Comparison chart: PDUs

Description:

Device management: Web, SNMP

Physical sensors:

Outlet sensors: e.g current, voltage

Virtual sensors: e.g. Modbus TCP

Device description

VT-PDU 4PS

VT-PDU 4MS

Voltage (V): for each outlet

Frequency (Hz): for each outlet

Current (A): for each outlet

Wattage (W): for each outlet (P=I*V)

Active/real power (W): for each outlet

Active/real energy (Wh): for each outlet

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

Power supply voltage sensor 12V DC:

Accuracy (1%)

Interface and supported protocols

VT-PDU 4PS

VT-PDU 4MS

LAN: Ethernet 10/100 Mbit

OS: Linux

Interface: Any browser

Memory RAM:

CPU Speed:

Total CPU cores:

Clock: Built-in clock

Timer: Built-in watchdog

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

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

Networking / Protocol support

VT-PDU 4PS

VT-PDU 4MS

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

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

Modbus TCP / IP

Static routing

Dynamic DynDNS

Access via RADIUS server

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

SSL installation

NTP server

Alerts / Notifications

VT-PDU 4PS

VT-PDU 4MS

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

Virtual sensors

VT-PDU 4PS

VT-PDU 4MS

Ping: Built-in pinging

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

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

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

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

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

SNMP traps

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

Logic schemes

Modbus TCP/IP: read/write

Power

VT-PDU 4PS

VT-PDU 4MS

Power supply:

Input / Inlet: IEC, 110-240V AC, 50/60Hz

Fuse:

Outputs / Outlets:

Bistable relays with indication on the front panel. IEC-C13, 110-240V AC, 50/60 Hz. No heat inside!

Power consumption:

Total power load:

Outlet power measurement:

Power reservation input terminal:

DC 12V backup power, 3.81mm, 2P

Outputs

VT-PDU 4PS

VT-PDU 4MS

Relays outputs: 12V 0.25A

Outlet sockets:

Inputs

VT-PDU 4PS

VT-PDU 4MS

Dry contact inputs (contact closures/digital inputs). Extendable using VT440 / Dry contacts extension unit

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

OSDP v2 reader extension:

Inlet socket:

Other connectors

VT-PDU 4PS

VT-PDU 4MS

Ethernet port: 10/100Mbit

USB-C: USB 2.0 HS

External Memory / Logs

VT-PDU 4PS

VT-PDU 4MS

Micro SD card slot (SDXC up to 512 Gb)

SD card formatting function (FAT32)

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

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

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

Syslog

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

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

Sample rate/period (logs, graphs)

External memory / Logs

VT-PDU 4PS

VT-PDU 4MS

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

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

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

Syslog

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

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

Sample rate/period (logs, graphs)

Modem (extension ordered separately)

VT-PDU 4PS

VT-PDU 4MS

4G LTE modem: ordered separately. 

Modem modes:

• Access: Internet access over LTE

• SMS: SMS notifications 

Modem LED: STATUS

Embedded onboard sensors

VT-PDU 4PS

VT-PDU 4MS

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

Environmental characteristics

VT-PDU 4PS

VT-PDU 4MS

Operating temperature: 0 to 60 °C

Storage temperature: –25 to 85 °C

Operating humidity: 0 to 90 %, non-condensing

Storage humidity: 0 to 95 %, non-condensing

Other Features

VT-PDU 4PS

VT-PDU 4MS

Installation: Extension brackets purchased separately

Dimensions (L x W x H) in mm:

Weight:

External chassis grounding: M4 thread

Extensions (Purchased separately)

VT-PDU 4PS

VT-PDU 4MS

VT127 / Vertical brackets:

VT128 / 19” bracket for one unit:

VT129 / 19” bracket for two units:

Web interface (panels)

VT-PDU 4PS

VT-PDU 4MS

Dashboard panel:

Overall statistics panel:

System tree panel: sensors and devices displayed in a hierarchy

Dry inputs panel:

Event log panel:

Logic schemes panel:

Cameras panel:

Map panel: 5 layers

Users panel:

CAN configuration panel:

Graphs panel:

Reset smoke detectors panel:

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

System menu panel: About, Firmware, Export, Support

List of latest sent SMS messages:

Analog sensor power reset: resets smoke sensors