8MSA2l.R0-16 B & R Automation
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The B & R Automation 8MSA2l.R0-16 is part of the 8MS Three Phase Synchronous Motors series and has a motor size of 2. It features a self-cooling system and uses a BRX type resolver with a non-linearity of ±1 angular minute. The permitted axial force during installation is 200 Newtons.
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Product Description:
The 8MSA2l.R0-16 is a three-phase synchronous motor produced by B & R Automation for the 8MS Three Phase Synchronous Motors series. This component is installed in automated machinery where reliable rotary motion is required, converting electrical energy into controllable shaft torque. Its housing supports direct attachment to compatible mechanical transmissions, while its electrical interface allows operation with a matched inverter. The motor provides responsive movement for indexing, positioning, and speed-regulated applications in packaging, material-handling, and light assembly systems.
The motor uses a self-cooling design that dissipates heat through the housing without requiring an external fan or liquid cooling circuit. Feedback is provided through a resolver, allowing the drive to determine the rotor angle in industrial environments where electrical noise may be present. The unit has motor size 2, which provides a compact frame while retaining suitable torque capacity for automated machinery. During installation and operation, the shaft can withstand an axial force of up to 200 N without exceeding its stated axial load limit. Resolver nonlinearity is limited to ±1 angular minute, reducing variation between the resolver’s signal and the actual rotor position over a complete revolution. This feedback supports stable velocity regulation when the motor operates at low speeds or follows closely spaced position commands.
The resolver has a precision of ±10 angular minutes, indicating the maximum absolute angular error available to the control system. Its sensing element uses the BRX resolver style, which provides rugged analog position tracking and works with compatible excitation and demodulation circuits in servo drives. The drive treats the resolver as the primary encoder for position and velocity feedback. Interpolated feedback signals allow the controller to monitor gradual rotor movement and regulate torque during small incremental commands. Accurate angle detection also helps coordinate the motor with other axes during synchronized machine cycles. The resolver does not depend on optical components, making its feedback method suitable for machinery exposed to vibration, dust, or changing operating temperatures.
