List of Modbus Registers | iC Knowledge Base

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-bit)	Read-only	The default state is 0. Reset at the unit start and change of transmission parameters.
30006	5	0x05	ERROR_FRAMES_COUNTER (32-bit)	Read-only	The default state is 0. Reset at the unit start and change of transmission parameters.
30008	7	0x07	TRANSMITTED_FRAME_COUNTER _(32-bit)	Read-only	The default state is 0. Reset at the unit start and change of transmission parameters.
30012	11	0x0C	LIVE_TIME (32-bit)	Read-only	Device uptime in sec
40015	14	0x0E	BACNET_DEVICE_ID (32-bit)	Read/write Memory	Default 0xFFFFFFFF
40017	16	0x10	BAUD_RATE	Read/write Memory	Transmission speed is defined by the user, calculated using the formula: baud rate = register value 10* 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 the menu edit mode. The default is 1000.
30029	28	0x1C	SENSORS	Read-only	BIT0: humidity sensor BIT1: CO2 sensor BIT2: NTC sensor
30030	29	0x1D	BOOTLOADER_VERSION	Read-only	Bootloader version
30031	30	0x1E	HW_VERSION	Read-only	Hardware version
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	TIME_FORMAT	24 h (def)	12 h
					2	DEFAULT_TEMPERATURE_UNIT	Celsius (def)	Fahrenheit
					3	BACKGROUND_ILLUMINATION_ LCD_ACTIVE	Not active	Active (def)
					4	BACKGROUND_ILLUMINATION_KEY_PAD_ACTIVE	Not active (def)	Active
					5	CO2_IN_ALARM_FLASHING_LCD	Not active	Active
					6	CO2_IN_ALARM_BUZZER	Not active	Active
					7	CO2_IN_ALARM_SHOW_HIGH	Not active	Active
					8	CO2_ALARM_CONFIRM_ENABLE	Not active	Active
					10	SUBMENU_ICON_DISPLAY_OFF	Not active	Active
					11	PANEL_OFF	Panel on (def)	Panel off
					12	KEY_PAD_OFF	Keypad on (def)	Keypad off
					13	LCD_FLASHING	Not active (def)	Active
					14	KEY_PAD_FLASHING	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	Humidifier
					5	Dehumidifier
					6	Wireless
					7	Settings
					8	Eco
					9	Recirculation
					10	PC
40220	219	0xDB	LCD_ICON_FLASHING	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 1000 ms.
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.
40228	227	0xE3	SUBMENU_PROTECTION	Read/write Memory	Password protection from editing of submenus. By default, inactive.
40229	228	0xE4	SUBMENU_ICONS_FLASHING	Read/write Memory	Switching on icons blinking
30230	229	0xE5	ALARM_STATUS	Read/write Memory	CO2 current alarm status
					Bit	Name	0	1
					0	Alarm status	Not active	Active
					1	Alarm confirmed	Not confirmed	Confirmed
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-bit)	Read/write Memory	Displayed temperature sensor name: TEMP.
40312	311	0x137	HUMIDITY_NAME (32-bit)	Read/write Memory	Displayed humidity sensor name: HUMI.
40314	313	0x139	CO2_NAME (32-bit)	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 places	Decimal (def)
40317	316	0x13C	HUMIDITY_CONFIGURATION	Read/write Memory	Bit	Name	0	1
					0	Active	Not active	Active (def)
					4	ThirdPointActive	No decimal places	Decimal (def)
40318	317	0x13D	CO2_CONFIGURATION	Read/write Memory	Bit	Name	0	1
40318	317	0x13D	CO2_CONFIGURATION	Read/write Memory	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 21^oC
41504	1503	0x5DF	OFFSET_SETPOINT	Read/write Memory	Default 0^oC
41505	1504	0x5E0	SETPOINT_LOW_LIMIT	Read/write Memory	Min. available setpoint value. By default 18^oC.
41506	1505	0x5E1	SETPOINT_HIGH_LIMIT	Read/write Memory	Max. available setpoint value. By default 24^oC.
41507	1506	0x5E2	OFFSET_RANGE	Read/write Memory	Limit offset value. By default 3^oC.
41508	1507	0x5E3	SETPOINT_STEP	Read/write Memory	Setpoint value step. By default 1^oC.
41509	1508	0x5E4	OFFSET_NAME (32-bit)	Read/write Memory	Displayed offset name: OFFS.
41511	1510	0x5E6	SETPOINT_NAME (32-bit)	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	Operating mode	Changing offset	Changing setpoint (def)
					3	Setpoint display	Show/change offset	Show/change EffectiveSetpoint
					4	Third point active	Not active	Active (def)
					5	Fast edit mode	Not active (def)	Active
41601	1600	0x640	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
41602	1601	0x641	FAN_MODE	Read/write	Register value		Fan mode
					0		Off
					1		Manual speed 1 (def)
					2		Manual speed 2
					3		Manual speed 3
					4		Auto
41603	1602	0x642	FAN_TYPE	Read/write Memory	Register value	Fan type	Comment
					0	0-10 V (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-bit)	Read/write Memory	Name for FAN MODE = 0. Default = OFF
41606	1605	0x645	FAN_MODE_1_NAME (32-bit)	Read/write Memory	Name for FAN MODE = 1. Default = AUTO
41608	1607	0x647	FAN_MODE_2_NAME (32-bit)	Read/write Memory	Name for FAN MODE = 2. Default = _ _ _1
41610	1609	0x649	FAN_MODE_3_NAME (32-bit)	Read/write Memory	Name for FAN MODE = 3. Default = _ _11
41612	1611	0x64B	FAN_MODE_4_NAME (32-bit)	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	Filly editable (def)	Auto off mode
					5	Fast edit mode	Not active (def)	Active
					6	Local mode	Not active	Active
					6	BMS mode	Active (def)	Not 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_CURRENT_STATUS	Read/write	Occupancy mode setting remotely:
					Register value		Occupancy mode
					0		Unoccupied
					1		Occupied
					2		Standby
					3		Forced occupied
41702	1701	0x6A5	OCCUPANCY_MODE	Read/write Memory	Occupancy mode setting from the room panel: 0: unoccupied 1: occupied
41703	1702	0x6A6	OCCUPANCY_MODE_0_NAME (32-bit)	Read/write Memory	Name for OCCUPANCY MODE = 0. Default = UNOC
41705	1704	0x6A8	OCCUPANCY_MODE_1_NAME (32-bit)	Read/write Memory	Name for OCCUPANCY MODE = 1. Default = OCC
41707	1706	0x6AA	OCCUPANCY_CONFIGURATION	Read/write Memory	Bit	Name	0	1
					0	Visible	Not visible	Visible (def)
					1	Editable	Not editable	Editable (def)
					5	Fast edit mode	Not active (def)	Active
					6	Local mode	Not active	Active
					6	BMS mode	Active (def)	Not active

List of Modbus registers available for a room panel