Remote Module (RS-485),8AI,4DI YA-1019

YA-1019 RS-485 Modbus Remote I/O Module is a flexible and reliable industrial data acquisition unit designed for expanding input channels in automation systems.

It supports both Modbus RTU and Modbus ASCII protocols, enabling easy integration with ATC controllers as well as third-party PLCs, SCADA systems, and industrial PCs.

With 8 high-resolution analog inputs (16-bit) and 4 optically isolated digital inputs, the module is ideal for monitoring sensors such as current loops, thermocouples, RTDs, and thermistors in industrial environments.

Built with 5000V isolation protection, wide temperature tolerance, and robust communication capabilities, the YA-1019 ensures stable and accurate operation even in harsh electrical conditions.

Key Features

• RS-485 Modbus RTU / ASCII communication
• 8 × Analog Inputs (16-bit high resolution)
• 4 × Isolated Digital Inputs
• Supports 0/4–20mA, thermocouples, RTD, thermistors
• High input accuracy: ±0.1%
• Channel-independent configuration
• USB + RS-485 communication interface
• Wide baud rate: 2400–921600 bps
• 5000V DC isolation protection
• LED status indicators for monitoring
• DIN rail / flush mounting design

Technical Specifications

• Model: YA-1019
• Digital Inputs: 4 × isolated DI
  • Low level: <1VDC
  • High level: 5–30VDC
• Analog Inputs: 8 × 16-bit
• Input Types:
  • 0/4–20mA current loop
  • Thermocouples (J, K, T, E, R, S, B)
  • PT100 / PT1000
  • Thermistors (multiple types supported)
• Input Impedance: 100Ω (current), 10MΩ (voltage)
• Accuracy: ±0.1%
• Communication: RS-485 + USB
• Protocols: Modbus RTU / Modbus ASCII
• Baud Rate: 2400–921600 bps
• Sampling Rate: 10 samples/second (total)
• Isolation Voltage: 5000V DC
• Operating Temperature: -20°C to +75°C
• Protection Rating: IP20
• Power Supply: 10–30VDC / 24VAC