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inavitas
Level 3, 155 Queen Street ,
Brisbane City ,
4000
Australia
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inavitas - Model VTU - Voltage Tracking Unit

- Model VTU - Voltage Tracking Unit

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VTU (Voltage Tracking Unit) is a generation digital input module that provides voltage tracking in single phase or three phase systems. Digital input module has network analyzer specification that provides 4 channel voltage and 3 channel current input on device. In addition to network analyzer and voltage tracking, VTU provides to monitoring of energy parameters of single phase or three phase information that connects. Logical 1 and 0 informations can be set with VTU Configuration Software which voltage range will work. At the same time, power parameter may also be observed which is calculated as real time opening the door to a world of connectivity and control.

Specification

Device Specification

  • Supply Voltage Range : 9-18 VDC / 18-36 VDC
  • Nominal Supply Voltage : 12 VDC / 24 VDC
  • CPU : ARM Cortex-M4 32 Bit
  • Flash : 256 kB
  • Ram : 32 kB
  • Watchdog Timer : System Reset / 5 sec
  • Power Consumption : 1.5W @ 24 V DC
  • Real Time Clock : Available
  • Configuration
  • Inavitas VTU Configuration Software

Communication Specifications

  • Communication Protocols : Modbus-RTU (Slave) g/n
  • Serial Interfaces : RS-485 (Isolated), Micro USB Type 2.0
  • Serial Communication Speed : 1200bps – 115200bps
  • Connection Type : 3-Wired (A, B, GND), Semi Duplex
  • Data Type : 8 Bit Data, No Parity, 1 Bit Stop
  • Insulation : 2.5 kVAC RMS 1 Minute
  • Usb Data Transfer Speed : 480 Mbit/s

Digital Input Specifications

  • Voltage Measurement Range : 0 – 275 VAC,RMS
  • Number of Digital Channels : 18 Voltage Inputs
  • Logical “1” Value : Programmable, Default : ≥ 150VAC,RMS ≤ 275 VAC,RMS
  • Logical “0” Value : Programmable, Default : ≤ 150VAC,RMS
  • Input Current : 1.5 mA / Channel
  • Input Filter : Programmable, Default : 100ms
  • Input Change Counter : 32 Bit

Communication Specifications

  • Communication Protocols : Modbus-RTU (Slave), IEC60870-5-104, IEC62056-21
  • Serial Interfaces : RS-485, Micro USB C Type 2.0
  • Serial Communication Speed : 1200bps – 115200bps
  • USB Data Transfer Speed : 480 Mbit/s

Power Measurement Specifications

  • Voltage Measurement Range : 0 – 275 VAC,RMS (L – N), 0 – 500 VAC,RMS (L – L)
  • Curren Measurement Range : 1 – 4000 AAC,RMS (Split Type)
  • Frequency : 50 / 60 Hz ±5%
  • Voltage Channels : 3P + N (3 Phase Voltage and Neutral)
  • Current Channels : 3 Current Inputs
  • Sampling Frequency : 128 Sample / Cycle
  • Voltage Accuracy : ±0,5%
  • Current Accuracy : ±1%
  • Active Energy Accuracy : IEC 62053-22 Class 0.5S
  • Accuracy Class : IEC 61000-4-30 Class S
  • Environment Conditions
  • Operating Temperature : -25°C / +85°C
  • Storage Temperature : -40°C / +70°C
  • Operating Humidty : 25% – 95% RH
  • Protection Class : IP20

Mechanical Specifications

  • Device Dimensions (W x H x D) : 35mm x 100mm x 115mm
  • Weight : 150gr

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