Comparison chart: Master modules

Device Management: Web, SNMP, manually via SMS

Yes

Yes

Yes

Yes

Yes

Sensor access: Three-level by login

Yes

Yes

Yes

Yes

Yes

Interface

VT960i

VT855i

VT825i

VT335i

VT336

LAN: Ethernet 10/100 Mbit

Yes

Yes

Yes

Yes

Yes

OS: Linux

v.5.10

v.5.40

v.5.40

v.5.40

v.3.10

Interface: Any browser

Yes

Yes

Yes

Yes

Yes

Memory RAM:

1Gb

128Mb

128Mb

64Mb

64Mb

CPU speed:

720mHz

600mHz

600mHz

600mHz

300mHz

Total CPU cores:

4

1

1

1

1

Clock: Built-in clock

Yes

Yes

Yes

Yes

Yes

Timer: Built-in watchdog

Yes

Yes

Yes

Yes

Yes

The maximum amount of sensors: physical sensors, dry contacts, relays

400

150

150

100

30

The maximum amount of elements: notifications, triggers, timers, logic, sensors, dry contacts, SNMP Get, SNMP Trap, Dial task, and other elements

2000

1000

1000

700

500

Networking / Protocol support

LTE Gateway mode: Internet access (routing for internal network) (modem ordered separately)

Yes

Yes

Yes

Yes

No

LTE Access mode: Internet access over LTE (modem ordered separately)

Yes

Yes

Yes

Yes

Yes

Network protocols: DHCP; HTTP; HTTPS; SNMP v1, v2c, v3; SMTP; FTP; Syslog; TLS;

Yes

Yes

Yes

Yes

Yes

Modbus RTU

Yes

Yes

No

No

Yes

Modbus TCP / IP

Yes

Yes

Yes

Yes

Yes

Static routing

Yes

Yes

Yes

Yes

Yes

Dynamic DynDNS

Yes

Yes

Yes

Yes

Yes

Access via RADIUS server

Yes

Yes

Yes

Yes

Yes

VPN: secure data communications; secure change of connection between LTE and LAN

Yes

Yes

Yes

Yes

Yes

SSL installation

Yes

Yes

Yes

Yes

Yes

NTP server

Yes

Yes

Yes

Yes

Yes

Alerts / Notifications

Alert types: E-mail, FTP log, Syslog, SMTP, SNMP Traps, SMS (Modem is ordered separately), Web-to-SMS,

Yes

Yes

Yes

Yes

Yes

A maximum number of "mail to" recipients in an E-mail notification:

50

20

20

20

10

A maximum number of "SMS to" recipients in an SMS notification: also the maximum amount of phone numbers

50

20

20

20

10

Virtual sensors

Pings: Built-in function for server pinging. Test the reachability of a host in a network.

Yes

Yes

Yes

Yes

Yes

IP cameras: Connect the IP MJPEG camera with a proxy via the master module. Only view, no record.

4

4

4

4

4

Get SNMP: Read data from external equipment via SNMP PDU GET (v1/2c)

Yes

Yes

Yes

Yes

Yes

User keys: Add users who have access using an RFID reader.

Yes

Yes

Yes

No

Yes

Logic schemes: Used to specify automatic actions to events that occur in the system.

Yes

Yes

Yes

Yes

Yes

Timers: Allows you to plan the events in the system.

Yes

Yes

Yes

Yes

Yes

Triggers: Generate events in the system if logic is triggered.

Yes

Yes

Yes

Yes

Yes

SNMP traps

Yes

Yes

Yes

Yes

Yes

Virtual Math element (combine several sensor data and calculate new data)

Yes

Yes

Yes

Yes

Yes

Logic schemes

Yes

Yes

Yes

Yes

Yes

Modbus TCP/IP: read/write

Yes

Yes

Yes

Yes

Yes

Power

VT960i

VT855i

VT825i

VT335i

VT336

Power input:

90-230V 

90-230V

90-230V 

12V

12V

Power input DC:

24 ÷ 48V 

24 ÷ 48V 

24 ÷ 48V 

12V

□

Fuse:  Fuse at the inlet

1A

1A

1A

1A

□

Max. power consumption:

30W

30W

10W

10W

12W

The maximum current load on the relay:

10А

10А

10А

250mА

250mА

Redundant power supply: built-in voltage monitor, voltage range 9-12.6V.

Yes

AC/DC

DC/DC

Yes

AC/DC

DC/DC

Yes

AC/DC

DC/DC

Yes

DC 12V

□

Outputs

Relay outputs: latching relays 240V*10A

2

2

2

□

□

Relays outputs: 12V 0.25A

2

2

2

2

2

Max. dry contact outputs (contact closures/digital outputs)

8

8

□

□

□

Audio output: AV OUT

1

□

□

□

□

Video output: AV OUT

1

□

□

□

□

Inputs

Analog port: 6P6C  for connection of an analog sensor.

8 built-in ports, 
up to 16 on the CAN bus extension unit

8 built-in ports, 
up to 16 on the CAN bus extension unit

8 built-in ports, 
up to 16 on the CAN bus extension unit

4 built-in ports, 
up to 16 on the CAN bus extension unit

6 built-in ports, 
up to 16 on the CAN bus extension unit

CAN port: Max number of sensors

Use CAN-12V-1A for connecting more than 12 devices.

32

32

32

32

20

Dry contact inputs:

up to 32 on built-in extension,
up to 64 on the CAN bus Dry contacts unit

up to 32 on built-in extension,
up to 64 on the CAN bus Dry contacts unit

up to 32 on built-in extension,
up to 64 on the CAN bus Dry contacts unit

4 built-in,
up to 64 on the CAN bus Dry contacts unit

4 built-in,
up to 64 on the CAN bus Dry contacts unit

Modbus RTU (RS-485): Max. line length 1000m

1 built-in port, up to 50 sensors

1 built-in port, up to 50 sensors

□

□

1 built-in port, up to 50 sensors

Reader 1-Wire

1 built-in port

1 built-in port

□

□

□

Video

Video cameras:

AV, x2 USB, x4 IP

USB, x1 IP

USB, x1 IP

USB, x1 IP

USB, x1 IP

Video power supply: DC 12V 0,25A for analog camera

Yes

□

□

□

□

Other connectors

VT960i

VT855i

VT825i

VT335i

VT336

Ethernet port: 10/100Mbit

Yes

Yes

Yes

Yes

Yes

USB 2.0 Type A

1

1

1

□

□

USB 2.0 micro 

1

1

1

1

1

Switch Normal / Recovery: returns the device to factory settings

□

Yes

Yes

Yes

Yes

FEL button: softly restarts the SATA drive

Yes

□

□

□

□

Shutdown button: Softly shuts down the device.

Yes

□

□

□

□

External Memory / Logs

VT960i

VT855i

VT825i

VT335i

VT336

SD card slot (SDHC up to 32Gb)

Yes

Yes

Yes

Yes

No

SD card slot (SDXC up to 128Gb)

Yes

Yes

Yes

Yes

No

SD card formatting function (FAT32)

Yes

Yes

Yes

Yes

No

SATA Drive: 2.5" HDD or SSD (ordered separately)

Yes

No

No

No

No

USB flash drive: logs, sensor readings, item settings, etc.

Yes

Yes

Yes

Yes

Yes

Send system log to e-mail: Logs, sensor data, elements settings, etc.

Yes

Yes

Yes

Yes

Yes

Sensor dump files: save the per-second samples of analog and discrete sensors

Yes

Yes

Yes

Yes

Yes

Syslog

Yes

Yes

Yes

Yes

Yes

Send to FTP server: Logs, sensor data, elements settings, etc.

Yes

Yes

Yes

Yes

Yes

Maximum amount of log files: 10,000 logs/days = 27 years

Yes

Yes

Yes

Yes

Yes

Sample rate/period (logs, graphs)

1 s

1 s

1 s

1 s

1 s

Extensions (modules are ordered separately)

VT960i

VT855i

VT825i

VT335i

VT336

SATA: 2.5" HDD or SSD (ordered separately)

Yes

No

No

No

No

Modem (extensions)

4G LTE modem: ordered separately. 

VT790

VT740

VT740

VT740

VT770

Modem modes:

• Gateway: Internet access

• Access: Internet access over LTE

• SMS: SMS notifications 

Gateway / Access / SMS

Gateway / Access / SMS

Gateway / Access / SMS

Gateway / Access / SMS

Access / SMS

Embedded onboard sensors

Temperature sensor: +/- 1 °C  Case temperature.

Yes

Yes

Yes

Yes

Yes

Power supply voltage sensor: Accuracy (1%)

1

Main & Reserve

Main & Reserve

Main & Reserve

1

Alarm LED: Programmable LED

No

Yes

Yes

Yes

No

Analog sensor power reset: resets smoke sensors

Yes

Yes

Yes

Yes

Yes

Environmental characteristics

Operating temperature: -10 to 80 °C

Yes

Yes

Yes

Yes

Yes

Storage temperature: –25 to 85 °C

Yes

Yes

Yes

Yes

Yes

Operating humidity: 0 to 90 %, non-condensing

Yes

Yes

Yes

Yes

Yes

Storage humidity: 0 to 95 %, non-condensing

Yes

Yes

Yes

Yes

Yes

Other Features

VT960i

VT855i

VT825i

VT335i

VT336

Installation: 

19” 1U

19” 1U

19” 1U

Desktop

DIN rail

Dimensions (L x W x H) in mm:

440*44*120

440*44*90

440*44*90

180*35*80

160*90*58

Weight:

2 kg

1,5 kg

1,5 kg

0,7 kg

0,4 kg

External chassis grounding: M4 thread

Yes

Yes

Yes

Yes

□

Web interface (panels)

Dashboard panel:

Yes

Yes

Yes

Yes

Yes

Overall statistics panel:

Yes

Yes

Yes

Yes

Yes

System tree panel: sensors and devices displayed in a hierarchy

Yes

Yes

Yes

Yes

Yes

Dry outputs panel:

with VTx32 extension

with VTx32 extension

Yes

No

Yes

Dry inputs panel:

Yes

Yes

Yes

Yes

Yes

Event log panel:

500 logs

300

300

300

200

Logic schemes panel:

Yes

Yes

Yes

Yes

Yes

Cameras panel:

Yes

Yes

Yes

Yes

Yes

Map panel:

Yes

Yes

Yes

Yes

Yes

Users panel:

Yes

Yes

Yes

Yes

Yes

CAN configuration panel:

Yes

Yes

Yes

Yes

Yes

Graphs panel:

Yes

Yes

Yes

Yes

Yes

Reset smoke detectors panel:

Yes

Yes

Yes

Yes

Yes

Preferences panel: Web GUI, Network, Time, Logging, DynDNS, SNMP, RADIUS, FTP backup, VPN Clent, Modbus RTU, GPS, SMTP, Routing

System menu panel: About, Firmware, Export, Support

Yes

Yes

Yes

Yes

Yes

List of latest sent SMS messages:

500

200

200

150

100