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Cyber Sciences STR-100 Instruction Bulletin

Satellite time reference
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INSTRUCTION BULLETIN
User's Guide
Satellite Time Reference
  S TR-100
Power Reliability and Energy Efficiency.
IB-STR-01
March-2023
Enabled.
SM

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Summary of Contents for Cyber Sciences STR-100

  • Page 1 IB-STR-01 March-2023 INSTRUCTION BULLETIN Satellite Time Reference   S TR-100 User’s Guide Power Reliability and Energy Efficiency. Enabled.
  • Page 2 IB-STR-01 INSTRUCTION BULLETIN March-2023 STR-100 Satellite Time Reference www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.

  • Page 3: Table Of Contents

    0 – Set Output Protocol ------------------------------------------------------ 19 Summary of all Default Values --------------------------------------------- 19 5—OPERATION ----------------------------------------------------------- 21 Normal Operation ------------------------------------------------------------- 21 Indicator LEDs ----------------------------------------------------------------- 21 6—SPECIFICATIONS ---------------------------------------------------- 22 7—Frequently Asked Questions (FAQs) ------------------------- 23 www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.
  • Page 4 Failure to follow these instructions can result in death or serious injury. NOTE: Electrical equipment should be serviced by qualified personnel. No responsibility is assumed by Cyber Sciences for any consequences arising out of the use of this material. This document is not intended as an instruction manual for untrained persons.

  • Page 5: 1-Introduction

    (GPS) technology to provide a highly-accurate date/time reference for Sequence of Events Recording (SER) and other critical power appli- cations. The STR-100 accepts an input from a Trimble Acutime 360 “smart antenna” or an amplitude-modulated (AM) IRIG-B source and outputs a time reference signal accurate to +/- 50 microseconds using standard time protocols: DCF77 and 1per10 (base model) or unmodu- lated IRIG-B (model STR-100/IRIG-B).

  • Page 6: Theory Of Operation

    Satellite Time Reference, DCF77 and 1per10 output STR-100/IRIG-B Satellite Time Reference, unmodulated IRIG-B output STR-IDM IRIG-B Distribution Module for STR NOTE: For information about the STR-100/IRIG-B or STR-IDM, refer also to instruction bulletins IB-STR-02 and IB-IDM-01, respectively. www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.

  • Page 7: 2-Installation

    2—INSTALLATION Mounting Considerations The STR-100 can be set on a flat surface, mounted to a wall or panel using screws, or DIN-rail mounted to a wall or panel using the DIN-rail mounting kit provided. Figure 2-1 shows STR dimensions. Figures 2-2, 2-3 and 2-4 detail the various mounting options.

  • Page 8: Din-Rail Mounting

    IB-STR-01 INSTRUCTION BULLETIN March-2023 STR-100 Satellite Time Reference DIN-Rail Mounting The STR-100 is suitable for DIN-rail mounting as shown below. The DIN-rail mounting kit (plastic support brackets) are provided. Feet DIN rail Figure 2-2. STR-100 mounting on standard DIN rail...

  • Page 9: Wall / Panel Mounting

    IB-STR-01 STR-100 Satellite Time Reference March-2023 Wall / Panel Mounting The STR-100 has slotted screw holes on the bottom and rear that may be used to mount the device to a wall or fl at panel. INCHES (millimeters) Figure 2-4. Wall / panel mounting of STR-100 www.cyber-sciences.com...
  • Page 10 IB-STR-01 INSTRUCTION BULLETIN March-2023 STR-100 Satellite Time Reference www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.

  • Page 11: 3-Wiring

    1per10 1per10 1per10 1per10 DCF77 up to 16 devices EZC-DCF77 DCF77 DCF77 DCF77 SER 32 Fig. 3-2. Typical GPS system architecture showing STR-100 with DCF77 and 1per10 time sync output signals www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.

  • Page 12: Wiring Control Power

    Ground (green-wire ground) + 24Vdc Figure 3-3. Control power connections The STR-100 provides two time protocol outputs. Channel one is set to Time Protocol Output output DCF77 and channel two is user-confi gurable for either DCF77 (default) or one-pulse-per-ten (or “1per10”). Each output channel provides a 24Vdc pulse-width modulated signal with the ability to source 500mA.

  • Page 13: Gps Antenna Interface

    IRIG-B source (e.g., GPS receiver) to the IRIG-B input on the STR-100. The IRIG-B input on the STR-100 is a female BNC connector. Refer to the manual for the IRIG-B generator supplying the time reference signal to the STR-100 for recommended cable type and length limitations.

  • Page 14: Configuration Port

    Reset Button The STR-100 has a reset button that may be used to interrupt normal operation and re-start operation. Use a small instrument such as a paper clip to depress the reset button through the pin hole located on the front of the unit between the two columns of LEDs.

  • Page 15: 4-Setup

    March-2023 4—SETUP Configuring the STR The STR-100 provides a terminal interface for confi guration of the STR and the Acutime smart antenna parameters. The STR user interface can be accessed by connecting a PC running HyperTerminal (or equivalent). Using a null modem cable, connect a PC to the STR-100 Note: The original HyperTerminal utility COM 1 serial port, and confi gure HyperTerminal for DTE, 19.2 kbps...

  • Page 16: Set Year (Irig Source Only)

    — the year supplied by the antenna is used instead.) The default value for year is the year of STR-100 manufacture. The year must be in the range 2002 - 2047. If a two-digit number is entered (02 to 47), the STR-100 automatically adds 2000 before validation.

  • Page 17: Set Daylight Saving Time

    00:00:00 00/00/0000 00:00:00 00/00/0000 00:00:00 00/00/0000 00:00:00 Press ESC to return to main menu, or enter table update commands (‘h’ for help). CMD? Figure 4-4. Set Daylight Saving Time (Summer Time) www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.

  • Page 18: Set Parameters To Factory Values

    Figure 4-5. Daylight Saving Time – Help Screen 4 – Set Parameters to Factory Values This item sets parameters in the STR-100 back to factory defaults. (Refer to table 4-1 for a summary of all default values.) None of the antenna parameters are affected by this action.

  • Page 19: View Parameters

    INSTRUCTION BULLETIN IB-STR-01 STR-100 Satellite Time Reference March-2023 5 – View Parameters This menu item displays an overview of all STR-100 setup parameters. View Parameters Local Time Offset = 00:00 IRIG year = 2002 Channel 1 = DCF (Not selectable)

  • Page 20: Watch Gps Input

    A screen shot of each of the Acutime menu items is included in this section. Acutime Main Menu 1 = View Status 2 = Set Self-Survey Parameters 3 = Perform Self-Survey 4 = Factory Reset ESC = Exit Selection: Figure 4-10. Acutime Main Menu www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.
  • Page 21 Survey size must be in the range 100 - 3000. The default factory value is 2000, and the recommended value is 600 for quicker surveys. Enter survey size (or ESC to exit): Figure 4-12. Acutime – Set Survey Parameters www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.

  • Page 22: Error Counts

    Performing this reset is NOT RECOMMENDED! This reset will prevent the Acutime antenna from functioning properly, and will require the antenna be returned to Cyber Sciences for re-programming. Acutime - Factory Reset This function instructs the Acutime to perform a factory reset.

  • Page 23: Set Output Protocol

    Summary of all Default Values Depending on the application, it may not be necessary to change the default settings of the STR-100. The table below summarizes the default values of all parameters of both the STR and the Acutime GPS antenna (if used).
  • Page 24 IB-STR-01 INSTRUCTION BULLETIN March-2023 STR-100 Satellite Time Reference www.cyber-sciences.com © 2023 Cyber Sciences, Inc. All rights reserved.

  • Page 25: 5-Operation

    March-2023 5—OPERATION Normal Operation When the STR-100 is powered up, it searches for a valid GPS data source. If an Acutime antenna signal is not detected, the STR continues checking for an IRIG-B signal. If neither signal is detected, it continues to check for each type of source until one is detected.

  • Page 26: 6-Specifications

    ● Radiated immunity EN 61000-4-3 The STR-100 is designed to operate properly on any voltage between 11 and 28 Vdc. Whatever voltage is  supplied will be the same as the output on the two DCF77 outputs. The maximum burden is largely a function of the load imposed on the two DCF77 outputs. The typical burden of ...

  • Page 27: 7-Frequently Asked Questions (Faqs)

    A. Yes. Pomona makes a BNC-to-screw-terminals adapter that is compatible with the STR. The Pomona part number is 1296 and can be purchased from many electronics distributors. It can also be purchased from Cyber Sciences (CSI part number BNC-2W). Q. Do I have to reset the Acutime antenna parameters after a power loss? A.
  • Page 28 The service mark, “Power Reliability and Energy Effi ciency. Enabled.”, CyTime, and the Cyber Sciences stylized logo are trademarks of Cyber Sciences. All other trademarks are the property of their respective owners. RoHS Lead-Free Doc. no: IB-STR-01 Mar-2023 (supersedes doc. dated Jan-2022) Cyber Sciences, Inc.

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