Integrated data logger with SD card storage MELSEC L controllers record process data (up to 128 parameters) and store it on an SD card. Built-in Ethernet port • programming of the controller, including the remote one; • communication with operator panels and SCADA systems; • communication with other controllers; • control of executive devices and devices for interfacing with objects, including using the Modbus TCP protocol; • synchronization of the controller clock with the SNTP server; • export of data accumulated by the built-in data logger to a specified FTP server.