122
11.3
Q&A
■
Q&A about installation
Q
When even one control unit in the system is replaced, why is it that all the terminal units in the system must be
powered off?
A
All the terminal units in the system must be powered off because of the following reasons:
①
Because live line work is not permitted.
②
Because 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
Q
The write of network information fails, and the following message appears.
A
Check the following points:
・
The control unit for the write is powered up.
・
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.
Q
The write of settings fails, and the following message appears.
A
A password entered at the write operation does not correspond to the password set for the target control unit.
Enter a correct password.
Q
The write of settings fails, and the following message appears.
A
Check the following points:
・
The IP address of the control unit for the write is correct.
・
The target control unit is in the same network with the computer.
Q
The write of settings fails, and the following message appears.
A
Check the following points:
・
The control unit for the write is powered up.
・
The LAN cable is firmly inserted.