YA-1058 RS485 Modbus IO Unit is a robust industrial output expansion module designed for automation and control applications requiring multiple digital outputs over a communication bus.
It features 12 open-collector NPN transistor outputs, providing efficient sinking output control for driving relays, indicators, and low-power industrial loads. The module communicates via RS485 using Modbus RTU or Modbus ASCII protocols, ensuring compatibility with PLC systems, SCADA platforms, and other industrial controllers.
Key Features
- 12 × Open-collector NPN transistor outputs
- RS485 Modbus RTU / Modbus ASCII communication
- Sinking output type for flexible control applications
- Output rating: 8–60VDC @ 1.75A per channel
- LED status indication for each output
- Configurable fail-safe output states (power-up & comms fail)
- High-speed operation up to 10Hz
- 5000V DC optical isolation
- Industrial surge, EFT & ESD protection
- DIN rail / panel mounting support
- Compact industrial design
Technical Specifications
- Model: A-1058
- Outputs: 12 × open-collector NPN transistor outputs
- Output Type: Sinking (open collector)
- Output Rating: 8–60VDC @ 1.75A
- Communication Interface: RS485
- Protocols: Modbus RTU / Modbus ASCII
- Baud Rate: 1200–115200 bps
- Isolation Voltage: 5000V DC
- Operating Frequency: 10Hz
- Power Supply: 10–30VDC / 24VAC
- Operating Temperature: -20°C to +75°C
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