DRV-KM¶
Holding Registers¶
0x00 - WorkMode¶
Work mode.
Parameter name |
Description |
Value |
|---|---|---|
NOT_SET |
Not set. |
0 |
WM_OFF |
Device off. |
1 |
WM_HT |
Heating mode. |
2 |
WM_COOL |
Cooling mode. |
3 |
WM_VENT_KM |
Ventilation mode. |
4 |
- Default value
2
0x01 - DamperForceMode¶
Damper forcing mode.
Parameter name |
Description |
Value |
|---|---|---|
NOT_SET |
Not set. |
0 |
OFF_1 |
Disabled. |
1 |
ON_2 |
Enabled. |
2 |
- Default value
1
0x02 - DamperForceTempRef¶
Parameter name |
Description |
Min |
Max |
Step |
Multiplier |
|---|---|---|---|---|---|
DAMPER_TEMP_REF |
Temperature |
-100 |
150 |
5 |
0.1 |
0x03 - DamperForceLevelRef¶
Parameter name |
Description |
Min |
Max |
Step |
|---|---|---|---|---|
DAMPER_LVL_REF |
Damper position |
0 |
100 |
5 |
0x04 - DamperLevelRef¶
Damper position.
Parameter name |
Description |
Min |
Max |
Step |
|---|---|---|---|---|
DAMPER_LVL_REF |
Damper position |
0 |
100 |
5 |
- Default value
100
0x05 - FanEffRef¶
Fan efficiency setting.
Parameter name |
Description |
Min |
Max |
|---|---|---|---|
FAN_EFF_EC |
Fan efficiency. |
0 |
100 |
- Default value
100
0x06 - FanRoofForceEffRef¶
Forcing fan roof ventilator speed (efficiency will be increased by FanRoofForceEffRef).
Parameter name |
Description |
Min |
Max |
|---|---|---|---|
FR_FORCE_EFF_REF |
Efficiency |
-100 |
100 |
0x07 - FanRoofMode¶
Fan roof work mode.
Parameter name |
Description |
Value |
|---|---|---|
NOT_SET |
Not set. |
0 |
FR_MD_01 |
Depends on damper position (DamperLevelRef) and fan efficiency settings(FanEffRef), |
1 |
FR_MD_02 |
Depends on damper position (DamperLevelRef). |
2 |
- Default value
1
0x08 - ThermostateModeState¶
Enable/disable thermostat mode.
Parameter name |
Description |
Value |
|---|---|---|
ON_1 |
Enabled. |
1 |
OFF_2 |
Disabled. |
2 |
- Default value
2
0x09 - ThermostatModeFanEffRef¶
Fan efficiency setting for thermostat mode.
Parameter name |
Description |
Min |
Max |
|---|---|---|---|
FAN_EFF_EC |
Fan efficiency. |
0 |
100 |
0x0A - TLeadSensorSelectSupply¶
Leading sensor select.
Parameter name |
Description |
Value |
|---|---|---|
TLST_ZONE |
Zone sensor. |
0 |
TLST_T3 |
Read only. |
2 |
0x0B - T3LeadSensorOffset¶
Leading sensor offset.
Parameter name |
Description |
Min |
Max |
Step |
Multiplier |
|---|---|---|---|---|---|
LEAD_SENSOR_TEMP_OFFSET |
Temperature sensor offset. |
-100 |
100 |
5 |
0.1 |
0x0C - FilterMaxWorkTime¶
Fan efficiency setting for thermostat mode.
Parameter name |
Description |
Min |
Max |
Step |
|---|---|---|---|---|
FILTER_MAX_TIME |
Filter max work time |
100 |
4000 |
100 |
- Default value
4000
0x0D - ExternalInputTH1FanRef¶
Fan efficiency setting for EXT TH1
Parameter name |
Description |
Min |
Max |
|---|---|---|---|
FAN_EFF_EC |
Fan efficiency. |
0 |
100 |
- Default value
100
0x0E - ExternalInputTH2FanRef¶
Fan efficiency setting for EXT TH2
Parameter name |
Description |
Min |
Max |
|---|---|---|---|
FAN_EFF_EC |
Fan efficiency. |
0 |
100 |
- Default value
100
0x0F - ExternalInputTH1DamperLevelRef¶
Damper position for EXT TH1
Parameter name |
Description |
Min |
Max |
Step |
|---|---|---|---|---|
DAMPER_LVL_REF |
Damper position |
0 |
100 |
5 |
- Default value
100
0x10 - ExternalInputTH2DamperLevelRef¶
Damper position for EXT TH2
Parameter name |
Description |
Min |
Max |
Step |
|---|---|---|---|---|
DAMPER_LVL_REF |
Damper position |
0 |
100 |
5 |
- Default value
100
Input Registers¶
0x01 - software_type¶
Information about hardware type and it’s version.
Table below shows software_type for this specific device. Different devices are listed in software type table.
Parameter name |
Description |
Value |
|---|---|---|
KM |
KM |
769 |
0x02 - connection_count¶
Connection count. Increased each time register is read. First query always returns value 0x01. If register value equals 0xFFFF before the query, next one will be equal to 0x00. Monitoring this register enables system diagnostics (e.g. if the program was not deployed second time after voltage shortage).
Parameter name |
Description |
Min |
Max |
|---|---|---|---|
CONNECTION_COUNT |
Connection Count |
0 |
65535 |
0x03 - soft_ver¶
Software version.
Check out our guide on how to extract information from masked register.
Parameter name |
Description |
Shift |
Mask |
Value |
|---|---|---|---|---|
TAG |
TAG |
0 |
15 |
major_minor |
MINOR |
MINOR |
4 |
240 |
major_minor |
MAJOR |
MAJOR |
8 |
3840 |
major_minor |
major_minor
Parameter name |
Description |
Value |
|---|---|---|
MAJOR_MINOR |
MAJOR MINOR |
0x04 - T1¶
Temperature measured by T1 sensor (fresh air temperature).
Parameter name |
Description |
Min |
Max |
Value |
Step |
Multiplier |
|---|---|---|---|---|---|---|
TEMPERATURE |
Temperature. |
-1500 |
2000 |
5 |
0.1 |
|
SHORT_CIRCUIT |
Short circuit. |
28672 |
||||
PT1000_NC |
Sensor not connected. |
32767 |
0x05 - T3¶
Temperature measured by T3 sensor (air after water heat exchanger).
Parameter name |
Description |
Min |
Max |
Value |
Step |
Multiplier |
|---|---|---|---|---|---|---|
TEMPERATURE |
Temperature. |
-1500 |
2000 |
5 |
0.1 |
|
SHORT_CIRCUIT |
Short circuit. |
28672 |
||||
PT1000_NC |
Sensor not connected. |
32767 |
0x06 - T4¶
Temperature measured by T4 sensor (air before water heat exchanger).
Parameter name |
Description |
Min |
Max |
Value |
Step |
Multiplier |
|---|---|---|---|---|---|---|
TEMPERATURE |
Temperature. |
-1500 |
2000 |
5 |
0.1 |
|
SHORT_CIRCUIT |
Short circuit. |
28672 |
||||
PT1000_NC |
Sensor not connected. |
32767 |
0x07 - T5¶
Temperature measured by T5 sensor (water exchanger temperature).
Parameter name |
Description |
Min |
Max |
Value |
Step |
Multiplier |
|---|---|---|---|---|---|---|
TEMPERATURE |
Temperature. |
-1500 |
2000 |
5 |
0.1 |
|
SHORT_CIRCUIT |
Short circuit. |
28672 |
||||
PT1000_NC |
Sensor not connected. |
32767 |
0x08 - ExternalGasDetectorTH1¶
External gas detector signal - first threshold.
Parameter name |
Description |
Value |
|---|---|---|
OFF_0 |
Disabled. |
0 |
ON_1 |
Enabled. |
1 |
0x09 - ExternalGasDetectorTH2¶
External gas detector signal - second threshold.
Parameter name |
Description |
Value |
|---|---|---|
OFF_0 |
Disabled. |
0 |
ON_1 |
Enabled. |
1 |
0x0A - ExternalGadDetectorVal¶
Gas concentration value 0-10V DC input.
Parameter name |
Description |
Min |
Max |
Multiplier |
|---|---|---|---|---|
EXT_GD_VAL |
Input value. |
0 |
100 |
0.1 |
0x0B - FanRoofTK¶
TK signal from fan roof.
Parameter name |
Description |
Value |
|---|---|---|
OFF_1 |
Disabled. |
1 |
ON_2 |
Enabled. |
2 |
0x0D - FanUvoEff¶
Roof fan efficiency
Parameter name |
Description |
Min |
Max |
|---|---|---|---|
FAN_EFF_EC |
Fan efficiency. |
0 |
100 |
0x0E - DamperLevel¶
Damper position.
Parameter name |
Description |
Min |
Max |
Step |
|---|---|---|---|---|
DAMPER_LVL_REF |
Damper position |
0 |
100 |
5 |
0x0F - DamperForceState¶
Forcing state for damper in mode DamperForceMode == DAMPER_FMD_ON.
Parameter name |
Description |
Value |
|---|---|---|
NOT_SET |
Not set. |
0 |
OFF_1 |
Disabled. |
1 |
ON_2 |
Enabled. |
2 |
0x10 - AntiFreezeState¶
Information about antifreeze (8 bits for respected mode).
Check out our guide on how to extract information from masked register.
Parameter name |
Description |
Shift |
Mask |
Value |
|---|---|---|---|---|
AF_WH |
Antifreeze warehouse status |
0 |
15 |
ns_off_on |
AF_WE |
Antifreeze water exchanger status |
8 |
3840 |
ns_off_on |
ns_off_on
Parameter name |
Description |
Value |
|---|---|---|
NOT_SET |
Not set. |
0 |
OFF_1 |
Disabled. |
1 |
ON_2 |
Enabled. |
2 |
0x11 - FilterWorkTime¶
Filter work time.
Parameter name |
Description |
Min |
Max |
Multiplier |
|---|---|---|---|---|
WORK_TIME |
Time [min]. |
0 |
65535 |
5.0 |
0x12 - FilterPressureSwitchState¶
Filter pressure state.
Parameter name |
Description |
Value |
|---|---|---|
NOT_SET |
Not set. |
0 |
CONNECTED_GC |
Connected - good condition. |
1 |
CONNECTED_BC |
Connected - bad condition. |
2 |
0x13 - FanEcConnect¶
EC Fan connection status.
Parameter name |
Description |
Value |
|---|---|---|
NOT_CONNECTED_1 |
Not connected. |
1 |
CONNECTED_2 |
Connected. |
2 |
0x14 - FuseStateKM¶
Fuse state for EC/3V/Roof fans, information can be read from 4 bits.
Check out our guide on how to extract information from masked register.
Parameter name |
Description |
Shift |
Mask |
Value |
|---|---|---|---|---|
FAN_ROOF |
Fan roof fuse state |
0 |
15 |
fuse_condition |
FAN_EC |
Fan EC fuse state |
4 |
240 |
fuse_condition |
FAN_3V |
Fan 3V fuse state |
8 |
3840 |
fuse_condition |
fuse_condition
Parameter name |
Description |
Value |
|---|---|---|
NOT_SET |
Not set. |
0 |
FUSE_OK |
Fan fuse is OK |
1 |
FUSE_BLOWN |
Fan fuse is BLOWN. |
2 |
0x15 - ValveState¶
Valve state.
Parameter name |
Description |
Value |
|---|---|---|
IDLE |
IDLE state. |
0 |
ON_1 |
Enabled. |
1 |
OFF_2 |
Disabled. |
2 |