SG-Link 200 OEM, Wireless Analog Input Node

• 1 differential and 1 single-ended input channel
• Differential channel compatible with 120, 350, and 1k Ohm
• Wheatstone bridge sensing circuits
• On-board temperature sensor
• Digital input channel for RPM and pulse counting
• Supply power from 3.3 to 30 V
• Continuous, periodic burst, and event-triggered sampling
• Output raw data and/or derived channels such as mean,
• RMS and peak-peak
• LXRS protocol allows lossless data collection, scalable
• Networks and node synchronization of ±50 µs
• Remote strain calibration using on-board shunt resistor

Downloads

Datasheet
Quick Start Guide
User Manual
Mechanical Drawing (STP)

General Information

LORD Sensing Wireless Sensor Networks enable simultaneous, high-speed sensing and data aggregation from scalable sensor networks. Our wireless sensing systems are ideal for test and measurement, remote monitoring, system performance analysis, and embedded applications.

The SG-Link^®-200-OEM allows users to remotely collect data from a range of sensor types, including strain gauges, pressure transducers, and accelerometers. The node supports high resolution, low noise data collection from 1 differential and 1 single-ended input channels at sample rates up to 1 kHz. A digital input allows compatibility with a hall effect sensor for reporting RPM and total pulses, making the sensor ideal for many torque sensing applications.

Users can easily program nodes for continuous, periodic burst, or event-triggered sampling with the SensorConnect software. The optional web-based SensorCloud^® interface optimizes data aggregation, analysis, presentation, and alerts for sensor data from remote networks.

Specifications
Parameter	Value
Analog Input Channels
Sensor input channels	1 differential, 1 single-ended and 1 RPM/pulse input
Sensor excitation output*	Configurable 1.5 or 2.5 V (100 mA)
Measurement range	0 to Excitation Voltage (1.5 or 2.5 V)
Adjustable gain	1 to 128
ADC resolution	24-bit
Noise (Gain = 128)	1 µVp-p to 20 µVp-p (filter selection dependent)
Noise (Gain = 1)	15 to 250 µVp-p (filter selection dependent)
Temperature stability (−40 to +105 °C)	0.172 µV/°C (typical)
Digital filter**	Configurable SINC4 low-pass filter for reducing noise
Strain calibration	Onboard shunt resistor used for deriving strain calibration coefficients (y = mx + b)
Shunt calibration resistor	499 kΩ (± 0.01%)
Integrated Temperature Channel
Measurement range	−40 °C to 105 °C
Accuracy	± 0.25 °C
RPM Sensing
Sensor input	Open collector, open drain or digital pulses from hall effect or other source
Range	0.1 to 100 Hz (6 to 6000 RPM)
Accuracy	± 0.1% (typical)
Sampling
Sampling modes	Continuous, periodic burst, event triggered
Output options	Analog: Calibrated engineering units, ADC counts, mean, RMS, peak-peak / Digital: Speed (Hz or RPM) and pulse counts
Sampling rates	Up to 1024 Hz
Sample rate stability	± 5 ppm
Network capacity	Up to 128 nodes per RF channel (bandwidth calculator)
Node synchronization	± 50 µs
Data storage capacity	16 MB (up to 8,000,000 data points)
Operating Parameters
Wireless communication range	Outdoor line-of-sight 2 km (ideal), 800 m (typical); Onboard antenna 1 km (ideal), 400 m (typical); Indoor 50 m (typical)
Antenna	Surface mount or external via U.FL connector
Radio frequency (RF) transceiver carrier	License-free 2.405 to 2.480 GHz (16 channels)
RF transmit power	User-set 0 dBm to 20 dBm (regionally restricted)
Power input range	3.3 V DC to 30 V DC
Operating temperature	−40 °C to +105 °C
ESD	4 kV
Physical Specifications
Dimensions	41.3 mm × 29 mm × 5.9 mm
Interface	Solder or screw-down terminal available
Weight	7 grams
Integration
Compatible gateways	All WSDA gateways
Software	SensorCloud^®, SensorConnect — Windows 7, 8 & 10 compatible
Software development kit	http://www.microstrain.com/software/mscl
Regulatory compliance	FCC (USA), IC (Canada), CE (EU), JET (Japan)