Schneider Electric ACECFR20201SE ユーザーズマニュアル
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EcoBreeze System Installation
Building Management System
The Modbus interface allows the EcoBreeze System to communicate with a building
management system (BMS).
management system (BMS).
The Modbus connection is available in two locations on the Modbus hub:
• RJ-45 In port
• 3-wire on terminal block
• 3-wire on terminal block
For an RJ-45 connection, wire as follows:
For a direct 3-wire connection, connect to the corresponding contacts on the green terminal
block on the side of the Modbus hub. No connection is necessary to the 0V contact.
block on the side of the Modbus hub. No connection is necessary to the 0V contact.
Pin 4
D(A)
Pin 5
D(B)
Pin 8
Ground
1MOD
1MOD
D(B)
D(A)
0 V
na3660a
WIRING CONTACTS
FOR DIRECT 3-WIRE
CONNECTION
RJ-45 IN PORT
DDC PANEL
ENCLOSURE