# AutomationDirect SV2A-2550

Hardware · `SV2A-2550` · verification: source checked

The AutomationDirect SV2A-2550 is a SureServo2 servo drive rated 5.5 kW for 230 VAC three-phase input. It controls torque, velocity, and position and communicates over an RS-485 port using Modbus RTU or Modbus ASCII. It is intended for use with 4.5 kW and 5.5 kW servo systems and has an IP20 enclosure.

## Specification

| Property | Value |
|---|---|
| Category | servo drive |
| Supply voltage | 230 VAC, 3-phase |
| Rated power | 5.5 kW |
| Rated current | 27.1 A |
| Feedback | 24-bit (16777216 ppr) |
| Output type | SVPWM output |
| 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

- UL Listed, file # E198015; CE; RoHS; REACH.
- Includes an STO connector (ADC part SV2-CN10-STO).
- Protection types include overcurrent, overvoltage, undervoltage, over-temperature, regeneration error, overload, velocity/position error, encoder error, secondary encoder position error, communication error, input phase loss, and short circuit.
- Operating temperature range is 0 to 55 °C; IP20 enclosure.

## Study notes

- One RS-485 (RJ45) communication port; port speed up to 115.2k baud.
- Control modes: torque, velocity, and position.
- Command signals include step and direction, CW/CCW, A/B quadrature, internal indexing via discrete input or communication port, and torque/velocity via analog input.
- 10 sinking/sourcing discrete inputs and 6 sinking/sourcing discrete outputs.
- 2 analog input channels with ±10 VDC voltage signals and 2 analog output channels with ±8 VDC voltage signals.
- Tuning modes: easy/auto (4 methods) and manual.
- Configuration is via software and keypad.
- Optional EtherNet/IP and Modbus TCP cards are available.
- Panel mounting; enclosed construction.
- For use with 4.5 kW and 5.5 kW systems.
- Item shipping weight is listed as 12.8 lb; country of origin is Taiwan.

## Sources

1. [Servo Drive: Modbus RTU and ASCII, 5.5 kW, 230 VAC, 3-phase (PN# SV2A-2550) | AutomationDirect](https://www.automationdirect.com/adc/shopping/catalog/motion_control/sureservo2_(sv2a_series)_servo_systems/115-z-230v_servo_motors,_drives,_motor_cables/sv2a-2550) (accessed 2026-10-26)
2. [SV2A 2550 cutsheet](https://cdn.automationdirect.com/static/specs/cutsheet/SV2A-2550_cutsheet.pdf) (accessed 2026-10-26)

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Source page: https://machineschema.com/hardware/automationdirect-sv2a-2550  
JSON: https://machineschema.com/hardware/automationdirect-sv2a-2550.json  
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite Machine Schema and the original sources.