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TF6581_A_NOT_INST_C02_SENSOR_MODBUS
Aereco S.A.
5.2. THE S-C02/T ELECTRICAL CONNECTIONS WITH HUB 8 SE
Disconnect the electrical power supply before any operations and ensure that the Hub SE cannot be
started accidentally. The Hub SE communicates to the other components through Modbus connection.
All the components are linked other via a daisy-chain. At the beginning and at the end of the daisy-
chain, a termination is needed.
B
B
B
C
D
D
A
230 VAC
ModBus connection to the CO
2
sensor
A
Hub SE
B
Sensors
C
Compensation valve at exhaust
D
ModBus Termination
RJ 45
Supply (230 V): 1.5 mm².