Centralized Controller
② Press and hold the “Save” button for 5 seconds on the address conflict page,
select reset all the IDU’s address in the system, after entering the engineering
password, system will reassign all the address.
③ On the master unit of master system, if the mainboard has 7 buttons,press
“SW3” to enter the to-be-selected status of function settings, press “SW1 (UP) ”
or “SW2 (DOWN) ” to select the function of “n5”, press “SW7” to enter “n5”
function settings, press “SW7” again to send the project number offset command.
If the mainboard has 4 buttons, press and hold “SW1” for 5 seconds to enter
the to-be-selected status of function settings, press “SW1 (UP)” or “SW2
(DOWN) ” to select the function of “n5”, press
“
SW3” to enter
“
n5” function
settings, press “SW3” again to send the project number offset command.
3.2.4 Connection Method of L-CAC&Split Unit (Modbus network)
The central controller has two ways to connect with the unitary system:
Method 1
：
the centralized controller Connect with U-match Unit
（
Modbus
network
）
according to the below
Fig. 3.7 Centralized Controller Connected with
U-match Unit
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