1.Introduction
The CMCU-05A is an industrial-grade single-channel RS485 thin-film pressure display launched by RunesKee Technology. Compact, stable, and reliable, it can collect data from thin-film pressure sensors, display pressure values, and supports switching between three pressure units: grams (g), kilograms (kg), and Newtons (N). It also supports communication with devices via USB interface and TTL serial port.
Features include:
- USB power supply/charging range: 5V;
- Operating environment: -40℃ to 85℃;
- Communication interfaces: USB serial port, TTL serial port;
- Low power consumption: below 0.1W;
- Communication format: baud rate 9600 (adjustable), 8 data bits, 1 stop bit, no parity;
- Communication protocol: MODBUS-RTU protocol, supported function codes: 03, 06, 16 (0x10);
- Resolution: 1/65536
- Address range: 1-247, default is 1;
- Configurable parameters: calibration, average filtering, baud rate, communication address, pressure value, etc.
For a quick start guide after receiving the device, refer to the "Thin-Film Pressure Transmitter - Quick Start Tutorial."
Note: The screen version includes a display screen on top of the non-screen version, but the manual parameters and software usage remain the same.
2.Hardware Specifications
2.1.Hardware Resource Introduction
2.2.Hardware Dimensions
3.Usage Methods
3.1.Method 1: Power on and use directly
3.2.Method 2: Connect to a computer for use
3.3.Method 3: Use with a wireless transparent transmission kit for wireless communication
Wireless communication connection is as shown below:
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