Carlo Gavazzi has released two new management modules for photovoltaic systems. The VMU-C Eos-Web module, in combination with an Eos-Array, shows efficiency yield graphs and other information through a web browser. The VMU-W mobile modem unit is available if a wired internet connection is not available. The company says the system is effective for up to 1-MW solar plants. More about each system:
VMU-C Web Server Module:
- Micro PC with web-server and web-service capability
- Management of AC and DC measurements
- BOS, performance ratio and yield efficiency calculation
- Variables shown as graphs and tables
- Alarm control with emailing and SMS capability
- Can manage up to 18 VMU modules via local bus
- Or up to 11 independent EOS Arrays
- Can connect to one AC energy meter, one inverter
- V, A, kW, kWh DC (with VMU-S) AC (energy meters)
- Environmental measurements (with VMU-P)
- Internal data storage up to 30 years
- Optional data backup on micro SDHC memory
- Two RS-485, one Ethernet, two USB ports
- Dimensions: 2-DIN modules
VMU-W Cellular Modem for use with the VMU-C:
- Mobile based communication for VMU-C module
- Quad band GSM-GPRS-EDBGE standards
- Dual band UMTS-HSPA standards
- M2M SIM compatibility
- Three versions: North American, Asian and European
- Dimensions: 2-DIN modules
Carlo Gavazzi Inc.
www.GavazziOnline.com
