Mitsubishi Electric AE-200A Installation Manual page 18

[Main and Sub system controllers (M-NET)]
Each group can be controlled by a Main system controller or a Sub system controller.
AE-200/AE-50 is exclusively for use as a Main system controller and cannot be used as a Sub system controller.
Main system controller
Main system controller refers to a system controller that controls all other system controllers including the units
they control. If a given system has only one system controller, that controller becomes a Main system controller.
Group settings and interlock settings can be made only from a Main system controller.
Sub system controller
Sub system controller refers to a system controller that is controlled by a Main system controller.
(AE-200/AE-50's) control range
Sub system controller's
Group
The system cannot be configured as shown in the examples below.
● Groups that are not under the control of a Main system controller cannot be controlled from a Sub system controller.
● Each group cannot be placed under the control of two or more Main system controllers.
● Sub system controllers cannot be placed under the control of two or more Main system controllers.
WT07137X02
Main system controller's
control range
Group
Main system
controller
Group Group
Main system
controller 1
Group Group
Main system
controller 1
Group Group
Group
Sub system
controller
Group
Main system
controller 2
Group
Sub system Main system
controller controller 2
Group
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Group