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HuMANDATA LTD. 

2 Channel 

USB to RS485/422 Converter 

USB-304 

User’s Manual 

Ver. 1.0

 

 

 

 

Содержание USB-304

Страница 1: ...HuMANDATA LTD 2 Channel USB to RS485 422 Converter USB 304 User s Manual Ver 1 0...

Страница 2: ......

Страница 3: ...ock Diagram 4 2 Specifications 5 2 1 Optional Accessories 6 2 2 RS 485 422 4 wire Mode 7 2 3 RS 485 2 wire Mode 7 3 Interface Terminal 8 4 Setting Switch 9 4 1 RS 485 422 4 wire 9 4 2 RS 485 2 wire 10...

Страница 4: ......

Страница 5: ...owing to improvements 7 All efforts have been made to produce the best manual possible but if users notice an error or other problem we ask that they notify us 8 Item 7 notwithstanding HuMANDATA cann...

Страница 6: ...ry much for purchasing our product of USB 304 USB 304 is a 2 channel USB to RS485 RS422 converter that isolated between each RS 485 422 serial port and a USB port You can use 2 channels of RS 485 422...

Страница 7: ...3 USB 304 Ver 1 0 Front Side USB Rear Side RS 485 422 Setting Switch x2 Terminal Block x2 Power LED USB Connector Setting Switch x2 Receive Transmit Data LED x2...

Страница 8: ...4 USB 304 Ver 1 0 1 1 Power Supply USB 304 is powered through a USB port Bus powered No external power supply is required 1 2 Block Diagram Between USB and each RS 485 422 serial port are isolated...

Страница 9: ...Method Bus isolation Isolation Protection Over 2000VDC Designed value Processor FT2232H FTDI USB Driver Virtual COM port driver Baud Rate 300bps to 6M 8M 12Mbps Support custom baud rate Data Bits 7 o...

Страница 10: ...ed to the parts of the compatibility Power saving function suspend standby sleep and others is not supported 2 1 Optional Accessories Model Name Image Description PEN 003 USB series Attachment with cl...

Страница 11: ...using two twist pair cables Wires of upstream and downstream are separated and simultaneous communication full duplex transmission is available When baud rates are more than 6Mbps only 8 Mbps or 12 Mb...

Страница 12: ...ce Terminal Terminal block is pluggable Do not remove it while the power is supplied Channel A Connection Pin Number Signal Signal and Polarity 1 A RD 2 B RD 3 GND GND 4 Y SD 5 Z SD The GND Ground pin...

Страница 13: ...sistor 4 1 RS 485 422 4 wire SWA2 SWB2 Factory Setting 1 2 4 wire OFF ON Please refer to Section 4 3 SWA1 SWB1 1 2 3 4 No termination OFF OFF OFF OFF SWA1 SWB1 1 2 3 4 Transmit Side termination OFF OF...

Страница 14: ...on OFF ON ON OFF SWA1 SWB1 1 2 3 4 Termination Enable ON ON ON OFF Echo Cancelling Disable echo enable SWA2 SWB2 1 2 2 wire ON ON 4 3 Setting Switch SWA2 SWB2 Function SWA2 1 SWB2 1 DE Transmit enable...

Страница 15: ...t The following documents and other supports are available at http www hdl co jp en faspc USB usb 304 Device Driver Outline Drawing and more 6 Warranty and Compensation Please refer to the following U...

Страница 16: ...304 User s Manual Ver 1 0 Nov 17 2017 HuMANDATA LTD Address 1 2 10 2F Nakahozumi Ibaraki Osaka Japan ZIP 567 0034 Tel 81 72 620 2002 Japanese Fax 81 72 620 2003 Japanese English URL http www fa hdl co...

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