RS2A05A2HA5W10 Sanyo Denki
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The Sanyo Denki RS2A05A2HA5W10 is a single-axis servo amplifier designed for rotary motors and is part of the R SANMOTION Servo Drives series. It has an amplifier capacity of 50 A, supports analog and pulse inputs, and operates in the AC200V power class. The drive features a 15-bit encoder resolution and a full duplex Manchester 1.0M encoder transfer method.
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Product Description:
The RS2A05A2HA5W10 is a single-axis servo amplifier produced by Sanyo Denki for the R SANMOTION Servo Drives series. It operates between a motion controller and a rotary servo motor in automated equipment such as pick-and-place stages, indexing tables, and packaging lines. The amplifier converts command signals into controlled motor phase current and manages communications with the connected encoder. These functions enable precise velocity and position regulation while allowing the motion controller to coordinate the axis with other machine operations.
The amplifier can deliver up to 50 A of output current, providing headroom for rapid acceleration and short-term overloads. It belongs to the 200 V AC power class, so it connects directly to a standard 200-volt three-phase power source. Motor position is digitized at a 15-bit resolution, providing detailed feedback for closed-loop motion control. Feedback data travels over a Full Duplex Manchester 1.0M link, which supports simultaneous forward and return communication without data collisions. Command references are accepted through an analog or pulse input, allowing the amplifier to receive either ±10 V velocity commands or high-frequency step-and-direction signals from an indexing card. The encoder interface uses a request-method absolute protocol, allowing the drive to poll the encoder for position data at power-up without requiring a mechanical homing cycle.
The amplifier also supports an external pulse encoder when secondary feedback is needed for gantry or geared applications. On the motor side, a serial encoder reduces the required cabling while maintaining resistance to electrical noise. Multi-turn feedback has a 13-bit resolution, allowing the controller to track as many as 8,192 shaft revolutions without a battery. The intended load is a rotary motor, and the amplifier scales its commutation tables for this motor type. Absolute feedback allows the drive to retain useful position information across power cycles, while the external encoder connection can monitor an additional motion point. Pulse chaining can synchronize auxiliary axes, and the available current capacity supports stable motor control during demanding acceleration and positioning cycles.
