Connective Peripherals ES-U-2001-S Installation Manual Download

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ES-U-2001-S

Installation Guide

Version 1.1

Document Reference No.: CP_000074 Clearance No.: CP#062

Appendix A - List of Figures & Tables

List of Figures

Figure 1

–

Push down the upper case and slide it to open

............................................. 6

Figure 2 - 3-way DIP Switch for Operating Mode Selection

........................................... 6

Figure 3

–

7 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

Summary of Contents for ES-U-2001-S

Page 1: ... 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...

Page 2: ...5 Pin Layouts Pinout information 10 5 1 RS 422 Signal Pin outs of DB 9 Male 10 5 2 RS 422 Signal Wiring 10 5 2 1 Point to Point 4 Wire Full Duplex 10 5 2 2 RS 422 with Handshaking 10 5 3 RS 485 4 Wire Full duplex Signal Pin outs of DB 9 Male 11 5 4 RS 485 2 Wire Half duplex Signal Pin outs of DB 9 Male 11 5 5 RS 485 Signal Wiring 11 5 5 1 Point to Point 4 Wire Full Duplex 11 5 5 2 Multi drop RS 48...

Page 3: ...utomatically detected and installed There are no IRQ COM port conflicts since the port doesn t require any additional IRQ DMA memory as resources on the system The RS 422 485 port functions as native Windows COM port and it is compatible with Windows serial communication applications The adapter is designed with external switches to set the unit to the RS 422 or RS 485 modes The upper case slides ...

Page 4: ...a throughput Requires no IRQ DMA I O port Data rates 300 bps to 921 6K bps Serial Connector one DB 9 male connector Auto transmit buffer control for 2 wire RS 485 half duplex operation Termination resistors installed on board RS 422 data signals Tx Tx Rx Rx GND RTS RTS CTS and CTS RS 485 data signals Tx Tx Rx Rx 4 wire and data data 2 wire Indication LEDs for TxD and RxD port status No external po...

Page 5: ... drivers leading to unreliable operation of the unit and the overall system ES U 2001 S 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 S 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 req...

Page 6: ...u can set the switch settings to RS 422 or RS 485 mode as per the requirements of your application The modes are shown in Table 1 below Figure 1 Push down the upper case and slide it to open The RS 422 and RS 485 Mode block configuration settings are listed below Operation Mode S1 S2 S3 RS 422 4 wire with Handshaking ON ON ON RS 485 Full Duplex 4 wire OFF ON ON Half Duplex 2 wire with Echo OFF OFF...

Page 7: ...nction 1 2 enable Tx Termination of 120 Ohm see notes below table 2 3 disable 4 5 enable Pull up Tx to VCC via 750 Ohm Bias resistor see notes below table 5 6 disable 7 8 enable Pull down Tx to GND via 750 Ohm Bias resistor see notes below table 8 9 disable 10 11 enable Rx Termination of 120 Ohm see notes below table 11 12 disable 13 14 enable Pull up Rx to VCC via 750 Ohm Bias resistor see notes ...

Page 8: ...ently using the jumpers as required See the notes on Termination in section 3 1 before setting these options Note on Biasing For RS485 half duplex if biasing is required enable Tx biasing only jumper 4 5 and 7 8 and disable 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 sect...

Page 9: ... 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: ...Connective Peripherals Pte Ltd 10 5 Pin Layouts Pinout information 5 1 RS 422 Signal Pin outs of DB 9 Male Pin 1 TxD A Pin 2 TxD B Pin 3 RxD B Pin 4 RxD A Pin 5 GND Pin 6 RTS A Pin 7 RTS B Pin 8 CTS B Pin 9 CTS A 5 2 RS 422 Signal Wiring 5 2 1 Point to Point 4 Wire Full Duplex 5 2 2 RS 422 with Handshaking ...

Page 11: ...s Pte Ltd 11 5 3 RS 485 4 Wire Full duplex Signal Pin outs of DB 9 Male Pin 1 Tx A Pin 2 Tx B Pin 3 Rx B Pin 4 Rx A Pin 5 GND 5 4 RS 485 2 Wire Half duplex Signal Pin outs of DB 9 Male Pin 1 Data A Pin 2 Data B Pin 5 GND 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 ...

Page 12: ...ontact 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 ...

Page 13: ...Figures Tables List of Figures Figure 1 Push down the upper case and slide it to open 6 Figure 2 3 way DIP Switch for Operating Mode Selection 6 Figure 3 7 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 ...

Page 14: ...ve Peripherals Pte Ltd 14 Appendix B Revision History Revision Changes Date 1 0 Initial release 29 12 2020 1 1 Updated biasing termination section to provide better description Moved driver install section to USB to Serial Converters Driver Installation Guide available from www connectiveperipherals com 01 04 2022 ...

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