Wiring Diagram - CDVI ATRIUM A22K Manual

EN

4] WIRING DIAGRAM

Out of the box the A22K is ready for IP connectivity, fifty (50) A22K per account. If you have more than one A22K
controller per account, one must be set as the "Master" controller to manage the others. These forty (49) others
are defined as "Sub-Controllers" .
The flexibility of the A22K module allows it to be set also as an "Expander". Up to four (4) A22K set as
an "Expander" can be connected to the RS485 Local Bus (orange connector) of a "Master" or
"Sub-Controllers". ATRIUM give you a total of 500 doors system (100 doors connected IP + 400 doors connected
RS485). Simply adjust the "Module Type" jumper setting as shown below.
Module is set as a
"2-Door Controller"
(Default Setting)
Module Type Jumper Setting
(Controller or Expander)
EX CT
A22K
Contrôleur 2 portes
or
EX CT
Module is set as a
"2-Door Expander"
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