NSRT1024LQSEN Danaher
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The Danaher NSRT1024LQSEN is part of the Dynapar Resolvers series and features a stainless steel sensor with a resolution of 1024 pulses per revolution. This incremental, magnetic resolver operates with an input voltage range from 5 to 26 VDC, draws a typical current of 95 mA, and offers reverse polarity and short circuit protection. Its output is managed by an IC-WE differential line driver and the unit operates in temperatures from -40°C to 100°C.
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Product Description:
The NSRT1024LQSEN magnetic feedback device is supplied by Danaher within the Dynapar Resolvers series. It operates as an incremental position sensor that converts shaft rotation into digital quadrature signals for drives, PLCs, and motion controllers in automated machinery. By tracking equally spaced magnetic poles on its stainless steel rotor and reporting each transition through a differential line driver, the unit supplies real-time speed and direction data needed for closed-loop motor control on packaging lines, conveyors, and robotic axes.
The electronics draw a typical 95 mA from the supply, allowing several sensors to share one regulated rail. Operation begins at 5 VDC and remains reliable up to 26 VDC, so common 5, 12, or 24 V logic buses can power the unit without converters. The differential output stage can sink or source up to 150 mA, enabling direct connections to high-speed counters. This output capability is provided by an IC-WE differential line driver that produces complementary A and B channels. Reverse-polarity and short-circuit protection guard the device against wiring errors, and the A channel leads the B channel during counterclockwise rotation. Because no index signal is available, system homing must rely on external reference marks. A latching connector on an 18-inch cable provides a secure connection while allowing straightforward installation and disconnection.
Performance in dynamic applications is supported by a bandwidth of 180 kHz, allowing the quadrature channels to toggle fast enough for high-speed spindles without jitter. Each revolution yields 1024 PPR, providing the granularity needed for mid-resolution motion tasks. The magnetic pickup continues to operate from -40 °C to 100 °C, while the stainless steel construction resists corrosion and preserves magnetic alignment across this temperature range. Incremental sensing does not retain absolute position after power loss, while the device’s protective circuitry and solid-state design support consistent edge generation during operation. Its differential signaling also improves resistance to electrical noise when feedback cables pass near motors, switching devices, or other sources of electromagnetic interference. The complementary channel arrangement allows a connected controller to determine rotational direction while counting pulses for position and speed calculations.
