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Environmental monitoring solutions Alpha-Log User manual...
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Notes on this manual The information included in this manual may be modified without notice. No part of this manual may be reproduced in any form or by any electronic or mechanical means, for any use, without LSI LASTEM’s written permission.
General safety standards ......................12 1.3.2 Mechanical installation and placing ..................12 Disposal............................12 Part 2 ........................13 Guide to first starting of Alpha-Log ....................13 2.1.1 3DOM software installation ....................13 2.1.2 Alpha-Log entry in 3DOM ......................14 2.1.2.1 Alpha-Log entry via Ethernet connection ................
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Data delivery to FTP and MQTT server or USB memory ............27 2.2.9 Configuring logics, actuators and alarms ................28 2.2.10 Saving and uploading configuration file to Alpha-Log ............. 29 Connecting probes to Alpha-Log ..................... 30 Connecting ALIEM to Alpha-Log ...................... 31 Check measures acquisition ......................31 Checking operation ..........................
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Logic assigned to a power supply output (actuator) ............58 4.1.10.2 Logic assigned to an action ....................59 4.1.11 Uploading configuration file to Alpha-Log................60 4.1.11.1 Sending via SSH connection ..................... 60 4.1.11.2 Sending via USB pen drive ....................60 4.1.11.3...
Alpha-Log – User manual How to use this manual Use the block diagram on the next page to browse within the different options and features. To facilitate the reading of the manual using electronic devices such as PCs, tablets and smartphones, the references to the various chapters, indicated with the “§”...
Alpha-Log – User manual Flow scheme of the features START 1. 3DOM sw installation on Use of 2. Connection of ALIEM to PC (§2.1.1) ALIEM? the PC and registration of ALIEM SN inside 3DOM (§3.2.1) 3. ALIEM configuraztion (§3.3) 4. Sensors connections to ALIEM (§3.4)
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Alpha-Log – User manual 19. Logics configuration 20. SMS alarm configuration Via SMS? (§4.1.10.2) alarms? (§2.2.9) 21. Mail alarm configuration Via Mail? (§4.1.10.2) 22. Set Delivery time rate in Use Fast Mode? alarm conditions (§2.2.8) 23. MQTT parameters MQTT? configuration (§2.2.6.4) 24.
Part 1 1.1 Introduction Alpha-Log is the latest born of the LSI LASTEM’s data logger family. It contains the most efficient technical solutions assimilated in more than 40 years LSI LASTEM’s experience regarding data acquisition systems. Alpha-Log was created with the objective of being an autonomous acquisition system, but also integrated into more complex systems.
Alpha-Log – User manual 1.2 Instrument description (1) - On/Off switch (2) - I C input (3) - USB ports (4) - Ethernet port (5) - Com1 serial port (modem) (6) - Com2 serial port (ALIEM) (7) - 20x4 characters LCD display...
1.3.2 Mechanical installation and placing Alpha-Log is usually used outdoor inside the appropriate protective boxes. However, indoor use is possible by fixing the instrument on DIN bar or to wall. For its functioning it requires the dedicated power supply or a photovoltaic module with the proper external battery (the charge controller inside the data logger manages the recharging of the 12 V batteries only;...
2.1 Guide to first starting of Alpha-Log Alpha-Log comes with a factory standard configuration. It is made to acquire the atmospheric pressure (the related sensor is built-in) and the battery level. Use the 3DOM software to change the factory configuration.
2.1.2 Alpha-Log entry in 3DOM At the first use it is necessary to insert Alpha-Log in the list of 3DOM tools and import its factory configuration. This can be done by connecting to the data logger via Ethernet (4) or using a USB stick.
2. Using the keyboard (8), enter the PEN DRIVE menu (§5.1.5). This function is accessible after about one minute since the instrument’s ignition. 3. Insert the USB stick in one of Alpha-Log's USB ports (8). By reference to §5.1.4.5.3: 4. Choose Upload config and press , then confirm with .
Modbus Slave device slave device - YouTube If Alpha-Log is connected to ALIEM modules, start first the ALIEMs configuration (§3.3), then configure Alpha- Log unit by importing the measurements from ALIEM to Alpha-Log. In addition to the factory configuration, alternative configuration template models are available (§Alpha-Log configuration templates).
Alpha-Log. When Use a substitutive serial number=YES, this number will be used on the data file instead of the factory serial number. It is possible to set the Alpha-Log name and geographical information. Time zone is needed to assign the time stamp to the measurements.
Alpha-Log – User manual For more information, see §4.1.2 2.2.3 Setup of the log file rows concerning diagnostic information Select System->Diagnostic to set the rows number of the log file which will include diagnostic information. This file becomes available when FTP Authoriy is set (§2.2.6.1).
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Alpha-Log – User manual 1. Select Measures in the Data Logging section and press [Add]. 2. Expand the category (e.g. “Level”) and select the first sensor (5). The program will display its characteristics (6). 3. Scroll the list to find the most similar sensor.
Alpha-Log can acquire the measurements coming from the ALIEM module connected to its RS-232-Com2(6) or RS-485-Com3 port(10). Configuration of each ALIEM module must be imported inside the Alpha-Log configuration. During this procedure the acquisition and elaboration rates are defined for each quantity. Here the instructions in case ALIEM (model MDMMB1110) is connected to Alpha-Log RS-232 Com2.
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Alpha-Log – User manual 1. Select Measures in the Data Logging section and press [Import] (2). 2. From the windows Press [Add]. 3. Select Modbus RTU Master and press [Add]. 4. Set parameters as shown in the figure and press [Ok].
Press [Ok] once completed the selection of the measurements to be imported. The new measurements will be added to the Measurements panel. For more information on the procedure for importing the ALIEM configuration into Alpha-Log, refer to the chapter Alpha-Log import measures of 3DOM - User manual.
Alpha- Log to a WLAN network. If an Internet connection is required and there is no LAN or WLAN network available for Alpha-Log connection, use a 3G/4G modem equipped with appropriate SIM card (having activate data traffic, check the data volume) and configure PPP interface.
If Configuration Authority is enabled, each time the configuration is saved using 3DOM, it is also sent to the same FTP area. In concurrence with every data transfer via FTP, Alpha-Log monitors the FTP area that has been set up as Configuration Authority and, if it detects the presence of a new configuration file, this is automatically uploaded;...
Parameters-Elaboration data delivery time rate. For more information see §4.2.8. The password is visible in the configuration file. LSI LASTEM offers its customers a MQTT service. For more information contact the commercial service by writing to info@lsi-lastem.com. LSI LASTEM SRL...
2.2.7 HTTP and FTP server configuration 2.2.7.1 HTTP server Alpha-Log has an internal http web server. Using an Internet browser, it will possible to access to the http pages made by the data logger. Pages are used for data display, diagnostic information and data download from the memory (§4.2.9).
The password is visible in the configuration file. 2.2.7.2 FTP server Alpha-Log has an internal FTP server. Using an FTP client, it is possible to send files and to access to the internal file system. Example of FTP server configuration.
It is possible to set logics that, upon their occurrence (true / false), will activate an action as: triggering local electrical outputs and messages (SMS, e-mail, MQTT). Alpha-Log is equipped with 3 actuated electrical outputs for triggering external devices such as sensors, modems or alarm devices. Additionally, it can also send e-mails, SMS, and MQTT messages.
Alpha Log detects the irregularity and restarts itself with the last valid configuration. To send the configuration via SSH (Alpha-Log is connected to the PC directly via Ethernet or Wi-Fi): 1. Select the serial number of the instrument and the required configuration from the list Instruments.
For sending the configuration via USB stick or FTP server, see §4.1.11.2 and §4.1.11.3 respectively. 2.3 Connecting probes to Alpha-Log The probes must be physically connected to Alpha-Log according to configurations. It is recommended to create the Configuration Report to identify the physical inputs that are assigned to the programmed probes.
Once the physical connection of the probes has been completed, the instantaneous values can be displayed on 3DOM. The use of the software requires that Alpha-Log is connected to the PC via the Ethernet or Wi-Fi port. If not, check the instantaneous values directly on the data logger display (§5.1.4.1).
Alpha-Log – User manual 1. Make sure the PC is connected to the Alpha-Log Ethernet port (§2.1.2.1). 2. Turn on Alpha-Log using the On/Off switch (1). 3. Startup 3DOM. 4. Select Alpha-Log serial number. 5. Select Communication->Instantaneous values... Values will change with a rate based on Update time rate set in the Sampling section of the specific measurement.
Alpha-Log – User manual 2.7 Check data reception to PC using 3DOM program Using 3DOM, it is possible to receive the data elaborations to the PC. Depending on the type of network interface configured (§2.2.5) and the type of protocol implemented (§2.2.6), it is possible to choose between a direct connection from the data logger, from an FTP site or from a local or network folder.
3.1 ALIEM (Alpha-Log Input Extension Module) ALIEM is a module used to extend the number of sensors managed by Alpha-log. It measures the instant values from the sensors connected (it does not perform any statistical processing) and makes them available to Alpha-Log through the Modbus RTU protocol on the RS-232 port (3).
Alpha-Log #10 - Powering ALIEM - YouTube ALIEM Alpha-Log – ALIEM: ALIEM connection to PC by RS-232 and Alpha-Log #7 - ALIEM connection to PC and new USB adapter and how to place new instrument in 3DOM program - YouTube Instrument in 3DOM program Alpha-Log –...
ALIEM configuration is "imported" into an existing Alpha-Log configuration. The ALIEM configuration process can only be performed via PC directly connected to ALIEM. While Alpha-Log is reachable and remotely configurable, an ALIEM module, even if connected to Alpha-Log, cannot be reached if not disconnected from Alpha-Log and connected to a PC.
3.3.1 Configuring ALIEM sensors 3DOM is provided with a library of LSI LASTEM sensors. Each sensor of the library is already appropriately set to be sampled by ALIEM. Follow the steps below to check if the sensors are available in the library: 1.
5. Set the items of Parameters and Acquired sensor tabs. ALIEM module is not producing any statistical elaboration. All elaborations are made by Alpha-Log using the row data received by ALIEM module (§2.2.4.2). 3.3.3 Saving and uploading configuration to ALIEM 1.
Alpha-Log – User manual 3.4 Connecting the probes to ALIEM The probes must be physically connected to ALIEM according to configurations. It is recommended to create the Configuration Report to identify the physical inputs that are assigned to the programmed probes.
➢ Data configuration update: the exact date and time the instrument received data. The parameters in Device Identifier are editable. These are: ➢ Use an alternative serial code: if set on Yes, Alpha-Log uses Alternative serial code instead of Serial number.
(e.g. for sending data to the FTP site), at the expense of the communication with the external devices. When Alpha-Log’s power voltage is higher than the set high threshold, the data logger works in the selected operative mode (data logger status = Run normal).
Fig. 7 shows Alpha-Log’s operating status depending on the detected battery value, considering the default low and high thresholds, which are 11 V and 11,8 V respectively.
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Fig. 10 – PPP configuration for a TIM SIM example If Alpha-Log has connected to more than one device for its Internet connection, for example a 3G / 4G modem and satellite modem, the respective gateways (routes) for Internet connection must be specified as Preferred gateways.
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Default value: 8.8.8.8. Fig. 11 – DNS server configuration example NTP (Network Time Protocol) is a protocol used for synchronizing the Alpha-log clock using the time obtained through an Internet server. The configured servers are those of the "NTP POOL PROJECT"...
Alpha-Log – User manual 4.1.4 Serial ports Alpha-Log provides four serial ports for the communication with external devices: two RS-232 (Com1 and Com2), one RS-485 (Com3) and one TTL (Com4), to be used as follows: • Com1(5): for the connection to 3G/4G modem only.
Input types from the Measurements acquisition section, then select and open the MODBUS RTU Master type. If it’s not present, add it with the dedicated button. ➢ Communication port: is Alpha-Log’s port where the Modbus RTU device is connected. Com2 connection is RS-232 type; Com3 (§Fig. 2) if it’s RS-485 type.
(50/60 Hz). 4.1.5.2 Tipping bucket rain gauge The Tipping bucket rain gauge is used by Alpha-Log for the acquisition of rain gauges. This type is associated with the Pulse/Freq1 and Pulse/Freq2 inputs of the data logger (§Fig. 2).
➢ A, B, C: they are the correction coefficients for the calculation of the rain intensity measurement. The coefficients are reported in the calibration certificate of the Class A rain gauge. 4.1.5.3 Lightning Sensor The Lightning Sensor type is used for the acquisition of the LSI LASTEM DQA601.1 lightning sensor. It associated to: COM2(4): DQA601.1 (RS-232 port) COM4 (§Fig.
Alpha-Log #21 - Connecting Modbus-RTU RTU sensors sensors - YouTube The Modbus RTU Master type is used by Alpha-Log for the acquisition of sensors with Modbus RTU protocol. It is associated with the COM2(4) and COM3 ports (§Fig. 2) of the data logger.
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➢ Register: it is the register containing the data to be read. The first register starts from the address 0x0000. ➢ Data format: it is the format of the data produced by the sensor. Alpha-Log supports the following formats: o Floating: two 16-bit floating point registers. The byte ordering is defined by the Order of bytes parameter.
Alpha-Log – User manual 4.1.5.6 SDI 12 The SDI 12 type is used by Alpha-Log for the acquisition of sensors with SDI 12 output. It is associated with the COM5 port (§Fig. 2) of the data logger. Under further development.
Alpha-Log – User manual 4.1.5.10 Temperature TI The Temperature TI type is used by Alpha-Log for the acquisition of LSI LASTEM digital temperature sensors. It is associated with the I input(2) of the data logger. This type of input does not require the setting of other parameters.
4.1.8 Using the USB memory stick It is possible to use a USB stick as addition to the internal memory of the Alpha-Log or as a device for files exchanging from data logger to PC or the other way round.
For more information on the files generated by Alpha-Log see §0. 4.1.8.2 Uso come dispositivo di scambio file Using the USB stick, it is possible to upload the Alpha-Log configuration file or to download the data files from the memory. These operations are accessible from the PEN DRIVE menu (§5.1.4.5.3).
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Alpha-Log – User manual Fig. 16 – Example of Threshold comparation logic. It is possible to configure the following: ➢ Name of the logic: this is the name whom it will be reported on the messages SMS, Mail and MQTT.
Alpha-Log – User manual ➢ Lower threshold: it is the value of the lower threshold; it is not available when the More than logic has been chosen. ➢ Hysteresis: it is a value that, depending on the type of comparison chosen, it is added or subtracted from the threshold values, this will avoid continuous activation/deactivation of the logic, when the measurement values are floating around the threshold.
Alpha-Log – User manual 4.1.10 Actuators and alarms Each logic can be assigned to an actuator (Switched power supply output) or to an action (SMS, e-mail, MQTT), or to both of them. 4.1.10.1 Logic assigned to a power supply output (actuator) Logics assigned to power supply output (actuator) are based on the instantaneous value of the measurements, both acquired and calculated.
• SMS: when the logic status occurs, Alpha-Log sends one SMS message to up to 5 users. The function is active only if the data logger works in low consumption mode (§4.1.2) and if a 3G / 4G modem is connected.
Fig. 20 – SSH connection to Alpha-Log with factory IP address example To know the Alpha-Log’s IP address, see §5.1.4.5.1. If the instrument does not have an IP address or it isn’t in the same network as the PC, it is possible to send the configuration through a USB pen drive or check the mode through FTP server.
4.1.11.3 Sending via FTP server Alpha-Log supports FTP protocol for the file transmission in client/server mode. This type of transmission assumes the FTP server to already be configured properly. The FTP server indicated in the configuration must have a checkmark on Configuration Authorities option.
Modbus Slave. 4.2.2 Internal clock/calendar Alpha-Log is equipped with an internal clock with backup battery. This clock is used for elaborations, alarms and system events dating and for the scheduling of other activities such as the processed files transmission on one or more FTP servers, the measures acquisition, the actuators activation, etc.
➢ Sun azimuth (azimuth angle measured from North) Both calculations require the Alpha-Log setting of the geographical position, provided by the latitude and longitude values. These values should however be entered during the stage of configuration of the calculated measure, although they may already have been specified in the registry information (§4.1.1). To trigger the calculation, it is also necessary to define a measure that has the desired acquisition rate.
Alpha-Log – User manual 4.2.3.2 Diffused solar radiation The calculation is based on the fundamental equation expressed by the WMO guide nr. 8 that relates the global, direct and diffuse solar radiation. The formula given is 8.2: where I corresponds to direct solar radiation, ζ is the angle of solar elevation, so I cos(ζ) is the horizontal component of I, G is global solar radiation and D is diffuse solar radiation.
Alpha-Log – User manual The other two types refer to the calculation methods set out in p. 4 of the document “Sunshine duration – Vuerich.pdf”. In particular: Step Algorithm (SA) Carpentras AKA Meteo-France Algorithm (MFA) The first method requires the measurement of global radiation (averaged over one minute) and the angle of elevation of the sun (§4.2.3.1).
Slightly stability F + G Moderately or strong stability There are several methods for calculating the stability classes. Alpha-Log implements that based on global radiation and vertical temperature gradient. It is based on the following table: LSI LASTEM SRL INSTUM_03388...
Alpha-Log – User manual speed is measured 10 meters above the ground. The two temperatures are measured at a height of 2 and 10 meters. Night and day are determined by the measurement of solar radiation. Below 3 W/m is considered night, while above day.
Alpha-Log – User manual Fig. 28 – Example of calculated measurement configuration of type "Dew point temperature" 4.2.3.7 Barometric pressure at sea level (QNH) QNH is the value of the pressure reported at sea level from the one measured at a certain location, considering the standard atmosphere.
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Alpha-Log – User manual Fig. 30 - Example of calculated measurement configuration of type "QNH - WMO Table" The type QNH - ISA, instead, uses the formula ISA nr. 7 indicated in "CIMO/ET-Stand-1/Doc. 10 (20.XI.2012)" (§ Fig. 31). Fig. 31 – Reference to equation No. 7 given in "CIMO/ET-Stand-1/Doc. 10 (20.XI.2012)"...
Fig. 34 - Example of calculated measurement configuration of type "QNH - ICAO" 4.2.3.8 Wind component in aeronautics Alpha-Log calculates the transverse wind component, in the tail and in the bow depending on the angle of the landing strip relative to the North.
Alpha-Log – User manual Fig. 35 – Example of calculated measurement configuration of type "Cross wind" 4.2.4 Elaborations For each acquired or calculated measure, it’s possible to obtain the statistic elaborations with time basis from 1 second to 24 hours. It’s possible to choose one or more of the statistic elements mentioned in the list:...
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= number of considered valid original data (no error) Each measure can have different time basis. If the Penman-Monteith evapo-transpiration calculation is enabled (§4.2.3.4), Alpha-log performs specific processing for this type of calculation whose results are saved in specific files (§4.2.6).
Alpha-Log #19 - How to set data delivery to FTP delivery to FTP servers servers - YouTube Data processed by Alpha-Log (§4.2.4), are included in text files (*.txt). Each file is identified by its name. Default name is composed as follows: Nome: CyyyyMMddhhmmss-Bnn-EyyyyMMddhhmmss.txt...
C20171020081421-B00-E .txt. All files are stored in the folder named with Alpha-Log’s serial number. If serial number is not defined by the user, the number used will be the number defined by the factory (§4.1.1). Below is an example of files processed by Alpha-Log S/N 17110023.
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Alpha-Log – User manual zzzz: is the time zone compared to UTC expressed in seconds. HEADER includes column headers of the processed data: Datetime: is the date the item refers to. Serial: is the instrument S/N. Latitude: is the latitude of the site where the instrument is installed.
Fig. 37 – Header file example 4.2.5.2 Processed data files Data files are generated by Alpha-Log according to the Elaboration data delivery time parameter, specified in 3DOM’s Elaboration Parameters (§4.1.7). Default value is 1 hour. Each data file includes the date the item refers to, followed by the items as described in the header file’s HEADER section.
Date referenced by the data contained (in the example: 20/12/2020) The file is created by Alpha-Log once a day as soon as all the data needed for the calculation is available. Normally this happens shortly after 0:00, or even later, depending on the operating conditions of the data logger (power mode, low battery, etc.).
Example 2: M21030052-C20210527162230-B00-E20210528084000-L20210528084000.SRDT.txt For further information refer to §0. The file, created by Alpha-Log as soon as all the data necessary for the calculation are available, is made up as follows: the number of lines corresponds to the file originally processed...
Every time a new message is published on that topic, the message broker delivers it to all the recipients. To enable MQTT on Alpha-Log use the program 3DOM. First, configure the protocol in the Connectivity section (§4.1.3). In addition to the broker parameters, activate the publication of the desired messages (instant values, processed values, diagnostic data, alarms).
Alpha-Log – User manual 4.2.8.1 How to receive data on a smartphone On the market are available several apps to receive an MQTT broker’s topics. Below is an example with the app MyMQTT for Android. MyMQTT is downloadable on https://play.google.com/store/apps/details?id=at.tripwire.mqtt.client&hl=en.
WEB server is not active by default. To activate it, follow the instructions reported at §2.2.7.1. To connect to Alpha-Log, it is sufficient to set the data logger IP address (§2.2.5) in the address bar of the browser (e.g. http://192.168.0.1) and press Enter.
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In the INSTANT VALUES page are displayed the measures values in table and graphic form. Fig. 43 – INSTANT VALUES page with the instant values visualization In the ELABORATED DATA page it’s possible to download Alpha-Log’s data (*.csv) by specifying the time period.
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Alpha-Log – User manual In the SYSTEMS LOGS page, it’s possible to display the log files generated by Alpha-Log. Fig. 45 – SYSTEM LOGS page for Alpha-Log’s diagnostic LSI LASTEM SRL INSTUM_03388 Page 84 / 116...
Alpha-Log – User manual Part 5 5.1 Keys, Menu and LEDs 5.1.1 Start-up/Shutdown System On/Off is controlled by the On/Off switch (5). On the start-up, the instrument shows product information and, after a few seconds, the measures list in expanded form (measure’s complete name and acquired value). Each sampled value is used to create statistics elaborations.
If being hold for some seconds, turns the display off. 5.1.3 Operating status LEDs On Alpha-Log’s front panel are 3 LEDs that indicates the instrument operative status: Rx/Tx, Wrk, Batt. Rx/Tx This LED, green, lights up when communication activity is ongoing on any serial port.
Alpha-Log – User manual 5.1.4.1 Logging L O G G I > L a s t m e a s u r E v e n t > Last measures In this screenshot are shown, one per line, the configured measures with their last acquired or calculated value.
Alpha-Log – User manual > Events This screenshot shows the circular list of the last 10 events occurred since Alpha-Log’s power-up. d d / M M / h h : m m : 2 8 / 0 6 / 1 2 :...
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- ddddddd: is the number of submitted messages. > Status This screenshot shows Alpha-Log’s operative status. The displayed time considers the time zone. d d / M M / h h : m m :...
Alpha-Log – User manual 5.1.4.3 System SYSTEM menu includes the command to enable Alpha-Log’s specific functions that are disabled if low power mode is activated. It’s also possible to display the instrument’s identification data. The menu shows up as follows: S Y S T E M >...
D H C P R e s t c o n f > Ethernet In this screenshot are shown Ethernet port’s information that identify Alpha-Log in a computer network. C F G : C F G : S T A T I 1 9 2 .
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IP address. If Alpha-Log is connected to the network, it is possible to have its IP address assigned by the DHCP service through this mask.
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5.1.4.5.2 Memory Alpha-Log is equipped with an internal memory where data and programs are stored. It’s possible to extend memory capacity by inserting a USB pen drive in one of the two available ports. The MEMORY menu allows the user to access the two types of memory, showing capacity and occupied space.
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> Upload data files In this screenshot it’s possible to send the processed data saved in Alpha-Log memory to the USB pen drive. S e n d d a t U S B ?
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Alpha-Log – User manual 5.1.4.5.4 FTP servers The FTP SERVERS menu shows configured FTP servers and allows the user to run connection tests. F T P S E R V E R S > L i T e s t >...
Alpha-Log – User manual 5.1.5 Navigation menu structure MAIN Logging o Last measures o Events o Errors Diagnostic o Serial lines o Status o Actuators System o Advanced mode o About… Maintenance o Suspend logging Advanced features o Connectivity ▪...
Check the voltage generated by the photovoltaic panel by using a Voltmeter. Voltage must be at least 17 V for Alpha-Log to charge the battery. 4. If the previous points didn’t resolve the problem, there might be a hardware failure in Alpha-Log. LSI LASTEM SRL...
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2. Alpha-Log might have entered low power mode. To turn the display on press Alpha-Log’s keyboard button ESC (§1.2). 3. Turn Alpha-Log off and on. If the display won’t turn on, there could be a hardware failure in Alpha- Log. ❖ PC won’t communicate with Alpha-Log 1.
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If the measure is acquired from Com2 serial port, to wich an E-Log data logger is connected, make sure that the acquisition rate on the Alpha-Log is less than or equal to 30 seconds since E-log, if not interrogated within this time, itt turns off its serial port.
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1. If Alpha-Log is powered by a power supply and does not have a battery: a. Check the wires that connect Alpha-Log to the power supply. One of these might be loose. b. Check the continuity of the electrical system that the equipment is connected to. In case of occasional lack of power, it’s suggested the use of a backup battery.
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Alpha-Log – User manual a. Check the wires that connect Alpha-Log to the battery and the photovoltaic panel. On of them might be loose. b. Check the battery status. If it’s damaged, replace it. If it’s low, check panel’s efficiency. Alpha- Log charges the battery only if the panel provides at least a 17 V voltage.
6.2 Maintenance Alpha-Log doesn’t need special maintenance if installed as described in §1.3 However, it’s recommended to performs a periodic inspection of the entire system (Alpha-Log and the sensors connected), in order to detect and fix possible measurement errors. 6.3 Contacting LSI LASTEM LSI LASTEM offers its assistance service at support@lsi-lastem.com, or filling out the Request for technical...
Alpha-Log – User manual Alpha-Log configuration templates Type 1 configuration: Alpha-Log + ALIEM Alpha-Log Sensor Quantity DQA230.1 Rain DMA672.1 Temperature+UR DLE041 Ground temperature DQA340 Water content Pressure (internal) Temperature (internal) ALIEM Sensor Quantity DNA121 Wind Speed+Dir DPA154 Global Rad. DQC102...
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00:10 - Min, Med, Max, DevStd 01:00 - Min, Med, Max, DevStd DQC001.15 LEVEL (m) 00:01:00 Last 60 min – Mobile min Last 60 min –Mobile max increase Type 2 configuration: Alpha-Log + AIO (rain) Alpha-Log Sensor Quantity DMA672.1 Temperature+UR% DQC001.15...
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Last 10 min – Mobile tot Last 60 min – Mobile tot 00:10 - Min, Med, Max, DevStd INSideTemp (°C) 00:01:00 On board 01:00 - Min, Med, Max, DevStd Type 3 configuration: Alpha-Log + AIO (radiation) Alpha-Log Sensor Quantity DQA230.1 Rain DMA672.1 Temperature+UR% DQC001.15...
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Alpha-Log – User manual Input Types: Modbus RTU Master Parameter Value Communication port COM2 Speed 115200 Parity None Stop bits Timeout 1000 Retries Connectivity Network interfaces Value Ethernet Static address, IP address: 192.168.0.1, Subnet mask: 255.255.255.0 Wi-Fi Not configured Not configured...
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Alpha-Log – User manual Logic is activated when the last reading of the air AirTemp Inst beyond limit Temperature (Inst) temperature is lower than 35 °C Logic is activated when the last reading of the air AirTemp Inst within limits Temperature (Inst) temperature ranges from 0 °C to 35 °C...
Alpha-Log – User manual Technical specifications Alpha-Log models Code DLALA0100.1 MDMMB1110/ MDMMB1110.1 (optional) Description Alpha-Log data logger ALIEM-Inputs Extension Module Analogic inputs 1 (1 ÷ 2000 mV dc) 8 differentials (16 single ended) Digital inputs 4 (on/off or frequency/counter) RS-232 ports 2 (1 for MDMMB1110.1)
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Alpha-Log – User manual Impulsive / Inputs number frequency inputs on Function 4 frequency inputs/counters/On/off logic state (0 ÷ 3 Vdc): • 2 for optoelectronic sensors, max 10 kHz external optional • 2 inputs max 1 kHz module MDMMB1110 /...
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Alpha-Log – User manual Internal measure Range 300 ÷ 1100 hPa (barometric Resolution Typically 0.084 hPa pressure) Accuracy ±0.15 hPa (@25 °C, 750 hPa) ±0.25 hPa (@-20 ÷ 85 °C, 300 ÷ 1100 hPa) Long term stability ±1 hPa/year Internal measure...
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Type Three levels of memorization for more reliability: 1. 8/16 MB on Flash chip for LSI LASTEM file system 2. 400 MB data on Flash chip with UBIFS file system 3. Up to 32 GB data on USB memory with FAT32 file system...
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Alpha-Log – User manual Power supply Voltage 6 ÷ 30 Vdc • Separated by powering 6 ÷ 30 Vdc: Inputs • From solar panel (17 Vmin); maximum input current 5 A; charge voltage 13.8 V • From battery /power grid; maximum current 5 A Voltage capacity 400 W pulse dissipation’s peak power capacity with 10/1000...
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