Mitsubishi Electric EMU4-CNT-MB User Manual page 37

Operation of Control unit
If an extension unit is connected to the parent
terminal, finish the connection and the wiring
of the extension unit side by this point.
Perform the wiring of MODBUS RTU
communication for every control unit in
the system.
If the result is not normal, check the connection result,
network settings, or communication lines to identify the
source and eliminate it.
Connect the parent terminal and the
computer with a LAN cable.
Set up the extension unit with the small
type display unit.
Refer to Small Type Display Unit for
Energy Measuring Unit User's Manual
(Details).
Setting the control operation state to RUN starts the
control. Execute it in good condition to operate.
Control unit operation
Set the STOP/RUN switch of the unit to RUN.
Connect the control target equipment and
each control unit.
Continued from
the previous page
No
Is the connection check result normal?
Change the control operation state of the control unit to RUN.
It can be changed both from the unit and from the software.
Execute it from either of them.
End
36
Operation of Control Unit Engineering Tool
Check the wiring connection.
Refer to 7.11 Check of Connection.
Yes
Adjust the parent terminal clock to the
present time.
Refer to 10.2 Setting of Clock.
Create the settings for control method.
・Interlocking control...refer to
・Compressor control...Refer to
・Schedule control...Refer to
Write the created settings into the control
unit.
Refer to 7.12 Write of Settings.
Software operation
Change the control operation state of the unit.
Refer to 7.13 Change of RUN/STOP.
Execute the manual control.
Refer to 9.2 Manual Control of output.
*If not necessary, move to the next step.
7.7.
7.8.
7.9.