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RS232/485to 4 port RS485 HUB

Model:SW4485Introduction:SW4485 is a RS-485 bus segmentation HUB, specially designed for conforming to RS-485’s large-scale system requirements under the complex electromagnetic environment. Its supporting transmission rates reach up to 115.2Kbps. It adopts transparent transmission in both directions. It can convert 1 RS-485 or RS-232 to 4 RS-485, or transparently transmit any intersected RS-485 signal to RS-485 or RS-232 on PC. Each RS-485 port of its lower position controller has reverse fault alarm and protection function, through which,the network reliability of RS-485 has been improved, and the maintenance time of network has been shortened efficiently. In order to ensure the safety and reliability of data communication, the RS-485 interfaces of SW4485 are supplied with 2KVAC isolation protection, 3 levels of ESD protection and 2 levels of electrostatic radiation protection; they can prevent lighting, common ground and radiated interference, safe and reliable, are suitable for outdoor application.SW4485 also provide star-RS485 BUS connection. Users can easily improve the RS-485 BUS structure, split network segment. You can design a unique and reliable RS-485 system through making reasonable use of SW4485.SW4485 adopts EMC protection design, supports wall-mounting and panel-mounting installation, and can be used at the harsh environment from -40℃ to 85℃.

  • 1.Support two RS-232 and RS-485 PC interfaces , and 4 RS-485 lower position controller ports
  • 2.Support baud rate from 300bps to 115200bps
  • 3.Each lower machine interface can be connected to 32 standard RS-485 devices(nodes)
  • 4.Unique automatic circuit reverse alarm detection
  • 5.Have automatic transceiver conversion function with zero delay
  • 6.Support hot swap function, plug and play
  • 7.Interface has 2KVAC isolation protection, 8KV ESD protection
  • (contact discharge) and 2-stage radiation immunity
  • 8.Industrial design, IP40 protection
  • 9.Support DIN-Rail and wall mounting installation
  • 10.Working Temperature: -40~85℃

  • Communication Parameter
  • Interface Protocol: EIA RS-2332/485
  • Interface Number: 1x RS-232
  • 1xRS-485
  • 4x RS-485 lower position
  • controller interfaces.
  • RS-232 signal: TxD, RxD, GND
  • RS-485 signal: D+, D-, GND
  • Check: None, Even, Odd, Space, Mark
  • Data Bit: 5bit, 6bit, 7bit, 8bit
  • Stop Bit: 1bit, 1.5bit, 2bit
  • Baud Rate: 300bps~115200bps
  • Direction Control: RS-485 adopts data flow to automatic control technology
  • Transmission Media: twisted-pair shielded cable or UTP 485 dedicated line
  • Load Capacity: RS-485: 32-node( can be customized 128 nodes)
  • Port Protection: 2KVAC isolation protection, 3
  • levels of ESD protection, 2
  • levels of electrostatic
  • radiation protection
  • Transmission Distance:
  • RS-485:1200m,
  • RS-232 : no more than 5m
  • Interface mode
  • RS-232 PC port mode: DB9M Male
  • RS-485 PC port mode: 3PIN terminal block
  • RS-485 Lower Position Controller port mode: 10 PIN terminal block
  • Indicator
  • PWR: power indicator
  • TXD: data delivery status indicator
  • RXD: data receiving status indicator
  • E1~E4: status indicator of RS-485 lower position controller interface
  • Power
  • Input: 5VDC
  • No-load Power: 0.455W@5VDC<br< a="">>Full Power: 0.485W@5VDC<br< a="">>Mechanical Structure
  • Shell: IP40 protection grade, high-strength metal casing
  • Installation: Wall-mount and Panel-mount
  • Weight: 250.8g
  • Size: 22mm×69mm×100mm
  • Working Environment
  • Working Temperature: -40~85℃
  • Storage Temperature: -40~85℃
  • Humidity: 5%~95%( no condensation)
  • Industry Standard
  • EMI: FCC Part 15, CISPR(EN55022) class A
  • EMS: EN61000-4-2(ESD), Lece3
  • Shock: IEC60068-2-27
  • Free Fall: IEC60068-2-32
  • Shake: IEC60068-2-6
  • Warranty Period: 5 years
  • Approvals: CE, FCC, RoHS, UL508(Pending)

(+9821) 22064015
(+9821) 22148186

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