3AI350.6 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 3AI350.6 is part of the System 2005 Controllers series and features 8 differential analog inputs with an input range of ±10 V. It offers a resolution of 12 bits and basic accuracy of ±0.1% at 25°C. The module supports channel-to-PLC isolation and has a protection rating of IP20.
Internal Product Review
The 3AI350.6 is an analog input module for B & R Automation System 2005 Controllers, configured with 8 analog inputs and a differential input design. Measurement performance is impressive, with 12-bit resolution and basic accuracy of ±0.1% at 25°C supporting dependable signal acquisition. Channel-to-PLC isolation makes this module a strong choice for precise industrial analog control.
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Product Description:
B & R Automation manufactures the 3AI350.6 analog input module for its System 2005 Controllers series. The unit slides into the I/O backplane and digitizes sensor voltages so that the central processor can perform real-time control and diagnostics. By concentrating eight differential channels on one compact board, the module reduces cabinet wiring and removes the need for external signal conditioners in machining, material-handling, and energy-management installations. It can read multiple process signals in one slot, which helps keep rack layouts compact and shortens field wiring paths inside the cabinet.
The 3AI350.6 offers 8 simultaneous channels that accept bipolar voltages up to ±10 V. Each signal is quantized by a 12-bit converter, and all channels are refreshed in <1 ms, keeping high-speed loops synchronized with plant dynamics. Input stages include protection against accidental connection to the supply rail and present no channel-to-channel isolation, while isolation toward the controller backplane is provided. Results are transferred as signed integers in INT format. Power demand is 3.5 W from the 24 V supply and 1.0 W from the 5 V logic rail, figures that must be reserved in the system power budget when multiple modules share the same source.
Total dissipation sums to 4.5 W, so thermal loading of adjacent cards stays within enclosure limits. The front end employs a Differential input circuit with an input resistance of 2 MΩ, minimizing sensor loading while rejecting common-mode noise. Measurement precision is held to ±0.1 % at 25 °C, supporting accurate closed-loop calculations. The housing carries an IP20 rating, suitable for protected control cabinets where accidental finger contact must be avoided yet environmental sealing is not required. The module is intended for protected cabinet installation rather than direct exposure to washdown areas or outdoor conditions.
