Connective Peripherals ES-R-2 01-M Series Manual

Rs-232 to rs-422/rs-485
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RS-232 to RS-422/RS-485
The Connective Peripherals ES-R-2001*-M and ES-R-2101*-M are used to convert RS-232 signals to
RS-422/RS-485
signals.
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 only:
ES-R-2001B-M
ES-R-2101B-M
ES-R-2001C-M
ES-R-2101C-M
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 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 publicati on of this
document. Connective Peripherals Pte Ltd, 1 Tai Seng Avenue, Tower A, #03-07 Singapore 536464. Registered Number: 201617872E
ES-R-2x01-M
Converters Manual
Document Reference No.: CP_000047
Version 1.4
Issue Date: 28-05-2024
The
converters
provide
RS-232 to RS-422/RS-485 Converter (Rev. B)
Opto-isolated RS-232 to RS-422/RS-485 Converter (Rev. B)
RS-232 to RS-422/RS-485 Converter (Rev. C)
Opto-isolated RS-232 to RS-422/RS-485 Converter (Rev. C)
Connective Peripherals Pte Ltd
1 Tai Seng Avenue, Tower A, #03-07 Singapore 536464
Tel.: +65 67430980
Copyright © Connective Peripherals Pte Ltd
instant
connectivity
Web:
www.connectiveperipherals.com/products
to
RS-422/RS-485

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Summary of Contents for Connective Peripherals ES-R-2 01-M Series

  • Page 1 No freedom to use patents or other intellectual property rights is implied by the publicati on of this document. Connective Peripherals Pte Ltd, 1 Tai Seng Avenue, Tower A, #03-07 Singapore 536464. Registered Number: 201617872E...
  • Page 2: Table Of Contents

    RS-485 Signal Pin-out (full duplex) ........13 6 Contact Information ............14 Appendix A - List of Figures and Tables ......15 List of Figures ................. 15 List of Tables ................... 15 Appendix B - Revision History ..........16 opyright © Connective Peripherals Pte Ltd...
  • Page 3: Introduction

    Document Reference No.: CP_000047 Clearance No.: CP#037 1 Introduction The Connective Peripherals ES-R-2001*-M and ES-R-2101*-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...
  • Page 4: Specifications

    B (ES-R-2x01B-M) which could accept up to 48V DC. When using revision C, the power supply input must not exceed 36V. It is recommended to use the included 12V power adapter for the unit. opyright © Connective Peripherals Pte Ltd...
  • Page 5: Features Of The Es-R-2X01*-M

    They also feature jumpers to set the pinout of the RS-232 port to a DCE or DTE configuration, and to enable termination and biasing when required. Please refer to section 4 for more information on the DIP switch and jumper settings available. opyright © Connective Peripherals Pte Ltd...
  • Page 6: Hardware Installation

    Pull-down Tx- to GND by 750 Ohm Bias resistor). The Rx biasing (Pull-up Rx+ to VCC by 750 Ohm Bias resistor and Pull-down Rx- to GND by 750 Ohm Bias resistor) should not be enabled. opyright © Connective Peripherals Pte Ltd...
  • Page 7: Rs-232 Dce Or Dte Pin Assignment

    The RS-422 & RS-485 Mode Block Configuration Settings are shown in Table 2. Operation Mode RS-422 4 wires with handshaking Full Duplex (4 wire) Half Duplex (2 wire) RS-485 with Echo Half Duplex (2 wire) without Echo Table 2 - RS-422 and RS-485 configuration opyright © Connective Peripherals Pte Ltd...
  • Page 8: Termination And Biasing Configuration

    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 4.1 before setting these options opyright © Connective Peripherals Pte Ltd...
  • Page 9: Connector Pinout Information

    Table 6 shows the RS-422 pin-out of the DB-9 Male connector. Pin Number Description TxD- = Transmit data, negative polarity TxD+ = Transmit data, positive polarity RxD+ = Receive data, positive polarity RxD- = Receive data, negative polarity opyright © Connective Peripherals Pte Ltd...
  • Page 10: Figure 4 - Rs-422 4 Wire Full Duplex

    ES-R-2x01*-M are terminated at the receiver at the other end of the bus as shown. Twisted pair wires are required for each signal pair. ES-R-2x01*-M RS-422 Device TxD+ RxD+ TxD- RxD- TxD+ RxD+ RxD- TxD- Figure 4 - RS-422 4 Wire Full Duplex opyright © Connective Peripherals Pte Ltd...
  • Page 11: Rs-485 Signal Pin-Out (Half Duplex)

    Data+ = Transmit / Receive Data, positive polarity GND = Signal ground Table 9 - RS-485 half-duplex pin-out for 5-way terminal block Note: Other terminals have no function in this mode and should be left unconnected. opyright © Connective Peripherals Pte Ltd...
  • Page 12: Figure 6 Rs-485 Half Duplex Wiring

    4.1 and 4.4. These should not be enabled if another device on the bus is already providing biasing. Twisted pair wires are required for each signal pair. ES-R-2x01*-M RS-485 Devices Data+ Data- Data+ Data- Data+ Data- Data+ Data- Figure 6 RS-485 Half Duplex Wiring opyright © Connective Peripherals Pte Ltd...
  • Page 13: Rs-485 Signal Pin-Out (Full Duplex)

    2x01*-M would be terminated at the receiver at the other end of the bus as shown. Twisted pair wires are required for each signal pair. ES-R-2x01*-M RS-485 Device TxD+ RxD+ TxD- RxD- RxD+ TxD+ RxD- TxD- Figure 7 - RS-485 Full Duplex Wiring opyright © Connective Peripherals Pte Ltd...
  • Page 14: Contact Information

    6 Contact Information Global Headquarters Singapore Connective Peripherals Pte Ltd 1 Tai Seng Avenue Tower A #03-07 Singapore 536464 Tel: +65 67430980 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 opyright © Connective Peripherals Pte Ltd...
  • Page 15: Appendix A - List Of Figures And Tables

    Table 9 - RS-485 half-duplex pin-out for 5-way terminal block ............11 Table 10 - RS-485 full duplex pin-out for DB-9 connector ..............13 Table 11 - RS-485 full duplex pin-out for terminal block ..............13 opyright © Connective Peripherals Pte Ltd...
  • Page 16: Appendix B - Revision History

    Connective Peripherals name logo change, 25-03-2019 copyright changed, contact information Changed, all internal hyperlinks changed. Additional termination/biasing information and 01-04-2022 formatting updates Initial release of the manual for ES-R-2x01C-M which 28-05-2024 also covers ES-R-2x01B-M opyright © Connective Peripherals Pte Ltd...

This manual is also suitable for:

Es-r-2001b-mEs-r-2101b-mEs-r-2001c-mEs-r-2101c-m

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