Yaskawa ∑ - V Servo Drive Debugging Guide

Yaskawa ∑ - V Series SGDV Servo Drive: A Comprehensive Practical Manual from Selection to Maintenance

In the field of precision positioning and high-speed machining, the performance of servo systems directly determines the production efficiency and machining accuracy of equipment. Yaskawa ∑ - V series servo drives (SGDV), combined with SGMJV/SGMAV/SGMPS/SGMGV/SGMSV/SGMCS series rotary motors, have become the core driving components of many automation equipment due to their high response, high-resolution encoders (up to 20 absolute values), and flexible command option expansion capabilities. This article is based on the original factory technical manual and provides a complete technical guide for on-site engineers, system integrators, and maintenance personnel, covering hardware selection, system configuration, digital operator operation, parameter adjustment, and fault diagnosis.

Chapter 1: Interpretation of Product Series and Models

1.1 Voltage level and power range

The ∑ - V series SGDV servo drives are divided into three categories according to the main power supply voltage:

Voltage level, model suffix, power supply specification, continuous output current range

Single phase 100V FE1A 100~115VAC 0.66~2.8 Arms

Single phase 200V AE1A 220~230VAC 11.6 Arms (specific model)

Three phase 200V AE1A 200~230VAC 0.66~78.0 Arms

Three phase 400V DE1A 380~480VAC 1.9~37.2 Arms

Control the power supply to be the same source as the main power supply (200V/100V series) or independent 24VDC (400V series). Attention: Some models of three-phase 200V drivers can be powered by single-phase 200V, please refer to the manual for details.

1.2 Model Naming Rules (Taking SGDV-120AE1A08000 as an Example)

SGDV: ∑ - V series servo amplifier

120: Continuous output current (12.0 Arms)

A: Voltage level (A=200V, D=400V, F=100V)

E1: Design sequence

A: Functional specifications (A=standard, no special)

008000: Additional specification code

When selecting, the servo motor and driver combination table recommended by Yaskawa must be followed and cannot be randomly matched.

1.3 Basic Specifications Highlights

Control mode: IGBT-PWM sine wave drive

Feedback encoder: Serial encoder, supporting 13 bit increment, 17 bit increment/absolute value, 20 bit increment/absolute value

Speed control range: 1:5000

Speed accuracy: ± 0.01% when the load fluctuates from 0 to 100%; 0% when voltage fluctuation is within ± 10%; ± 0.1% when the temperature fluctuates by ± 25 ℃

Repetitive accuracy of torque control: ± 1%

Protection level: IP10, pollution level 2, altitude below 1000 meters

Applicable standards: UL508C, EN50178, EN55011 Class A, EN61800-3, EN61800-5-1, EN954-1, IEC61508, etc

Safety function: Hard wired base block (HWBB), input/HWBB1,/HWBB2, output EDM1 for monitoring internal safety circuit status

1.4 Environmental and Installation Requirements

Environmental temperature: 0~55 ℃; Storage temperature: -20~85 ℃

Humidity: ≤ 90% RH (no condensation)

Anti vibration: 4.9 m/s ²; Impact resistance: 19.6 m/s ²

No corrosive/explosive gases, no oil mist, no iron powder, no strong electromagnetic field

Chapter 2: System Configuration and Main Circuit Wiring

2.1 Typical System Configuration (Three phase 200V Example)

The main circuit wiring of SGDV driver includes:

Main power input: L1, L2, L3 (three-phase) or L1, L2 (single-phase)

Control power input: also connected to L1, L2 (200V series) or separately 24VDC (400V series)

Motor output: U, V, W

Regenerative resistors: B1, B2 (models with built-in regenerative resistors can be externally connected with higher power resistors)

Grounding: The grounding terminal must be reliably grounded (≤ 100 Ω)

2.2 Precautions for single-phase 200V power supply

Some three-phase 200V drivers allow single-phase 200V power supply, but the maximum output current will decrease at this time. Please refer to the manual of the specific model for confirmation.

2.3 Control I/O signal (CN1)

SGDV provides rich assignable I/O:

Input signal (7 channels): assignable functions include forward rotation prohibition (P-OT), reverse rotation prohibition (N-OT), forward external torque limit (P-CL), reverse external torque limit (N-CL), universal input (SI0~SI6), etc. The signal polarity (normally open/normally closed) and terminal allocation can be modified through parameters.

Output signal (3-channel): assignable functions include positioning completion (COIN), speed consistency (V-CMP), rotation detection (TGON), servo readiness (S-RDY), torque limit detection (CLT), speed limit detection (VLT), brake output (BK), warning (Warning), approach (NEAR), etc.

Fixed output: servo alarm (ALM)

2.4 Encoder Interface (CN2)

Connect the serial encoder and support incremental or absolute value encoders. The absolute value encoder requires an external battery (3.6V) to maintain multi cycle data.

2.5 Communication Interface

CN3 (RS-422A): Connected to a digital operator (JUSP-OP05A-1-E) or a personal computer (SigmaWin+), supports 1: N communication (up to 15 stations), and the axis address is set through parameters.

CN7 (USB): Connect to a personal computer (SigmaWin+) for easy debugging and parameter reading and writing.

CN5 (Analog Monitor): 2 channels, ± 10V output (linear effective range ± 8V), 16 bit resolution, accuracy ± 20mV (typical value), maximum output current ± 10mA, setup time 1.2ms.