USB RS485 Cable Series
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USB to RS485 / RS422 Converter

USB port-powered converter
High-performance chipset
Output 1: RS485 2-wire half duplex
Output 2: RS422 4-wire full duplex
INQUIRY
Description

Overall features 

  • USB port-powered converter

  • High-performance chipset

  • Output 1: RS485 2-wire half duplex

  • Output 2: RS422 4-wire full duplex

  • Interface: Terminal screw connections

  • Automatic Send Control

  • Compatible with Modbus RTU/ASCII and BACnet

  • Up to 32 nodes in network configuration

SPECIFICATIONS
P/NUC885
Operating system
  • Windows 8.1 / 8 (32/64-bit), Windows Server 2012, Windows 7 (32/64-bit), Windows Server 2008 R2, Vista (32/64-bit), Windows Server 2008 (32/64-bit), XP, Windows Server 2003 (32/64-bit), 2000, (all WHQL compliant)

  • Windows CE v4.2 - 5.2 and 6.0 which includes: Windows Mobile 2003, 2003 SE, Windows Mobile 5, 6, 6.1 and 6.5

  • Linux

  • Mac OS 8, OS 9, OS X

  • Android

ProcessorFTDI FT232RL
Serial driverSipex SP485EE
Unique chipID no.Yes, each converter has it own unique ID numberwhich can be accessed by the user with the D2XX driver programmers guide.
RS485 / RS422 InterfaceScrew terminal header
RS485 output power3.60VCD (between D+ and GND)
Fail-safe bias resistorsYes
USB interfaceStandard Type A Male
Indication LEDsTX, RX and Power
Ports1-port availble for RS485 and RS422 individually
SignalsRS485, 2-wire half duplex: D+, D-, GND
RS422, 4-wire full duplex: TX+, TX-, RX+, RX-, GND
Baud rate300-921,600bps (up to 3Mbps by using alising)
ParityNone, Odd, Even, Mark, Space
Data Bits7, 8
Stop Bits1, 2
TX / RX buffer size256 Byte Transmit Buffer / 128 Byte Receive Buffer
Adjustable USB transfer sizes for TX and RXFrom 64 bytes to 4096 bytes
Adjustable latency timer1 to 255 msec
Adjustable read and write timeouts0 to 10000 msec
Flow ControlNone, Xon/Xoff, Hardware
COM port accessible byIncluded virtual COM port drivers or FTD2XX.DLL
Special features
  • Compatible with Modbus RTU/ASCII, BACnet

  • Supports non-standard baud rates

  • Automatic Send Control

Electrostatic (ESD) protection600W surge protection, 15KV static electricity protection
Current drawStatic: less than 80mA. Dynamic average: less than 150mA
Interface complianceUSB1.1,2.0,3.0, EIA/TIA RS-232
Regulatory complianceFCC, CE and RoHS
Working temp-20°C to 60°C
Size63 x 34 x 13mm
Warranty1 year limited warranty