Topcon B111 Hardware Integration Manual
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Topcon B111 Hardware Integration Manual

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B111
GNSS Receiver Board
Hardware Integration Guide

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  • Page 1 B111 GNSS Receiver Board Hardware Integration Guide...
  • Page 2 B111 Hardware Integration Guide Part Number 1018409-01 Rev A ©Copyright Topcon Positioning Systems, Inc. April, 2017 All contents in this manual are copyrighted by Topcon Positioning Systems, Inc. All rights reserved.

  • Page 3: Table Of Contents

    Minimum Requirements to Run the B111 ....... . . 5...
  • Page 4 Hardware Components and Interfaces ........6 Connector Types .
  • Page 5 Quick-Start to Run the B111 Installed on the Evaluation Board ....24 B111 Evaluation Board Components and Connectors ......26 GNSS Antenna Inputs .

  • Page 6: Preface

    TPS. Windows® is a registered trademark of Microsoft Corporation. The Bluetooth® word mark and logos are owned by Bluetooth SIG, Inc. and any use of such marks by Topcon Positioning Systems, Inc. is used under license. Other product and company names mentioned herein may be trademarks of their respective owners.

  • Page 7: License Agreement

    About This Guide Welcome to the B111 Hardware Integrator Guide! This manual is designed to be a comprehensive hardware guide to the B111 GNSS board. The material in this manual describes the features, hardware components, installation, operation, and specifications of the B111 board.

  • Page 8: Manual Conventions

    This manual is intended for system engineers, system designers, and programmers who are integrating the B111 board to their products to achieve GNSS positioning capabilities. It is highly recommended that installation, commissioning, use, and maintenance of the B111 board are preformed by personnel trained in electronics.

  • Page 9: Revision History

    Initial release of the B111 Hardware Integration Guide. Getting Technical Assistance Should you have any questions about the B111 or experience any problems with this board, contact Topcon OEM Solutions technical support for immediate and comprehensive assistance. Do not attempt to repair equipment yourself. Doing so will void your warranty and may damage the hardware.

  • Page 10: Website

    Website The Topcon Positioning Systems website provides current information about Topcon’s line of OEM products. For more information about OEM products, visit www.topconpositioning.com/oem. P/N: 1018409-01 viii Preface...

  • Page 11: Getting Acquainted

    B110 heritage of compact footprint and low power consumption. Figure 1: B111 Board Before You Start Before using the B111 board, it is recommended to read the following sections. They were especially designed to help you correctly integrate, setup, and operate the board. Preventing Electrostatic Damage The B111 board contains electronic components that are sensitive to electrostatic discharge (ESD).

  • Page 12: Checking The Package Contents

    Checking the Package Contents When you unpack the B111 package, verify that you received all of the items listed in this section. Inspect the B111 board and other items included to ensure that they have not been damaged during shipment. Verify that all components are mounted on the board and appear intact.

  • Page 13: Overview

    NVRAM where they are securely retained for future usage. • File system – A part of the firmware is a Topcon file system that allows you to create, store, retrieve, and delete the raw data files day by day with guaranteed file system integrity.

  • Page 14: Board Layout And Main Hardware Components

    Sleep mode – Minimize power consumption by putting the board in a dormant state and awake it up at a specified GPS time. Board Layout and Main Hardware Components Figure 2 shows the B111 board layout and identifies major hardware components. Figure 2: B111 Layout Table 1 describes component functions and features.

  • Page 15: Block Diagram

    Minimum Requirements to Run the B111 For a basic operation, the B111 requires a power supply with a constant voltage between +3.4 Vdc and  +4.5 Vdc at a loading current of 2 A, corresponding GND connections, a single UART interface, and an active GNSS antenna connection.

  • Page 16: Hardware Components And Interfaces

    Number of rows Number of contacts per row 30 Total number of contacts GNSS Antenna Connectors The B111 uses two GNSS antenna J100 and J101 connectors for connecting GNSS antennas. Table 5. GNSS Antenna Connectors Manufacturer Hirose (http://www.hirose-connectors.com) Manufacturer part number H.FL-R-SMT(10)

  • Page 17: Power System

    “Power” on page Backup Power Rail The B111 board uses the backup power rail to supply the power to an internal real-time clock (RTC) and the Non-Volatile Random Access Memory (NVRAM) when an external power supply has been discharged or removed.

  • Page 18: Usb Device Power Rail

    Design guidelines about power system integration in “Power” on page Power Controls PBTN The PBTN* signal (pin no. 53 on J400) is an active-low input that powers up or down the B111 depending on how long the signal is LOW (GND). Table 7. PBTN* Functions Function...

  • Page 19: Poreset

    PORESET The PORESET* signal (pin no. 28 on J400) is an active-low input that causes the B111 board to enter the reset state. To reset the board, pull the signal LOW (GND) for at least 0.1 second. The PORESET* signal has an on-board pull-up resistor of 10 KOhm to 3.3V and can be left unconnected if unused.

  • Page 20: Rec Led

    • Antenna’s LNA gain should be in the range of 26 dB to 34 dB. • The total attenuation of a cable running between the antenna and the B111 should not be more than 10–12 dB at 1.6 GHz. ≤...

  • Page 21: Uart

    When you are integrating the B111 to your final product, great care should be taken to shield GNSS antenna, its connectors and RF cables within the enclosure from other electronic equipment within the same enclosure. The B111 board incorporates antenna detection circuitry, which senses the amount of current supplied to the antenna’s LNA.

  • Page 22: Usb

    A description of the file system in “File System” on page • GRIL commands used to configure the B111 to record, store, and transfer TPS data files to and from the USB flash memory devices in the GRIL Reference Manual.

  • Page 23: Can

    “Board Specifications” on page Event Marker The B111 can accurately record the time that an external event occurs in the specified reference time. You can program the period, offset, edge, and reference time of the event marker signal using the GRIL commands. The source of events may be a digital camera, sounding equipment, etc.

  • Page 24: Sd/Sdio

    SD/SDIO The B111 boards includes an SD/SDIO host controller to interface with an SD/SDHC memory card for TPS data recording and storage. The controller supports 1-bit protocol (one data channel) and 4-bit protocol (four data channels) with a built-in 512-byte buffer for read and write.

  • Page 25: Function Control

    Firmware Features Real-Time Kinematic Engine The B111 board incorporates a highly innovative RTK engine developed at Topcon. It offers a host of new features and benefits blended with exceptional processing power. With the new RTK engine, the B111 provides unrivaled positioning system efficient, secure, and appropriate for any real-time application that requires accurate positioning solutions.

  • Page 26: Network-Based Rtk Techniques

    Manual. Enhanced Positioning Engine (DION) DION is an enhanced absolute positioning engine that allows you to use a single B111 to compute smoothed and consistent position solutions. Instead of using instantaneous yet rather noisy pseudorange measurements of an ordinary single point positioning, you can activate the DION engine to get more accurate and reliable results without the requirement of any additional hardware or software.

  • Page 27: Satellite Based Augmentation System (Sbas)

    Manual. File System The B111 board records TPS data to a storage medium with a file system in which files and folders are organized in a hierarchical structure for storage and retrieval. As a storage medium, the B111 supports SD/SDHC cards.

  • Page 28: Option Authorization File (Oaf)

    The B111 supports faster recording rates (up to 100 Hz) but this may lead to a high CPU usage, which in turn will likely affect the overall performance of the board, including the positioning engines and the integrity of recorded files. To reduce the CPU usage and ensure the highest possible data recording rate, consider the following guidelines: •...

  • Page 29: Design Guidelines

    To avoid attaching the connectors incorrectly, locate pin nos. 1, 2, 59, and 60 on the B111 as shown in Table 17 and make sure that these pins attach to the mating connector in your target hardware properly oriented.

  • Page 30: Cooling/Heating Requirements

    Developers area. SD/SDIO • Design an SD card placement as close as possible to the B111 board to minimize trace lengths from the B111 to the SD card connector. Total trace length should not exceed 5 cm (1.97 in). •...

  • Page 31: Approved Sd Cards

    Product Compliance TPS does not consider the B111 to be a finished end product. The B111 must only be used for incorporation into a final product. The user is then responsible for ensuring that the final product has been tested for electromagnetic compatibility and found to comply with the regulation standards before the product can be marketed.

  • Page 32: Using Evaluation Board

    B111 and develop hardware and software solutions for designs based on the B111 board. You can also use the evaluation board as a reference design for development of your hardware in which the B111 is installed. Complete schematics and BOM are available under a Non Disclosure Agreement (NDA) to reduce your development costs and time as well as minimize design risks and test time.

  • Page 33: Connector And Component Locations

    Event 1PPS Figure 5: B111 Evaluation Board Layout Hover the pointer over the desired connector or component. Once the pointer changes to a hand icon, click it. You will be automatically navigated to the page where the selected element is described in detail.

  • Page 34: Quick-Start To Run The B111 Installed On The Evaluation Board

    Figure 6: Mounting the B111 onto the B111EVB Make sure that the B111 board is firmly seated in the place and the J400 connector is inserted to the J106 connector on the B111EVB all the way in for a secure mating contact.
  • Page 35 7. Turn on the B111 and B111EVB boards by pressing the ON/OFF key (SW100) for more than 1 second and less than 3 seconds until the LEDs will light up. The STAT LEDs on the B111 and B111EVB boards will start blinking for each tracked satellite as described in “STAT LED”...

  • Page 36: B111 Evaluation Board Components And Connectors

    GRIL Reference Manual. To turn off the B111 and B111EVB boards, press the ON/OFF key (SW100) for more than 3 seconds and less than 10 seconds until the LEDs go out, then release. B111 Evaluation Board Components and Connectors...

  • Page 37: Power Connectors

    Occupation mode switch is selected in TRU. You can also clear the NVRAM, set all parameters to default values, and power cycle the B111 board using a combination of SW100 and SW102. Here is how you can do this: 1.

  • Page 38: Leds

    Jumpers Figure 15: Both jumpers are placed over pin nos. 2 and 3 of J210 and J211. On the B111, pin no. 71 will function as UART5_RTS and pin no. 72 as UART5_CTS. You can identify pin no. 1 of each interface or jumper by looking at the back side of the B111EVB. Pin no.

  • Page 39: Interface Connector

    Interface Connector The interface connector J106 connects the B111EVB with the B111. The connector is a 60-pin header of Hirose DF17 series, part number DF17(2.0)-60DP-0.5V(57). Table 18 gives pin assignments of the interface connector J106. Figure 16: B111EVB Interface Connector Table 18.
  • Page 40 +3.4...+4.5 V Primary power supply input Ground PWR_IN +3.4...+4.5 V Primary power supply input Ground PWR_IN +3.4...+4.5 V Primary power supply input Ground Further Reading: Evaluation board schematics on “B111EVB Schematics” on page P/N: 1018409-01 B111 Evaluation Board Components and Connectors...

  • Page 41: Test Pads And Points

    VBAT rail, which extends directly to the VBAT pin no. 51 on the J106 connector. You can use these two test points to measure the current drawn by the connected B111 board when an external power supply has been discharged or removed.

  • Page 42: Uart Interfaces

    • Evaluation board schematics on “B111EVB Schematics” on page • GRIL commands used to configure the B111 to record, store, and transfer TPS data files to and from the USB flash memory devices in the GRIL Reference Manual. P/N: 1018409-01...

  • Page 43: Can

    If you do not need a CAN termination resistor, remove the jumper. Figure 21: CAN Interface Further Reading: • A description of the CAN functionality on the B111 board in “CAN” on page • General design guidelines in “General Guidelines” on page •...

  • Page 44: Backup Battery

    Figure 23. The backup battery preserves the contents of the NVRAM and runs the real-time clock when the connected B111 is turned off. The B111EVB uses ether the Tadiran Batteries’ lithium battery TL-4986/P or OmniCel battery ER22G68. These batteries are rated at about 5 years of operation at typical consumption and ambient temperature of 25°...

  • Page 45: Specifications

    Specifications • • • • • • Board Specifications Table 19 provides specifications for the B111 board, including hardware and firmware components. Table 19. B111 Board Specifications Physical Dimensions L: 55 mm x W: 40 mm x H: 10 mm (2.17 in x W: 1.57 in x H: 0.39 in)
  • Page 46 Table 19. B111 Board Specifications (Continued) Communication Interfaces RS-232 interface Number of interfaces Electrical and mechanical Conforms to EIA RS-232 Connection method Point-to-point Transmission mode Full-duplex Baud rate 4800, 9600, 19200, 38400, 57600, 115200 (default), 230400, and 460800 Data length...
  • Page 47 Table 19. B111 Board Specifications (Continued) Event Marker Number of inputs Polarity Positive pulse Input low voltage levels from 0.0 V to +0.8 V Input high voltage levels from +2.0 V to +3.3 V Internal pull-up resistor value 10 kOhm to +3.3 V Pulse width ≥...
  • Page 48 Table 19. B111 Board Specifications (Continued) Supported Messages Binary and ASCII messages; see the GRIL Reference Manual for a list. BINEX 00_00, 01_01, 7E_00, 7D_00, 7F_02, 7F_03, 7F_04 NMEA 0183 GGA, GLL, GNS, GRS, GSA, GST, GSV, HDT, RMC, VTG, ZDA, ROT, GMP, ATT, VHD...

  • Page 49: Connector Specifications

    Connector Specifications The B111 board has a single interface connector for power and data management, and two GNSS antenna connectors. Interface Connector The interface connector is a 60-pin receptacle of Hirose DF17 series, part number DF17(3.0)-60DS-0.5V(57). This connector mates with a Hirose header DF17(2.0)-60DP-0.5V(57).
  • Page 50 Table 20. Interface Connector Pin No. Signal Name Signal Level Description SDAT2B 3.3V SD read/write data line 2 UART6_RXD LVTTL Serial data input to UART 6 Ground UART6_TXD LVTTL Serial data output from UART 6 SDAT1B 3.3V SD read/write data line 1 UART5_RXD LVTTL Serial data input to UART 5...

  • Page 51: Gnss Antenna Connectors

    Table 20. Interface Connector Pin No. Signal Name Signal Level Description Ground UART3_CTS LVTTL UART 3, Clear to Send UART3_RTS LVTTL UART 3, Request to Send UART3_RXD LVTTL Serial data input to UART 3 UART3_TXD LVTTL Serial data output from UART 3 VBAT 0...+3.6V Backup power supply...

  • Page 52: Mechanical And Schematic Drawings

    Mechanical and Schematic Drawings B111 Dimensions Figure 26 shows overall dimensions of the B111 board with the relative dimensions of the connectors and mounting holes. All values are given in millimeters. Figure 26: B111 Mechanical Drawing P/N: 1018409-01 Mechanical and Schematic Drawings...

  • Page 53: B111Evb Schematics

    B111EVB Schematics The following schematics show circuit components of the B111EVB and how they are electrically connected. P/N: 1018409-01 Mechanical and Schematic Drawings...
  • Page 54 P/N: 1018409-01 Mechanical and Schematic Drawings...
  • Page 55 Specifications subject to change without notice. All rights reserved. 1018409-01 Rev A 04/17 ©2017 Topcon Corporation...

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