# AutomationDirect SV2A-4200

Hardware · `SV2A-4200` · verification: source checked

The SV2A-4200 is a SureServo2 AC servo drive rated 2 kW with a 460 VAC three-phase input. It controls a servo motor in torque, velocity or position mode using step/direction, CW/CCW, A/B quadrature, analog or internal indexing commands. It communicates as a Modbus RTU or Modbus ASCII slave over one RS-485 RJ45 port, and optional EtherNet/IP and Modbus TCP cards can be added.

## Specification

| Property | Value |
|---|---|
| Category | servo drive |
| Supply voltage | 460 VAC, 3-phase |
| Rated power | 2 kW |
| Rated current | 6.3 A |
| Feedback | 24-bit (16777216 ppr) |
| IP rating | IP20 |
| Operating temp min | 0 °C |
| Operating temp max | 55 °C |

## Connected

- Manufacturer: [AutomationDirect](https://machineschema.com/manufacturer/automationdirect.md)
- Protocols: [MODBUS ASCII](https://machineschema.com/protocol/modbus-ascii.md), [MODBUS RTU](https://machineschema.com/protocol/modbus-rtu.md)

## Safety

- A STO connector (ADC part SV2-CN10-STO) is supplied with the drive.
- UL Listed, file # E198015; UL Recognized file: none; UL Hazardous file: none.
- CE declaration available; RoHS status: Yes; EU REACH document available.
- CSA file: none.

## Study notes

- For use with 2 kW systems.
- RS-485 (RJ45) port runs Modbus RTU Slave and Modbus ASCII Slave at up to 115.2k baud.
- Encoder input accepts up to 24-bit (16777216 ppr); an encoder output is provided.
- Command signals: step and direction, CW/CCW, A/B quad, internal indexing via discrete input and communication port, torque and velocity via analog input.
- I/O: 10 sinking/sourcing discrete inputs, 6 sinking/sourcing discrete outputs, 2 analog voltage inputs (+/- 10 VDC) and 2 analog voltage outputs (+/- 8 VDC).
- Output type is SVPWM; tuning modes are easy/auto (4 methods) or manual.
- Configured by software and keypad; panel mounting in an enclosed housing.
- Protection functions listed: overcurrent, overvoltage, undervoltage, over-temperature, regeneration error, overload, velocity/position error, encoder error, secondary encoder position error, communication error, short circuit.

## Sources

1. [Servo Drive: Modbus RTU and ASCII, 2 kW, 460 VAC, 3-phase (PN# SV2A-4200) | AutomationDirect](https://www.automationdirect.com/adc/shopping/catalog/motion_control/sureservo2_(sv2a_series)_servo_systems/460v_servo_motors,_drives,_motor_cables/sv2a-4200) (accessed 2026-10-26)
2. [SV2A 4200 cutsheet](https://cdn.automationdirect.com/static/specs/cutsheet/SV2A-4200_cutsheet.pdf) (accessed 2026-10-26)

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