X20ATA312
The X20ATA312 module from B & R Automation is a precision measurement solution in the X20 Fieldbus Input Output Modules family, engineered for high-accuracy temperature and resistance monitoring. This device features two PT100 (4-wire) inputs and direct resistance measurement capabilities, eliminating the need for external signal conditioners. Its onboard 24-bit digital converter, based on a Sigma-delta conversion procedure, delivers ultra-fine resolution and minimal noise, ensuring reliable data acquisition in demanding industrial environments. The module operates on a standard 24 V DC supply and is designed for seamless integration within automation control cabinets. It supports an operational elevation range from 0 to 2000 m above sea level, maintaining performance consistency in various installation settings.
Technical prowess is demonstrated through its configurable filter time of 1 to 200 ms, allowing engineers to optimize response rates for dynamic process control. The resistance measurement range of 0.5 to 390 Ω accommodates a broad array of RTD sensors and custom transducers, while the temperature measurement range from –200 to 850 °C ensures compatibility with extreme thermal applications. With a temperature sensor resolution of 1 LSB = 0.01 °C, this module delivers the granularity required for precise thermal regulation. Measurement outputs are provided in both DINT and UDINT formats, simplifying data handling and interoperability with PLC and SCADA systems.
Designed for robust industrial operation, the X20ATA312 carries an IP20 degree of protection per EN 60529, making it ideal for installation inside shielded enclosures or control panels. Its bus power consumption is a mere 0.01 W, minimizing load on the overall fieldbus network and supporting energy-efficient designs. The module’s storage and transport temperature range of –40 to 85 °C ensures durability throughout harsh logistical cycles. With high EMC immunity and low electromagnetic emissions, it meets stringent industrial automation standards, providing stable sensor feedback even in electrically noisy environments.
Integration into B & R Automation’s fieldbus ecosystem is straightforward, leveraging the module’s compatibility with the X20 backplane and seamless connectivity to automation controllers. The X20ATA312’s combination of advanced conversion technology, extensive measurement ranges, and flexible output formats makes it an excellent choice for applications in process automation, machine building, HVAC monitoring, and laboratory instrumentation. System architects will appreciate its compact footprint and native fieldbus integration, which streamline system design and reduce commissioning time.
