RS2A03A2HA5

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The RS2A03A2HA5 servo drive features a motor power of 0.55 kW and a rated speed of 2000 min-1. Manufactured by Sanyo Denki as part of the R SANMOTION Servo Drives Series, it has a motor size of 130 mm and a protection code of IP65. This device includes a 17-bit serial absolute encoder and a brake rated voltage of 24 VDC ±10%.

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Wake Industrial Warranty

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Product Description:

Sanyo Denki’s RS2A03A2HA5 is part of the prestigious Sanmotion R series, featuring a powerful set of connection ports and interfaces. It supports mainly EtherCAT interface and features built-in functions for regenerative braking. Specifically designed for rotary servomotors, this amplifier has a capacity of 30 amperes and operates at an input voltage of 200 V. Whenever the motor encoder is connected, the servo amplifier can perform feedback and control functions with the help of the setup software. The RS2A03A2HA5 has a speed control range of 1:5000, allowing it to dynamically monitor and adjust the speed of the servomotor seamlessly.

The RS2A03A2HA5 features superior protection functions to protect the servomotor during operation. Some of the protection functions supported by the RS2A03A2HA5 are overcurrent, current detection error, overload, low supply voltage, encoder error, excessive position, overheating, and overspeeding. Like all other Sanmotion R servo amplifiers, the RS2A03A2HA5 has a built-in dynamic brake circuit and regeneration process circuit. The RS2A03A2HA5 can operate in either speed or torque control modes. Furthermore, this device incorporates a 5-digit LED display, which is useful for accessing and monitoring motor parameters during operation. At rated conditions, the RS2A03A2HA5 can safely operate at an ambient temperature of 0 to 55 degrees Celsius.

The RS2A03A2HA5 has an adjustable knob that can be used to select a device address. In total, the knob supports up to 16 addresses, which can be configured further using the amplifier’s setup software. To connect the industrial PC, proper connection must be made to the RS2A03A2HA5’s CN4 port. The external PC can be used to run the amplifier’s setup program and process data during operation. Wake Industrial offers this Sanmotion R amplifier alongside a one-year warranty.

Brake Rated Voltage
24 VDC ±10%
Brake Static Friction Torque
9.3 N·m
Compatible Amplifier
RS3A03A2HA4
Encoder Type
17bit serial absolute
Motor Mass
5 kg (11 lb)
Motor Power
0.55 kW
Motor Size
130 mm (5.12 inch)
Operating Temperature
0 to 40°C (32 to 104°F)
Peak Torque At Stall
7 N·m (62 lb·in)
Protection Code
IP65 (Optional: IP67)
Rated Speed
2000 min-1
Rated Torque
2.6 N·m (23 lb·in)
Rotor Moment Of Inertia
3.1 x10-4 kg·m² (1.05 lb·in²)

Frequently Asked Questions about RS2A03A2HA5:

Q: What is the main purpose of the external regenerative resistor in the RS2A03A2HA5?

A: The external regenerative resistor serves as an additional energy dissipator for the RS2A03A2HA5 to handle motor braking and high-frequency transients.

Q: What is the main purpose of the external noise filter in the RS2A03A2HA5?

A: The RS2A03A2HA5 can be used alongside a noise filter to block out noise generated by other devices and by the servo amplifier during operation.

Q: What is the purpose of the EMG switch in the RS2A03A2HA5?

A: The EMG switch can act as a protection device for the servo amplifier because it can turn the power on or off automatically based on some condition.

Q: What device can be connected to the RS2A03A2HA5’s CN4 port?

A: The RS2A03A2HA5’s CN4 port can support general inputs and the industrial PC.

Q: What is the purpose of the U, V, and W ports in the RS2A03A2HA5?

A: The U, V, and W ports in the RS2A03A2HA5’s front panel can be used to supply power to the servomotor.


Internal Product Review

  • ‘‘The RS2A03A2HA5 is an illustrious Sanmotion R amplifier created and released by Sanyo Denki for the most demanding automation systems and machineries. With a capacity of 30 A and a powerful set of built-in protection features, this device is perfect for ensuring reliable operation of medium-size servomotors.’’

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