Data logger with RS232 and IP64 enclosure


This data logger stores data records of a RS232 interface to the SD card. The device is delivered ready for use. The data logger has a real time clock, so that the records can be provided with the storage time. By changing the script, the device can be programmed. The data logger is installed in a weatherproof housing.

Avisaro data logger cube stores your technical information on SD card

  • Automatic, stand-alone logging
  • Data output on SD card
  • Timestamp functionality
  • Weather- and dust resistant
  • Recording format is selectable: ASCII (CSV format), binary
  • Ready-to-use and easy to configure by script and interface
  • Optional: WiFi for wireless data retrieval


Part numbers

Part no. M21766: RS232 data logger for SD cards (link: <Shop>)

Scope of delivery: Data Logger Cube
Pre-installed is the "MR1" script (record all data as they are). Other operations, see "predefined Scripts".

Technical details

RS232 interface

  • Industry standard RS232 interface(s)
  • Baud rate 1200 bit/s to 1 Mbit/s
  • Average processing rate max. 500 kbit / s
  • 7/8 data bits, parity, stop bits
  • RTS / CTS and XON / XOFF flow control

Storage medium (SD cards)

  • Card slot for SD and SDHC cards up to 16 GB
  • Almost all brand manufacturers
  • FAT32 file system, short (8.3) file name
  • Files directly readable on PC

Mechanical Data

  • Dimensions: 98 x 64 x 34 mm
  • Weight: 160 g
  • Protection class: IP66 (waterproof)
  • USB stick or SD card under screwed lid
  • max. Temperature: -30 ° C to 85 ° C, unless manufacturer of memory card has other restriction

Power supply

       Depending on the product version

  • D-Sub Version: Barrel connector and D-Sub
  • Wago Version: WAGO terminal
  • Cube Version: Crew terminal
  • Supply voltage: 6V - 32V
  • Consumption: approximately 0.5 to 2 W depending on product options
  • Buffered real-time clock internally (about 1 month)

Support, manuals and downloads

Product Flyer

A brief product overview.

 Product Flyer M21766 (pdf)

 Product Flyer C21766 (pdf)

Cube Leaflet "Getting Started"

Brief information for getting started with the Cube products

 Cube Leaflet - Getting Started leaflet (ENG).pdf

User Manual

User documentation to get the products up and running, find information on predefined application ("Scripts"), interface layout.

 Avisaro Serie 2 User Manual (DE).pdf

Technical User Manual (ENG)

All the technical details. Electrical and mechanical information. Introduction into user modes.

 Avisaro Serie 2 Technical User Manual (ENG).pdf

Further documentation

More documentation can be found <here> 
(Support > Download)

Options and accessories

DIN Rail fittingAGO cage clamp
Pre-mounted DIN rail fitting if ordered along with the products. Part# Z4911. <more>

Predefined scripts (application apps)

MR1: Log data 'as ist' into a file

With this script data from a RS232, SPI or I2C interface to an SD card are stored. All data are continuously written without change to a file. The data source can, for example, a PLC industrial control system, a sensor or the RS232 output for a receipt printer, etc..  <more...>

Scripts ("Apps") - Overview

Avisaro provides a collection of ready-to-use scripts. Please remind, that not all scripts are for all devices. Find the overview <here ...>

Application examples

Record data from an RS232 interface to local storage
Store data to USB stick in text or binary format <more>

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