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List of Modbus Registers


The table below shows all registers available for the room panel.


Modbus Address

Decimal Address

Hex Address

Register Name

Access

Description

40001

0

0x00

VERSION_TYPE

Read/write

First byte indicates a version, and another one indicates a type of a device. Allows to enable 1 of 4 device actions.

30004

3

0x03

RECEIVED__FRAMES

COUNTER (32–bits)

Read-only

The default state is 0. Reset at the unit start and change of transmission parameters.

30006

5

0x05

ERROR_FRAMES

COUNTER (32–bits)

Read-only

The default state is 0. Reset at the unit start and change of transmission parameters.

30008

7

0x07

TRANSMITTED_FRAME

COUNTER _(32–bits)

Read-only

The default state is 0. Reset at the unit start and change of transmission parameters.

30012

12

0x0C

LIVE_TIME

(32–bits)

Read-only

Device uptime in sec

40015

14

0x0E

BACNET_DEVICE_ID

(32–bits)

Read/write

Memory

Default 0xFFFFFFFF

40017

16

0x10

BAUD_RATE

Read/write

Memory

Transmission speed is defined by the user, calculated using the formula:


The default value is 11520 (115200 bps).

40018

17

0x11

STOP_BITS

Read/write

Memory

Supported values are 1 and 2.

The default value is 1.

40020

19

0x13

PARITY_BIT

Read/write

Memory

The default value is 0 (no parity).

Allowed values:

Value

Description

0 (default)

None

1

Odd

2

Even

40021

20

0x14

REPLAY_DELAY

Read/write

Memory

Delay in ms before sending response.

The default value is 0.

40023

22

0x16

ADDRESS

Read/write

Memory

Modbus address of the device.

The default value is 1.

40024

23

0x17

PROTOCOL

Read/write

Memory

0: Modbus RTU (default)

1: Modbus ASCII

2: BACnet MS/TP

40028

27

0x1B

PANEL_PASSWORD

Read/write

Memory

Password for Menu Edit Mode. The default is 1000.

30029

28

0x1C

SENSORS

Read-only

BIT0: humidity sensor

BIT1: CO2 sensor

BIT2: NTC sensor

30201

200

0xC8

BACKGROUND_ILLUMINATION

LCD_CURRENT_VALUE

Read-only

Actual display illumination value

30202

201

0xC9

BACKGROUND_ILLUMINATION

KEY_PAD_CURRENT_VALUE

Read-only

Actual keypad illumination value

40203

202

0xCA

HOURS

Read/write

Hours part in time display

40204

203

0xCB

MINUTES

Read/write

Minutes part in time display

40205

204

0xCC

DEVICE_CONFIGURATION

Read/write

Memory

Bit

Name

0

1

0

Beeper

Not active

Active(def)

1

Format

24h(def)

12h

3

Illumination

LCD

Not active

Active(def)

4

Illumination

Keypad

Not active(def)

Active

5

CO2Alarm

LCD

Not active

Active

6

CO2Alarm

Buzzer

Not active

Active

7

CO2Alarm

HIGH

Not active

Active

10

SubmenuIconDisplayOFF

Not active

Active

11

Panel OFF

Panel ON(def)

Panel OFF

12

Keypad OFF

Key Pad ON(def)

Key Pad OFF

13

Flashing LCD

Not active(def)

Active

14

Flashing Keypad

Not active(def)

Active

40207

206

0xCE

BACKGROUND_ILLUMINATION

LCD_FOR_ACTIVE_MODE

Read/write

Memory

Default 60%

40208

207

0xCF

BACKGROUND_ILLUMINATION

LCD_FOR_IDLE_MODE

Read/write

Memory

Default 40%

40209

208

0xD0

BACKGROUND_ILLUMINATION

LCD_FOR_STANDBY_MODE

Read/write

Memory

Default 0%

40210

209

0xD1

BACKGROUND_ILLUMINATION

LCD_TIME_TO_IDLE

Read/write

Memory

Default 10 sec

40211

210

0xD2

BACKGROUND_ILLUMINATION

LCD_TIME_TO_STANDBY

Read/write

Memory

Default 5 sec

40212

211

0xD3

BACKGROUND_ILLUMINATION

KEY_PAD_ACTIVE_MODE

Read/write

Memory

Default 10%

40213

212

0xD4

BACKGROUND_ILLUMINATION

KEY_PAD_IDLE_MODE

Read/write

Memory

Default 40%

40214

213

0xD5

BACKGROUND_ILLUMINATION

KEY_PAD_STANDBY_MODE

Read/write

Memory

Default 60%

40215

214

0xD6

BACKGROUND_ILLUMINATION_KEY

PAD_TIME_TO_IDLE

Read/write

Memory

Default 10 sec

40216

215

0xD7

BACKGROUND_ILLUMINATION

KEY_PAD_TIME_TO_STANDBY

Read/write

Memory

Default 5 sec

40217

216

0xD8

REFRESH_TIME

Read/write

Memory

Default 2 sec

40218

217

0xD9

TIME_CONFIGURATION

Read/write

Memory

Bit 0: 1 clock is visible (default)

Bit 0: 0 clock is not visible

40219

218

0xDA

LCD_ICON_DISPLAY

Read/write

Memory

Each bit of the register shows or hides assigned icon, as in the table below:

Bit

Icon Name

Icon

0

Sun


1

Moon


2

Heating


3

Cooling


4

Humidfire


5

Dehumidfire


6

Wireless


7

Settings


8

Eco


9

Recirculation


10

PC


40220

219

0xDB

LCD_ICON_DISPLAY

Read/write

Memory

Each bit of the register starts flashing of the assigned Icon.

See table in LCD ICON DISPLAY register description.

40221

220

0xDC

LCD_ICON_FLASHING_TIME

Read/write

Memory

The time value, which is the base for calculating frequency of icon flashing. Icons are visible for 100% of the time value stored in the register, and hidden for 20% of that time. Default time: 500ms.

40222

221

0xDD

SUBMENU_ICON_FLASHING_TIME

Read/write

Memory

The time value, which is the base for calculating frequency of icon flashing. Icons are visible for 100% of the time value stored in the register, and hidden for 20% of that time. Default time 1000ms.

40223

222

0xDE

ENTER_MENU_TIME

Read/write

Memory

Default 2 sec

40224

223

0xDF

EXIT_EDIT_TIME

Read/write

Memory

Default 5 sec

40225

224

0xE0

EXIT_MENU_TIME

Read/write

Memory

Default 10 sec

40226

225

0xE1

CO2_SETPOINT_FOR_ALARM

Read/write

Memory

CO2 alarm setpoint. By default 1500 ppm.

40227

226

0xE2

CO2_HYSTERESIS_FOR_ALARM

Read/write

Memory

CO2 alarm hysteresis. By default 100 ppm.

30230

229

0xE5

ALARM_STATUS

Read-only

CO2 current alarm status

30301

300

0x12C

TEMPERATURE_SENSOR

Read-only

Actual temperature sensor value with offset.

30302

301

0x12D

HUMIDITY_SENSOR

Read-only

Actual humidity sensor value with offset.

30303

302

0x12E

CO2_SENSOR

Read-only

Actual CO2 sensor value with offset.

40304

303

0x12F

TEMPERATURE_SENSOR_OFFSET

Read/write

Memory

Temperature sensor offset. The default is 0.

40305

304

0x130

HUMIDITY_SENSOR_OFFSET

Read/write

Memory

Humidity sensor offset. The default is 0.

40306

305

0x131

CO2_SENSOR_OFFSET

Read/write

Memory

CO2 sensor offset. The default is 0.

40307

306

0x132

TEMPERATURE_FILTER

Read/write

Memory

Default 60 sec

40308

307

0x133

HUMIDITY_FILTER

Read/write

Memory

Default 60 sec

40309

308

0x134

CO2_FILTER

Read/write

Memory

Default 60 sec

40310

309

0x135

TEMPERATURE_NAME

(32–bits)

Read/write

Memory

Displayed temperature sensor name: TEMP.

40312

311

0x137

HUMIDITY_NAME

(32–bits)

Read/write

Memory

Displayed humidity sensor name: HUMI.

40314

313

0x139

CO2_NAME

(32–bits)

Read/write

Memory

Displayed CO2 sensor name: CO2.

40316

315

0x13B

TEMPERATURE_CONFIGURATION

Read/write

Memory

Bit

Name

0

1

0

Active

Not active

Active(def)

4

ThirdPointActive

No decimal

Decimal(def)

40317

316

0x13C

HUMIDITY_CONFIGURATION

Read/write

Memory

Bit

Name

0

1

0

Active

Not active

Active(def)

4

ThirdPointActive

No decimal

Decimal(def)

40318

317

0x13D

CO2_CONFIGURATION

Read/write

Memory

Bit

Name

0

1

0

Active

Not active

Active(def)

41501

1500

0x5DC

SETPOINT_VALUE

Read/write

Actual setpoint value. After reset, the default value is set to the setpoint value.

41502

1501

0x5DD

EFFECTIVE_SETPOINT

Read-only

Sum of Effective Setpoint and Offset value.

41503

1502

0x5DE

DEFAULT_SETPOINT

Read/write

Memory

Default 21oC

41504

1503

0x5DF

OFFSET_SETPOINT

Read/write

Memory

Default 0oC

41505

1504

0x5E0

SETPOINT_LOW_LIMIT

Read/write

Memory

Min. available setpoint value. By default 18oC.

41506

1505

0x5E1

SETPOINT_HIGH_LIMIT

Read/write

Memory

Max. available setpoint value. By default 24oC.

41507

1506

0x5E2

OFFSET_RANGE

Read/write

Memory

Limit offset value. By default 3oC.

41508

1507

0x5E3

SETPOINT_STEP

Read/write

Memory

Setpoint value step. By default 1oC.

41509

1508

0x5E4

OFFSET_NAME

(32–bits)

Read/write

Memory

Displayed offset name: OFFS.

41511

1510

0x5E6

SETPOINT_NAME

(32–bits)

Read/write

Memory

Displayed setpoint name: SETP.

41513

1512

0x5E8

SETPOINT_CONFIGURATION

Read/write

Memory

Bit

Name

0

1

0

Visible

Not visible

Visible(def)

1

Editable

Not Editable

Editable(def)

2

Opperating Mode

Changing Offset

Changing Setpoint(def)

3

Setpoint Display

Show/change Offset

Show/change EffectiveSetpoint

4

ThirdPointActive

Not active

Active(def)

5

FastEditMode

Not active(def)

Active

41601

1600

0x640

FAN_MODE

Read/write

Register value

Fan Mode

Visualization

0

OFF


1

Manual Speed 1 (def)


2

Manual Speed 2


3

Manual Speed 3


4

AUTO


41602

1601

0x641

FAN_CURRENT_SPEED

Read/write

Register value

Fan Mode

Comment

0

OFF(def)

Fan is OFF

1

Manual Speed 1

Fan works in Speed 1

manual mode

2

Manual Speed 2

Fan works in Speed 2

manual mode

3

Manual Speed 3

Fan works in Speed 3

manual mode

4

Auto Speed 1

Fan works in Speed 1

auto mode

5

Auto Speed 2

Fan works in Speed 2

auto mode

6

Auto Speed 3

Fan works in Speed 3

auto mode

41603

1602

0x642

FAN_TYPE

Read/write

Memory

Register value

Fan type

Comment

0

0-10V(def)

Fan is controlled by

analog value 0-10 V DC

1

1- Speed

1-Speed Fan

2

2- Speed

2-Speed Fan

3

3- Speed

3-Speed Fan

41604

1603

0x643

FAN_MODE_0

NAME (32–bits)

Read/write

Memory

Name for FAN MODE = 0. Default = OFF

41606

1605

0x645

FAN_MODE_1

NAME (32–bits)

Read/write

Memory

Name for FAN MODE = 1. Default = AUTO

41608

1607

0x647

FAN_MODE_2

NAME (32–bits)

Read/write

Memory

Name for FAN MODE = 2. Default = _ _ _1

41610

1609

0x649

FAN_MODE_3

NAME (32–bits)

Read/write

Memory

Name for FAN MODE = 3. Default = _ _11

41612

1611

0x64B

FAN_MODE_4

NAME (32–bits)

Read/write

Memory

Name for FAN MODE = 4. Default = _111

41614

1613

0x64D

FAN_CONFIGURATION

Read/write

Memory

Bit

Name

0

1

0

Visible

Not visible

Visible(def)

1

Editable

Not Editable

Editable(def)

2

Part Editable

Fully edtitable(def)

Auto_Off_Mode

5

FastEditMode

Not active(def)

Active

41615

1614

0x64E

FAN_ICON_FLASHING_TIME

Read/write

Memory

The time base for calculating the frequency of the fan icon rotation simulation. By default 500 ms.

41701

1700

0x6A4

OCCUPANCY_MODE

Read/write

Memory

Occupancy mode setting from the room panel:

0: unoccupied

1: occupied

41702

1701

0x6A5

OCCUPANCY_CURRENT_STATUS

Read/write

Occupancy mode setting remotely:


Register

value

Occupancy Mode

0

Unoccupied

1

Occupied

2

Standby

3

Forced occupied

41703

1702

0x6A6

OCCUPANCY_MODE_0

NAME (32–bits)

Read/write

Memory

Name for OCCUPANCY MODE = 0. Default = UNOC

41705

1704

0x6A8

OCCUPANCY_MODE_1

NAME (32–bits)

Read/write

Memory

Name for OCCUPANCY MODE = 1. Default = OCC

41707

1706

0x6AA

OCCUPANCY_CONFIGURATION

Read/writeMemory

Bit

Name

0

1

0

Visible

Not visible

Visible(def)

1

Editable

Not Editable

Editable(def)

5

FastEditMode

Not active(def)

Active

List of Modbus registers available for a room panel