[Specifications]：2AI
[Communication Interface]：RS485
[Operating Voltage]：DC 8～28V
[Mounting Method]：DIN Rail + Positioning Hole
[Size]：53.8*30*110mm
[Product Weight]：72.5±2g
[Introduction]：The MA01-XHXX differential analog input series is a high-precision differential analog input module based on the MODBUS RTU protocol, designed specifically for industrial automation, process control, and data acquisition systems. This series utilizes advanced differential signal input technology, effectively suppressing common-mode noise and significantly improving signal measurement accuracy and system reliability in complex electromagnetic environments. The product is coated with a conformal coating, providing protection against mold, moisture, and salt spray.
Official Store| category | name | parameter |
| power supply | Operating voltage | DC 8～28V |
| Operating current | ≤150mA @12V | |
| Power indicator | Green LED indicator | |
| serial port | Communication interface | RS485 |
| baud rate | 1200bps～115200 bps (default 9600 bps) | |
| Data bits | 8 (fixed) | |
| Check bit | No parity, odd parity, even parity (default is no parity) | |
| Stop bit | 1 (fixed) | |
| Communication Protocol | MODBUS RTU protocol | |
| Device address | 0~247 (default address 1, 0 is the broadcast address) | |
| indicator lights | The red LED remains lit after power-on; during communication, it flashes with a 60ms cycle. | |
| AI input | AI approach | Routes 1/2/4/6/8/10/12 |
| Input type | Differential input | |
| Voltage measurement range | 0-5V / 0-10V | |
| Current measurement range | 0-20mA / 4-20mA | |
| Measurement accuracy | 3‰ | |
| resolution | 16-bit | |
| sampling frequency | 40Hz | |
| Input impedance | 260Ω | |
| Filter parameters | 1 to 16 (default 6) | |
| other | Product Dimensions | 1/2 lanes: 53.8*30*110.0 mm 4/6-way: 90.0*40*116.5 mm Routes 8/10/12: 116.5*40*90.0 mm |
| Product weight | 1/2 route: 72.5±2g 4/6 route: 118.5±2g Routes 8/10/12: 162.0±2g | |
| Operating temperature and humidity | -40 to +85℃, 5% to 95%RH (non-condensing) | |
| Storage temperature and humidity | -60 to +125°C, 5% to 95%RH (non-condensing) | |
| Installation method | Guide rail and positioning hole installation |