CDVI ATRIUM AC22 - Connecting Expander Modules

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EN
ATRIUM
2-Door Controller
INSTALLATION MANUAL
EN
ATRIUM
2-Door Controller
INSTALLATION MANUAL

The 2-Door Controller has a RS485 LOCAL BUS terminal allowing the connection with the ATRIUM expander
module. The RS485 LOCAL BUS communication is up to 1220 m (4000 ft) maximum of wires. Connect the
expander module’s using these topologies:
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AC22
AX22 AX22 AX22 AX22
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AC22
AX22
AX22
AX22
AX22
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AC22
AX22 AX22 AX22 AX22
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AC22
AX22
AX22
AX22
AX22


MIXED
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STAR