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SGDB-3ZADY174

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SGDB-3ZADY174
June 02, 2026

SGDB-3ZADY174

SGDB-3ZADY174 is a customized 30kW 200V-class high-power Yaskawa first-generation Sigma SGDB servo amplifier, OEM dedicated variant with exclusive factory preset firmware numbered Y174, original standard production discontinued; available items are tested refurbished/used spare units for legacy equipment maintenance.

Description

1. Model Definition & Product Overview

SGDB-3ZADY174 is a customized 30kW 200V-class high-power Yaskawa first-generation Sigma SGDB servo amplifier, OEM dedicated variant with exclusive factory preset firmware numbered Y174, original standard production discontinued; available items are tested refurbished/used spare units for legacy equipment maintenance.

  • SGDB: Original Sigma-I SERVOPACK drive series

  • 3Z: Rated continuous output power = 30kW, three-phase AC200V input high-power specification

  • AD: Dual command input design: ±10VDC analog speed/torque + external pulse position control via CN1 connector

  • Y: Custom regenerative circuit, modified I/O pin definition and internal hardware layout for designated OEM machinery

  • 174: Unique factory customized firmware version with fixed default parameter table different from standard SGDB-3ZAD general model.

    Matching motor: SGMG-series 30kW 200V incremental/absolute encoder type Yaskawa rotary servo motor.

2. Core Electrical Specifications

  • Input Power: Three-phase AC200~230V, 50/60Hz main circuit input; independent separated control power terminal for auxiliary power supply.

  • Rated Output: Continuous rated output power 30kW; transient overload capacity up to 300% rated current for heavy startup & shock load; max three-phase PWM output AC0~230V.

  • Regenerative Configuration: Built-in customized regenerative circuit (Y specification); Y174 firmware modifies regenerative overvoltage threshold, may need external regenerative resistor under frequent high-speed deceleration working condition.

3. Multi-Mode Control Function

Three switchable control modes via internal parameter setup:

  1. Pulse Position Control: Accept line-driver differential or open-collector pulse input (CW/CCW dual-pulse / A/B quadrature pulse); electronic gear ratio configurable for positioning application.

  2. Analog Speed & Torque Control: ±10VDC analog reference signal for speed or torque command; adjustable input offset and gain by drive parameters.

  3. Reserved MECHATROLINK-I fieldbus hardware base; bus control function is locked by Y174 customized firmware and cannot be enabled normally on standard setting.

Standard CN1 digital I/O includes Servo ON enable, fault reset, JOG trigger, positioning completion output, fault dry-contact relay output; CN2 dedicated encoder port supports incremental 8192P/R encoder and battery-backed absolute serial encoder connection; onboard RS232 port for SigmaWin parameter upload/download and real-time running monitoring.

4. Complete Protection Features

Full-range protection covers overvoltage, overcurrent, continuous thermal overload, power module overheat, encoder wire breakage, regenerative overvoltage, abnormal input voltage, internal control circuit failure; fault codes displayed on front LED digital display, with external dry-contact alarm output for host machine interlock shutdown control.

5. Environmental & Mechanical Specifications

  • Protection Grade: IP20, must be installed inside closed electrical cabinet to avoid oil mist, dust and liquid splash.

  • Ambient Temperature: Operating 0℃ ~ +55℃ (non-condensing); storage temperature -20℃ ~ +85℃; working humidity 10%~90%RH no dew formation.

  • Cooling Method: Dual built-in cooling fans forced air cooling; cabinet screw fixed installation, no standard DIN rail mounting support for this high-power frame size; certified with CE industrial safety standard.

6. Commissioning & Replacement Instruction

Equipped with automatic inertia identification and auto gain tuning function to shorten on-site debugging; front panel JOG manual inching for forward/reverse no-load motor test; integrated dynamic brake circuit for rapid motor stop during emergency stop or unexpected power cut; nonvolatile memory stores historical fault codes for maintenance troubleshooting.
Important Replacement Note: Standard general SGDB-3ZAD cannot directly substitute SGDB-3ZADY174 due to Y174 exclusive firmware and preset OEM parameters; full parameter rewrite, I/O signal verification and regenerative parameter adjustment are mandatory before replacement. Mainly used on customized large CNC equipment, heavy-load automation feeding axes and special OEM industrial machinery originally configured with this dedicated servo drive.


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