V-Link 200 wireless node

Title 2

Wireless 8 Channel Analog Input Sensor Node

Introduction

Introducing our most advanced and high-performing wireless node to date. The V-Link®- 200 is LORD Sensing’s new wireless 8-channel analog input sensor, ideal for precise measurement of a variety of conditions—everything from voltage to acceleration.

Product Highlights

  • 8x higher sample rate (up to 4,096 Hz)
  • 4x more resolution (18-bit)
  • Dual power options (long-life battery and hardwired)
  • Four ±150 mVDC fully differential inputs
  • Four ±10 VDC single-ended inputs
  • Onboard memory for 8m data points

Features & Benefits

High Performance

Lossless data throughput and node-to-node sampling synchronization of ±50 μS in LXRS®-enabled modes

High resolution data with 18-bit A/D converter

Wireless range up to 1.5 km (500 m typical)

Ease of Use

Scalable networks for easy expansion

Rapid deployment with wireless framework

Remote configuration, acquisition, and display of sensor data with SensorConnect™

Optional web-based SensorCloud™ platform optimizes data storage, viewing, alerts, and analysis

Easy custom integration with open-source, comprehensive communications and command library

Cost Effective

Reduction of costs associated with wiring

Low-cost per channel with 8 input channels per node

Specifications

General

Sensor input channels

Differential analog, 4 channels

Single-ended analog, 4 channels

Integrated sensors

Internal temperature, 1 channel

Data storage capacity

16 M Bytes (5+ million data points)

Analog Input Channels

Selectable measurement ranges

Differential: ±1.22 mV to ±156 mV DC (bridge completion factory-configurable)

Single-ended: ±2.56 V dc, ±5.12 V dc, ±10.24 V DC, 0 to 5.12 V dc, 0 to 10.24 V dc

Single-ended Input Impedence

1 Mohm

Input bandwidth

DC-4000 Hz (-3 dB cutoff)

Accuracy

± 0.1% full scale typical

Noise

± 0.02% full scale

ADC Resolution

18 bit

Temperature stability

0.1 % full scale over temperature range

Anti-aliasing filter

Differential Inputs: 128 to 4 kHz, Sallen-Key

Single-ended Inputs: -3dB at 15kHz, Two-pole

Bridge excitation voltage

+ 4.096 V dc (150 mA max)

Measurement gain and offset

User-selectable in software on differential channels gain values from 16 to 2048

Integrated Temperature Channel

Measurement range

-40 °C to 85 °C

Accuracy

± 1 °C (at 25 °C) typical

Resolution

0.1 °C

Sampling

Sampling modes

Synchronized, low duty cycle, datalogging, event-triggered

Sampling rates

Continuous sampling: 1 sample/hour to 4 KHz*

Periodic burst sampling: 32 Hz to 8 KHz*

Datalogging: 32 Hz to 4096 Hz

Sample rate stability

± 5 ppm

Network capacity

Up to 127 nodes per RF channel depending on sampling settings. Refer to the system bandwidth calculator: http://www.microstrain.com/configure-your-system

Synchronization between nodes

± 50 μsec

Operating Parameters

Wireless communication range

Outdoor/line-of-sight: 1.5 km (ideal), 800 m (typical)**

Indoor/obstructions: 250 m (typical)**

Radio frequency (RF) channel allocation

2.405 to 2.470 GHz spread spectrum over 14 channels

 

RF communication protocol

IEEE 802.15.4, FSK/GMSK

RF transmit power

User-set from 0dBm to 20 dBm. CE limits maximum transmit power to 10 dBm in EU

RF receive sensitivity

-99.4 dBm

RF transmission rate

250 kbps

Power source

Internal: 4 replaceable 3.6 V DC, 2.4 Ah Lithium AA-cell batteries

External: +7.5 to +36V DC

Operating temperature

-40 ˚C to + 85 ˚C

Acceleration limit

100 g

Physical Specifications

Dimensions

129 mm x 82.5 mm x 31 mm

Weight

283 grams (with batteries), 217 grams (without batteries)

Environmental rating

Indoor use

Enclosure material

Molded polycarbonate

Integration

Mounting

Bolt-down or DIN-rail mount

Compatible gateways

All WSDA® base stations and gateways

Compatible sensors

Differential analog sensors, -10 to +10 V DC analog sensors

Connectors

Screw terminal block (M4 circular connectors on IP67 faceplate)

Shunt calibration

Internal shunt calibration resistor 499 KΩ, differential channels

Software

SensorCloud™, SensorConnect™, Windows 7 (or newer)

Software development

Open-source MicroStrain Communications Library (MSCL) with sample code available in C++, Python, and .NET formats (OS and computing platform independent): http://lord-microstrain.github.io/MSCL/

Regulatory compliance

FCC (U.S.), IC (Canada), CE, ROHS

*Divide maximum rate by number of active channels
** Line of sight with antenna at 3 meters

Product Taxonomy

Parameters

Applications

  • Condition-based monitoring
  • Structural load and stress monitoring
  • Test and measurement

Discontiuned

Documentation

Highlighted Docs

  • Firmware

Summary

LORD Sensing’s wireless 8-channel analog input sensor, ideal for precise measurement of a variety of conditions

Price

$0.00