2AT300.6 B & R Automation
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Current response time:
5 Minutes
12 Seconds
The B & R Automation 2AT300.6 is a controller from the System 2010 Controllers series featuring 8 PT100 resistance inputs and automatic linearization. It offers a channel time of 33 milliseconds and a full scan time of 160 milliseconds, with 3-wire sensor wiring and a measurement range from -50 to 450 degrees Celsius. The device measures 285 by 40 by 185 mm and consumes a maximum of 9 watts of power.
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Product Description:
The 2AT300.6 is a temperature acquisition module produced by B & R Automation for the System 2010 Controllers series. It is designed to read resistance temperature detectors, specifically PT100 sensors, and forward conditioned data to the controller backplane so a process loop can react to thermal changes in real time. By accommodating eight resistance inputs arranged as two groups of four, the unit lets the host PLC monitor multiple zones without adding separate cards, simplifying cabinet layouts in industrial automation.
Each channel is updated within 33 msec, while a full sweep across all eight inputs is completed in 160 msec. These timings show how quickly the control program receives fresh temperature values. An input filter with a 2nd-order Bessel, 8 Hz response suppresses high-frequency noise before conversion. The excitation current supplied to every sensor is a precise 2 mA (±0.2 %), and the integrated converter processes the resulting voltage drop, then applies automatic linearization suited to the PT100 curve. This arrangement provides dependable readings across a range of -50 to +450 °C. Three-wire sensor connections compensate for lead resistance so long cable runs do not skew measurements, and the isolation structure separates each channel group from the processor while allowing a common reference within a group.
A resolution of 20000 steps lets the controller distinguish small temperature variations, and adherence to IEC/EN 60751 ensures compatibility with standardized RTDs. Power draw is limited to 9 W max, which helps reduce heat inside the enclosure, and the physical size of 285 x 40 x 185 mm fits a slim slot in the System 2010 rack. The module provides Input-PCC and Group-Group isolation for safety separation, while sensors within the same group share a common reference.
Frequently Asked Questions about 2AT300.6:
Q: Which type of sensor can be connected to the B & R Automation 2AT300.6 controller?
A: The 2AT300.6 is compatible with PT100 sensors using standard 3-wire connections.
Q: What is the supported temperature measurement range for the 2AT300.6 controller?
A: This controller accepts resistance inputs within a temperature measurement range of -50 to +450 °C.
Q: How many input channels does the 2AT300.6 controller provide?
A: The 2AT300.6 features 8 resistance input channels, arranged as 2 groups of 4.
Q: What type of input filtering is used on the 2AT300.6 controller?
A: Input signals on this model are filtered with a 2nd-order Bessel filter at 8 Hz.
Q: Which sensor standard does the 2AT300.6 controller comply with?
A: The 2AT300.6 meets the IEC/EN 60751 standard for sensor compatibility.
