[USB-305] USB RS485/422 Converter (Heavy-duty type) HuMANDATA LTD.

Overview

USB-305は、USBからRS485またはRS422インタフェースを利用するための変換器です。ノイズに強い絶縁タイプで避雷素子（アレスタ）を内蔵しています。着脱式端子台とD-Sub9ピンコネクタを採用しており、どちらでもご使用いただけます。設定SWによりUSB側のシグナルグランド(SG)とフレームグランド(FG)の分離を行うことができます。

Upcoming Product

* Second and subsequent images are CG models

*Image with optional accessories

Features

• Supports RS-485/RS422
  2-wire or 4-wire of RS-485/RS422 selectable by the dip-switch
• 2000VDC bus isolation
• Built-in arrestors for lightning protection
• Baud rate up to 250Kbps
  絶縁型ながら最大250kbpsと高速です
• Supports custom baud rate
• Auto transmit data control
  Built-in USB-serial chip has auto transmit controller and the driver is activated when it transmit the data
• Built-in fail-safe bias resisters
• Built-in 120 ohm terminal resistor selectable by the dip-switch??
• Pluggable the screw terminal and D-Sub 9-pin connector
  端子台は配線をしたまま取り外しできます
• No external power supply is required
  USB-305 is powered through a USB port (Bus-powered)
• Reliable industrial grade design
• ESD and surge protection
• Housing material: Plastic
• DIN rail and screw mountable (Attachment is required)
• Includes a USB cable (1.8m)
• Non-use of 10 Restricted substances of RoHS directive
• MADE IN JAPAN

Specification

Item	Description	Remarks
Model	USB-305
Input Power	DC 5V / Less than 200mA Supplied through a USB port (Bus-powered)	No external power supply required
I/O Interface	RS-485/422 (2-wire or 4-wire)	ESD protection
HOST Interface	USB 2.0 compliant (Support Hi Speed)	USB 1.1 compatible ESD protection
USB Connector	USB B type (Female)
Isolation Method	Bus Isolation
Isolation Protection	Over 2000VDC	Designed value
Processor	FT2232H	FTDI
USB Driver	Virtual COM port driver
Baud Rate	300bps to 250 Kbps	Support custom baud rate
Data Bits	7 or 8 bit
Stop Bits	1 or 2 bit
Parity	Even, Odd or No-parity
FIFO RX Buffer Size	1024 Bytes
FIFO TX Buffer Size	1024 Bytes
LED	POW: Power LED RX: Receive data LED TX: Transmit data LED
RS485/RS422 Connector (CN1)	Detachable the screw terminal 5pin (PHOENIX CONTACT)	3.5mm pitch
***Connector (CN2)	D-SUB 9pin Male (#4-40 UNC)	Exchangeable to attached optional M2.6 screws
避雷素子(アレスタ)	・直流放電開始電圧100V/s(±20%)：90V ・インパルス放電開始電圧1kV/μs：550V ・交流電流耐量AC50Hz(10回)：10Arms ・インパルス電流耐量8/20μs：10kA ・インパルス寿命10/1000μs(300回)：200A
Support OS	Windows 10/8.1/8/7/Vista/XP
Operating Ambient Temperature	-20 to 60℃ (-4 to 140 [°F])	No condensation permitted
Operating Ambient Humidity	30 to 85%RH	No condensation permitted
Storage Ambient Temperature	-20 to 60℃ (-4 to 140 [°F])	No condensation permitted
Storage Ambient Humidity	30 to 85%RH	No condensation permitted
Weight	Approx. 120 [g]	Only main body
Dimensions	69 x 82.5 x 30 [mm] (2.638" x 3.248" x 1.181")	Without projections

* Power saving function (suspend, standby, sleep and others) is not supported
 

Interface Termianl (RS-485/RS422 PIN ASSIGNMENT)

D-sub 9 pin male connector
#4-40 UNC screws are mounted by factory setting. You can change them to attached M2.6 screws.

Package Contents

• USB-305
• USB A-B cable 1.8m
• Driver & Application CD