Helios KWL EC D Série Notice De Montage Et D'utilisation page 11

Installation and Operation Instructions
KWL Modbus RS 485 – Communication protocol
Tab . 1 - Unit operation specified by controller – Address 20000
Address Size
20000
0x00
0x01
0x02
0x03
0x04
0x05
Tab . 2 - Electronic operation of the unit – Address 15000
Address
Size
15000
0x00
0x01
0x02
0x03
0x04
0x05
0x0A
0x0B
Tab . 3 - Unit status – 1 Address 15012
Tab . 3 .1 . - HIGH byte
Address 15012 Hb . 3 - Geräte-Status – 1 Adresse 15012
Bits
7 6 5 4 3 2 1
1
1
1
1
1
1
x
0 – not set
1 – set
x – no Status
Tab . 3 .2 . - LOW byte
Address 15012 Lb . 3 - Geräte-Status – 1 Adresse 15012
Bits
7 6 5 4 3 2 1
1
1
1
1
1
1
x
0 – not set
1 – set
x – no Status
Meaning
Operation OFF
Operation ON – Set to constant volume flow
Operation ON – Set to constant pressure
Operation ON – Set to constant air quality
Operation SERVICE – direct regul. of supply air (address 20004-20013)
Operation SERVICE – motor setting, determination of max. volume
flows and pressures
Meaning
Operation OFF
Operation ON – Set to constant volume flow
Operation ON – Set to constant pressure
Operation ON – Set to constant air quality
Operation SERVICE – direct regul. of supply air
Operation SERVICE – operating setting
Soft start – when activating the unit
Cooling operation before deactivation
0 Meaning
1 Sensor error – outside air temperature
Sensor error – before auxiliary heating
Sensor error – after auxiliary heating
Sensor error – extract air temperature
Sensor error – outgoing air temperature
Sealing – internal filter
Sealing – external filter
–
0 Meaning
1 Safety thermostat for auxiliary heater
Sensor condensate overflow – drain blocked
External fire contact
Status of connection for the external control OFF / ON
Motor error outside air – Motor thermo-contact error
Motor error extract air – Motor thermo-contact error
Serial interface error (motor monitoring)
–
3
EN