7XX415.50-K02 B & R Automation
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The B & R Automation 7XX415.50-K02 is a bus controller from the 7XX Bus Controllers series with a 24-bit ADC resolution and a sigma delta conversion method. It features 16 digital inputs, 8 digital outputs, and 2 strain gauge inputs, supporting a maximum total output current of 10.0 A. The unit operates at a supply voltage of 24 VDC, consumes 4.0 W, and has IP20 protection in a compact 80 x 170 x 30 mm case weighing 405 grams.
Internal Product Review
The 7XX415.50-K02 is a B & R Automation bus controller that stands out for precise signal processing with 24-bit ADC resolution and Sigma Delta conversion. Differential analog input architecture and 4-wire wiring support accurate strain-gauge measurement in demanding control applications. IP20 protection and a 24 VDC supply make the unit a strong choice for dependable industrial integration.
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Product Description:
The 7XX415.50-K02 is a modular bus controller manufactured by B&R Automation for the 7XX Bus Controllers series. It serves as an interface that conditions sensor signals, drives actuators, and forwards data to higher-level PLC networks within distributed control architectures. The unit operates from a regulated 24 VDC supply and provides two strain-gauge input channels, so load cells or force transducers can be read directly without external amplifiers. This arrangement supports compact machine layouts where signal conversion and field-level I/O are combined in one module.
The analog front end employs a 24-bit converter arranged for Differential measurement, allowing microvolt-level resolution while rejecting common-mode noise. Its internal method is Sigma Delta, which oversamples and digitally filters each channel to improve signal quality when the embedded bridge excitation of 4.5 VDC is applied to the sensors. Discrete control is handled by 16 opto-isolated digital inputs and 8 sourcing outputs that use a high-side driver topology. This layout lets the controller read field contacts and switch small external devices from the same station, while standard 4-wire sensor cabling keeps excitation and measurement paths separate for stable bridge readings.
Electrical demands remain modest, with a consumption of 4.0 W and a permissible aggregate sourcing load of 10.0 A across the output bank. An IP20 protection category limits installation to enclosed cabinets, which suits control panels where the module is shielded from direct contact and airborne debris. Overall dimensions of 80 × 170 × 30 mm and a weight of 405 g support straightforward DIN-rail mounting next to companion I/O slices. The narrow housing also helps conserve panel space when several signal and output modules are installed side by side.
