LOGR | Met Data Logger

LOGR | Met Data Logger - Solar

The LOGR | Met Data Logger is the next generation in wind and solar resource measurement, combining unparalleled security and ease of use to deliver the highest quality data for your pre- and post-construction campaigns.

	NO MODEM (#9458)
Description
Instrument type	NRG Data Logging Instrument
Applications	Wind Resource Assessment, Wind Resource Monitoring, Solar Resource Assessment, Solar Resource Monitoring, SCADA sensor interface
Data Collection
Sampling interval	1 Hz (IEC 61724-1 and IEC 61400-12-1:2022 compliant)
Averaging interval	Selectable 1-minute (IEC 61724-1:2021 compliant), 5-minute, or 10-minute (IEC 61400-12-1:2022 compliant)
Real time clock	Internal with battery backup Time synchronization via SNTP
Storage medium	8 GB microSD card
Maximum data storage	>1 year (all data with maximum configuration)
Channel Capacity	Sixteen (16) analog channels (single-ended) or eight (8) differential Selectable Excitation on each Analog port, 5 V or 12 V, constant or pulsed Four Modbus ports; Up to Twenty-four (24) Modbus Sensors with up to 48 total Measurands Ten (10) counter channels, with independent 12 V excitation on each Twenty (20) calculated channels Three (3) outputs to power external equipment including heater / ventilators or external modems
Counter Channels Sensor Compatibility	Built in support for a wide array of anemometers including: NRG S1 or other opto anemometers NRG 40C, Class 1, or compatible sine wave anemometers Reed switch anemometers Other frequency signals up to 2,500 Hz Includes totalizer mode for tipping-bucket rain gauge and other accumulator sensors
Analog Channels Sensor Compatibility	Built in support for a wide array of analog sensors including: NRG meteorological sensor suite (200M Wind Direction, T60 Temperature, BP65 Barometric Pressure, RH5X Relative Humidity, etc.) Potentiometer wind vanes (NRG 200P, Thies, Wind Monitor) Industry-standard analog pyranometers (Hukseflux SRxx series, EKO MS-xx series, Kipp & Zonen CMP series, etc.) NRG PVT1 or other 10 kΩ NTC thermistors RTD (Pt100, Pt1000) type temperature sensors
RS-485 Channels Sensor Compatibility	Built-in support for most Modbus RTU sensors (including Hukseflux SR series) Contact NRG to discuss support for additional model types or protocols.
Parameters recorded for each channel	Average Standard deviation Minimum and maximum 1-s sample Optionally records each 1-s sample IEC 61400-12-1:2022 compliant; statistics reported depend on measurement type.
Data delivery	Supported Protocols: SMTP-TLS SFTP
Security	Password-protected web server access Web server uses secure HTTPS E-mail via secure SMTP All file transfers via secure SFTP
Counter Channel Measurement Accuracy	IEC 61400-12-1:2022 compliant No missed pulses Timebase accuracy 20 ppm
Analog Measurement Uncertainty (K=2)	All voltage signal +/- 10 V range, single-ended: 256.724 uV, differential: 579.338 uV +/- 1.2 V range, single-ended: 67.0302 uV, differential: 37.027 uV +/- 75 V range, single-ended: 60.647 uV, differential: 6.509 uV Thermistor 10 kΩ NTC: 0.006 °C Pt100 RTD: 0.054 °C Pt1000 RTD: 0.053 °C 1 kΩ potentiometer wind vane: 0.063° 10 kΩ potentiometer wind vane: 0.032°
Resolution
Analog measurement resolution	24-bit signed A/D conversion
Software
Type	Onboard web server for logger configuration and administration Modbus Demo Client for testing prior to connecting to SCADA
Configuration
User interface	Web browser on computer or smartphone connected on Ethernet or Wi-Fi System configuration access and extensive diagnostics available via web interface Wi-Fi wake / sleep button 3 LED indicators and audible beeper for user feedback Recessed reset button on front panel
Connections
Sensor wiring	8 analog sensor wiring ports Two single ended or one differential sensor per Analog port Excitation configurable for 5 V or 12 V, up to 50 mA per Analog port to power sensors Four (4) dedicated RS-485 sensor wiring ports Excitation 12 V at up to 1 A per RS-485 port to power sensors 10 Counter channel ports Excitation 12 V, up to 50 mA per Counter port to power sensors 2 outputs to control 12 V loads or relays 1 output to control 5 V loads or relays Enclosure ground lug connects to functional earth ground with included ground cable
Communication ports	Ethernet port serves web access, SNTP, SFTP, SMTP email, or Modbus TCP. Ethernet port connects to external modem for remote access Modbus RTU port for connection to SCADA Creates a Wi-Fi hot spot for web access using any computer or smartphone with Wi-Fi
Power requirements
Built in Charge Controller	Combines DC power and PV power to charge battery and power the system MPPT for PV input Preconfigured for 12 V (6 cell) lead-acid batteries Max 6 A charging
Batteries	Coin cell battery for clock backup
External power input	DC (grid or other) 12 to 28 V DC, 15 A capacity PV, 28 V max, 15 A capacity Battery port for external 12 V lead-acid battery, 15 A capacity
Installation
Mounting	35 mm DIN rail, 247 mm (13 U) wide
Tools required	2 mm flat blade screwdriver for wiring input terminals 5/16" nut driver or wrench for ground terminal
Configuration and Diagnostics	Access configuration and diagnostics via an Ethernet or Wi-Fi connected device with web browser
Environmental
Operating temperature range	-40 °C to 65 °C (-40 °F to 149 °F)
Operating humidity range	0 to 100% relative humidity non-condensing IP65 ingress protection with proper installation in NRG shelter box enclosure
Physical
Dimensions	247 mm x 137 mm x 133 mm (9.72" x 5.39" x 5.24")
Materials
Enclosure	Formed aluminum enclosure
Shipping
Shipping weight	1.8 kg (4 lbs.) (with included grounding wire and sensor plug set)

NRG Systems • 110 Riggs Road • Hinesburg, Vermont 05461 • +1 802-482-2255 • info@nrgsystems.com