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VT855t Data Center Monitoring Unit

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Description

The VT855t Environmental Monitoring System is a comprehensive solution designed to ensure optimal operational conditions and protect the integrity of critical IT infrastructure within data centers. This advanced system offers precise real-time monitoring, alerting, and control of various environmental parameters essential to maintaining equipment performance, security, and longevity.

Hardware specifications

x8 Analog ports

Analog sensor range

VT408 analog sensor extension unit adds more ports

Plug & Play

5 level thresholds

Hysteresis for alert delay if the sensor value jumps to fast

Linear formula for sensor value adjustments

Math element for calculating your own formulas

Graphs, multi-graphs
LAN port

Ethernet 10/100 Base-T port, provides an Ethernet connection

Modem slot

VT740 LTE modem ordered separately

SMS notifications

Ethernet, network reservation

USB C

Connect USB100 camera for JPEG stream notifications

Use USB hub

Use USB Flash for logs

Upgrade firmware over USB

x2 CAN ports

Connect digital CAN sensors in a daisy chain

CAN sensor range

Connect CAN extensions

VT440 dry contacts extension

VT408 analog sensor extension

Buttons & switches

Restart button

Factory reset

N-R switch

LEDs

Activity, Error, Alarm

x2 12V relays

x2 NC-NO-COM relays

x32 Dry contact inputs

Receive voltage free signals from devices and sensors

E.g. door sensor, window sensor, UPS, diesel generators, circuit breakers, alarm system, control panels, and other industrial equipment.

Connect KMS-30 access sensor

x8 Dry contact outputs

Send voltage signals

E.g. UPS, diesel generators, circuit breakers, alarm system, control panels, and other industrial equipment.

Battery extension slot

Install VT-BAT or VT-ACCU backup battery PCBs

Power inputs

Order options include 24-48V DC and 230V AC power supply inputs/inlets

12V DC terminal for a battery

x2 NC-NO-COM relays

Control x2 power loads

E.g. light source, fan, aircon unit.

x2 12V 0.25A relays

Control VT103 alarm beacon

Control VT105 strobe light

Control VT11 relay contact switch

Control other 12V DC devices

SD card slot

Save logs to an SD card

SD card is not included

Up to 500Gb

Extension slot

Install VT485m Modbus RTU extension or VT485r reader extension

Onboard sensors

Temperature

Voltage sensors for power supply inputs

Other

Chassis grounding


Models

VT855 offers power reservation options when ordering the system

VT855t : x1 230V AC power inlet.

VT855tt : x2 230V AC power inlets, providing a redundant power supply for A&B power distribution.

VT855DC : x1 24-48V DC power input.

VT855DCDC : x2 24-48V DC power inputs providing a redundant power supply for A&B power distribution.

VT855tDC : x1 230V AC power inlet and x1 24-48V DC power inputs. Redundant.