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Data Loggers ​

The data-logger family collects field measurements and operating status and reports them to a platform. Standard Y921 models read RS485 Modbus RTU data and do not control field devices.

Product List ​

ModelProduct NameUplink OptionsPrimary RoleSpecification
Y921RS485 Cloud Data Logger4G, Wi-Fi, or RJ45 EthernetFour-port RS485 Modbus RTU collection and cloud reportingView

Selection Guide ​

  • Select Y921-G where no stable wired network or Wi-Fi is available.
  • Select Y921-W where a stable wireless LAN is available.
  • Select Y921-R where stable wired Ethernet is available.
  • Each standard model uses one uplink network. Combined networks require project customization.
  • Standard Y921 models collect RS485 Modbus RTU data. RS232, analog signals, other serial protocols, and third-party platform integration require project confirmation.
  • Network loss stops collection. Y921 does not cache or backfill the interrupted period.