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VT335t / Monitoring unit
Documentation page:
https://vutlan.atlassian.net/l/cp/Z5ujzQHc
Product page:
https://vutlan.com/remote-monitoring-units/178-vt335t-monitoring-unit.html
Brochure:
VT325t Room monitoring unit brochure.pdf
Other names:
Rack monitoring and control unit
,
module
Function and purpose
The unit is used for environmental monitoring (e.g. temperature, humidity, voltage, leakage, smoke, airflow). It is also used as an I/O controller (e.g. door
control, fans, generator, control panels, UPS, circuit breakers, and alarms). Can use up to 1000 different elements - notifications, triggers, timers, logic
schemes, sensors, and dry contacts. Has a built-in Web interface with virtual sensors, logic schemes, different types of notifications, and control panels.
Has a slot for an LTE modem for an ethernet connection reservation.
VT335t is a new model and it replaces VT335i. New features include:
faster processor
memory doubled
,
Monitoring and control unit
,
Mini monitoring and control unit
,
I/O

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Summary of Contents for Vutlan VT335t

  • Page 1 Has a built-in Web interface with virtual sensors, logic schemes, different types of notifications, and control panels. Has a slot for an LTE modem for an ethernet connection reservation. VT335t is a new model and it replaces VT335i. New features include: faster processor...
  • Page 2: Physical Description

    ability to handle more elements (+300) VT740 slot modem (added fixation) Modbus RTU extension OSDP v2 reader extension Physical Description Front panel: Back panel: 1. "Analog sensors: A1..A4" - x4 RJ12 6P4C analog sensor inputs with auto-sensing. Read instructions at "Analog sensors connection", and "Sensor...
  • Page 3 4. "USB" - micro USB-port 2.0 is needed for USB camera recording, USB Flash for system logs, and system restoration. Read instructions at "Connecting USB camera", "USB camera settings. How to save a video", "Saving system logs on USB flash drive", and "USB upgrade or restore of default...
  • Page 4: Connection Overview Diagram

    Connection overview diagram...
  • Page 5: Drawing Dimensions

    Drawing dimensions DIN rail installation “VT124 / DIN rail holder” (also named DRP-03) for mounting on DIN rail. VT124 is ordered separately. The package includes a holder and screws.
  • Page 6: Wall Installation

    Wall installation “VT123 / Wall mounting brackets” for mounting onto the wall. The package includes 2 brackets and screws. 19” 1U installation in a rack-cabinet “VT122t / 19” holder” for mounting onto a 19” 1U rackmount.
  • Page 7 Installing LTE slot modem A modem (point 12 at picture above) can be installed (purchased separately) inside the system. Product page: https://vutlan.com/modems/165-vt740-lte-slot-modem.html Datasheet page: https://vutlan.atlassian.net/wiki/spaces/DEN/pages/2735931393/VT740+LTE+slot+modem...
  • Page 8: Package Content

    Power cycling is an embedded function. The same PCB of VT740 is used for series (e.g. VT335i and VT335t). But The metal enclosures use a different metal panel for holding the modem. series have an additional screw to hold the panel. Thus the installation is slightly different. But in all other regards, it is the same.
  • Page 9: Technical Specifications

    x2 pieces Panel 1. "Main antenna" - Connector, used when the modem is installed inside of the appliance to connect the LTE main antenna. ( The main antenna is supplied together with the modem). 2. "SIM card" - SIM card slot with an injector. 3.
  • Page 10 Step 1 Unscrew the M3 screw from the LTE metal panel. Step 2 Use the wire cutter tool to cut off the metal inserts. You can dispose of the metal inserts. Step 3 Plug the VT740 slot modem as shown on the picture into the opening.
  • Page 11: Setting Up Gsm Modem

    Step 4 Put the LTE metal panel back in (marked as “1”). Screw the M3 screw back in fixating the LTE metal panel (marked as “2”). Setting up GSM modem The modem is used in the system to send SMS notifications and receive SMS commands. To operate with a modem: 1.
  • Page 12 Fields characterizing the properties of the modem element in a system: Status – the state of the cellular network; Operator – the state of the cellular network; Signal level – the signal level; PIN code – pin-code of sim-card; Choose an operator – an actual list of operators present on the GSM network and the button for refreshing this list; SMS center number –...
  • Page 13 GSM operators list Step 5 Screw the main LTE antenna into “Main” antenna” jack. The list of operators is updated once a few minutes after the system is turned on. Next time the list can be updated by the button. Getting the list is a long procedure and can take If you want to strengthen the signal, you can screw in the several minutes.
  • Page 14 If these items do not fit your situation, try to restart the monitoring system. Also, check the sending of messages from your mobile phone. Sending SMS using third-party programs To send SMS, you can use, for example, the cURL utility. Either other programs with similar functionality. To send SMS, use the following command in the console: gcc -O2 -o sendsms sendsms.c Script for sending SMS...
  • Page 15 Step 6 Plug in the micro SIM card. The SIM card slot has an injector. HOSTIP=$OPTARG USERNAME=$OPTARG PASSWORD=$OPTARG TOPHONE=$OPTARG MESSAGE=$OPTARG usage exit esac done if [[ -z $HOSTIP ]] || [[ -z $USERNAME ]] || [[ -z $PASSWORD ]] || [[ -z $TOPHONE ]] || [[ -z $MESSAGE ]] then usage exit 1...
  • Page 16 curl -d "querytype=send_sms_message&k=${KEY}" --data-urlencode "to_phone=${TOPHONE}" --data-urlencode "message=${MESSAGE}" ${HOSTIP}/engine.htm > /dev/null 2>&1 # or for HTTPS case #curl -d "querytype=send_sms_message&k=${KEY}" --data-urlencode "to_phone=${TOPHONE}" --data-urlencode "message=${MESSAGE}" -k https://${HOSTIP}/engine.htm > /dev/null 2>&1 In case of errors, leave comments below on the page or at our forum. Please indicate in the message the current version of the firmware of the monitoring system (System menu→About this system→Firmware version).
  • Page 17: Connecting To The Internet

    1. Fill in your mobile number and a text message and press "OK". 2. You should receive a message on this mobile phone number. 3. See the image below: 1. You should see a confirmation that the message has been sent. 2.
  • Page 18 Here are the following items available for configuration: Enable LTE modem - allows you to enable or disable the LTE modem if the installed modem support it; Connect at startup - working mode of LTE connection, always maintaining connection (at startup) or setting up a connection only when necessary; APN - Access point name;...
  • Page 19 Enable logging - set this checkbox to enable the connection log. Use this only to find out the cause of a failed connection, don't keep the log enabled on all the time; Save the log to disk - button for connection log downloading. LTE modem operation mode is used as a failover connection.
  • Page 20: Frequently Asked Questions

    Greylisted Greylisted not access the device using this IP address. If you can access the Vutlan system’s Web Interface using this IP address, the IP is Whitelisted Vutlan systems may not check if the IP address is . Can not check if the IP address is...
  • Page 21: Technical Details

    Terminal plug 6 pins, 3.5 mm - 1 pc Terminal plug 3 pins, 3.81 mm - 1 pc Terminal plug 2 pins, 3.81 mm -1pc Self-adhesive rubber foot - 4 pcs Short configuration manual Warranty card Technical details VT335i, VT336, VT825i, VT825ii, VT855i, VT855ii, VT960i, and VT960ii are the monitoring units and can not connect to each other. For scalability please use extension units and embedded boards.
  • Page 22 ● Built-in □ None ♦ Extension possible ◊ Not extendable Versions VT960i VT855t VT825t VT335t VT325t Device Management: Web, SNMP, manually via SMS Sensor access: Three-level by login Interface VT960i VT960ii VT855t VT825t VT335t VT325t LAN: Ethernet 10/100 Mbit OS: Linux v.5.10...
  • Page 23 Alerts / Notifications VT960i VT960ii VT855i VT855ii VT825i VT825ii VT335t VT325t Alert types: E-mail, FTP log, Syslog, SMTP, SNMP Traps, SMS (Modem is ordered separately), Web-to-SMS, A maximum number of "mail to" recipients in an E-mail notification: A maximum number of "SMS to"...
  • Page 24 AC/DC AC/DC DC 12V DC/DC DC/DC DC/DC Outputs VT960i VT960ii VT855i VT855ii VT825i VT825ii VT335t VT325t Relay outputs: latching relays 240V*10A Relays outputs: 12V 0.25A Max. dry contact outputs (contact closures/digital outputs) Inputs VT960i VT960ii VT855i VT855ii VT825i VT825ii VT335t...
  • Page 25 □ device to factory settings External Memory / Logs VT960i VT960ii VT855i VT855ii VT825i VT825ii VT335t VT325t Micro SD card slot (SDXC up to 512 Gb) 64Gb SD card formatting function (FAT32) USB flash drive: logs, sensor readings, item settings, etc.
  • Page 26 HDD: Hard drive STATUS Environmental characteristics VT960i VT960ii VT855i VT855ii VT825i VT825ii VT335t VT325t Operating temperature: -10 to 80 °C Storage temperature: –25 to 85 °C Operating humidity: 0 to 90 %, non- condensing Storage humidity: 0 to 95 %, non- condensing...
  • Page 27 List of latest sent SMS messages: Analog sensor power reset: resets smoke ● Built-in □ None ♦ Extension possible ◊ Not extendable sensors Copyright: Vutlan s.r.o. (LLC) Remote Infrastructure Monitoring and Control 43 ul.Svornosti, 821 06 Bratislava, Slovak Republic www.vutlan.com...

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