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SOFTLINK NB-IR-V Instruction Manual

Wireless communication system nb-iot
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WIRELESS COMMUNICATION SYSTEM
NB-IoT
NB-IR-V
Revision 1.0
SOFTLINK s.r.o., Tomkova 409, 278 01 Kralupy nad Vltavou, Czech Republic
Phone.: +420 315707111,
e-mail:
sales@softlink.cz,
www.softlink.cz

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  • Page 1 WIRELESS COMMUNICATION SYSTEM NB-IoT NB-IR-V Revision 1.0 SOFTLINK s.r.o., Tomkova 409, 278 01 Kralupy nad Vltavou, Czech Republic Phone.: +420 315707111, e-mail: sales@softlink.cz, www.softlink.cz...

  • Page 2: Table Of Contents

    2 Overview of Technical Parameters 3 Configuration of the NB-IR-V module 3.1 Setting NB-IR-V module parameters using a configuration cable ....
  • Page 3 ....... . . Forms of the NB-IR-V module in the ”SOFTLINK Configurator” application .

  • Page 4: Introduction

    NB-IoT service of the mobile operator (hereinafter ”INFO message”). The NB-IR-V module can be used for reading up to 6 electricity meters located in its vicinity (up to a maximum cable length of 3 meters). From each electricity meter, the content of up to four registers can be read, whose addresses are preset according to the conditions of the distributor or market regulator.

  • Page 5: Module Features

    Module Features The NB-IR-V module is enclosed in a moisture-resistant plastic box (IP65 protection) and is suitable for use in both indoor and outdoor environments. The box is designed for wall mounting or mounting on any structural element (beam, pipe...).

  • Page 6: Overview Of Technical Parameters

    Overview of Technical Parameters An overview of the technical parameters of the NB-IR-V module is given in Table 1. Table 1: Overview of technical parameters of the NB-IR-V module NB-IoT Transmitter Parameters Frequency band 800 MHz (RX/TX) 791-821 / 832-862...

  • Page 7: Configuration Of The Nb-Ir-V Module

    Setting NB-IR-V module parameters using a configuration cable The following part of the manual describes those parameters of the NB-IR-V module whose current value can be determined by directly connecting the module to a PC using a configuration cable and possibly changed by configuration commands (configuration ”from the command line”).
  • Page 8 Conf. version : 2 SW version 1.07, date Jan 10 2023 The initial section of the configuration parameter listing displays information about the module’s communication system settings and some other setting parameters, the meaning of which is described below. NB-IR-V...

  • Page 9: Overview Of Nb-Ir-V Module Configuration Commands ("Help")

    The procedure for setting individual parameters and detailed explanation of their meaning can be found below. 3.1.2 Overview of NB-IR-V module configuration commands (”HELP”) We display an overview of configuration commands (”HELP”) and their parameters by entering the ”?” command into the command line and pressing the ”ENTER”...

  • Page 10: System Commands" Group For General Diagnostics

    ”deb”, ”ta”, ”mb”, ”du addr”, ”rw addr”, ”rb addr”, ”rd addr”, ”sw addr val”, ”sb addr ” val”, ”tshort”, ”tlong”, ”port”, ”ppm” and ”at” are used for troubleshooting and repair of the device in a factory. Manufacturer strongly recommends not to use these commands during common operation. NB-IR-V...

  • Page 11: Configuration" Group Of Commands For Writing Of Configuration

    The command ”reset” performs the module reset. After each reset the system starts with the parameters that are stored in FLASH memory. If the current configuration should be used after reset, it is necessary to store it into the NB-IR-V...
  • Page 12 By using of ”info” command the basic identification information of the module can be displayed (including SIM info). The content of module label QR-code information displays in the ”QRCODE” section. This command can be used during initial setting and module diagnostics. Example: NB-IR-V...
  • Page 13 Commands for setting communication with electricity meters The NB-IR-V module reads data from the internal registers of the connected electricity meter through the optical interface of the meter, to which it connects via the IR-15 optical head. The optical head is connected with a four-wire cable to the input terminal block of the module.
  • Page 14 IEC 62056-21 standard for the given index. This command associates the electricity meter index from the range (0 to 5) in the NB-IR-V module configuration with a specific electricity meter. The module uses the OID identifier to address the query to a specific electricity meter.
  • Page 15 Therefore, if multiple electricity meters are connected to the NB-IR-V module and bus identifiers are not entered for all of them, data cannot be read. In case the bus identifiers are unknown or the electricity meter does not respond to them (i.e., they are not stored in the electricity meter configuration), only one electricity meter can be connected to the NB-IR-V...

  • Page 16: Commands For Setting Communication With The Nb-Iot Network

    (so-called ”APN” = ”Access Point Name”), reserved for the given virtual network within the GSM network. The APN name is assigned to virtual network operators by the GSM network operator. We cancel the APN setting by entering the value ”.” (dot). NB-IR-V...
  • Page 17 Example of setting the APN name to ”cms.softlink”: cfg#apn cms.softlink APN changed from ’’ to ’cms.softlink’ cfg#apn APN is : ’cms.softlink’ cfg# The current setting of the target server and communication gateway is displayed in the configuration listing as follows: Server IP : ’92.89.162.105’...

  • Page 18: Commands Of The "Utils" Group For Setting And Checking Basic Module Functions

    The ”Periode” variable is used to set the period of spontaneous sending of information messages. For the NB-IR-V module, this parameter is always set with indices 0 to 6, which have the following meanings: values with indices 0 to 5 are used to set message sending from individual electricity meters in ”online”...
  • Page 19 After turning off encryption, the information ”Data will be unencrypted” will be displayed in the parameter listing (see paragraph 3.1.1). To reduce the number of transmissions (saving battery capacity), the NB-IR-V module allows sending a larger number of previously read values in one message. Such a message then does not contain current measured values, but a set of previously measured values stored in the internal memory of the module (hereinafter ”historical read-...
  • Page 20 One NB-IR-V module can simultaneously connect electricity meters with reading in ”online” mode and in ”history” mode. If we set the value ”periode a x” for the electricity meter with index [a], it is read in ”online” mode with period ”x”.
  • Page 21 Given that the NB-IR-V module can send not only the current counter value but also ”historical” values stored in memory, it must have the correct real-time value (”RTC”) set so that the exact time of measurement can be registered for each stored value.
  • Page 22 Change manuf info from : ’’ to : ’NB-X 123456’ mon# In the ”Utils” section of ”HELP” list there are the ”ppm”, ”xtset” and ”xmco” commands, that are intended only for module initial setup and diagnostics. It is recommended not using these commands during operation. NB-IR-V...

  • Page 23: Setting Module Parameters Using An Optical Converter

    Using the ”BT-IRDA” optical converter, those parameters that are included in some configuration form of the ”SOFTLINK Configurator” mobile application can be set. The current version of the ”SOFTLINK Con- figurator” application supports the configuration of all basic module parameters, as well as performing those basic tests that need to be performed at the installation site.

  • Page 24: Forms Of The Nb-Ir-V Module In The "Softlink Configurator" Application

    Figure 3: Forms of the NB-IR-V module in the ”SOFTLINK Configurator” application The identification form displays basic information about the module (type, modification, serial number, system time) and a button for selecting the configuration form. The administration form displays the module’s operational data (uptime, battery voltage, processor tempera- ture).

  • Page 25: Setting Module Parameters From A Remote Computer Using The Reverse Channel

    (OiD 63 = ”1”). This variable is followed by one or more variables for which a change is requested. The NB-IR-V module performs the setting of the requested parameters (update of the specified variables) and sends back a message of type ”RESPONSE” (OiD 63 = ”4”), which contains the values of the changed variables after the change is made.

  • Page 26: Overview Of Module Configuration Parameters

    Overview of module configuration parameters An overview of the configuration parameters used for user settings of the NB-IR-V module is given in Table ??. The parameters are listed in the table in the same order as they appear in the configuration listing (see paragraph 3.1.1).

  • Page 27: Data Messages Of The Nb-Ir-V Module

    Structure and Types of Module Data Messages The NB-IR-V module is used for reading of electricity meters with ”IrDA” (InfraRed) interfaces and sending the read data to a superior automatic data collection system via the NB-IOT service of a GSM operator.

  • Page 28: Commands For Setting Communication With Electricity Meters

    3765 RSSI Last RSSI value Input value 1 Current status of register C.1.0 45628533 Input value 2 Current status of register 1.8.1 12447 Input value 3 Current status of register 1.8.2 Input value 4 Current status of register 2.8.0 NB-IR-V...

  • Page 29: Description Of Trap Type Message

    3.5.3 Description of TRAP Type Message TRAP type messages are used for immediate sending of information about an event detected by the NB-IR-V module. They contain information about the type of detected event (for example, ”Processor temperature exceeded limit”), which can be supplemented by one or several parameters of the given event (for example, ”Temperature”...

  • Page 30: Principle Of Message Encryption

    - value ”2” - Watchdog reset - value ”3” - Error reset - value ”4” - Power reset Example of a ”TRAP” type message with information that the NB-IR-V module has gone through a ”Warm start” type reset (reset given by a regular command): Index...

  • Page 31: Operating Conditions

    NB-IR-V type radio modules. General operating risks NB-IR-V radio modules are electronic devices powered by their own internal battery, which register the status of connected consumption meter counters. During operation of the device, the following risks are particularly present: 4.1.1...

  • Page 32: The Condition Of Modules On Delivery

    (municipal) authority. Module installation NB-IR-V radio modules are enclosed in plastic boxes with IP65 or IP68 protection, prepared for wall or pipe mount- ing. The battery switch, configuration connector, antenna connector, and terminal blocks for connecting optical heads are located on the printed circuit board, so access to them is only possible after opening the box.

  • Page 33: Detail Of The Nb-Ir-V Module Printed Circuit Board

    Figure 6: Assembly of the NB-IR-V module with a rod antenna Figure shows a detail of the module’s printed circuit board with the location of the configuration connector (outlined in red), the 169 MHz radio antenna connector (marked in blue), the terminal block for connecting optical heads (marked in purple), and the battery switch (marked in yellow).

  • Page 34: Connecting The Optical Head To The Nb-Ir-V Module Terminal Block

    Figure shows a detail of connecting the IR-15 optical head to the module’s terminal block. Figure 8: Connecting the optical head to the NB-IR-V module terminal block The case consists of two parts: module housing, into which the printed circuit board is inserted. This part of the case has a label, a window for magnetic attachment of the USB-IRDA/BT-IRDA converter, a cable gland, and mouldings for mounting the module;...

  • Page 35: Connecting Multiple Optical Heads Using A Distribution Terminal Block

    - that the joint between the two parts of the case is sealed with an undamaged rubber seal (included in the delivery). After installation, record the status of the read electricity meters in the installation protocol and possibly verify once again the functionality of the module and the correctness of the module’s output values (whether they correspond to NB-IR-V...

  • Page 36: Replacement Of The Module And Replacement Of The Read Electricity Meter

    All optical heads must be attached to the electricity meters so that the cable to the optical head points straight down. NB-IR-V...

  • Page 37: Disassembly Of The Module

    When replacing an electricity meter read by the NB-IR-V module, where the reason for replacement is a malfunction of the electricity meter, expired verification period, or other reason on the meter side, proceed as follows: if possible, do not open the module, use the USB-IRDA/BT-IRDA converter and mobile application to rewrite the ”OPTO address”...

  • Page 38: Troubleshooting

    The risk of premature battery discharge can be easily eliminated by respecting the recommendations given in paragraph 4.1.2. Troubleshooting Possible Causes of System Failures During operation of the NB-IR-V device, failures, functional outages, or other operational problems may occur, which can be categorized according to their cause as follows: 5.1.1 Power supply failures The module is powered by an internal battery with a long lifetime.

  • Page 39: Communication Failures With Electricity Meters

    If we fail to read data even after the above checks and actions, we replace individual components (module, cable, electricity meter). Procedure for Determining the Cause of Failure When determining the likely cause of a failure, we proceed as follows: NB-IR-V...

  • Page 40: "Nb Iot Network Communication Failures

    1. If data is not being read from any electricity meter connected to the NB-IR-V module, we recommend checking the functionality of individual subsystems of the module in this order: check the correctness of the module settings in the remote reading system database;...

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