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- SKU: 08606
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USR‑HUB401S-DC Industrial Grade RS485 HUB - 4 Master to 1 Slaves - 3kV Optical Isolation
The USR‑HUB401S-DC Industrial Grade RS485 HUB is a robust RS485 communication hub designed to connect 4 master devices to 1 slave device in industrial and automation environments. It provides reliable multi-device RS485 communication while simplifying wiring and network expansion.
Featuring 3kV optical isolation, the hub provides strong electrical isolation between communication interfaces, helping protect connected equipment from ground loops, voltage differences, surges, and electrical interference. Its industrial-grade design makes it suitable for demanding applications where communication stability and equipment protection are essential.
Features
- RS485 Network Repeater: Signal Amplification
- Slave Expansion: Cascading Multi-nodes
- Auto-sensing: Data Flow
- Serial Port Buffering
- Custom Communication Protocols
Specifications
- Product model: USR‑HUB401S-DC
- Interface properties: Compatible with RS232, RS485, TIA/EIA standards
- Electrical interface: Industrial terminal block
- Signal input: RS485 Bus 4
- Signal output: 1-channel RS485
- Installation: RS485 Star Bus Architecture
- GPRS support node: Each RS485 channel supports 128 nodes
- Transmission medium: Twisted pair or shielded cable
- Operate mode: Asynchronous half-duplex (two-way communication)
- Power supply: DC9-40V 500mA
- Signal indication: Three indicator lights: Power (POW), Transmit (TXD), and Receive (RXD).
- Isolation level: Isolation voltage: 2500Vrms, 500V DC insulation, continuous DC/DC mode
- Protection level: ±15KV ESD protection and 600W surge protection per line for lightning strikes
- Applicable Communication: All serial communication software used is plug-and-play.
- Transmission speed: 300bps to 115.2Kbps (adaptive baud rate, protocol-agnostic)
- Transmission distance: 0-3 km (115200bps-300bps)
- Service environment: -20°C to 75°C, relative humidity 5% to 95%
- External dimensions: 100*54*32mm (with back clamp and positioning holes)
Package Includes
- 1x USR‑HUB401S-DC Industrial Grade RS485 HUB - 4 Master to 1 Slaves - 3kV Optical Isolation
Warranty Terms :
Branded products (Waveshare/ Raspberry Pi/ Radxa/ DWIN etc) are as per brand warranty terms. Generic products are eligible for replacement within 7 days of delivery based on following conditions.
Products are eligible for a replacement if there is physical damage during transit or a clear manufacturing defect. Any claim for damage/ wrong items/ replacement must be made within 48 hours of successful delivery of the product. Requests for refund of amount or exchange of product(s) will be reviewed on a case by case basis and HUBTRONICS carries final rights to take a final decision on refund, store credit or exchange.
What to take care of ?
Most of our products are technical in nature and require trained personnel to handle them. Any kind of mishandling can result in damage or malfunctioning of the product, it is not possible for us to provide a replacement or refund if the product is damaged due to technical or physical mishandling.
Who pays the return shipping cost?
Free of cost return pickup from delivery address is eligible for products categorized as manufacturing defect/ Damage in transit/ Wrong items delivered. We do not support return pickup for any B2B order or offline orders not placed on website. Buyer need to arrange return shipping for B2B orders.
What voids warranty?
Please note that replacement/ return or refund is not possible if the product is not compatible with your system/application. Please check all the technical details/ dimensions etc. before ordering and contact us for any kind of clarifications.
If product is soldered/ programmed at any point or physically altered in any way, it is not eligible for return/ replacement. If the item requires soldering for testing, please ensure that you use suitable clips or jig to test it without soldering. Any kind of soldering job makes the product ineligible for return or replacement.
Following items are not eligible for return under any circumstances
- Device Programmers / Dongles
- Soldering Consumables (Wire, Flux etc)
