VT825 DC / Monitoring unit with DC power supply

The unit uses a power supply with two isolated DC +/- 48V inputs. Can use up to 100 different elements - notifications, triggeres, timers, logics, sensors, dry contacts. Possible extensions are 1-Wire board for reader or board with 8 dry contacts, two relais 10A and power backup input.

There are built-in servers and agents like HTTP, HTTPS, SNMP v1, 2c, 3, SMTP, Radius, Syslog, FTP, DHCP, Wachdog.°C.

External power supply is not included in the delivery.

DC power 48V

The unit supplied by 48 V (mostly used by Telecom companies). In case the first power input shut down, the system can automatically start to use the second power input. DC inputs are isolated from the earth! Customer can use either + or - on the ground. Power supply range is 14-70 V.

Sensor ports

Connect sensor by a supplied RJ-11 (6P4C) cable to any sensor port "A1 .. A8". Determination of the sensor type and connection will occur automatically.

Temperature sensor

Temperature sensor is built-in on a board and sticks out on the front panel of the unit for better measurement. Accuracy equals +/- 1°C.

12V outputs

The unit has two 12V 0.25A outputs (electronics relays). E.g. the appliance has the possibility to connect alarm beacons managed by built-in electronic relays.

CAN port

Connecting CAN devices on a common bus allows you to collect data from the sensors with a large area, or from a large distance and to transmit them to the network. VT825 has a LED for CAN bus status indication.

Dry contact inputs

VT805 has 4 dry contact inputs. Can be used together with any contacts, for example with door or window contacts, circuit breakers etc.

Extension: Modbus or 1-Wire

VT325 has the possibility to install "VT85 / Modbus extension board" or "VT10 / 1-Wire board" exntension (ordered separately).

Modbus

VT325 has the possibility to install "VT85 / Modbus extension board" or "USB485 / RS-485 to USB adapter" exntensions (ordered separately).

Extension: GSM modem

VT805 has the possibility to install GSM or USB modem. VT700 GSM modem is mounted and connected inside of master unit. It is used for sending SMS notifications and receiving SMS commands.

Extension: VT18 (ordered separately)

Board is mounted and connected inside of "VT825 / Monitoring unit". Adds 8 dry contacts (IN), 2 loads (latching relays with LEDs indicators on front panel) & 12V DC power backup terminal. VT825 allows to install either VT18 or VT10, both extension can not be installed at the same time.

Extension: "VT10 / 1-Wire board" (ordered separately)

1-Wire board can be installed insideof monitoring unit to connect access reader or accurate temperature sensors. VT825 allows to install either VT18 or VT10, both extension can not be installed at the same time.

IP cameras

Using built-in interface it is possible to add up to four IP cameras. This will allows to view footagefrom surveillance cameras remotely,

USB camera

One USB camera (class Linux UVC Webcam which supports MPEG) can be connected to "USB" port. More USB devices can be connected to one USB port using USB hub.

USB flash drive

USB flash drive can be connected to VT805 using OTG miniUSB cable and can be used by the system for saving logs. More USB devices can be connected to one USB port using USB hub.

LEDs

"ACT" - indicates appliance status, "E1" - indicates 12V "E1" relay status, "E2" - indicates 12V "E2" relay status, "ERROR»" - indicates error and traffic, "CAN" - indicates BUS status.

Chassis earthing

Chassis external ground earthing, to suppress electromagnetic interference.

LAN

Ethernet 10/100 Base-T port, provides network connection.

Reference VT825 DC

Data sheet

Product dimensions: Width 440 x Height 44.45 (1U) x Depth 79.4 mm
Packaging weight: 1,5 kg
Inputs: 4 dry contacts (3P, pitch 3,5mm, type IN)
8 analog sensors
CAN bus
HS USB
Outputs: SD card slot
Two 12V 0,25A outputs (pitch 3,81mm, 3P)
USB port for saving logs (USB flash)
Operating characteristics: Humidity : Min. 5% - Max. 95% (Non-Condensing)
Temperature : Min. -10° C - Max.80° C
Mounting: 19" rack mountable
Desktop
Wall turnable mount (with extension)
Power Consumption: 6-18 Watt
Components: Manufactured in E.U.
Max. distance from the unit: 300 m
HS Code: 8471 50 000
Package includes: 19" mounting brackets 2pcs
Patch cable RJ-45 1m
Screws 6pcs M3 8mm
Self-adhesive rubber foot 4 pcs
Short description and connection guide
Terminal plug 3 pins 3.81mm 1pcs
Terminal plug 6 pins 3.5 mm 1pcs
Warranty card
Status Indicators: Error LED
LED indication for CAN bus connection
LED indication for Power / Network connectivity
Two relay status LEDs
Power input: +/- 48 V DC
Network Interface: 1-Wire (with extension)
CAN bus
Ethernet 10/100 Mbit/s
Extension protocols: 1-Wire
CAN
Expansions (ordered separately): VT10 / 1-Wire board or VT18 / Extension board
VT700 / GSM modem
Processor: ARM926-300 MHz / 64 MB / Linux-2.6.38
Built-in sensors: Power supply voltage sensor (1%)
Temperature sensor (1%)
Device management: SNMP
Web Browser
manually via SMS
Accessories (ordered separately): VT101 / Battery holder
VT112 / Rotatable mounting brackets
Other: Chassis grounding (M4 thread)
Recovery switch
Restart button

Specific References

Condition New product

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VT825 DC brochure

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