CEL-MAR ADA-4044H Manual del usuario - Página 8
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MASTER
Fig. 5. Star type connection of devices with 2-wire RS485 interface to main 2-wire RS485 bus. Device separation from main 2-
wire bus, extending the main bus by a further segments of 1200m, signal amplification, possibility of connection additional
RS485(2W)
connector
A
Rt
B
GND
-
-
RS485(2W)
connector
A
B
GND
-
-
RS485(2W)
connector
A
B
GND
-
-
128 devices.
8
RS485(2W)
connector
A
Rt
B
GND
-
-
RS485(2W)
connector
A
B
GND
-
-
RS485(2W)
connector
A
B
GND
-
-
SLAVE