Yokogawa Touch Screen GP20 - Manual (Page 368)

5-14
IM 04L51B01-01EN
• Other Communication Errors
Code Message Character String Description, Corrective Action, Ref. Section
731 Connection has been lost. — If the GX/GP receives data of improper protocol using
general purpose communication (Ethernet or serial
communication), the GX/GP generates error 731 and
disconnects the connection.
(1) For an Ethernet connection, check the GX/GP
Ethernet cable connection.
(2) For a serial connection, check the cable
connection and the serial communication settings
(baudrate, etc.).
732 The number of simultaneous connections has
been exceeded.
— This message is output when an attempt is made
to establish five or more connections to the GX/GP
using general purpose communication (Ethernet).
(1) Reduce the number of simultaneous connections.
(2) Check whether there is a connection from another
PC.
(3) Turn on the timeout function in server settings.
733 Communication has timed-out. — This message is output when communication times
out on general purpose communication.
(1) Check the timeout value in server settings.
(2) Reconnect to the GX/GP.
Communication Errors
For information about the GX/GP communication functions, see the Communication Command User’s Manual,
IM04L51B01-17EN.
• Execution Errors
Code Message Description, Corrective Action, Ref. Section
351 Command is too long. Check the communication command specifications.
352 This command has not been defined.
353 Command is not permitted to the current user level. Log in using a user account that has permission to use the
operation. 354 This command cannot be specified in the current mode.
355 The option is not installed. Check the communication command specifications.
356 This command cannot be specified in the current setting. Log in using a user account that has permission to use the
operation.
357 The number of the appointed command arguments is
inaccurate.
Check the communication command specifications.
358 A query cannot be used for the appointed command.
361 Error number is wrong. This is an unregistered error number. Please check the error
number.
401 A user name and password is required. Log in.
5.2 Troubleshooting