Model Q.Reader Central - Photovoltaic Data Logger
Effective PV Monitoring requires constant, solid and traceable PV Plant monitoring data in order to determine actual performance and fulfil owner/investor expectations. Operators are interested to identify errors and losses in a reliable way to trigger appropriate actions for maximizing energy harvest during the total system lifetime. The ^Q.reader is a data logger which can make the logging and control of all required PV plant information: string level (current, voltage), inverter data, meteorological data from weather stations, grid measurements and other state variables (switch gear, transformer status). At the same time, it also acts as the power controller for the grid operator. This accurate data acquisition and control concept is inverter independent and gives feedback about losses due to inverter malfunction, soiling, shading, PV Module degradation etc..
Data logger with integrated Plant control for reac...
- Data logger with integrated Plant control for reactive power, ramp rates etc.Up to 100MW of logging and control per device Control according to IEC 60870 (communication protocol for supervisory control and data acquisition
- Analog and digital inputs and outputs via Q.series I/O modules 24 bit resolution, sample rate 0.1 s up to 24 h
- 4x RS485 fieldbus interface Up to 115,2 kbps
- Ethernet interface for configuration and data transfer TCP/IP, UDP, FTP Server and FTP Client functionality Configurable functions
- Grid interaction based on IEC 60870, DNP 3
- Connectivity Protocols from all leading inverter manufacturers are integrated I/O devices (e.g. weather stations, medium voltage parameters
- Data memory with individual logging interval 8 GB flash 0.1 s up to 24 h, individual per channel
- Configurable monitoring with auto-alarming via e-mail or SMS local arithmetic functions
- Direct link to the gantner.webportal for worldwide data access
- Operating system Linux
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