Data Logger

DIN-Rail Logger

  • By collecting operating status and power generation of inverter, meter and other devices, DIN-Rail logger can run a long-term and efficient monitoring of PV system.
  • Logger can connect to multiple devices via RS485/RS422/RS232 and other interfaces. Meanwhile, remote monitoring cloud platform (SOLARMAN Portal) provides powerful data support for the logger.
  • Logger sends the data to the monitoring platform via WiFi/Ethernet/GPRS. The real-time status and historical data can be displayed with graphs, enabling intuitive and clear understanding of PV system.


Suitable for 35mm DIN-Rail mount
Real-time alerts with timely notification, ensuring fast troubleshoot;
Timely alert report, helping users understand risks and problems about their plants in time
Ensure data integrity
Real-time alerts with timely notification, ensuring fast troubleshoot;
Pair with DIN-Rail power supply device, achieving power-off reminder function.
Review data via APP/Web at anytime and anywhere
Product ModelLD4G-2LDW-1LD4G-3
Remote Communication Interface4GWiFi4G(Cat.1)
No. of Connections1-161-101-20
Working VoltageDC5-15VAC150-380V
Memory2M Flash (512K-16M Optional)Default: 32M Byte Flash

Data Sheet

SOLARMAN Din Rail Logger LD4G-2
SOLARMAN Din Rail Logger LDW-1
SOLARMAN Din-rail Logger LD4G-3