Geokon 8020-38 Instruction Manual

Addressable bus converter

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Model 8020-38
Addressable Bus Converter
Instruction Manual
©2019, GEOKON. All rights reserved.
Document Revision: Init | Release date: 8/1/19

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Summary of Contents for Geokon 8020-38

  • Page 1 Model 8020-38 Addressable Bus Converter Instruction Manual ©2019, GEOKON. All rights reserved. Document Revision: Init | Release date: 8/1/19...
  • Page 3 WARRANTY STATEMENT warrants its products to be free of defects in materials and workmanship, GEOKON under normal use and service for a period of 13 months from date of purchase. If the unit should malfunction, it must be returned to the factory for evaluation, freight prepaid.
  • Page 5: Table Of Contents

    TABLE OF CONTENTS 1. INTRODUCTION ............................2. INSTALLATION .............................. 2.1 MAKE WIRE CONNECTIONS ..................... 2.1.1 RS-485 CABLE CONNECTION ...................... 2.1.2 TTL CONNECTION ..........................2.1.3 USB CONNECTION ........................... 2.2 SETTING BIT RATE ..........................2.2.1 USING USB HOST SOFTWARE ....................2.2.2 USING TERMINAL EMULATION ....................
  • Page 6 FIGURES FIGURE 1: MODEL 8020-38 ADDRESSABLE BUS CONVERTER ........1 FIGURE 2: CONNECTING RS-485 STRING TO ADDRESSABLE BUS CONVERTER ..2 FIGURE 3: CONNECTING TTL AND EXTERNAL POWER TO ADDRESSABLE BUS CONVERTER ....................3 FIGURE 4: CONNECTING USB CABLE TO ADDRESSABLE BUS CONVERTER ....4 FIGURE 5: DISASSEMBLING THE 8020-38 CONVERTER ..........5...
  • Page 7: Introduction

    These include high current surge protection, transient voltage suppression, electro-static discharge protection, and a heavy-duty earth ground lug. Ground Lug TTL Spring Terminal RS-485 Spring Terminal USB Port FIGURE 1: Model 8020-38 Addressable Bus Converter MODEL 8020-38 ADDRESSABLE BUS CONVERTER | INTRODUCTION | 1...
  • Page 8: Installation

    Connect the black wire lead to the connection labeled GND [BLACK] on the RS-485 spring terminal. See the figure below. RS-485 Spring Terminal TTL Spring Terminal FIGURE 2: Connecting RS-485 String to Addressable Bus Converter 2 | INSTALLATION | GEOKON...
  • Page 9: Ttl Connection

    Secure the ground strap to the earth ground lug using the brass screw included with the assembly. Attach the other end of the strap to a reliable earth ground point outside of the enclosure. MODEL 8020-38 ADDRESSABLE BUS CONVERTER | INSTALLATION | 3...
  • Page 10: Usb Connection

    Set the desired bit rate in the settings of the host program. Open the connection. The software will write the new bit rate to the Converter’s non-volatile memory. The new bit rate will serve as the default bit rate after the next power-up. 4 | INSTALLATION | GEOKON...
  • Page 11: Using Terminal Emulation

    FIGURE 6: TTL Inversion ON/OFF switch Re-assemble the Converter by following the previous steps in reverse. For your convenience this setting can be applied by prior to shipping GEOKON out the Converter. MODEL 8020-38 ADDRESSABLE BUS CONVERTER | INSTALLATION | 5...
  • Page 12: Using The Addressable Bus Converter

    USING THE ADDRESSABLE BUS CONVERTER The 8020-38 Addressable Bus Converter automatically detects the connection type. The USB connection always takes precedence over the TTL connection, so the USB port must be vacant when the converter is intended for a TTL connection.
  • Page 13: Appendix A. Specifications

    Flush/Textured Cover, PCB Mounting Bosses TABLE 2: Device Specifications 4.8 mm (0.190") 25.6 mm (1.007") (3.500") 13.9 mm 88.9 mm (0.547") 64.6 mm (2.545") 6.9 mm (0.274") 76.2 mm (3.000") FIGURE 7: Device Dimensions MODEL 8020-38 ADDRESSABLE BUS CONVERTER | SPECIFICATIONS | 7...
  • Page 14: Appendix B. Installing Usb Drivers

    APPENDIX B. INSTALLING USB DRIVERS B.1 WINDOWS 10 Model 8020-38 Addressable Bus Converter uses the USB drivers GEOKON that are native to Windows 10, so no driver installation is needed. Simply connect the USB cable from the Converter to the PC.
  • Page 15: Figure 9: Browse My Computer

    In the next window, select 'Let me pick from a list of device drivers on my computer'. FIGURE 10: Select "Let me pick from a list of device drivers on my computer" Click 'Next'. MODEL 8020-38 ADDRESSABLE BUS CONVERTER | INSTALLING USB DRIVERS | 9...
  • Page 16: Figure 11: Select All Device Types

    10. In the following window, select 'Have Disk'. FIGURE 12: Click 'Have Disk' 11. In the new 'Install From Disk' window that displays, select 'Browse' and direct it to the .INF file provided in the driver package. 10 | INSTALLING USB DRIVERS | GEOKON...
  • Page 17: Figure 13: Locate The Inf File

    12. Select the .INF file and click 'Open'. FIGURE 14: Open the .INF File 13. Back in the 'Install From Disk' window, select 'OK'. FIGURE 15: Click 'OK' to Confirm Directory MODEL 8020-38 ADDRESSABLE BUS CONVERTER | INSTALLING USB DRIVERS | 11...
  • Page 18: Figure 16: Select Driver

    14. Click 'Next'. FIGURE 16: Click 'Next' to Select Driver 15. If an 'Update Driver Warning' appears, click 'Yes'. FIGURE 17: Confirm Installation 16. In the 'Windows Security' window that appears, click 'Install'. 12 | INSTALLING USB DRIVERS | GEOKON...
  • Page 19: Figure 18: Install Drivers

    17. Finally, click 'Close'. Confirm in the Windows Device Manager that the Addressable Bus Converter appears under 'Ports (COM & LPT)' as a USB-485 Converter'. GEOKON FIGURE 19: Verify Addressable Bus Converter Appears in Device Manager MODEL 8020-38 ADDRESSABLE BUS CONVERTER | INSTALLING USB DRIVERS | 13...
  • Page 24 GEOKON Phone: +1 (603) 448-1562 GEOKON 48 Spencer Street Email: info@geokon.com is an ISO 9001:2015 Lebanon, New Hampshire Website: www.geokon.com registered company 03766, USA...

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