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Remote Data Manager

The SITRANS RD500 is a remote data manager providing integrated web access, alarm event handling, and data capture for instrumentation. The RD500 is an easy-to-use remote data manager, using a web-based application and hardware modules. 

RD500 Catalog Specifications

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The unique modular approach of the SITRANS RD500 remote data manager allows a variety of process signals to be monitored, while the serial ports allow data to be collected from any Modbus RTU device. The RD500 comprises a master communications module and up to 16 slave modules. Various module types are available, allowing up to a maximum of 128 conventional inputs and outputs. The RD500’s serial ports can collect data from up to 247 Modbus RTU slave devices including field instruments. The RD500's built-in web server, FTP, and email client allows the process to be monitored remotely. Alarm notifications are communicated through email and SMS text messages to one or more recipients to ensure that appropriate actions are taken by personnel. The RD500 supports external modems, providing flexibility for applications in which cellular or landline connectivity is desired. The RD500 is configured via a web-based interface - a standard browser is all the software you need to configure your system.


Key Applications: remote monitoring of inventory, process and maintenance applications, with web access to field instrumentation


  • RD500 supports report and alarm events via email, SMS, and FTP transfer
  • Web server provides worldwide access to instrument data log and RD500 configuration and setup
  • Offers scalability with optional I/O modules for current (4 to 20 mA), voltage (0 to 10 V), thermocouple (TC), resistance temperature detector (RTD), and digital I/O
  • 10 base-TI 100 Base-TX ethernet and support for 3G, GSM, GPRS, and PSTN provide flexible remote communications options
  • Supports up to 128 devices with the flexible I/O modules and up to 247 Modbus serial devices
  • Integrated FTP server and client supports FTP data synchronization to central servers
  • Compact flash slot supports up to 2 Gigabytes of expandable memory for data capture and storage.
  • Log files formats are CSV (comma separated values) for data files and HTML for report files

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