CONTENTS CONTENTS............................2 1. INTRODUCTION......................6 1.1 Features............................7 1.2 Specifications..........................7 1.3 Applications..........................7 1.4 Norm compliance........................8 2. HARDWARE........................9 2.1 Mechanical Drawing – Overview....................9 2.2 Connectors..........................10 2.2.1 Power.............................11 2.2.2 LAN ............................11 2.2.3 GPS (optional) ........................11 2.2.4 AUX 11 2.3 Display (LCD)...........................12 2.4 Status LEDs..........................13 2.4.1 List of errors and warnings.....................13 2.5 Opening the Lid........................14 2.5.1 3G module..........................14...
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4.6.2 Common Trigger........................72 4.6.3 Common Alarm 1 and 2......................73 4.7 Recording List.........................74 4.8 System warnings........................75 4.9 Rest API............................78 5. OPERATING WITH THE MR3000C/TR................79 5.1 Preparing the MR for field use....................79 5.1.1 Construction site monitoring....................79 5.2 Power Options.........................86 5.2.1 External 12 VDC Battery......................86 5.2.2 Battery Pack...........................86...
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5.2.4 Power over Ethernet.......................88 5.2.5 Combined Power Options......................88 5.3 Additional services.........................88 5.3.1 Embedded SFTP server......................89 5.3.1.1 FireFTP............................. 89 5.3.1.2 Filezilla.............................. 91 5.3.1.3 WinSCP............................. 91 6. Firmware history......................92 Appendix A: Internet access for the MR................93 Appendix B: SAFETY INSTRUCTIONS................95 MR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
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MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
The main instrument is the MR3000C, which is the first system that has been developed and the most known among the customers all over the world. For this reason, in the user manual, its name will appear many times.
Features Major feature are: Compact unit with integrated sensor, digital recorder, wired and wireless connectivity ARM/DSP Technology Removable SD Card storage (up to 32 GB) Integrated Web server Precise timing using NTP (Network Time Protocol), GPS is optional ...
Monitoring of Structures (e.g., Dams, Bridges) Geology – Soil Characterization Earth Science – Earthquake Monitoring Norm compliance The MR3000C/TR can be used to measure vibrations according to the following norms: Construction sites DIN 4150-2 and DIN 4150-3 (Germany) SN 640312a (Switzerland) ...
The MR3000TR has one supplementary connector (AUX) dedicated to the connection to the relays (Figure 2.2.1b). Figure 2.2.1. Front view of: a) MR3000C showing the two sockets for power and LAN; b) MR3000 face with GPS connector; c) MR3000TR showing connectors for power, LAN, AUX and GPS (with cap).
Here you connect either the external AC/DC adapter, the external battery pack (provided by Bartec Syscom ) or an external battery. NOTE: There is no internal battery in the MR3000C/TR. 2.2.2 Here you connect the Ethernet cable (wired communication via router or direct connection to your PC) –...
'STA/LTA', this is clearly shown on the LCD display LINE 4. Number of events recorded on the SD card. Figure 2.3.1. First screen of the MR3000C /TR with general information, in case of: a) LAN connection; b) GPRS active and LAN not active.
LINE 3. Dominant frequency calculated on the three axes. “F” means frequency (Hz) The first screen last 10 seconds while the second screen lasts 15 seconds. Figure 2.3.2. Second screen of the MR3000C/TR with event information. Status LEDs On the right side of the display, as shown in Figure 2.3.1, there are three status LEDs.
2.5.1 3G module The MR3000C/TR may be optionally equipped with a 3G modem device – covering GPRS, EDGE and UMTS standard. This device is used to establish communication if the MR is out in the field. To use the 3G module you have to insert a SIM card inside the MR.
2.5.2 SD card The MR3000 contains an SD card slot. The SD Flashcard in this slot is used to store the recordings. The SD card used is a Swissbit industrial SD card. To remove the card, you have to push it down, it will then pop up. NOTE: Ensure the MR is turned off before removing and re-inserting the SD Flashcard.
Figure 2.5.3. The internal lithium battery on the main board. 2.5.4 Relay board NOTE: This subsection is related only to MR3000TR. The MR3000TR is equipped with a relay board, as shown in Figure 2.5.4. Figure 2.5.4 The relay board of the MR3000TR. The relay board allows to have: two relay outputs, to connect external devices, typically for alarming (like sirens, •...
Figure 2.5.5 The internal triaxial velocity sensor is located at the rear end of the housing. Battery pack (optional) An external battery can be used together with the MR3000C/TR. It is a lead-acid gel cell 5 Ah with integrated battery charger: AC 90-264 V / 47-63 Hz.
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Figure 2.6.1 The external battery pack with integrated charger. MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
SET-UP of the MR3000 Connect a power source to the MR3000 (Battery pack, AC/DC converter to the power socket or a PoE source to the LAN socket). All 3 LEDs (green, yellow, red) are on and the 1 and 3 line of the LCD become black during start- up of the MR3000.
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Click with the right mouse button on the network icon on the lower right edge of your screen and select Connect to a network – If you are already connected to another network you will have to disconnect from this network first. Select the MR3000 network and click connect and….
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Tap on the Settings icon and in the Disconnect any existing Wi-Fi Enter the pass-phrase (enable settings screen on the Wi-Fi field. connection and tap on the SSID of ‘show password’) and tap on the Make sure Wi-Fi is enabled. the MR3000 connect field Figure 3.1.2 Wi-fi settings for Smartphone.
..you will see the main page of the Start screen Figure 3.1.3. Procedure to enter in the Web User Interface. 3.1.2 Wired connection via Router Use the cable RJ45/LEMO provided with the MR (see Fig. 3.1.4, below). On the MR side, plug the LEMO connector into the “LAN”...
The DHCP feature of the router makes sure your PC has acquired an IP address in the same subnet and communication between MR3000 and PC is possible. Now, you can simply enter the IP address displayed on the LCD of the MR3000 in your Web browser. We recommend you to purchase and install a router in your workshop for the exclusive work with your MR3000.
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scs.bartec-syscom.com More details can be found at or at the dedicated webpage on the Bartec Syscom website. OpenVPN and DDNS Service Concerning OpenVPN and DNNS, as the MR is not accessible through the real IP address in both cases, you will have to enable one of the two services to communicate with your MR through the WebUI.
View allows a real-time graphical display of the waveform data or the vibration level (background recording) Master allows you to set-up a network of MR3000C/MR3000TR to perform common trigger and common alarm. This feature is only available if the Master/Slave option is activated on this recorder, which is called the master.
4.1.1 Manual recording You can start recording an event by clicking on the start button, and stop the recording with stop. When the MR is recording, the yellow LED turns on. The current recording status and the recording duration are shown. In the table Recording list below all recordings currently stored on the SD card are shown.
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With the Pre-event time, you set-up how long you want to record before the MR is triggered. You can record up to 30 seconds backward. With the Post-event, you set-up how long you want to continue recording after the trigger has become idle.
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Trigger-Level (as per set-up) Trigger-Level (as per set-up) Max Recording Time Max Recording Time Trigger Decrement Time Trigger Decrement Time Trigger Increment Trigger Increment in sec. in sec. in mm/s in mm/s Figure 4.1.3. Trigger increment. Acceleration sensor In case of acceleration sensor, there is an additional selection: the trigger mode. The choice is between Level and the STA/LTA.
STA/LTA is a trigger algorithm usually used in the field of weak-motion seismology. The STA/LTA continuously calculates the average values of the absolute amplitude of a seismic signal in two consecutive moving-time windows. The short time window (STA) is sensitive to seismic events while the long time window (LTA) provides information about the temporal amplitude of seismic noise at the site.
Figure 4.1.6. Hardware recording interface. 4.1.4 Timed recording In the section timed recording you can set-up a timetable to record files automatically (in addition or independent of the trigger). You set-up a Starting time, e.g. every Monday at 10 am (select Weekly >...
4.1.5 Background recording In background recording mode the MR records the peak values within a given time window. Please note that the background recording is not affected by the trigger recording – both services may run simultaneously. In the field Mode you choose what kind of peaks should be recorded: ...
Figure 4.1.8. Background recording interface. The modes Peak + Vector Sum + Dominant Frequency and Peak + KBFTi + NOTE: Dominant Frequency can be recorded only with ASCII format. Please refer to section 4.4.8 for more details. NOTE: In case of acceleration sensor, only the following modes are available: Peak •...
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Enabled: the trigger recording is activated but the MR is not recording an event Recording: the MR is currently recording an event Triggering: one of the trigger conditions is fulfilled and the MR is recording until the post-event time is elapsed.
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down: service is not active. OpenVPN shows the Status and the IP address of the Virtual Private Network. Clock displays the current date and time on the MR. Last update shows when the clock has been synchronized the last time. ...
System In this part, you find all the settings of the different hardware interfaces and software services of the MR3000. 4.3.1 SD Card This subsection shows the capacity of the memory card and the amount of memory available. Moreover, and indication of the remaining lifetime is displayed. This functionality is available only with the SWISSBIT SD cards.
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Last clock update • In the Timezone section you can choose whether you prefer the MR to work with UTC time or local time. In the Time synchronization section you activate the synchronization with an external source. Disabled means that you don't need continuous synchronization. The internal clock keeps the time even when the unit is powered off.
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Figure 4.3.2. Subsection dedicated to the time synchronization in case of mode “Disabled” and mode “Network (NTP)”. MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
4.3.3 In this tab are the settings for the Ethernet port (interface for wired connection) are shown. Mode is as follows: DHCP means that the MR will try to get an IP address by sending DHCP requests. Select this option if you connect the MR to a network with a DHCP server. For example, your company network, or any network with a router.
In static mode, you must configure all the parameters manually - to do so you will probably need the assistance of your IT support. If you plugged the MR directly to your computer, only the IP address is relevant. If you plugged it to a network, you must fill all the parameters if you want the MR to be able to reach Internet.
Figure 4.3.4. Subsection dedicated to the Wi-Fi communication. 4.3.5 Mobile Use the Enabled checkbox to enable or disable the mobile communication interface. Be sure to insert a SIM card in the MR before trying to bring the mobile communication to work (see chapter 2.5.1).
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In the Data Network section, the settings regarding the network connection are present. The module inside the MR3000C allows you to send data with 2G or 3G connection. If you wish to enable the 2G/3G connection, click on the Enabled box. You also have to enter the Access point name, which is provided with your SIM card documentation.
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Figure 4.3.5. Subsection dedicated to the mobile communication. MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
4.3.6 DDNS DDNS stands for Dynamic DNS, a method to update a name server in the Domain Name System. Without going into technical details, DDNS allows you to communicate with an MR that is out in the field where it does neither have a public (accessible from the WEB) nor a static (not changing) IP address.
4.3.7 OpenVPN VPN stands for Virtual Private Network. With this service, you will be able to communicate with the MR when it is out in the field where it neither has a public (accessible from the WEB) nor a static (not changing) IP address.
4.3.8 Mail In this section, you can configure the e-mail settings, in order to receive automatically mails from the MR3000. For this purpose you need an e-mail account and Internet access for the MR3000 -– check with the PING function as described in Section 4.3.12. You have to enter the access data of your e-mail account, i.e.
4.3.9 FTP send If this service is enabled, the MR will periodically connect to a remote FTP server and copy its data to it. This feature has two main purposes: a permanent backup – your data exist both on the MR and the server. ...
It is highly recommended to test your settings with the Test FTP server button. Your MR needs Internet access to perform the test. The FTP send service has two options – both can be active: In Push mode the MR will push a new event file to the FTP server as soon as recording of the file is done.
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Background settings • During the synchronization, both the MR3000C/TR firmware and the SCS check if the parameters have been changed. There are three cases: 1. The parameters have been changed only in the firmware → the SCS is updated during the synchronization;...
3. The parameters have been changed in the firmware and in the SCS → the firmware has the priority, therefore the last values registered in the firmware are uploaded on the SCS during the synchronization. For any additional information on the SCS cloud software, please refer to the dedicated page on website or visit http://scs.bartec-syscom.com.
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The Upgrade from remote server part is used to do an upgrade of the MR's firmware. The MR needs an Internet connection for that. In order to upgrade to a new firmware, you need to know the URL for this upgrade. This is provided by SYSCOM when a new firmware is issued.
4.3.13 Maintenance In the section Diagnostic, you may generate a report of the system to make further investigations in case of trouble. Please click on download diag report and email it to s upport @bartec- syscom.com for further investigations. NOTE: The log files and other variables used to generate the Diagnostic report are in volatile memory, do not switch off the MR before the report is generated.
Inside the current section, there is one subsection dedicated to the sensor of the MR3000. For the MR3000C, the sensor can be a velocity meter or an accelerometer and it could be internal or external. For the MR3000TR, the sensor is always a velocity meter and it can be internal or external (triaxial or 3 triaxial ones).
4.3.15 Monitoring The section Monitoring has been added in firmware version 2.0.7. It includes the possibility to choose the warning level of the power supply voltage of the device. In particular, two threshold levels must be indicated by the user: warning threshold, meaning that a warning is created when the voltage measured •...
80 % of Nyquist frequency (= half of the sampling rate). Moreover, you can choose the Sampling rate, which is the number of samples per second. For the MR3000C/TR, the selection is between 50 Hz and 2000 Hz. NOTE: Higher sampling rates accumulate more data and create larger files.
Figure 4.4.2. a) Subsection dedicated to the acquisition for a velocity sensor; b) possible filter selections. Acceleration sensor In case of acceleration sensor, the unique selection available is related to the sampling rate. Indeed, there is a band-pass trigger filter on the data between 0.5 and 15 Hz. This means that the trigger condition is reached only if the two following conditions are fulfilled: the trigger level is exceeded;...
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Figure 4.4.3. Subsection dedicated to the alarm settings. Trigger recording Figure 4.4.3 shows the possibilities for the choice of the alarm limit, when the alarm has been selected on the trigger recording. The possibilities are: Level DIN 4150-3 (Germany) ...
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Figure 4.4.4. Limit values for the German DIN 4150-3, vibration at foundation. In case one of the predefined norms (DIN 4150-3, SN 640312, Circulaire du 23/07/1986) has been selected, then in the field “Setting” after having clicked on “Edit” a windows appears on the screen. On it, the desired limit curve can be chosen, among those defined by the norm.
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In case the Swiss regulation has been selected, the comparison is done on the Vector Sum and not on each single axis. The algorithm defined by the norm and implemented in the MR3000C/TR is the following: 1. Calculation of the Vector Sum of the event 2.
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If the choice of the alarm is “User-defined”, then clicking on “Edit” in the field “Settings” leads to another window, shown in Fig. 4.4.6. It is possible to give a name to the norm and then to add the desired number of points for each channel. A maximum number of 8 points can be set for each channel.
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User defined In case of “Vector Sum”, a threshold level for the Vector Sum must be defined. If this option is activated, in the section Start → Background recording, the mode “Peak + Vector sum” must be activated (Subsection 4.1.5). In case SBR-A is selected, the alarm is configured according to the Dutch code SBR-A.
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Figure 4.4.9. Configuration of the alarms causing a warning. Figure 4.4.10. a) Setting of the background recording; b) Warning message caused by the definition of the alarm as in Fig. 4.4.9. In Figure 4.4.11 the alarm settings in case of accelerometer are shown. MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
In this subsection, it is possible to add Contacts for the notification service. Contacts are people who receive notification from the MR3000C/TR. To add a new contact click on the Add button. To edit a contact, just click the corresponding line. Clicking the Del button will delete the corresponding contact.
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Figure 4.4.12. Setting of a contact with related messages. Once clicked on a contact line or on the add button, a window like in Fig. 4.4.12 is shown. In the first part (Contact details), it is possible to insert name, e-mail and phone number of the contact. In the second part (Messages), the user can choose the desired messages to be sent to the contact.
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is again below the threshold level or the max recording time has elapsed (see Section 4.1.2). Messages sent to an E-Mail address may additionally include a graphical presentation of the waveform data (PNG graphics). The waveform data and the FFT are NOT calculated if the duration of the event exceeds 60 seconds (@ 1000 sps sampling rate).
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Daily messages • SD Card state of health • Battery state of health • In Fig. 4.4.14, two windows related to the different messages are shown. In case of Alarm 1, Alarm 2 and Daily message, the user can also add a comment, that will be displayed in the message. Figure 4.4.14.
4.4.5 Daily message This service sends you an e-mail and an SMS notification every day. You can set-up the Time when you wish to receive this notification. Some information is automatically appended: the number of events and the free size on the SD Card, and the background mode. The recipients of this message are set-up in the section 4.4.4.
The test pulse function is useful to test the instrument by creating a pulse. You can do that: periodically, by indicating the desired interval between successive tests • manually, by clicking on the “Start test pulse” button. • 4.4.7 Relays NOTE: This section is present only for the MR3000TR.
The Query refresh period is the period between two requests from your computer to the MR. If you set it to a small value (like 100ms), the display is smooth, but also requires a fast communication to the MR3000C/TR (direct connection, not via GPRS) and more CPU time on your MR3000CMR3000C_TR_v2.0_rev1.odt...
computer. If you see that the display is slow, you should increase the query refresh period to e.g. 10 seconds. The Sample grouping tells how many samples represent 1 pixel. If you set it to 1, the line displayed represents exactly the signal, but it also goes at the same rate. This means very fast. If you want to have time to see what's happening, you must increase this value.
forward or backward, and the double arrows send you back at the beginning or the end of the graph. If you are positioned at the end of the graph, it will scroll by itself when a new sample arrives. Figure 4.5.2. Real-time visualization of background data. Master functionality The “Master”...
Common trigger means that all MRs in the network start recording if a single MR or a group of MRs meet the trigger criteria. A group is defined by a logical AND combination of individual MRs. It is possible to define several groups. The groups are combined with a logical OR condition. Common alarm provides an alarm voting logic.
4.6.2 Common Trigger Here you define the conditions for a common trigger, named recording in all MRs in the network. Each line contains a condition, the lines are logically OR combined. A condition might be a single MR or a group of different MRs. If more than 1 MR is defined, the trigger condition in the single MR must occur within 3 seconds.
If a file is recorded due to a common trigger condition, this is shown in the Recording List (chapter 4.7) with the entry Common in the column Reason. If at the same time in the corresponding MR also the local criteria for triggering were met, there will be 2 recordings of the same time history, but with different starting time and duration –...
Recording List On this tab you may select single files for immediate download – it is called “interactive mode” (similar as VIEW > EVENT for the MR2002). All the files in the memory are presented in chronological order (default). You may change the sorting order by clicking on the corresponding column title.
Figure 4.7.2. Subsection dedicated to the filters for the recording list. System warnings In case there are anomalous or incoherent settings about the parameters of the MR3000C/TR, some warnings will be displayed in order to alert the user. For example, if the user does not activate the alarms but he wants to receive the mails also with notification of the alarm, then, immediately after confirmed the operation with the “Apply”...
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Figure 4.8.1. Setting of the messages desired for a contact, where the Alarm 1 has been selected even if it has not been considered in the “User Parameters” section. Figure 4.8.2. Automatic warning produced by the software, related to the wrong settings shown in Figure 4.8.1.
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Another example is given by setting Alarm 2 based on the vector sum VSUM (see Figure 4.8.3) while this value is not calculated in the software, because in the background file this has not been activated (see Figure 4.8.4, where the signal peak and the dominant frequency are calculated but not the vector sum).
Figure 4.8.5. Settings of background recording, with selection of the peak and the vector sum, that does not cause a conflict with the alarm settings. Rest API The REST API functionality for firmware 1.6 and above. Please contact Bartec Syscom for more information at support@bartec-syscom.com.
Construction site monitoring Let us suppose that for the monitoring of a construction site we need 4-5 MR3000C to equip all the nearby buildings. We do not know if we can use an existing Internet connection, so we use MRs with the 3G modem option and equip the units with a SIM card (see chapter 2.5.1).
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STEP 1. Time settings Choose the local time of the city where the MR3000 will be installed • For more information, please refer to chapter 4.3.2. Figure 5.1.1. Time settings. STEP 2. Settings of the 3G module NOTE: This step is necessary in case a SIM card is used. Turn off the MR3000, insert the SIM card and then turn it on.
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Figure 5.1.2. Settings of the 3G module. ◦ In a short time interval at the end of the day, if an immediate communication of the recorded values is not needed MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
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During the working hours on the site, if an immediate communication of the recorded • values is needed Set-up and activate the SMS feature (for the Alarm notification), and test it with the • dedicated button. Check/insert the data network settings. •...
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Figure 5.1.4. Settings of the trigger recording. STEP 5. Alarm levels Configure alarm 1 based on the desired recording mode and on the reference norm. • Configure alarm 2 based on the same principles. • Figure 5.1.5. Settings of the alarm. MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
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In the example, the limits of alarm 1 have been set based on the German norm DIN 4150-3, at 90% of its values. This means that the real values are reduced by 10% to create a warning threshold. The limits of alarm 2 have been set to user-defined values. STEP 6.
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STEP 7. Connection to the SCS The SCS (Syscom Cloud Software) is the cloud software provided by Bartec Syscom for the management and the visualization of the data coming from the MR3000 instruments. The connection to the SCS is fundamental: to visualize and process all the data •...
Any 12 V battery may be used as long as it meets the capacity requirements of the application. The battery may be charged by a solar panel with a battery charger. The input voltage range of the MR3000C/TR is from 9 V to 13.5 V DC. 5.2.2 Battery Pack The battery pack (see Fig.
Figure 5.2.1. MR3000C connected to the SYSCOM battery pack 5.2.3 External AC/DC Power Supply Alternatively, the MR3000C/TR may be powered by a 12 VDC AC/DC supply. In case of power interruption, the MR3000C/TR will shut down without any notification. Figure 5.2.2. MR3000C connected to an external AC/DC supply.
5.2.4 Power over Ethernet The MR3000C/TR provides the option to be used as a Powered Device (PD) using Power over Ethernet (PoE) according to IEEE 802.3af standard. An appropriate commercial/industrial PoE switch along with a 48 VDC supply allows you to use the LAN connector as a combined communication/power plug.
5.3.1 Embedded SFTP server The MR has an embedded SFTP server that allows you to easily download events and background files from the MR to your computer. SFTP stands for Secure File Transfer Protocol (FTP using SSH connection). Do not mix up the SFTP server described here with the FTP send service described in chapter 4.3.9.
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Then you go to the Connection tab and choose SFTP in the Security drop down menu. All other fields remain blank. There is nothing to edit in the Advanced tab. Now click on the Connect button and the following main screen appears. On the left side you see the file system of your PC on the right side the file system of the MR3000.
5.3.1.2 Filezilla It's the most famous stand-alone FTP/SFTP client. You can download it at this address: http://filezilla-project.org/download.php?type=client The first time you launch it, click on File->Site Manager..., then click on New Site. In the host field, enter the IP address of the MR3K. For the protocol, choose SFTP. For the logon type, choose normal.
Firmware history The list of the changes in the firmware can be seen at the following URL: MR3000_firmware_release_note.pdf MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
Appendix A: Internet access for the MR We often talk about the MR having an Internet access on this manual, so let's clarify this point a little bit. First, why should the MR have an Internet access? Well, there are various reasons: ...
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The use of the WLAN hot-spot offered by the router is not possible, as the MR does not offer a Wi- Fi client service. 2. You use the 3G service with an ordinary SIM card: The MR acquires a private (not accessible from the outside world) and dynamic (changing often) IP address.
Appendix B: SAFETY INSTRUCTIONS Introduction Thank you for choosing this Bartec Syscom product. Before operating it, please read this manual thoroughly and retain it for future reference. Note - Before operating the product, please read "Safety information". - Pictures and illustrations used in this manual are for reference only and may differ from actual product appearance.
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- Disconnect the mains lead from the mains socket before working on or moving the product. - Keep the mains lead away from heat sources. - Unplug the mains plug and clean it regularly. If the plug is covered with dust and it picks up moisture, its insulation may deteriorate, which could result in a fire.
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Disposal of the product Disposal of Old Electrical & Electronic Equipment (Applicable in the European Union and other European countries with separate collection systems) This symbol indicates that the product shall not be treated as household waste. Instead it shall be handed over to the applicable collection point for the recycling of electrical and electronic equipment.
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MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
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MR3000CMR3000C_TR_v2.0_rev1.odt subject to technical change without notice...
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