Lumel HT20IoT User Manual

Lumel HT20IoT User Manual

Temperature and humidity monitor for iot applications

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TEMPERATURE AND HUMIDITY MONITOR
FOR IoT APPLICATIONS
HT20
IoT
USER'S MANUAL

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Summary of Contents for Lumel HT20IoT

  • Page 1 TEMPERATURE AND HUMIDITY MONITOR FOR IoT APPLICATIONS HT20 USER’S MANUAL...
  • Page 2: Table Of Contents

    5.1. Messages after Switching the Supply on...................7 5.2. Functions of the button......................8 5.3. Connection of the device – configuration.................9 5.4. Functions of the monitor......................10 5.5. Description of HT20IoT monitor reading field...............10 5.6. Ethernet 10/100-BASE-T......................12 5.6.1. Connection of 10/100 BASE-T interface.................12 5.6.2. Ethernet interface default parameters................14 5.6.2.1.
  • Page 3 HT20IoT-09 User’s Manual 7. Technical data..........................36 8. Ordering code..........................39...
  • Page 4: Application

    HT20IoT-09 User’s Manual 1. Application HT20IoT monitor is designed for continuous measurement and conversion of relative humidity and ambient temperature into a digital form (prot. Modbus TCP/IP , HTTP). The monitor programming is possible with the built-in web server. The monitor has an LCD display field with 2x16 characters.
  • Page 5: What Is Included

    HT20IoT-09 User’s Manual Fig. 1. View of HT20IoT monitor 2. What is included ● HT20IoT monitor 1 pc. ● User’s manual 1 pc. 3. Basic requirements, operational safety In terms of operational safety, the monitor meets the requirements of EN 61010-1.
  • Page 6: Fitting

    HT20IoT-09 User’s Manual 4. Fitting 4.1. Installation HT20IoT monitor is mounted on a wall using a screw connection. The monitor housing consists of an upper and a lower part. Fig. 2 Location of mounting holes 4.2. External connections diagram The monitor has 2 external slots: - Ethernet port 10/100 base-T - DC power socket ɸ5.5 / 2.1 mm...
  • Page 7: Operation

    HT20IoT-09 User’s Manual Fig. 3. View of the upper part of HT20IoT monitor 5. Operation After wiring, mounting and powering the monitor is ready to work with factory settings. The monitor can be programmed using the built-in web server. The following parameters can be programmed in the monitor: Ethernet interface settings, •...
  • Page 8: Functions Of The Button

    HT20IoT-09 User’s Manual Fig. 4. Startup messages of HT20IoT monitor 5.2. Functions of the button The device contains only one physical button for restoring the factory settings or displaying the current IP address of the monitor. This button is located on the connector panel –...
  • Page 9: Connection Of The Device - Configuration

    IP address), open a web browser and in the browser address field type the IP address displayed by HT20IoT. This will display the login screen to log the web server that will allow further configuration - sign up to the administrator account, p. 5.6.3.2.
  • Page 10: Functions Of The Monitor

    192.168.1.X except for the address 192.168.1.19 assigned by default to HT20IoT). After the connection, open your web browser and type in the address field of the browser the default IP address 192.168.1.19. This will display the login screen to log the web server that will allow further configuration - sign up to the administrator account, p.
  • Page 11 HT20IoT-09 User’s Manual Fig. 5 Description of the HT20IoT monitor reading field Table 1, 2 shows the symbols displayed on the LCD, and their meanings. Table 1 Symbol Display mode Meaning constant file system internal memory installed and ready for operation...
  • Page 12: Ethernet 10/100-Base-T

    5.6. Ethernet 10/100-BASE-T HT20IoT monitors are equipped with Ethernet interface for the connection (using RJ45 slot) to a local or global network (LAN or WAN) and the use of network services implemented in the monitors: Web server, FTP server, Modbus Slave TCP/IP, SMTP client.
  • Page 13 ● yellow LED - illuminates when HT20IoT is properly connected to the Ethernet network 100 Base-T, does not light up when HT20IoT is not connected to the network or is connected to 10-Base-T network. ● green LED - Tx/Rx flickers when the monitor sends and receives data, illuminates constantly when data is transmitted In order to connect HT20 to the network the User should use twisted pair cable.
  • Page 14: Ethernet Interface Default Parameters

    HT20IoT-09 User’s Manual Table 3 Conductor Signal Conductor color acc. to standard EIA/TIA 568A EIA/TIA 568B white-green white-orange green orange white-orange white-green EPWR+ blue blue EPWR+ white-blue white-blue orange green EPWR- white-brown white-brown EPWR- brown brown 5.6.2. Ethernet interface default parameters...
  • Page 15: Web Server

    Fig. 7. View of the window to change the parameters of the Ethernet interface 5.6.3 Web Server HT20IoT monitor provides its own Web server that allows remote monitoring of measured values and remote configuration and readout of the monitor status. With the web page the user can: ●...
  • Page 16: General View

    HT20IoT-09 User’s Manual 5.6.3.1 General view Fig. 8. General view of the main website The function of each tile of the website: 1) The view of measurements and after clicking on the tile displaying graphs with trends. 2) Ethernet interface settings.
  • Page 17 HT20IoT-09 User’s Manual 5) Information about the device, giving an individual name to the monitor. 6) Setting the time, LCD display and configuration of our displayed values - the groups of 12 values of any registers of the monitor registers to which we can assign our own name and display them as a separate tile on the website.
  • Page 18: Selection Of Web Server User

    HT20IoT-09 User’s Manual Fig. 10. View of a tile displaying a group of our 12 values 5.6.3.2. Selection of Web server user The monitor has two user accounts for the Web server secured by individual passwords: ● user: ”admin”, password: ”admin” - access to configuration and the preview of parameters ●...
  • Page 19: Messages To The User

    HT20IoT-09 User’s Manual Calling the monitor IP address in the browser, for examplehttp://192.168.1.19 will display the start window in the browser where the user must enter the name and password. Additionally, you can log in to the "guest” account when you select “Login as a guest”...
  • Page 20: Access To The Archive File Through The Web Server

    5.6.3.4. Access to the archive file through the web server HT20IoT allows for access to archive files through the file manager implemented on the web server that allows the user to retrieve and delete individual files. To start the archive file manager, click on the tile Archive, and then click the button Browse arch.
  • Page 21: Logic Alarms

    5.6.3.5 Logic alarms HT20IoT is equipped with 2 logic alarm outputs. Each alarm can operate in one of six modes. Fig. 17 shows the operation of alarm in the following modes: n-on, n-off, on, off.
  • Page 22: Ftp Server

    2 (1) !!! 5.6.4 FTP Server FTP file sharing protocol is implemented in HT20IoT monitors. The monitor acts as a server, allowing clients to access the internal memory of the meter file system. Access to...
  • Page 23: Selection Of Ftp User

    HT20IoT-09 User’s Manual FTP client program should work in passive mode, then the connection is established fully by the client (the client chooses the data port). For file transfer with the monitor it is possible to use maximum one connection at the same time, that is why the maximum number of connections must be limited to "1”...
  • Page 24: E-Mail Service

    The name of the device from which the information was sent. • HT20IoT monitor has a memory buffer allowing for storage of maximum of 20 e-mail messages. If an e-mail can not be sent on a regular basis, for example, due to lack of connection they are queued up one after the other until their number does not exceed 20.
  • Page 25 HT20IoT-09 User’s Manual 1) SMTP server address, for example, "smtp.wp.pl" 2) Address sender, .eg. "MyName@gmail.com" 3) Username registered on the SMTP server 4) The password for the specified account on the SMTP server 5) The name of the first recipient to...
  • Page 26: Modbus Tcp/Ip

    HT20IoT-09 User’s Manual 5.6.6 Modbus TCP/IP HT20IoT monitors allow access to internal registers via Ethernet and Modbus TCP/IP Slave. Modbus protocol functions and structure of the registers are described in points 5.5.6.1 – 5.5.6.3. In order to set up a connection it is necessary to set a unique IP address for the monitor and to set the connection parameters listed in table 5.
  • Page 27: Description Of Implemented Functions

    ● 17 (11 h) - identification of slave device. 5.6.6.2. Map of registers In HT20IoT monitor the data is placed in 16- bit registers. Process variables and parameters of the monitor are located in the address space of registers in a manner dependent on the type of the variable.
  • Page 28: Read-Only Registers

    HT20IoT-09 User’s Manual 5.6.6.3. Read-only registers Value is placed in two successive Writin 16-bit registers. Value is These placed in Unit name registers reado 32-bit Name contain the registers. same data as 32-bit registers of 7500 range. 7000/6000 7500 C Measured temperature...
  • Page 29: Mqtt Protocol

    1 to the address 5005. Data to the server is sent in the form of text in UTF-8 encoding. An example of an HT20IoT publication for the MQTT server is as follows:...
  • Page 30 HT20IoT-09 User’s Manual --HT2x-- - Date 2010-07-05, Time 15:49:46, T=25.06 , RH=45.96 %, DP=12.61 ℃ ℃ AH=10.62 g/m³, UserReg 1=inf, UserReg 2=inf, UserReg 3=inf, UserReg 4=inf, UserReg 5=inf, UserReg 6=inf, UserReg 7=inf, UserReg 8=inf, UserReg 9=inf, UserReg10=inf, UserReg11=inf, UserReg12=inf The first parameter of the published data is the device name (--HT2x--), which can be modified via the website.
  • Page 31: Firmware Upgrade

    5.7. Firmware upgrade HT20IoT monitors implements a feature that allows the user to upgrade the software using a PC. Free eCon software and update files are available on the www.lumel.com.pl. RS-485 to USB converter connected to a computer is needed to...
  • Page 32 RS-485 port must be set in the Communication tab. Then click the icon. Connect. Then click the link Upgrade firmware which will display the window of LUMEL UPDATER (LU) – Fig. 22. Click the Connect button Messages information window contains info about the progress of the upgrade process.
  • Page 33: Measured Values Archiving

    The internal archive can be read, copied and deleted. HT20IoT monitors have file system internal memory of the size of 8GB (memory size of the file system can be increased on request or according to the needs of the manufacturer) to which the data from the internal memory are automatically rewritten in the form of files.
  • Page 34: File System Internal Memory

    Lower threshold of archiving Ar_H - Upper threshold of archiving 5.8.3. File system internal memory HT20IoT monitors are equipped with file system internal memory. FAT and FAT32 file systems are supported. During operation the HT20IoT monitor creates file directories containing historical data..
  • Page 35: Structure Of Archive Files

    HT20IoT-09 User’s Manual - start.txt - date and time of the file system internal memory installation (when the monitor is restarted after power failure) - manual.pdf - current user’s manual - enarch.gif – graphic file with info about alarms / archiving configuration Caution: If these files are deleted, some elements of the website - hints, instructions, may not be displayed;...
  • Page 36: Accessories

    HT20IoT-09 User’s Manual 6. Accessories HT20IoT monitors are available with additional accessories such as D.C. and PoE IEEE 802.3af. power supply units Table 7 shows the available items with their commercial codes. Table 7 No. Accessory Appearance Ordering code Technical data 6 VDC 20-072-00-00094 Voltage: 6 V d.c.
  • Page 37 HT20IoT-09 User’s Manual – calculated quantities: absolute humidity (a) [g/m 3 ] dew point temperature (Td) [°C] Ethernet Interface: 10/100-Base-T - max. number of simultaneous connections Nominal operating conditions: power supply: 6 V d.c. – or PoE IEEE 802.3af power consumption: < 2 VA –...
  • Page 38 HT20IoT-09 User’s Manual Parameters of DC power supply unit (option): – voltage 6 V d.c. ± 5% – maximum power 6W – input voltage 90...253 V a.c. – operating temperature 0...40 – dimensions 63.6 x 29.5 x 45.6 mm – cable length 1.4 m ± 10% –...
  • Page 39 Ethernet), and from external power supply 6 V DC. Coding example: HT20IoT 2100P1 means a monitor supplied through PoE IEEE 802.3af and 6 V DC with 6V DC power supply included in the set in the standard version in the Polish language...
  • Page 40 LUMEL S.A. ul. Sulechowska 1, 65-022 Zielona Góra, Poland tel.: +48 68 45 75 100, fax +48 68 45 75 508 www.lumel.com.pl Export department: tel.: (+48 68) 45 75 139, 45 75 233, 45 75 321, 45 75 386, 45 75 353 fax.: (+48 68) 32 54 091...

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