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3) HIGH/LOW VOLTAGE DIGITAL OUTPUTS (DO1…DO6)
The device has 5 or 6 digital outputs (depending on model), which are configurable by means of user parameters.
The digital outputs are available as relay contacts (DO01…DO04 and DO06) or open collector low voltage outputs
(DO05). If necessary, the analogue outputs (Triac and PWM, AO1, AO2 and AO3) may also be configured as digital
outputs. See the following paragraph for the characteristics.
Parameter Description
CF45… CF49 DO1… …DO5 digital output configurations
CF50* Configuration of digital output DO6
* Parameter present in models with 5 relays (Triac not present in these models).
The relay output and open collector can be configured as shown in the table below:
Value Description
± 0 Output disabled
± 1…± 4 Compressor 1..4 switched on
± 5 Capacity step 1 compressor 1 relay
± 6 Capacity step 1 compressor 2 relay
± 7 Capacity step 1 compressor 3 relay
± 8 Capacity step 2 compressor 1 relay
± 9 Capacity step 2 compressor 2 relay
± 10 Capacity step 3 compressor 1 relay
± 11…± 14 Fan state 1..4
± 15 Alarm status
± 16…± 22 Not used
± 23 Compressor inverter enabling
± 24 Fan inverter enabling
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