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hopf 6038 Technical Description

Gps-clock as 8 bit isa pc-board
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Technical Description
GPS-Clock as 8 Bit ISA PC-Board
6038
version 03.01
09.08.99

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Summary of Contents for hopf 6038

  • Page 1 Technical Description GPS-Clock as 8 Bit ISA PC-Board 6038 version 03.01 09.08.99...
  • Page 2 Elektronik Company Info hopf_ _ hopf Elektronik Nottebohmstr. 41 58511 Lüdenscheid Post box 1847 58468 Lüdenscheid tel.: ++49 (0)2351 / 938686 fax: ++49 (0)2351 / 459590 internet: http://www.hopf-time.com e-mail: info@hopf-time.com version 03.01 page 2...

  • Page 3: Table Of Contents

    Table of Contents CONTENTS Page 1 Brief Information Model 6038 2 Introduction 3 Starting the Radio Clock Circuit Board 6038 3.1 Antenna Installation 3.2 Coaxial Cable Installation 3.3 Reception Frequencies 4 Setting by Means of SERVICE. EXE 4.1 Time, Date, Status Information and Reception Quality 4.2 Initialising the GPS Reception Unit...
  • Page 4 Elektronik Table of Contents - continued version 03.01 page 4...

  • Page 5: Brief Information Model 6038

    The hopf hopf_ _ system 6038 is a further development of the DCF77 radio controlled clock 6036. The measurements are the same as the standard format for a short 8-bit ISA bus board. The follow- ing construction features were particularly focused on: •...

  • Page 6: Introduction

    _ DCF77 radio controlled clocks can be controlled from here. 3 Starting the Radio Clock Circuit Board 6038 When installing the radio controlled clock the computer and all the connected devices should be switched off. Open the computer housing, plug the radio controlled clock into a vacant extension space (8-bit ISA slot), connect the antenna and the clock is ready for operation.

  • Page 7: Coaxial Cable Installation

    The cable is connected to the clock device at the BNC connector of the unit. The standard hopf_ _ length of the antenna cable is max. 25 m (hopf special cable up to 70 m). If the cable is longer (up to 150 m) a GPS power amplifier must be looped into the antenna cable.

  • Page 8: Setting By Means Of Service. Exe

    Elektronik GPS PC-board 6038 4 Setting by Means of SERVICE. EXE The programme "SERVICE.EXE" serves to supply the radio controlled clock with initialising data and to check the clock functions. The programme comes in with the following menu.
  • Page 9 Elektronik GPS PC-board 6038 Supervising the reception quality Structure of display mode 2 from main menu 4 base address = Hex : 0280 milliseconds : 293 ---------------------------------------------------------------------- zone hour minute second day of week month year ---------------------------------------------------------------------- ST/WT...

  • Page 10: Initialising The Gps Reception Unit

    Elektronik GPS PC-board 6038 4.2 Initialising the GPS Reception Unit To speed up the initial synchronisation the service programme can be used to set the time, date and the position data at the place of use. If required also the points of changeover for summer and daylight saving time must be entered.

  • Page 11: Setting The Position Data

    Elektronik GPS PC-board 6038 4.2.2 Setting the Position Data This function serves to enter the geographical position of the system. This function is helpful for the first installation but not necessary; it shortens the re-initialisation of the GPS-receiver. The...

  • Page 12: Points Of Changeover

    Elektronik GPS PC-board 6038 Please note : After enter a new value, the UTC-time will be calculated new. In this case the clock status is set to zero and time and date must be entered again. 4.2.4 Points of Changeover Points of changeover for changing the local time from summer to daylight saving time can be set under pt.

  • Page 13: Time Decoding 3D / Position Fix

    Elektronik GPS PC-board 6038 Width of the DCF77-Simulation pulses The transmitter DCF77 broadcasts a data string, which transmits the time information with one bit per second. The lowering of the amplitude for 100 or 200 msec codes the digital information (0/1).

  • Page 14: Hardware Setting Base Address

    4.4 Setting the Output Mode and DCF77-Simulation The board 6038 can operate in 4 different modes. The modes differ in their information at dis- posal in the I/O range of the board (see pt. time, date and status information). For more informa- tion about the programming of the clock board and the data at disposal please see appendix "programming manual“.
  • Page 15 Elektronik GPS PC-board 6038 The address range (base address to base address +$0F) contains the time and date informa- tion as BCD or binary values compatible with the clock board 6036. If you are using the hopf hopf_ _ clock drivers "FUNKINST"...

  • Page 16: Setting The Parameterbyte For The Serial Interface

    Elektronik GPS PC-board 6038 4.5 Setting the Parameterbyte for the Serial Interface see appendix serial interface 4.6 Setting the Modebyte for the Serial Interface see appendix serial interface 4.7 Show Points of Changeover, Radio Bit, DCF77-Sim and Evaluation Mode Under point 8 of the main menu the programmed points of change over can be checked.

  • Page 17: Led On The Front Panel

    Elektronik GPS PC-board 6038 5 LED on the Front Panel The synchronisation status can also be checked by means of the LED on the front panel. If the LED flashes at second intervals it means: the clock is in crystal operation...

  • Page 18: Error During The Reception Process

    Elektronik GPS PC-board 6038 8 Error during the Reception Process The reception display in mode 2 of the menu 4 "mode for the data output and DCF77-simulation" can be used to recognise errors in the reception system. The display screen: time, date, status information in the service programme, can detect errors in the reception system.

  • Page 19: Delivery Condition

    The IOCHRDY signal is needed for an error-free data transmission. 9 Delivery Condition The clock board 6038 is delivered with the following settings: • mode 1 - 6036 compatible • local time as basis for the DCF77 pulse output •...

  • Page 20: Description Of The Front Panel Of The Board

    Elektronik GPS PC-board 6038 10 Description of the Front Panel of the Board BNC-antenna connector LED crystal/ radio operation SUB-D connector 9-pole allocation allocation day pulse DCF77 pulse out hour pulse RS232 RxD minute pulse RS232 TxD second pulse...

  • Page 21: Technical Data

    +5 V DC ± 0,5 V (via antenna cable) impedance: 50 Ohm power amplifier: 20 dB max. 25 m - with hopf hopf_ _ length of cable: special. cable 70 m max. 150 m with power amplifier temperature range: -30°...
  • Page 22 Elektronik GPS PC-board 6038 version 03.01 page 22...

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