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TF6746_A_NOT_DXA230_REFERENCE
Aereco S.A.
3.4. SMART INTERFACE
As an optional component, a smart interface may be implemented on the bus network. The small
interface allows to enable the automatic mode, the absence mode, or the overventilation mode.
The smart interface provides information regarding filters clogging rate and warning messages.
3.5. 2I2O MODULE
Wi-Fi ON
OFF
ON
Modbus
connection
RJ45
cable
Bus
cap
bus cap
smart
interface
in 1
grey
black
Modbus cap
(or toward smart interface
Bus
cap
2x0,75mm
2
wires
pump
end of pump
wires
230V 3x1,5mm
2
to circuit breaker
IOA
output 1
ov
ov
Wi-Fi ON
OFF
ON
Pump (2I2O optionnal) only to display an error message if the pump is not OK
Preheater (mandatory to drive 1 or 2 preheaters)
2I2O
OV
in 1
in 2
out 2
out 1
+5V
2I2O
OV
in 1
in 2
out 2
out 1
+5V
RJ45 cable
bus cap (or toward
2I2O module)
·The 2I2O module may be used to display
pump warning message on the interface
(optional)
·The 2I2O module is mandatory to drive 1 or
2 preheaters
·Only one 2I2O module can be connected on
both a pump and 1 or 2 preheater.
Note : On the DXA unit, the RJ45 cable use to link the
2I2O module may be plug into any Modbus connection
outlet (up to the installer).
If the 2I2O module is not linked with another module
(smart interface for example), a Modbus cap must be
plug in the second RJ45 outlet of the 2I2O module.
