DC USB/422-485

product imageFeatures

  • Converts RS-422/485 to USB interface
  • Complies to USB 1.1 and USB 2.0
  • Automatic adjustment of data rate and format
  • Galvanic isolation up to 1.5kV DC
  • Plug & Play installation
  • Power supplied from USB port – no additional supply is required
  • Compatible with Windows 98/ME/2000/XP and Linux operating systems

Description


DC USB/422-485 ISO is a communication converter intended for connecting RS-422/485 devices to PC’s USB port. Data rate and format adjustment is performed according to requirements of RS-422/485 device. Module is power supplied from USB port and galvanic isolated from RS-422/485 devices (network). It is compatible with most operating systems enabling two access modes: as virtual serial COM port (VCP drivers up to 115 kbps), and as direct USB port (D2XX drivers up to 1 Mb/s).

 

Applications



DC USB/422-485 ISO is completely adjusted for applications in industrial communications and process automation, alarm systems and telemetry. It is used for:

  • Interconnecting distributed I/O modules and PLCs to PC;
  • Galvanic isolation of PC from RS-422/485 networks;
  • Connecting PC without COM ports to RS-422/485 communication bus;
  • Increasing number of COM ports on PC;
  • Field data readout using laptop;

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Technical specifications
Communication connectors USB (type B); RS-422/485 (pluggable screw clamp, 6 wires)
Compliance USB 1.1 and USB 2.0 standard
Data rate and format Automatically determined by RS-422/485 device
Maximum distance 1.2km @ 9600 b/s
Supported operating systems Windows 98/ME/2000/XP and Linux
Cable in set USB type A to USB tip B (1.5 m)
LED indicators PWR, TxD, RxD
Galvanic isolation 1.5kV DC
Power supply From USB port – no additional mains adapter is required
Operating temperature -25 to 70°C
Dimensions 90 x 43 x 20 mm