NRG Product Manual
LOGR-S Data Logger
NRG_LOGR-S_Manual
Rev. 1.0
[email protected] | Page 57
5 November 2021
APPENDIX A | TECHNICAL SPECIFICATIONS
Please see
for up-to-date product specifications.
Description
Instrument type
High utility data logger and real-time sensor interface
Applications
Solar resource monitoring
Data Collection
Sampling interval
1 Hz (IEC 61724-1 compliant)
Averaging interval
1-minute (IEC 61724-1 compliant)
Real time clock
Internal battery-backed with time synchronization
Storage medium
8 GB microSD
Maximum data
storage
90 days (all data with maximum configuration)
Channel Capacity
• Fourteen (14) analog channels (single
-ended); Seven (7) differential
• Twenty
-four (24) serial channels via two (2) RS-485 communication ports
• Two (2) PV Input channels (soiling measurement)
• Ten (10) calculated chan
nels plus dedicated soiling ratio calculation
• Counter channel support coming soon
Analog Channels
Sensor Compatibility
Compatible with a wide array of sensors including:
• Standard analog sensors including NRG meteorological sensor suite (T60
Temperature, BP60
Barometric Pressure, RH5X Relative Humidity, etc.)
• Industry
-standard pyranometers (Hukseflux SRxx series, EKO MS-xx series, Kipp & Zonen
CMP series, etc.)
• 10K NTC Thermistor and RTD (PT100, PT1000) type temperature sensors
Analog Measurement
Accuracy
Uncertainty (k=2):
450 µV @ (-10 to +10) V
61 µV @ (-1 to +1) V
8.5 µV @ (-70 to +70) mV
RS-485 Channels
Sensor Compatibility
Supports configurable Modbus RTU data acquisition. Contact NRG to discuss support for
additional model types or protocols.
Parameters recorded
for each channel
• Average
• Standard deviation
• Minimum/Maximum 1
-sec sample
Note: Statistics reported on each channel dependent on measurement type
Data delivery
• Real
-time data delivery via Modbus registers (TCP via Ethernet or RTU via RS-485)
• Scheduled delivery of historical data via FTP
• On
-demand transfer of historical data via internal web server to FTP
Security
Password-protected web server access
Resolution
Analog measurement
resolution
24-bit signed A/D conversion
Software
Type
• Onboard web server for logger configuration and administration
• Modbus Demo Client to test configured unit prior to connecting to SCADA
Summary of Contents for LOGR-S
Page 1: ...LOGR S Manual 11 5 2021 1 ...