Ethernet Modbus TCP Multifunction I/O Unit – 2DI, 4AI, 2AO YA-1812

Yotta Control A-1812 Ethernet Modbus TCP Multifunction I/O Unit is a compact industrial remote I/O module designed for reliable data acquisition and control. It features 2 digital inputs, 4 analogue inputs (including current and RTD temperature inputs), and 2 analogue outputs, making it ideal for monitoring and controlling industrial processes.

Supporting Modbus TCP over Ethernet and USB configuration, the A-1812 integrates easily with PLCs, SCADA, and Building Management Systems (BMS). Optical isolation, high-resolution analogue conversion, and DIN rail mounting ensure dependable performance in demanding industrial environments.

Key Features

• 2 Digital Inputs (Opto-Isolated)
• 4 Analogue Inputs (2 × Current + 2 × PT100/PT1000)
• 2 Analogue Outputs (0–20 mA / 4–20 mA)
• Ethernet Modbus TCP communication
• USB port for configuration and Modbus communication
• 16-bit analogue input resolution
• 12-bit analogue output resolution
• High-accuracy analogue measurements (±0.1%)
• Configurable output state on power-up or communication failure
• DIN rail or panel mounting

Specifications

• Model: A-1812
• Digital Inputs: 2 (Opto-Isolated)
• Analogue Inputs:
  • 2 × 0–20 mA / 4–20 mA
  • 2 × PT100 / PT1000 RTD
• Analogue Outputs: 2 × 0–20 mA / 4–20 mA
• Analogue Input Resolution: 16-bit
• Analogue Output Resolution: 12-bit
• Input Accuracy: ±0.1%
• Sampling Rate: 10 samples/second (total)
• Temperature Range: -200°C to +600°C (PT100/PT1000)
• Communication Interface: Ethernet + USB
• Protocol: Modbus TCP
• Power Supply: 10–30 VDC or 24 VAC
• Operating Temperature: -20°C to +75°C