USB-RS485-WE-1800-BT FTDI, Future Technology Devices International Ltd, USB-RS485-WE-1800-BT Datasheet

MODULE USB - RS485

USB-RS485-WE-1800-BT

Manufacturer Part Number
USB-RS485-WE-1800-BT
Description
MODULE USB - RS485
Manufacturer
FTDI, Future Technology Devices International Ltd
Datasheet

Specifications of USB-RS485-WE-1800-BT

Module/board Type
USB to Serial RS485 Interface Module
For Use With/related Products
FT232R
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
768-1041
Future Technology Devices International Ltd
USB to RS485 Serial Converter Cable
Datasheet
Document Reference No.: FT_000117
Version 1.4
Issue Date: 2010-05-27
Future Technology Devices International Limited (FTDI)
Unit1, 2 Seaward Place, Centurion Business Park,, Glasgow G41 1HH United Kingdom
Tel.: +44 (0) 141 429 2777
Fax: + 44 (0) 141 429 2758
E-Mail (Support):
support1@ftdichip.com
Web: http://www.ftdichip.com
Copyright © 2010 Future Technology Devices International Limited
Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced
in any material or electronic form without the prior written consent of the copyright holder. This product and its documentation are
supplied on an as-is basis and no warranty as to their suitability for any particular purpose is either made or implied. Future Technology
Devices International Ltd will not accept any claim for damages howsoever arising as a result of use or failure of this product. Your
statutory rights are not affected. This product or any variant of it is not intended for use in any medical appliance, device or system in
which the failure of the product might reasonably be expected to result in personal injury. This document provides preliminary
information that may be subject to change without notice. No freedom to use patents or other intellectual property rights is implied by
the publication of this document. Future Technology Devices International Ltd, Unit1, 2 Seaward Place, Centurion Business Park,
Glasgow, G41 1HH, United Kingdom. Scotland Registered Number: SC136640
Copyright © 2010 Future Technology Devices International Limited

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USB-RS485-WE-1800-BT Summary of contents

Page 1

... Future Technology Devices International Ltd USB to RS485 Serial Converter Cable Future Technology Devices International Limited (FTDI) Unit1, 2 Seaward Place, Centurion Business Park,, Glasgow G41 1HH United Kingdom Tel.: +44 (0) 141 429 2777 E-Mail (Support): Copyright © 2010 Future Technology Devices International Limited Neither the whole nor any part of the information contained in, or the product described in this manual, may be adapted or reproduced in any material or electronic form without the prior written consent of the copyright holder ...

Page 2

... Cables are FCC, CE, RoHS compliant. The cable is USB powered and USB 2.0 full speed compatible. Each cable is 1.8m long and supports a data transfer rate Mbaud. Each cable supports the FTDIChip-ID™, with a unique USB serial number programmed into the FT232R ...

Page 3

... Cable Part Numbers The following Table gives details of the available USB-RS485 cables. 2.1 Part Number Description USB to UART cable with RS485 USB-RS485-WE-1800-BT level UART signals. Black cable, Transparent USB connector USB to UART cable with RS485 level UART signals cable colour (B black or T USB-RS485-CC-LLLL-CU- ...

Page 4

... Table of Contents 1 Description ..................................................................................... 1 2 Cable Part Numbers ........................................................................ 2 2.1 Certifications ................................................................................................. 2 2.1 USB Compliant .............................................................................................. 2 The USB-R485 cable is fully compliant with the USB 2.0 specification. ................... 2 3 Typical Applications ........................................................................ 4 3.1 Driver Support .............................................................................................. 4 3.2 Features ........................................................................................................ 4 4 Features of FT232R applicable to USB-RS485 Cable ....................... 5 5 USB-RS485-WE-LLLL-CU-X ............................................................. 6 5.1 USB-RS485-WE Connections and Mechanical Details ..................................... 6 5 ...

Page 5

... Visual indication of Tx and Rx traffic via LEDs in the transparent USB connector. Copyright © 2010 Future Technology Devices International Limited Document Reference No.: FT_000117 USB TO RS485 SERIAL CONVERTER CABLE Datasheet USB Instrumentation PC interface. USB industrial control. USB password protected file transfers. Royalty free D2XX Direct Drivers ...

Page 6

... USB compliant) Low USB Bandwidth Consumption. The USB interface of the FT232R, and therefore the USB-RS485 cables has been designed to use as little as possible of the total USB bandwidth available from the USB host controller. FTDIChip-ID™. The FT232R includes the new FTDIChip-ID™ security dongle feature. This FTDIChip-ID™ ...

Page 7

... USB-RS485-WE Connections and Mechanical Details The following Figure 5.1 shows the cable signals and the wire colours for the signals on the USB-RS485- WE cable. Figure 5.1 USB-RS485-WE Connections Figure 5.2 USB-RS485-WE Mechanical Details (dimensions in mm) Figure 5.3 USB-RS485-WE Cable images Copyright © ...

Page 8

... FTDI Sales Team (sales1@ftdichip.com) Switchable power to external device, 250mA max. OFF during suspend Data + (A) Signal Data - (B) Signal Pin 2 of 120R Terminating Resistor. Only Required if the USB-RS485-WE cable is the first or last device in a multi-drop RS485 System, to meet RS485 Termination Requirements. Minimum Typical Maximum 4 ...

Page 9

... RS485 systems often have local echo enabled. This means any data transmitted by a device is echoed back to itself. The USB-RS485-WE cable allows for local echo to be enabled/disabled by changing a bit in the FT232R EEPROM. If CBUS4 in the EEPROM is set for “PWRON#” local echo is enabled. If CBUS4 in the EEPROM is set for “ ...

Page 10

... Customised versions of the cable are also available. Users interested in customised versions of these cables should contact FTDI sales (sales1@ftdichip.com). Figure 6.1 Block diagram of PCB Used in the USB to RS485 Serial Converter Cable Copyright © 2010 Future Technology Devices International Limited Document Reference No.: FT_000117 USB TO RS485 SERIAL CONVERTER CABLE Datasheet Clearance No ...

Page 11

... USB-RS485 – Schematic Schematic for converter cable, USB-RS485 is shown below in figure 7.1 Figure 7.1 Schematic of USB-RS485 Converter Cable Copyright © 2010 Future Technology Devices International Limited Document Reference No.: FT_000117 USB TO RS485 SERIAL CONVERTER CABLE Datasheet Clearance No.: FTDI Version 1.4 #75 10 ...

Page 12

... Tel: +86 21 62351596 Fax: +86 21 62351595 E-mail (Sales) cn.sales@ftdichip.com E-mail (Support) cn.support@ftdichip.com E-mail (General Enquiries) cn.admin@ftdichip.com Web Site URL http://www.ftdichip.com Copyright © 2010 Future Technology Devices International Limited Document Reference No.: FT_000117 USB TO RS485 SERIAL CONVERTER CABLE Datasheet Clearance No.: FTDI Version 1.4 #75 11 ...

Page 13

... Future Technology Devices International Ltd, Unit 1, 2 Seaward Place, Centurion Business Park, Glasgow G41 1HH United Kingdom. Scotland Registered Number: SC136640 Copyright © 2010 Future Technology Devices International Limited Document Reference No.: FT_000117 USB TO RS485 SERIAL CONVERTER CABLE Datasheet Clearance No.: FTDI Version 1.4 #75 ...

Page 14

... MPROG can be downloaded from the www.ftdichip.com. Version 2.8a or later is required for the FT232R chip. Users who do not have their own USB Vendor ID but who would like to use a unique Product ID in their design can apply to FTDI for a free block of unique PIDs. Contact FTDI support for this service. ...

Page 15

... Figure 5.1 USB-RS485-WE Connections ............................................................................ 6 Figure 5.2 USB-RS485-WE Mechanical Details (dimensions in mm) ...................................... 6 Figure 5.3 USB-RS485-WE Cable images .......................................................................... 6 Figure 6.1 Block diagram of PCB Used in the USB to RS485 Serial Converter Cable ................ 9 Figure 7.1 Schematic of USB-RS485 Converter Cable ....................................................... 10 List of Tables Table 2.1 USB-RS485 Cables Descriptions and Part Numbers .............................................. 2 Table 5 ...

Page 16

... Edited figure 5.1, 6.1 and table 5.1 , signals A Data +ve and B Data -ve Added FCC Certification details Added section 2.1 USB Compliant Logo Copyright © 2010 Future Technology Devices International Limited Document Reference No.: FT_000117 USB TO RS485 SERIAL CONVERTER CABLE Datasheet Clearance No.: FTDI Jan, 2009 th 11 Feb, 2009 ...

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