R-sensors NDAS-8426N User Manual

6-channel programmable seismic data logger
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6-CHANNEL PROGRAMMABLE
SEISMIC DATA LOGGER NDAS-8426N
User Manual
© R-sensors LLC, 2023
Version 1.0

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Table of Contents
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Summary of Contents for R-sensors NDAS-8426N

  • Page 1 6-CHANNEL PROGRAMMABLE SEISMIC DATA LOGGER NDAS-8426N User Manual © R-sensors LLC, 2023 Version 1.0...
  • Page 2: Table Of Contents

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Contents 1. Introduction ..................6 2. Delivery set and assignment of connectors ..........8 3. Connection ..................10 4. Configuration and operation ..............11 4.1. System status page ................. 12 4.2.
  • Page 3 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 6.9. Profiles tab ..................35 7. GPS and Time program module ............35 7.1. Start of the Module ................36 7.2. Module interface ................36 8. SeedLink server program module ............39 8.1.
  • Page 4 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 13.2 Module control ................62 13.3 Module settings ................63 13.4 Connections list ................65 13.5 Streams list ................... 65 13.6 Directories structure ............... 66 14. NDAS RT antialiasing filters. Decimation..........67 15.
  • Page 5 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru The following designations are used in this manual: - important information - critical information DUE TO THE CONSTANT TECHNICAL IMPROVEMENTS AND MODERNIZATION, THE CHANGES WHICH ARE NOT EXPRESSED IN THIS USER MANUAL MAY BE INTRODUCED IN DESIGN AND SOFTWARE.
  • Page 6: Introduction

    1. Introduction The NDAS-8426N programmable seismic data logger (hereinafter referred to as the ‘data logger’ or the ‘device’) is designed for 6-channel digitization of the analog signal, filtration, analysis, storage and transfer of digital seismic information in continuous mode (real time), upon trigger actuation (trigger mode) or upon operator's request (manual mode).
  • Page 7 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru The data logger contains circuits for powering active seismic receivers and similar low power sensors of physical processes (external analog-to-digital converters, velocimeters, accelerometers, temperature, pressure, humidity sensors, string piezometers, crackmeters, etc.).
  • Page 8: Delivery Set And Assignment Of Connectors

    2. Delivery set and assignment of connectors The delivery set includes:  Programmable seismic data logger NDAS-8426N – 1 pc;  microSD 32Gb drive (installed on the data logger) – 1 pc;  Power cable with a 7-pin socket connector DH-20-J07PE-03-001 – 1 pc;...
  • Page 9 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru In addition the delivery set may include  Wi-Fi SMA-M antenna for installation on the housing ……………………………… ☐  3G/LTE SMA-M antenna for installation on the housing …………………………… ☐...
  • Page 10: Connection

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 3. Connection A unipolar DC source with a nominal voltage of 12 to 48 volts and an output power of at least 10 watts is used for powering the data logger. The permissible range of supply voltage for the main channel varies from 7.5 to 60 V.
  • Page 11: Configuration And Operation

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 4. Configuration and operation To operate the data logger, either a wired (Ethernet) or wireless (Wi-Fi, 3G/4G/LTE) connection is required. The data logger is accessed by the IP address of the device with a proper connection port indicated.
  • Page 12: System Status Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 4.1. System status page Fig. 4.1. System status page NDAS-N. User Manual.
  • Page 13: Configuration Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru The System status page displays basic information about the status of the data logger. The Health section contains information about the current CPU load, power supply voltage and the power consumed by the system, temperature and humidity inside the device and system uptime.
  • Page 14: Modules Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru The following functions are currently available for the data logger:  Enabling and disabling of the Disk Cleanup Service.  Control of the signal source of precise time. Its state displays a source type, time validity and synchronization offset.
  • Page 15: Device Settings Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru  SeedLink Server is a program for implementing the SeedLink server functions. For a detailed description refer to ‘NDAS-RT. SeedLink Server’. Fig. 4.3. Modules page Device settings page 4.4.
  • Page 16: Ndas-Rt Network Model

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 4.4. Device settings 4.5. NDAS-RT Network Model The data exchange with the data logger is based on the NDAS-RT network model. The NDAS- RT network model uses the concept of local network connections when transferring signals between software modules.
  • Page 17 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru The NDAS-RT network model is supplied in the following configuration: The NDAS One Manager module is configured so that signals from the built-in ADCs are output to network port 10000 and the signals from the NDAS device connected to the USB Port 1 connector are output to network port 10001.
  • Page 18: Network Ports Used By Default

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 4.6. Network configuration with an intermediate module 4.6. Network ports used by default Port number Type Purpose Standard port for incoming FTP server connections SSH connections port...
  • Page 19: Onboard Adc Program Module. Adc Configuring

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 5. Onboard ADC program module. ADC configuring The Onboard ADC module is used for viewing status and setting parameters of the data logger’s main and auxiliary ADCs.
  • Page 20: Module Interface

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 5.2. Module interface The module interface has the following tabs: ● Status & Manage testing is a display of the ADC synchronization status and control of the test signal output;...
  • Page 21 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru There is a switch button between the main (main) and auxiliary (env) ADC settings in the middle part of the screen. Fig. 5.2. ADC data connection settings field.
  • Page 22: Main Adc

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 5.4. Auxiliary ADC settings 5.5 Main ADC The main ADC is intended to use for digitalization of seismic signals of the Earth’s natural background during carrying out research by means of both passive and active analog output seismic receivers.
  • Page 23: Auxiliary Adc

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 5.6 Auxiliary ADC The auxiliary ADC is used to measure slowly changing indicators such as temperature, pressure, humidity, wind speed, etc. A short list of characteristics of the auxiliary ADC is given in the table: Sampling rate 0.1, 1, 4 Hz...
  • Page 24: Rt Viewer Program Module

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 6. RT Viewer program module The RT Viewer module is designed to view the waveforms and spectra of real-time signals transmitted via the NJSP protocol. Software for the NDAS-N data logger and the NDAS-RT multifunction module is identical.
  • Page 25: Start Of Operation

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru ● Signal is the main tab that contains windows of the displayed charts and tables ● Buffer is a tab that allows configuring the size of the signal buffer and downloading the data stored in the buffer ●...
  • Page 26: Devices Tab. Device Status View

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru A new connection should show up in the connection list below. If the connection to the NJSP server is successful, the connection status changes to Connected and the Device column displays the device’s serial number and name.
  • Page 27 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 6.3. RT Viewer module. List of available devices and status of channel settings NDAS-N. User Manual.
  • Page 28: Buffer Tab. Buffering And Data Downloading

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 6.6. Buffer tab. Buffering and data downloading Use this tab to manage the data buffer. The signal received by the application is buffered and stored by the browser for the time specified by the Buffer time parameter.
  • Page 29: Signal Tab. Adding And Removing Windows

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 6.7. Signal tab. Adding and removing windows Fig. 6.5. RT Viewer module. Adding a window To get started, you need to add windows using the add chart button. Three types of windows are available such as a waveform, spectral form and table.
  • Page 30 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru ● Chart name – the window name ● Chart position after – the position of the window in relation to the windows added ● Time period – ‘time window’ within which the parameters are calculated or the data are displayed ●...
  • Page 31 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru In addition to the general parameters when adding a waveform window, you can adjust the Y- axis scale of the chart, the width of the chart, and select the black background of the chart.
  • Page 32: Adding Signals To A Window

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru In addition to the general parameters when adding a signal spectrum window, you can set the following parameters: ● X-axis scale – X-axis scale, linear or logarithmic ●...
  • Page 33 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru To add a signal at the bottom of the window, select the device and channel, if necessary, change the color of the chart, click the add button. To remove the signal, click the cross in the upper right corner of the signal card.
  • Page 34 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 6.12. RT Viewer module. Waveform window Fig. 6.13. RT Viewer module. Signal spectra window NDAS-N. User Manual.
  • Page 35: Profiles Tab

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 6.9. Profiles tab Use the Profiles tab to save and upload the user profiles. The windows created by the user with all the settings, signals and their colors as well as buffering settings are saved to the profile. The saved profiles are stored on NDAS-RT.
  • Page 36: Start Of The Module

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru In addition, the information on the time validity as well as on the coordinates of the device (in case of the GPS synchronization) is displayed in the metadata of the NJSP stream of the auxiliary ADC integrated with NDAS-RT.
  • Page 37 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 7.1. GPS and Time module. Module status The Config tab allows configuring the following parameters: ● Set up the timing accuracy threshold ● Select the time source ●...
  • Page 38 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 7.2. GPS and Time module. Configuration during the GPS synchronization Fig. 7.3. GPS and Time module. Configuration during the NTP synchronization NDAS-N. User Manual.
  • Page 39: Seedlink Server Program Module

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 7.4. GPS and Time module. Configuration during the PTP synchronization 8. SeedLink server program module The SeedLink server program module is designed to convert the NJSP streams into the SeedLink protocol as well as to record the data to the internal memory in the miniSEED format.
  • Page 40: Module Configuration Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 8.2. Module configuration page Basic configuration is performed through the module configuration web page. Click the config button on the module status bar to open the page. The page consists of a general Configuration and a Stations list.
  • Page 41: Basic Configuration Of Seedlink Stations

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 8.3. Basic configuration of SeedLink stations The Stations section displays a list of stations and a status message for each station. The Connected message indicates that the module has successfully connected to the NJSP server and is receiving the data.
  • Page 42: Auxiliary Channels

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 8.3. SeedLink server module. Station settings For example, when entering the data as given in the screenshot, the first channel of the data logger will have the full code in the SeedLink system as RU.ND01.00.DNZ.D (where the latter D means the Data type).
  • Page 43: Log Of The Data Logger

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru A complete list of auxiliary channels is given in the table below: Name Channel Description Units of measure voltage Supply voltage temper Temperature of the data logger 1/10°С...
  • Page 44: Quality Of Time Data

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 8.6. Quality of time data The NJSP protocol contains information on the quality of time data in the following form – in each package a time stamp is transferred marking the time of the first count in the package by the data logger’s clock, a drift of the data logger’s time against the true time, and a drift measurement time.
  • Page 45 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru To access the files, open the Cloud9 development environment web interface available on port 3000. By default, the login and password is ‘ndasrt’ / ‘ndasrt’. In the directory tree, uncover the directory ndas_rt/sw_modules/seedlink_server/seedlink Note that the seedlink.ini file which contains the basic program settings and file paths is also...
  • Page 46: Ftp Server Program Module

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru <input channel="G" location="00" name="accel_y" rate="1/10"/> <input channel="H" location="00" name="comp_z" rate="1/10"/> <input channel="I" location="00" name="comp_x" rate="1/10"/> <input channel="J" location="00" name="comp_y" rate="1/10"/> <input channel="K" location="00" name="latitude" rate="1/10"/> <input channel="L" location="00" name="longitude" rate="1/10"/>...
  • Page 47: Module Configuration Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 9.2. Module configuration page The config button in the line of the FTP server module opens a dedicated page of the access rights configuration. Fig. 9.2. FTP server module. Access rights configuration...
  • Page 48: Disk Cleaner Program Module

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru The configuration of the module allows configuring three types of access, each of them can be independently enabled or disabled: anonymous read-only access, password-based access for reading, password-based access for reading and recording.
  • Page 49: Module Configuration

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 10.1. Disk Cleaner module. Enabling and disabling 10.2 Module configuration The module does not have a graphical interface and in most cases the pre-installed configuration does not need to be changed.
  • Page 50: Firewall (Network Screen)

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru  exclude is a list of subdirectories added to the exceptions. It is a directory of the SeedLink server buffer and a log directory by default;...
  • Page 51: Module Configuration Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 11.2 Module configuration page The config button opens a dedicated page of the NDAS-RT firewall configuration. A set of rules can be configured for each network connection. That is, for example, the firewall to protect an Ethernet connection can be configured and the full access for a USB connection and a VPN tunnel can be left.
  • Page 52: Firewall. Ftp Connections

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 11.2. Firewall. Parameters configuring Refer to section 4.5 NDAS-RT Network Model of this Manual for details on the port numbers used. 11.3 Firewall. FTP connections The FTP server uses additional ports to establish connections in a passive mode.
  • Page 53: Ndas One Manager Module

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru ● Blocking of outgoing connections. Any application on the device can send any data to any address; ● Control for which exact application opens and taps the port. For example, if connections to port 18000 are allowed, then a malicious application can open this port for tapping if it has been run earlier than the SeedLink server;...
  • Page 54: Start Of The Module

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru ● Synchronizes the device clock with the NDAS-RT clock (only for devices connected to the specialized NDAS port). ● Provides access to the device's web interface ●...
  • Page 55 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Connecting the device via a specialized NDAS port provides additional advantages compared to the USB connection: ● The data logger’s clock synchronization with the NDAS-RT clock;...
  • Page 56: Ndas One Manager Module Configuration Page

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 12.1 NDAS-RT device configuration If the connection to the device is successful, the data transfer to the NDAS-RT will automatically start and the LED corresponding to the connection port will start flashing.
  • Page 57 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Devices tab The Devices tab displays the status of all connected NDAS-One devices. The main line displays the serial number or device name, data status, and clock synchronization status. On the right side are the details and config buttons.
  • Page 58 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Config tab The Config tab allows setting the configuration of the module. Fig. 12.3. NDAS One Manager module. Config tab ● Accept local connections only This option prevents connections of external network devices to the module. In other words, only programs and program modules of NDAS-RT itself will be able to communicate with the module.
  • Page 59 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru ● USB Ports The following settings are available for USB ports: ○ Enable – activating the port. ○ NJSP Server port number – NJSP port number associated with that port.
  • Page 60 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru ○ Cable delay correction is a correction for a cable length measured in nanoseconds. This correction compensates for the time delay when the NDAS-One device is connected using a long cable.
  • Page 61: Raw Data Logger Program Module (Recording Raw Data)

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Test tab This tab allows testing the quality of the connection through a specialized NDAS port. This tool is useful for remote installation scenarios using long cables. The system tests operation at the speeds of 460800 Baud and 921600 Baud.
  • Page 62: Module Control

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 13.1. Raw Data Logger module. Enabling and disabling 13.2 Module control Use the Manage tab on the module configuration page to select the operation mode.
  • Page 63: Module Settings

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 13. Raw Data Logger module. Control of recording 13.3 Module settings The Settings tab has the module settings: Write to internal SD card is a record into the internal memory card;...
  • Page 64 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru ASCII, Volts (6-digit precision) are a text file, units in Volts, 6 decimal digits (1 µV resolution); ASCII, Volts (9-digit precision) are a text file, units in Volts, 9 decimal digits (1 nV resolution);...
  • Page 65: Connections List

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 13.4 Connections list The Connections tab makes it possible to edit the list of the NJSP servers which the module will attempt to connect to. To add a new NJSP signal source, enter the IP address and the port number of NJSP.
  • Page 66: Directories Structure

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 13.3. Raw Data Logger module. Data status and streams control 13.6 Directories structure The module creates directories according to the following structure: Operating directory ...
  • Page 67: Ndas Rt Antialiasing Filters. Decimation

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 13.4. Raw Data Logger module. Directories structure 14. NDAS RT antialiasing filters. Decimation. To obtain output frequencies from 4000 samples/sec and below, the Recorder's ADC operates at a rate of 8000 samples per second.
  • Page 68 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Table 14.1. Decimation coefficients cascades: Sample rate \ Overall Stage decimation factor 8000 SPS 4000 SPS 2000 SPS 1000 SPS 500 SPS 250 SPS 125 SPS...
  • Page 69: Operating Conditions

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 15. Operating conditions The operating temperature range of the Data Logger is from -40 to + 85°C (-40 to + 185°F). However, it should be taken into account that optionally installed internal and external components can have a narrower temperature range of operating temperatures.
  • Page 70: Information About The Manufacturer

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 18. Information about the manufacturer Manufacturer: R-sensors LLC Office address: 1/4 Likhachevsky proezd, Dolgoprudny, Moscow region, 141701, Russia Phone number: +7 (498) 744-69-95 http://r-sensors.ru/ Postal address: 1/4 Likhachevsky proezd, Dolgoprudny, Moscow region, 141701, Russia Phone number: +7 (498) 744-69-95 r-sensors@mail.ru...
  • Page 71: Technical Specifications

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 19. Technical specifications 19.1 Electrical parameters Supply voltage 12-48 V DC (7.5-60 V permissible) Power consumption Minimal power consumption No more than 1.5 W Typical average 1.6-3,0 W...
  • Page 72: Digital Subsystem Parameters

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Dimensions length x width x height 225 x 160 x 82 (8.86 x 6.3 x 3.2 inch) – housing dimensions Type, housing material ADC-10 aluminum alloy of JIS IP-65 according to IEC 529 19.3 Digital subsystem parameters...
  • Page 73: Analog Subsystem Parameters, Main Adc

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru SPDT Type of alarm relay contacts Normally closed / normally open 250 V AC or Maximum voltage at the alarm relay contacts 220 V DC Test signal generator: signal waveform and amplitude Logic '1' of 3.3 V voltage...
  • Page 74: Analog Subsystem Parameters, Auxiliary Adc

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Maximum input signal at the 1:1 ±4.096 V peak-peak differential voltage divisor and Gain=1 180 kOhm || 2700 pF Input impedance 19.5 Analog subsystem parameters, auxiliary ADC...
  • Page 75 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Wireless connection GSM / 3G / LTE modem creating secondary data streams with a different Filtration module sampling rate Output of harmonic signals of arbitrary frequency and signals of arbitrary waveform.
  • Page 76: Appendix 1. Location Of Connectors And Indication Modes

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru APPENDIX 1. LOCATION OF CONNECTORS AND INDICATION MODES Fig. 1-1. Connectors and indicators NDAS-N. User Manual.
  • Page 77 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Table 1-1. Designations in fig. 1-1 № Designation Power and RS-485 connector ‘POWER’ DH-20-C07SX-03-401 type plug RJ-45 type data interchange socket ‘LINK’ LP-24-J/RJ45/213/SX-43-401 type Antenna connector GPS/GLONASS, SMA-F socket...
  • Page 78 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Table 1-2. LED operation modes Color Operation mode Off – no power, power failure or device malfunctioning. Steady on for the first 2 minutes from the moment when the power POWER status supply is on –...
  • Page 79: Appendix 2. Connectors, Cables, Antennas

    R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru APPENDIX 2. CONNECTORS, CABLES, ANTENNAS Fig. 2-1. Pins for the POWER connector Table 2-1. Designations at Fig. 2-1 № Designation 1 +5V PWR is power supply for sensors on the RS-485 bus, +5 V ±0.1 V, 500 mA maximum in total with the power...
  • Page 80 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 2-2. Pins for the AUX connector Table 2-2. Designations at Fig. 2-2 № Designation CH1-/CH01 AUX ADC input is a ‘-’ input of the first...
  • Page 81 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru AGND is an auxiliary ADC common signal wire (analog ground) +5V PWR is power supply for sensors +5 V ±0.1 V, 500 mA maximum (in total with the power consumption of sensors on...
  • Page 82 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 2-3. Pins for the main ADC connector Table 2-3. Designations at Fig. 2-3 № Designations CH1- (4-) is a ‘-’ input of the first (fourth) channel of the main CH1+ (4+) is a ‘+’...
  • Page 83 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru 10 +12V is a power output of active sensors +12 V ±5%, no more than 200 mA (total with the line is -12 V) 11 -12V is a power output of active sensors -12 V ±10%, no more...
  • Page 84 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 2-5. USB-1 connector pin designations Fig. 2-6. Micro-USB connector pin designations NDAS-N. User Manual.
  • Page 85 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 2-7. LP-24-C/RJ45/015 cable connector plug (cable assembly) Fig. 2-8. USB-A / micro USB-B standard digital cable NDAS-N. User Manual.
  • Page 86 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 2-9. DH-20-С12PE-03-001 type cable plug to connect sensors Fig. 2-10. DH-24-C19PE-03-001 type auxiliary cable plug NDAS-N. User Manual.
  • Page 87 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 2-11. WiFi antenna – connector, appearance (not included in the standard delivery set) (the antenna appearance may differ from the one presented) Fig. 2-12. GPS antenna – connector, appearance...
  • Page 88 R-sensors LLC Bldg. 1, 4, Likhachevsky proezd, Dolgoprudny, 141701, Russia +7 (498) 744-69-95, r-sensors@mail.ru Fig. 2-13 SMA-M / SMA-M adapter (not included in the standard delivery set) Fig. 2-14. SMA-M / RP SMA-M adapter (not included in the standard delivery set) Fig.

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