ONOKOM AIR TCL-1-MB-B

Use cases

• Monitor indoor and outdoor temperatures of TCL air conditioners on a live cloud dashboard for your customer.
• Create an alert when the AC unit reports an error code or loses connection to the gateway.
• Adjust target temperature and operating mode remotely without visiting the site.
• Track fan speed and heat exchanger temperatures to verify correct operation after installation.
• Switch between Eco, Turbo, Sleep, and Quiet modes based on time schedules or occupancy patterns.
• Log historical temperature data to support energy audits and comfort optimization.

Installation

1. 1Wire the ONOKOM TCL-1-MB-B gateway to the TCL air conditioner according to the ONOKOM installation manual and verify the AC connected status LED.
2. 2Connect the RS-485 A and B terminals of the TCL-1-MB-B to the RS-485 port on your ModbusCloud gateway (MCG or MLP series), observing correct polarity.
3. 3Set the Modbus slave address on the TCL-1-MB-B gateway and note it for configuration in the ModbusCloud platform.
4. 4Confirm the baud rate is set to 9600 on both the TCL-1-MB-B and the ModbusCloud gateway.
5. 5Import the ONOKOM AIR TCL-1-MB-B template in the ModbusCloud portal, enter the correct slave address, and verify that readings appear on your dashboard.

Things to watch for

Registers (28)

22 read / 19 write

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ON

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Controls Hisense air conditioners via the ONOKOM HS-3-MB-B Modbus gateway.

20 registers11

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