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USB to Industrial Single RS-422/485
Adapter Installation Guide
E-Mail (Support):
support@connectiveperipherals.com
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. Connective Peripherals Pte 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. Connective Peripherals Pte Ltd, 178 Paya Lebar Road, #07-03 Singapore 409030. Registered
Number: 201617872E
ES-U-2001-STB
Document Reference No.: CP_000075
Version 1.1
Issue Date: 01-04-2022
Connective Peripherals Pte Ltd
178 Paya Lebar Road, #07-03 Singapore 409030
Tel.: +65 67430980
Copyright © Connective Peripherals Pte Ltd
Fax: +65 68416071
Web:
www.connectiveperipherals.com/products
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Summary of Contents for Connective Peripherals ES-U-2001-STB
- Page 1 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. Connective Peripherals Pte Ltd will not accept any claim for damages howsoever arising as a result of use or failure of this product.
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Page 2: Table Of Contents
Multi-drop RS-485 2-Wire Half-duplex..........11 6 Contact Information ..........12 Appendix A - List of Figures & Tables ......13 List of Figures ................ 13 List of Tables ................. 13 Appendix B - Revision History ........14 Copyright © Connective Peripherals Pte Ltd... -
Page 3: Introduction
Document Reference No.: CP_000075 Clearance No.: CP#063 1 Introduction The ES-U-2001-STB USB to Industrial Single RS-422/485 Adapter is designed to make serial port expansion quick and simple. Connecting to a USB port on your computer or USB hub, the USB Serial Adapter instantly adds one industrial RS-422/485 interface serial communication port to your system. -
Page 4: Specifications & Features
RS-485 data signals: Tx-, Tx+, Rx+, Rx-(4 wire) and data-, data+ (2 wire). • Indication LEDs for TxD and RxD port status. • Easy operating mode configuration and setting • Virtual COM port drivers for Windows, Linux and macOS Copyright © Connective Peripherals Pte Ltd... -
Page 5: Hardware Setup
ES-U-2001-STB converters have jumpers to allow the internal termination resistors to be enabled if required. This avoids the need to provide an external resistor at the ES-U-2001-STB end of the bus. There are separate jumpers for Tx+/Tx- termination and Rx+/Rx- termination allowing termination to be enabled for either or both if required. -
Page 6: Rs422/Rs485 Mode Switch
Half Duplex (2 wire) - with Echo Half Duplex (2 wire) - without Echo Table 1 - RS-422 & RS-485 Mode Block Configuration SW (External DIP Switch) for Mode Setting Figure 2 - 3-way DIP Switch for Operating Mode Selection Copyright © Connective Peripherals Pte Ltd... -
Page 7: Termination And Biasing Configuration
(jumper 11-12) For RS485 full-duplex and RS422, termination can be enabled/disabled for Tx+/- and Rx+/- pairs independently using the jumpers as required. See the notes on Termination in section 3.1 before setting these options. Copyright © Connective Peripherals Pte Ltd... - Page 8 Rx+/- biasing (jumper 14-15 and 17-18) For RS485 full-duplex and RS422, biasing can be enabled/disabled for Tx+/- and Rx+/- pairs independently as required. See the notes on Biasing in section 3.1 before setting these options. Copyright © Connective Peripherals Pte Ltd...
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Page 9: Driver Installation & Verification
Once the jumpers and switches have been configured using the previous sections in this guide, the driver can be installed. For information on driver installation and connecting the converter to your computer, please refer to the Connective Peripherals USB to Serial Converters Driver Installation Guide (Document CP_000084) which is available from www.connectiveperipherals.com... -
Page 10: Pin Layouts / Pinout Information
Pin 1 TxD- (A) Pin 2 TxD+(B) Pin 3 RxD+(B) Pin 4 RxD-(A) Pin 5 5.4 RS-485 2-Wire (Half duplex) Signal Pin-outs of Terminal Block Pin 1 Data- (A) Pin 2 Data+(B) Pin 5 Copyright © Connective Peripherals Pte Ltd... -
Page 11: Rs-485 Signal Wiring
ES-U-2001-STB Installation Guide Version 1.1 Document Reference No.: CP_000075 Clearance No.: CP#063 5.5 RS-485 Signal Wiring 5.5.1 Point-to-Point 4-Wire Full Duplex 5.5.2 Multi-drop RS-485 2-Wire Half-duplex Copyright © Connective Peripherals Pte Ltd... -
Page 12: Contact Information
Global Headquarters – Singapore Connective Peripherals Pte Ltd 178 Paya Lebar Road #07-03 Singapore 409030 Tel: +65 67430980 Fax: +65 68416071 E-Mail (Sales) sales@connectiveperipherals.com E-Mail (Support) support@connectiveperipherals.com Web Site URL http://www.connectiveperipherals.com Web Shop URL http://www.connectiveperipherals.com Copyright © Connective Peripherals Pte Ltd... -
Page 13: Appendix A - List Of Figures & Tables
Figure 3 – 6 x 3 Header Block to enable Termination & Biasing Resistors ..... 7 List of Tables Table 1 - RS-422 & RS-485 Mode Block Configuration SW (External DIP Switch) for Mode Setting ......................... 6 Table 2 - Termination and Biasing Jumpers ..............7 Copyright © Connective Peripherals Pte Ltd... -
Page 14: Appendix B - Revision History
Appendix B - Revision History Revision Changes Date Initial release 29-12-2020 Updated biasing/termination section to provide better description. Moved driver install section to 01-04-2022 USB to Serial Converters Driver Installation Guide available from www.connectiveperipherals.com Copyright © Connective Peripherals Pte Ltd...
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