New generation of SOLARMAN DIN-Rail logger——LD4G-3 is specially designed for small &medium-sized industrial & commercial PV plants. Featuring in high compatibility and functionality, investors, it can provide efficient, convenient and smart service for O&M providers and end-users.
Product Name: DIN-Rail Logger (4G)
Product Model: LD4G-3
Communication: 4G Cat.1
Function: Collect working status and generation status of inverter, weather station and smart meter
Feature: Real-time data transmission, varied chart display, SMS&E-mail notification
Easy to install: Wireless communication, standard DIN-Rail mounting
Wide voltage: Embedded AC/DC wide voltage module, resistant to unstable power supply shock
Data-resuming: ＞one-month data storage module, ensure data integrity
Real-time warning: Push early warning information & improve O&M efficiency
Multi-dimensional design: Hardware and software watchdog, private protocol, data verification, heartbeat detection
| LD4G-2 | LD4G-3 | |
| Remote Communication | 4G | 4G Cat.1 |
| Local Communication | RS485/RS422/RS232 | RS485/RS232（Optional） |
| No. Of Connection | ≤16 | ≤20 |
| Working Voltage | DC 5~15V | AC 150~380V |
| Consumption | 3W (max.) | 5W (max.) |
| Memory | 2MB FLASH | 32MB FLASH |
| User Configuration | AT+instruction set, remote server | Bluetooth, APP, remote server |
| Antenna | 4G small antenna | 4G sucker antenna |
| Environment | ﹣30℃~﹢70℃ (Battery version：﹣20℃~﹢60℃) | ﹣30℃~﹢70℃ (Embedded AC/DC module) |
| Size | 91mm*76mm*18mm | 91mm*68mm*54mm |
| Installation | 35mm DIN-Rail | |
For more information, pls visit: https://www.solarmanpv.com/products/din-rail-logger/
Sep 22, 2025 
Aug 16, 2024 
EN
