AMSAMOTION 1P-485-4P RS485 Hub

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Expand and isolate RS485 networks with the AMSAMOTION 1P-485-4P—ideal for industrial automation and long-distance communication.

The AMSAMOTION 1P-485-4P is an industrial-grade RS485 hub that converts a single RS485 input into four fully isolated slave ports. Designed for robust and interference-free communication, it’s ideal for expanding Modbus or RS485-based systems in automation, building control, and industrial monitoring.

How to Use

  1. Power Connection: Connect the included power adapter to the device.
  2. Input Connection: Connect your master RS485 line to the input terminal.
  3. Output Connections: Connect up to four slave devices to the isolated output ports.
  4. DIN Rail Mounting: Mount the unit securely on a DIN rail using the built-in clip.
  5. LED Indicators: Monitor communication and power status via the front-panel LEDs.

Tips:

  • Ensure proper termination resistors are used at the end of each RS485 line.
  • Avoid ground loops by utilizing the isolation features.
  • Consult the user manual for detailed wiring diagrams and specifications.

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Frequently Asked Questions (FAQ)

  1. What is the AMSAMOTION 1P-485-4P used for?
    It expands a single RS485 line into four isolated outputs, allowing multiple devices to communicate without interference.
  2. Is the device compatible with Modbus RTU?
    Yes, it supports Modbus RTU and other RS485-based protocols.
  3. Does it provide electrical isolation?
    Yes, each output port is electrically isolated to prevent ground loops and signal interference.
  4. What is the maximum communication distance?
    Up to 1,200 meters, depending on cable quality and environmental factors.
  5. Can it be mounted on a DIN rail?
    Yes, it features a DIN rail mounting clip for easy installation.
  6. What power supply is required?
    It operates on a standard 24V DC power supply.
  7. Are termination resistors needed?
    Yes, proper termination is recommended at the end of each RS485 line.
  8. Is it suitable for outdoor use?
    It is designed for industrial environments but should be protected from direct exposure to harsh weather conditions.
  9. Can it be used with RS232 devices?
    No, it is specifically designed for RS485 communication.
  10. Where can I find the user manual?
    The user manual is available on the AMSAMOTION website or through authorized distributors.

User Review Summary

Users appreciate the AMSAMOTION 1P-485-4P for its reliable performance in expanding RS485 networks. The isolation feature is particularly valued for preventing communication issues in complex setups. Some users note the importance of proper wiring and termination to achieve optimal performance.

Comparison with Competing Products

  • AMSAMOTION 1P-485-4P: 4 isolated RS485 outputs, DIN rail mount, industrial-grade design.
  • Moxa TCC-80I: 2-port RS232 to RS422/485 converter, compact size, suitable for protocol conversion.
  • Advantech BB-485OPDR-HS: RS485 repeater with isolation, supports high-speed communication, DIN rail mount.

Technical Specifications

  • Input: 1 RS485 port
  • Outputs: 4 isolated RS485 ports
  • Isolation Voltage: 2,500V RMS
  • Baud Rate: Up to 115.2 kbps
  • Power Supply: 24V DC
  • Mounting: DIN rail
  • Operating Temperature: -40°C to 85°C

Brand or Manufacturer Info

AMSAMOTION specializes in industrial automation products, offering a range of communication modules, PLCs, and accessories. Known for quality and reliability, their products are widely used in various industrial applications.

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