Mitsubishi Electric GOT2000 Series, Connection Manual

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21.3 GOT Side Settings
21.3.4 Determining the GOT side interface (Interface selection)
To use the multi-channel function, add interfaces to the GOT with the following methods if required.
• Install communication units on the extension interfaces.
• Use communication units installed on the extension interfaces with the RS-232 interface, the RS422/485 interface, and/or
the Ethernet interface built in the GOT.
3rd stage
2nd stage
1st stage
(Example: In the case of the GT27)
Extension interface
Standard interface 4
(Ethernet interface built in the GOT)
Allows controllers to be connected via Ethernet.
Up to four channels can be set.
Allows a controller to be connected via the serial
communication.
Standard interface 1
(RS-232 interface built in the GOT)
Allows a controller to be connected via the serial
communication.
Standard interface 3
(RS-422/485 interface built in the GOT)
Not used for the multi-channel function.
Standard interface 2
(USB interface built in the GOT)
Extension interface allows the installation of
a communication unit up to the 3rd stage.
These communication units cannot be used
if installed in the 4th or higher stage.