RS3A05A0AL2

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The Sanyo Denki RS3A05A0AL2 servo drive, part of the R SANMOTION Servo Drives series, delivers a rated output of 1.5 kW and a rated torque of 7.2 N·m. It offers a continuous stall torque of 8.0 N·m and operates with a phase resistance of 0.43 Ω. This motor weighs 6.5 kg without brake and has a protection class of IP65, extendable to IP67.

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Product Description:

The RS3A05A0AL2 is another servo drive from the industrial manufacturer Sanyo Denki. For deterministic and synchronized motion check, increased frequency response has been incorporated. Furthermore, EtherCAT cycle time have also been included. To provide better motion governance, the speed frequency response has been elevated. The EtherCAT data transmission rate has been cut in half, and the speed frequency response has been doubled in comparison to our existing model.

As a high-performance multi-axis servo system that is distinguished by extraordinarily high dynamics and very fast cycle times, the SANMOTION R Series was presented to the market. One thing that should be investigated into consideration is that the motor current is monitored in cycles of microseconds (μs), and the minimum adaptable cycle time for EtherCAT is 62.5 microseconds (μs). Before being transmitted to the controller by means of EtherCAT, the process's data is often reviewed multiple times all through a single communication session. The utilization of a high-speed sampling mode enabled the development of these capabilities. Continuously monitoring the resistors and servo brake is a critical component of doing preventive maintenance on them. The RS3A05A0AL2 servo drive of the SANMOTION R Series is equipped with a capability that can monitor the holding brake deterioration of the servo motor and send a notification to the engineering or maintenance department via the motion control system.

In addition, the RS3A05A0AL2 servo system monitors its communication and power consumption in order to prevent failures in motion control, which in turn improves maintenance and overall equipment effectiveness (OEE). Thanks to these features, both a failure scan (remote), and preventative upkeep of user equipment are attainable.

Brake Static Friction Torque
9.3 N·m or higher
Continuous Stall Armature Current
9.4 Arms
Continuous Stall Torque
8.0 N·m
Maximum Stall Armature Current
25.5 Arms
Maximum Stall Torque
20.5 N·m
Phase Resistance
0.43 Ω
Protection Class
IP65 (optional: IP67)
Protection class
IP20
Rated Armature Current
8.6 Arms
Rated Output
1.5 kW
Rated Power Rate
70 kW/s
Rated Torque
7.2 N·m
Rotor Inertia
7.4 ×10⁻⁴ kg·m²
Servo Motor Mass
6.5 kg (8.1 kg with brake)
Torque Constant
0.98 N·m/Arms

Frequently Asked Questions about RS3A05A0AL2:

Q: What is the rated output of the RS3A05A0AL2?

A: The rated output of the RS3A05A0AL2 is 1.5 kW.

Q: What is the rated torque of the RS3A05A0AL2?

A: The rated torque of the RS3A05A0AL2 is 7.2 N·m.

Q: What is the continuous stall torque of the RS3A05A0AL2?

A: The continuous stall torque of the RS3A05A0AL2 is 8.0 N·m.

Q: What is the maximum stall torque of the RS3A05A0AL2?

A: The maximum stall torque of the RS3A05A0AL2 is 20.5 N·m.

Q: What is the rated armature current of the RS3A05A0AL2?

A: The rated armature current of the RS3A05A0AL2 is 8.6 Arms.


Internal Product Review

  • ‘‘The RS3A05A0AL2 servo drive has a 1.5 kW rated output and a torque constant of 0.98 N·m/arms. Sanyo Denki manufactures it as part of the R SANMOTION Servo Drives line, with an IP65 protection class and a possible upgrade to IP67. The motor weights 6.5 kilograms (8.1 kilograms with brake).’’

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