-7-
Master system
Group Group Group
controller
Slave system
controller
Group Group Group
Master system
controller 1
Master system
controller 2
Group
Group
Group
Group
Master system
controller 1
Master system
controller 2
Slave system
controller
NOTE :
The following group setting cannot be performed.
• Unit groups which are not under the management of the master controller and are managed by the slave
system controller.
• A common group is managed by more than two master controllers.
• A slave system controller which exceeds the management range of the master system controller of two or
more.