ES-R-2x01B-M RS-232 to RS-422/RS-485 Converters Manual Document Reference No.: CP 000047 Version 1.2 Issue Date: 2019-03-25 The Connective Peripherals ES-R-2001B-M and ES-R-2101B-M are used to convert RS-232 signals to RS-422/RS-485 signals. The converters provide instant connectivity to RS-422/RS-485 communication devices for factory automation equipment, multi-drop data collection devices, barcode readers, time clocks, scales, data entry terminals, PC to PC long distance communications (up to 1.3KM) and serial communication in harsh environments. This manual covers the following products: ES-R-2001B-M ES-R-2101B-M Connective Peripherals Pte Ltd 178 Paya Lebar Road, 07-03 Singapore 409030 Tel.: +65 67430980 Fax: +65 68416071 E-Mail (Support): support connectiveperipherals.com Web: www.connectiveperipherals.com/products 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 Copyright Connective Peripherals Pte Ltd ES-R-2x01B-M RS-232 to RS-422/RS-485 Converters Manual Version 1.2 Document Reference No.: CP 000047 Clearance No.: CP 037 Table of Contents 1 Introduction .................................................................... 3 2 Specification ................................................................... 4 3 Features of the ES-R-2x01B-M ........................................ 5 3.1 Optical Isolation & Surge Protection (ES-R-2101B-M only) ....... 5 3.2 Power Supply ............................................................................ 5 3.3 Enclosure .................................................................................. 5 3.4 Configuring for RS-422 and RS-485 Modes ............................... 5 4 Hardware Installation ..................................................... 6 4.1 General Notes and Warnings ..................................................... 6 4.2 RS-232 DCE or DTE Pin Assignment .......................................... 7 4.3 RS-422 and RS-485 Mode Block Configuration .......................... 7 4.4 Termination and Biasing Configuration ..................................... 8 5 Connector Pinout Information ......................................... 9 5.1 RS-232 Signal Pin-outs of DB-9 Female (DTE Mode) ................. 9 5.2 RS-232 Signal Pin-outs of DB-9 Female (DCE Mode) ................. 9 5.3 RS-422 Signal Pin-out ............................................................. 10 5.4 RS-485 Signal Pin-out (half duplex) ....................................... 12 5.5 RS-485 Signal Pin-out (full duplex) ........................................ 14 6 Contact Information ...................................................... 16 Appendix A - List of Figures and Tables ............................. 17 List of Figures ................................................................................. 17 List of Tables ................................................................................... 17 Appendix B - Revision History ............................................ 18 Copyright Connective Peripherals Pte Ltd 2