5 Ref. system address regular communication
Item Description
ON
Set one of the main units to "ON" if at least one of the following conditions is applicable.
• There is only one Central Control Device
• There are 2 or more main units used in combination
• There is another Central Control Device used in combination
(Periodic communication is executed.)
OFF
Set to "OFF" if conditions are different from those above.
(Periodic communication is not executed.)