[USB-503] USB to RS485 Converter Compact (MAX 250Kbps) HuMANDATA LTD.

Overview

USB-503 is a USB to RS485 converter that can use RS-485 from USB interfaces. This is an insulation type that can be used safely even in the FA environment.

*Second and subsequent images are CG models

* Image with optional accessories

Features

• Supports RS485 (Half Duplex)
• 2000VDC bus isolation
  USB side and RS-485 side are isolated
• Baud rate up to 250Kbps
  High-speed type USB-010 (MAX 12Mbps) is also available
• 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
• Termination resistance setting switch
• Pluggable the screw terminal
• No external power supply is required
  USB-503 is powered through a USB port (Bus-powered)
• Reliable industrial grade design
• ESD and surge protection
  CE-certified USB-003 is also available
• Housing material: Plastic
• DIN rail, magnet, 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-503
Input Power	5VDC Supplied through a USB port (Bus-powered)	No external power supply required
Current Consumption	Less than 80 mA
I/O Interface	RS485	ESD protection
HOST Interface	USB 2.0 compliant Support Full Speed	USB 1.1 compatible ESD protection
Baud Rate	300 bps to 250 Kbps	Support custom baud rate
Data Bits	7 or 8 bit
Stop Bits	1 or 2 bit
Parity	Even, Odd, No-parity
FIFO RX Buffer Size	384 bytes
FIFO TX Buffer Size	128 bytes
Isolation Method	Bus Isolation
Isolation Protection	2000VDC	Designed value
Processor	FT232BL	FTDI
USB Driver	Virtual COM port driver
Support OS	Windows 10/8.1/8/7
LED	PWR: USB bus power RX: Receive data TX: Transmit data
USB Connector	Standard Type B Female
RS485 Connector	Pluggable the screw terminal 3pin (PHOENIX CONTACT)	5mm pitch
Operating Ambient Temperature	-10 to 60℃ (14 to 140 [°F])	No condensation permitted
Operating Ambient Humidity	10 to 85%RH	No condensation permitted
Storage Ambient Temperature	-20 to 55℃ (-4 to 131 [°F])	No condensation permitted
Storage Ambient Humidity	10 to 85%RH	No condensation permitted
Weight	Approx. 70 [g]	Only main body
Dimensions	67 x 43.5 x 27 [mm] (2.638" x 1.713" x 1.063")	Without projections

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

RS485 Connector pinouts

Package Contents

• USB-503
• USB cable 1.8m
• Driver & Application CD