ONOKOM AIR HS-3-MB-B

Use cases

• Monitor indoor and outdoor temperatures of Hisense AC units on a live cloud dashboard for your customer.
• Create alerts when indoor humidity or compressor power exceeds predefined thresholds.
• Remotely adjust target temperature and operating mode for Hisense air conditioners across multiple sites.
• Log heat exchanger temperatures over time to detect efficiency degradation and schedule maintenance.
• Switch between eco, sleep, and quiet modes based on time schedules or occupancy data.
• Track compressor power consumption to verify energy performance against design specifications.

Installation

1. 1Wire the ONOKOM HS-3-MB-B gateway to the Hisense indoor unit following the manufacturer's wiring diagram.
2. 2Connect the RS-485 (A/B) terminals of the ONOKOM gateway to the RS-485 port on the ModbusCloud gateway (MCG or MLP series).
3. 3Set the Modbus slave address on the ONOKOM gateway and ensure the baud rate is configured to 9600.
4. 4Import the ONOKOM AIR HS-3-MB-B template in the ModbusCloud platform and assign it to the correct gateway and slave address.
5. 5Verify communication by checking that indoor temperature and humidity readings appear on the ModbusCloud dashboard.

Things to watch for

Registers (20)

14 read / 12 write

More Onokom templates

ONOKOM AIR MD-3-MB-B

Onokom

Modbus RTU

Controls Midea air conditioners via the ONOKOM MD-3-MB-B Modbus gateway.

15 registers3

ONOKOM AIR MH-2-MB-B

Onokom

Modbus RTU

Controls Mitsubishi Heavy air conditioners via the ONOKOM MH-2-MB-B Modbus gateway.

11 registers2

ONOKOM AIR GR-1-MB-B

Onokom

Modbus RTU

Controls Gree air conditioners via the ONOKOM GR-1-MB-B Modbus gateway.

18 registers2

ONOKOM AIR HR-1-MB-B

Onokom

Modbus RTU

Controls Haier air conditioners via the ONOKOM HR-1-MB-B Modbus gateway.

17 registers2

ONOKOM AIR TCL-6-MB-B

Onokom

Modbus RTU

Controls TCL air conditioners via the ONOKOM TCL-6-MB-B Modbus gateway.

14 registers1

ON

ONOKOM AIR MD-VRF-MB-B

Onokom

Modbus RTU

Controls Midea air conditioners via the ONOKOM MD-VRF-MB-B gateway

0 registers2

More RTU templates

Alnor HRU

Alnor Systemy Wentylacji Sp. z o. o.

Modbus RTUCertified

Controls and monitors Alnor heat recovery ventilation units via Modbus RTU.

29 registers13

Heidelberg Wallbox Energy Control

AMPERFIED GmbH

Modbus RTUCertified

Controls and monitors Heidelberg Wallbox Energy Control EV charger via Modbus RTU.

22 registers67

connecdoor.controller

connecdoor

Modbus RTUCertified

Controls and monitors smart door access points via RS485

0 registers53

Wattsonic - Schmachtl Sun Energy Box

Wattsonic

Modbus RTUCertified

Monitors Schmachtl Wattsonic hybrid inverter via Modbus RTU

92 registers72

Alnor HRU-P

Alnor Systemy Wentylacji Sp. z o. o.

Modbus RTUCertified

Controls Alnor HRU-P heat recovery ventilation units via Modbus RTU.

49 registers7

E+E Elektronik EE600 - Differential Pressure Sensor

E+E Elektronik

Modbus RTU

Measures differential air pressure for HVAC and filter monitoring applications.

1 registers21