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10. System limits
Master system controller and slave system controller
The following types of group settings are not possible.
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Master system controller control range
This controller's control range
Unit
Unit
When the system contains only this controller.
This controller is set as the master system controller.
In this case, the group is set with this controller.
When this controller is controlled by another system
controller.
This controller is set as the slave system controller. In
this case, the group is not set with this controller.
This controller's control range
This controller's control range
Unit
• Control by the slave system controller of a
unit not within the control of the master
system controller.
• Setting of a slave system controller
exceeding the control range of two or
more master system controllers.
• Control of a common group with two or
more master system controllers.
Master system
controller
Slave system
controller
Group Group Group
Master system
controller 1
Slave system
controller
Group Group Group
Master system
controller 1
Master system
controller 2
Group Group Group
Master system
controller 2
Group