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Systemair NOVA drive 370
Analog control
The speed reference is given as 0-10V to the NOVA drive.
Modbus
As soon as a valid message is received trough Modbus, the NOVA drive will switch from analogue to Modbus commu-
nication and will continue operating in this manner until power is reset.
Enable rotary guard
To use the rotary guard, the sensor must be supplied with 10 V from Uout 10V and connected to ground, 0V. The out-
put from the sensor must be connected to RUN.
Disable rotary guard
If you do not wish to use the rotary guard feature, disable it by connecting the RUN terminal to Uout 10V. To re-enable
it you must power reset NOVA and connect according to described earlier.
DIR
RUN
0V
U out 10V
U in 0-10V
0V
Modbus
B
A
0V
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General