YASKAWA MP Series Troubleshooting Manual

2.1 Flow for Checking Trouble
2-2
2.1 Flow for Checking Trouble
If a connection with MPE720 cannot be established, take the necessary corrective action by referring to the flow shown
below.
Start
Check the details of the error
that occurs when MPE720
version 6 is in the online mode.
The message “Cannot
connect to the controller.”
is displayed.
YES
End
NO
YES
The message “Failed
to communicate with controller.”
is displayed.
NO
NO
The message
“It is not possible to
connect, because the controller
type is different.” is
displayed.
NO
YESYES
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Check whether the
communication settings of
MPE720 are appropriate.
Check whether the
communication process
settings of MPE720 are
appropriate.
Check whether the IP
address of the computer has
been manually set to the
appropriate value.
Connect to the Ethernet
network by selecting the
PLC folder or project
appropriate for the target
MP2000 Series Machine
Controller (CPU).
Check the scan time and
review the settings.
The message
“Communication timeout error”
is displayed.
For details, refer to 2.2
Checking Error
Details
.
For details, refer to 2.3
Checking the IP
Address of the Computer
.
For details, refer to 2.4
Checking the
Communication Settings
.
For details, refer to 2.5
Checking the
Communication Process Settings
.
For details, refer to 2.6
Communica-
tion Time-out Error
.

YASKAWA MP Series Specifications

General

Brand	YASKAWA
Model	MP Series
Category	Controller
Language	English