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Digi TransPort WR31 User Manual

Analog and digital input/output interface
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TransPort
WR31
TM
Analog and Digital Input/Output Interface
User Guide

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Summary of Contents for Digi TransPort WR31

  • Page 1 TransPort WR31 Analog and Digital Input/Output Interface User Guide...

  • Page 2: Customer Support

    To find the most up-to-date documentation for all Digi products, visit www.digi.com/resources/documentation. Trademarks and copyrights TransPort, Digi, Digi International, and the Digi logo are trademarks or registered trademarks in the United States and other countries worldwide. All other trademarks mentioned in this document are the property of their respective owners.

  • Page 3: Table Of Contents

    Additional information ................TransPort WR31 Analog and Digital Input/Output Interface User Guide...

  • Page 4: Transport Wr31 Input/Output Interface

    1 analog input • 2 digital input/output (software-selectable) I/O connector pin assignments The TransPort WR31 has a 5-pin I/O connector. The I/O connector, pin assignments, and signals for each pin are shown in the following image and table. Pin number Assignment...

  • Page 5: Wiring The I/O Connectors

    The following image shows how to secure the wires using the screw-down clamps. The connector is attached to the TransPort WR31 with the screw flanges. We recommend using the wire size 16-26 AWG for the 5-pin terminal. Hardware specifications and configuration The following section provides the specifications and configurations of the TransPort WR31 I/O Interface.

  • Page 6: Analog Input Schematic

    The analog input port has the following two modes of operation: • Voltage monitor: The TransPort WR31 is configured to monitor a voltage input from 0V to +10V. • Current-loop monitor (default mode): The TransPort WR31 is configured to monitor a current-loop input from 4mA to 20mA.

  • Page 7: Digital Input

    External power mode: The battery symbol indicates that an external power source is in use (see the external power mode schematic). The maximum voltage that can be supplied is 30VDC. The following figure shows the internal power mode schematic. TransPort WR31 Analog and Digital Input/Output Interface User Guide...

  • Page 8: Digital Output

    The digital-out configuration is a transistor drain to the user. The maximum collector current is 200mA and must be user-limited. The following image shows a schematic of the typical digital-out application. TransPort WR31 Analog and Digital Input/Output Interface User Guide...

  • Page 9: Configure The I/O Interface

    Additional information Configure the I/O interface To configure the TransPort WR31 I/O interface, use the command line interface (CLI) commands. You can build these commands into Python or Basic scripts to automate functionality, or use them manually in the CLI.

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