Q&A - Mitsubishi Electric EMU4-CNT-MB User Manual

11.3 Q&A
■Q&A about installation
When even one control unit in the system is replaced, why is it that all the terminal units in the system must be
Q
powered off?
All the terminal units in the system must be powered off because of the following reasons:
①Because live line work is not permitted.
A
②Because a difference is not made between the output status in the system managed by the parent terminal and that of a
replaced terminal.
■Q&A about settings
The write of network information fails, and the following message appears.
Q
Check the following points:
・The control unit for the write is powered up.
A
・The LAN cable is firmly inserted.
・The IP address of the target control unit is correct.
・The target control unit is in the same network with the computer.
The write of settings fails, and the following message appears.
Q
A password entered at the write operation does not correspond to the password set for the target control unit.
A
Enter a correct password.
The write of settings fails, and the following message appears.
Q
Check the following points:
A
・The IP address of the control unit for the write is correct.
・The target control unit is in the same network with the computer.
The write of settings fails, and the following message appears.
Q
Check the following points:
A
・The control unit for the write is powered up.
・The LAN cable is firmly inserted.
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