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OM-ACA-A801
OM-ACA-A801 is a versatile air conditioner thermostat with a MODBUS interface. It features a learning function that allows it to acquire control codes from air conditioner remote controllers, enabling it to replace the remote controller for air conditioner control. This thermostat is equipped with remote control and automatic control functions, providing flexibility based on user preferences. It includes a built-in temperature and humidity sensor, and the LCD display allows for the visualization of temperature and humidity readings. OM-ACA-A801 comes with an RS485 interface supporting the MODBUS-RTU protocol. It can be seamlessly integrated with various configuration software.his allows OM-ACA-A801 to facilitate automatic control for the majority of cabinet or wall-mounted air conditioners compatible with the MODBUS-RTU protocol.
1. With our accompanying software, it can learn from 99.9% of air conditioner remote controllers.
2. Capable of learning 23 sets of key functions.
3. Equipped with a RS485 interface, enabling air conditioner control through the MODBUS-RTU protocol instead of using a remote controller.
4. Batch reading, testing and downloading of learned codes.
5. ModBus communication address and baud rate are configurable.
6. OM-ACA-A801 operates on a wide voltage DC power supply of 10~30V.
7. The communication distance of the RS485 communication line can extend up to 2000 meters.
8. Remote control of air conditioners from a single host.
9. Remote collection of temperature at the location of the air conditioner controller.
10. Remote scheduled switching of air conditioners.
11. Automatic air conditioner switching based on set temperature lower and upper limits.
12. Control failure alarm (optional relay output).
13. Over-temperature and low-temperature alarms (optional relay output).
14. The device is equipped with power-off protection, preserving the configured parameters in case of power loss.
15. Configurable air conditioner power-on self-start function: When the air conditioner controller experiences a power outage and is subsequently restored, it automatically sends the "Custom Channel 20" command.
16. Supports external infrared probes; the infrared emission extension line can reach up to 5 meters.
17. Supports detection of the air conditioner's operational status.
| Power Supply | DC 10~30V |
| Power Consumption | 0.3W |
| Operating Environment | -20℃~+60℃，0%RH~95%RH (non-condensing) |
| Communication Interface | RS485；Standard MODBUS-RTU protocol; Configurable communication baud rates: 2400, 4800, 9600 |
| Infrared Port | Capable of learning from 99% of remote controllers and successfully controlling air conditioners. |
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