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Functional description & components


Product page: https://vutlan.com/devices/135-vt336-din-io-controller.html

The industrial DIN monitoring and control system (I/O controller) is specially designed for DIN-rail mounting racks. Includes x6 analog sensors, CAN sensor bus, Ethernet port, RS-485 / Modbus RTU, x4 digital inputs, x2 12V DC 0.25A relays, x2 digital outputs. Supports a full range of sensors and devices.  Possible extension: PoE module. Provides an Ethernet connection and PoE (Power over Ethernet).  Extension "VT770 / LTE modem" (Ordered separately!) allows SMS control, Phone dial, GPS location, and Internet access.  

Notifications include E-mail, FTP log, Syslog, SMTP, SNMP Traps, Web-to-SMS, and PUSH. Protocols include DHCP; HTTP; HTTPS; DynDNS; SSL; SNMP v1, v2c, v3; SMTP; FTP; Syslog; RADIUS; Modbus RTU; OpenVPN. Virtual sensors include PING, timers, triggers, Logic schemes, SNMP GET, x4 IP cameras, Virtual math elements, and others.


1. "LED: ACTIVITY" - green LED indicates appliance status

"LED: ERROR» - red LED indicates system error and traffic.

2. "Analog sensors: A1..A6" - x6 RJ12 analog sensor inputs with auto-sensing. Read instructions at "Analog sensors connection", "Sensor configuration".

3. "USB" - type miniAB USB-port 2.0, required to connect a USB camera, USB flash, USB hub or to restore an appliance using USB flash.

4. "CAN" - digital connector RJ12 for the connection of CAN sensors and CAN extensions on a CAN bus, with auto-sensing. Read instructions at "CAN devices connection", "Setting up CAN".

  • "CAN Status" - LED for digital bus sensors:

  • The LED blinks slowly - nothing is connected

  • The LED blinks fast - configuration is in process

  • The LED glows constantly - connected to CAN devices

5. "LAN port" - Ethernet 10/100 Base-T port, provides an Ethernet connection.

  • "LAN Link" - orange LED for Ethernet port. It shows network traffic.

  • "LAN Activity" - green LED for Ethernet port. It shows network traffic. Flashes green when the system starts up. Shows the connection state (constant green light - the connection is established, blinking green - the connection attempt).

6. "DRY CONTACT INPUTS 1...4" - Digital inputs. Read instructions at "Connecting dry contacts inputs", "Dry contacts settings".

7. "TEMPERATURE SENSOR" - accuracy +/- 1 °C.

8. "MODE" - a DIP switch for changing system modes.

  • Normal mode 🠀:  Normal operating state. The system should be always switched to this.

  • Recovery 🠂: Turns a recovery mode On. Use this option only in case you need to recover manufacturing settings. Read instructions at "Factory settings recovery".

9. "RESTART" - button restarts the appliance. Press the button for several seconds.

10. "OUTPUT 12V 0.25A" - 12V 0.25A output electronic relay terminal. Read instructions at "Connecting 12V devices to 12V outputs".

11. "ISOLATED DRY CONTACTS OUTPUTS 1...4" - Digital outputs 24VDC / 15mA (type OUT). Read instructions at "Connecting dry contacts inputs", "Dry contacts settings".

12. "RS-485 MODBUS RTU" - port for connecting Modbus RTU / RS-485 sensors and devices. Read instructions at "Connecting Modbus RTU sensors to VT336 & VT336PoE", "Configuring Modbus devices".

  • "RS-485 Status" - LED for displaying Modbus RTU port status.

13. "DC 12V 1A" - DC power input. Instructions are in the section below.

14. "Modem" - "VT770 / LTE, GPS modem" is ordered separately. Read instructions at "Connecting VT770 / LTE modem with GNSS", "Networking".

  • "Modem status" - LED displays modems status.

  • "SIM card slot" - Open the top cover to insert a SIM card.

  • "GSM, LTE main antenna" - Connect GSM or LTE main antenna.

  • "LTE auxiliary antenna" - Connect LTE auxiliary antenna (Auxiliary LTE antenna and antenna output are ordered separately from the modem). It helps to establish a stronger and more stable signal.

  • "GPS active antenna" - GPS antenna and antenna output are ordered separately from the modem. Allows to set the time using GPS and shows the location of the device on the map.

Dimensions

Function & Order options & Technical specifications

Product info is located on the product page "VT336 product page".

Powering the device

:

  1. Power supply with grounding.

  2. Power supply without grounding.

Inventory

VT336 package content

Mounting the device on a DIN rail

1

Insert the DIN rail holder as shown in the picture

2

Press the module onto the DIN rail, it should snap.

3

To dismantle the unit from the DIN rail:

  • Use a flat screwdriver and insert it into the DIN rail holder.

  • Pull the handle of the screwdriver to start pulling the DIN rail holder.

  • Now You can pull the enclosure from the DIN rail.

Mounting enclosure guards

1

  • Use pliers or a cutter to cut necessary plastic petals.

  • Use a screwdriver to make necessary holes in the plastic guards.

2

Simply slide it inside the empty spaces until it clicks.

3

Use a screwdriver to pull it out.

The system uses terminal blocks for several interfaces:

  • x4 dry contact inputs

  • x2 Electronic relay outputs

  • x2 Isolated digital outputs

  • RS-485 Modbus RTU

  • Power supply input

They share the same characteristics.

Specifications

Strip length

Wire cross-section

Screw head

Terminal blocks

Step: 5.08 mm

6 - 7 mm

0.23 - 0.27 in

2.5 mm²

0.09 in²

#26 - #12 AWG

Flat

3.5 mm

0.13 in

Using the table above, you can mount the cables.

Device configuration

  1. Initial Configuration (web interface)

  2. Configuring (web interface)







Developer notes:

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