T is not
completed.
It is possible that there is an error on
the network itself. Check the network
verification items.
Is the station status such
that run + socket transmission
is enabled ?
Set the station to run + socket
transmission enabled using an
operating mode control request.
Refer to the completion status and
eliminate the cause of the error.
Yes
Establish the connection between the
local TCP and the remote TCP.
Is the TCP connection
established ?
1
No
Yes
Close the socket.

Toshiba V Series Specifications

General

Brand	Toshiba
Model	V Series
Category	Controller
Language	English