Isolated USB to 4-Ch RS485 Converter (B), CH344L Chip, Multi-Protection, Multi-System Support
CH344L | Stable Transmission | Multiple Devices Applicable | Multi-OS Compatible
Features At A Glance
- Adopts original CH344L chip, fast communicating, stable and reliable, better compatibility
- Supports USB to 4-ch isolated RS485, convenient for expanding multiple RS485 industrial serial devices
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
- Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection
- Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
- Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch
- 10 LEDs for indicating the power, device configuration status and transceiver status
- Industrial grade metal case, supports wall-mount & rail-mount installation, solid and beautiful, easy to install
Specifications
| PRODUCT TYPE | Industrial isolated USB to RS485 converter | |
|---|---|---|
| HOST PORT | USB | |
| DEVICE PORT | RS485 | |
| BAUDRATE | 1200bps ~ 460800bps | |
| USB | Operating voltage | 5V |
| Connector | USB-B | |
| Protection | 500mA resettable fuse, output isolation | |
| ISOLATED RS485 | Connector | Screw terminal |
| Direction control | Hardware automatic control | |
| Protection | 600W lightningproof and surge-suppress, 15KV ESD protection (onboard 120R matching resistors) | |
| Transmission mode | Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more) | |
| INDICATORS | PWR | Power indicator, lights up while the USB is connected and voltage is detected |
| ACT | Status indicator, lights up green while the driver is detected. | |
| RXD | RXD indicator, lights up when the device ports send data back | |
| TXD | TXD indicator, lights up when the USB port is sending data | |
| OPERATING ENVIRONMENT | Temperature | -40 ~ 85℃ |
| Humidity | 5%RH ~ 95%RH | |
| OPERATING SYSTEM | Win7/8/8.1/10/11, Mac, Linux, Android | |
Safer Isolated Design
- Onboard unibody power supply isolation, provides stable isolated voltage, needs no extra power supply for the isolated terminal
- Onboard unibody digital isolation, allows signal isolation, high reliability, strong anti-interference, low power consumption
Multiple Protection, Safe And Stable
Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & ESD protection. Onboard self-recovery fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance.
Multi System Support
Supports Mac, Linux, Android, Windows 11 / 10 / 8.1 / 8 / 7, Etc.
Transmission Distance Up To 1.2km
The USB Signal Can Be Converted Into 4 Balanced Differential RS485 Signals And The Transmission Rate Is Stable. The Reliable Speed Is 1200~460800bps, The Transmission Distance Is About 1.2km For RS485, And About 5 Meters For USB
Aluminium Alloy Enclosure
Aluminium Alloy Enclosure With Sand Blasting And Anodic Oxidation,
Solid And Durable, Fashionable And Good Hand Feeling
Wall-Mount & Rail-Mount Support, More Flexible For Industrial Installation
Outline Dimensions
What's in the box?
1 x USB TO 4CH RS485 (B)
1 x Rail-mount buckle
1 x USB type A to type B cable ~1.2m
1 x Screwdriver
Resources
www.waveshare.com/wiki/USB_TO_4CH_RS485_(B)
- Availability: 8 In Stock
- Model: USB to 4-Ch RS485 Converter
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