Waveshare Industrial-grade Isolated 8-ch RS485 Hub, Rail-mount Support, Wide Baud Rate Range

(1 customer review)

Out of stock

Approx Restocking Date: 30th June, 2024
SKU: 1552782
  1. Cost effective
  2. Physical Interface: RS485 Screw Terminal
  3. Baudrate: 300~460800bps (self-adaptive)
  4. Supported Nodes: Each RS485 port supports up to 32 nodes
  5. Communication Distance :1200m (9600bps), the higher rate the shorter distance


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Category: USB Interface Module
Tags: Waveshare Industrial-grade Isolated 8-ch RS485 Hub, Rail-mount Support, Wide Baud Rate Range

Presenting you Waveshare Industrial-grade Isolated 8-ch RS485 Hub, Rail-mount Support, Wide Baud Rate Range. A RS485-HUB-8P is an industrial grade isolated RS485 hub that can expand 8-ch RS485 slave ports through 1-ch RS485 master port, can realize relay, extension and isolation functions of RS485 network, with screw terminal for power input. Rail-mount case design, easy to install, and cost-effective. It is suitable for applications like data acquisition, IoT gateway, safety & security IoT, and intelligent instrument monitoring., etc. It’s compliant with RS485 Standard.


  • Isolated 8-Ch RS485 Hub: Extends 8-ch RS485 slave ports via 1-ch RS485 master port, with isolation and relay
  • Cost effective
  • Supports 35mm Standard Guide Rail, With Rail-Mount Buckle, Easy To Install.
  • Good quality product
  • TRANSMISSION MEDIUM: Normal parallel cables/twisted-pair cables
  • Supports RS485 Network Relay, Extension And Isolation Functions
  • The Isolated RS485 Master Port can be connected to the RS485 Host Device, and the Extended 8-Ch Isolated RS485 Port can be connected to various RS485 Slave Devices, Such As RS485 Sensors, Etc.
  • Built-in photoelectric isolation protection circuit can effectively isolate RS485 master and slave devices to avoid the damage of ground potential difference between devices, anti-electrostatic, lightningproof & anti-surge, which is suitable for the industrial environment with high reliability and safety requirements.
  • Supports 300~460800bps Wide Baud Rate Communication Range (Self-Adaptive)
  • Generally the RS485 requires a hand-in-hand connection, if a star connection (master station as the center) is required, this RS485 hub can effectively isolate the connection interference between multiple RS485.

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Package Includes:

1 x (Waveshare Industrial-grade Isolated 8-ch RS485 Hub, Rail-mount Support, Wide Baud rate Range)

Length (mm):


Width (mm):


Height (mm):


Weight (g):


Physical Interface

RS485 Screw Terminal


300~460800bps (self-adaptive)

Supported Nodes

Each RS485 port supports up to 32 nodes

Communication Distance

1200m (9600bps), the higher rate the shorter distance

Operating Method

RS485 two-wire (A, B), half-duplex transparent transmission

Power Supply

DC 9~24V

Operating Temperature

-45 ~ +85℃

Environment Humidity


Transmission Medium

Normal parallel cables/twisted-pair cables


Compliant with RS485 standard

Shipping Weight 0.165 kg
Shipping Dimensions 16 × 11 × 5 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 1 review

3.0 overall

Add a review

  1. systellar (verified owner)

    I bought this hub believing that all ports are galvanically isolated. I found that while the input port and the 8 output ports are isolated, the 8 output ports are not galvanically isolated form each other. They share a common power supply.
    So all 8 devices connected at the output must have their ground potential within say +/- 2V from each other. Otherwise the RS485 communication fails.
    Otherwise it works OK


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Country Of Origin: China