6 F 3 B 0 3 6 2

b.Send request

START

Does the SEND instruction

complete?

Yes

Is the station status such that run + socket transmission is enabled?

Yes

Is the transmission destination IP address set to that of the remote Ethernet Port?

Yes

Are the UDP ports on the local and

remote ports opened?

Yes

Does the status indicate normal

completion?

Yes

Does a response come back if a

ping is issued to the remote

No

Verify the status using the procedure described in

the item 3 " If a SEND or RECV instruction fails

 

 

complete" on page 148.

 

 

 

 

No

Set the Ethernet Port to run + socket

transmission enabled using an operating mode

 

 

control request.

No

 

 

Verify the remote Ethernet Port transmission

 

destination IP address.

 

 

 

 

No

Open UDP ports on the local port and remote

 

ports.

 

 

No

 

Resolve the problem by referring to the status.

 

 

 

No

1. Recheck the remote port IP address and

message transmission UDP port numbers.

 

Ethernet Port?

Yes

Is the error counter read out from the RAS information constant (i.e.,

No

2.Verify that there is no router on the network.

3.Check the network verification items.

It is possible that there is an abnormality on the

not being incremented)?

(Use RAS information readout to

determine this.)

Yes

END

network itself. Check the network verification items.

RAS error counters: Alignment error:

Short packet

CRC error

156

Page 157
Image 157
Toshiba T2N instruction manual Send request, Completion?