Toshiba V Series User Manual page 209

(3) When the EN311 fails to enter run mode
This section assumes that the module has started normally up to this point. Note that
the parameters must be set up with a parameter setup request before issuing the
operating mode control request used to switch the module from standby mode to run
mode.
(a) Parameter setup request
Check the completion status and
eliminate the cause of the error.
6F8C0904
Start
Is the operating mode
control request executed ?
Yes
Is the USEND_T instruction
completed ?
Yes
End
Set up the IP address and the
No
message transmission UDP port
number.
Confirm the status when the
No
USEND_T or URCV_T is not
completed.
Fasten the setscrew.
To the operating mode control request
8.5 Troubleshooting
8
189