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SMC Corporation LECSA series User Manual

SMC Corporation LECSA series
419 pages
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PRODUCT NAME
AC Servo Motor Driver
MODEL / Series/ Product Number
LECSA Series
Doc. no. LEC-OM02610
(Doc no. JXC-OMT0023-A)

Table of Contents

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SMC Corporation LECSA series Specifications

General IconGeneral
CommunicationRS-485
Applicable Motor Capacity/Output Power50 W
Protection FunctionsOvercurrent, Overvoltage, Undervoltage, Overheat
Ambient Temperature0°C to 40°C
Storage Temperature-20°C to 65°C
Humidity20% to 90% RH (non-condensing)

Summary

Operation Manual

1. Safety Instructions

Limited Warranty and Disclaimer/Compliance Requirements

Outlines warranty terms, disclaimers, and compliance requirements for product usage.

To Prevent Electric Shock

Crucial safety instructions to avoid electric shock hazards during operation and maintenance.

To Prevent Fire

Important guidelines to prevent fire hazards related to installation and electrical connections.

To Prevent Injury

Safety instructions to prevent personal injury during operation and handling.

4. Additional Instructions

Transportation and Installation

Instructions for safe transportation and proper installation of the equipment.

Wiring

Guidelines and precautions for correctly wiring the driver and servo motor.

Test Run Adjustment

Procedures for adjusting parameters and performing test runs for proper operation.

Usage

General usage guidelines, including emergency stop circuits and motor shaft handling.

Corrective Actions

Procedures for addressing potential hazardous conditions and ensuring safety.

Storing of Servo Motor

Recommendations for storing the servo motor for extended periods to maintain its condition.

Maintenance, Inspection, and Parts Replacement

Information on maintenance schedules and component replacement, like electrolytic capacitors.

General Instruction

General advice on operating equipment according to the manual and installing safety guards.

About Processing of Waste

EEP-ROM Life

Information on the limited write cycles of the EEP-ROM and potential failure modes.

Precautions for Choosing the Products

Disclaimer regarding SMC's liability for damages caused by factors not attributable to SMC products.

COMPLIANCE WITH EC DIRECTIVES

CONFORMANCE WITH UL/CSA STANDARD

1. FUNCTIONS AND CONFIGURATION

1.1 Introduction

Introduces the LECSA series AC servo, its capabilities, and features.

1.2 Function Block Diagram

Illustrates the functional blocks of the servo motor system for various control modes.

1.3 Driver Standard Specifications

Details the electrical, environmental, and physical specifications of the driver.

1.4 Function List

Lists the functions of the servo system and refers to their detailed explanations.

1.5 Model Code Definition

Explains how to define the model code for the driver and option models.

1.6 Combination with Servo Motor

Lists the compatible combinations of drivers and servo motors.

1.7 Parts Identification

Identifies and explains the various parts and connectors on the driver.

1.8 Configuration Including Auxiliary Equipment

Shows a configuration diagram including auxiliary equipment like filters and contactors.

2. INSTALLATION

2.1 Installation Direction and Clearances

Specifies the required installation direction and clearances for the driver and control box.

2.2 Keep Out Foreign Materials

Provides instructions to prevent foreign materials from entering the driver.

2.3 Cable Stress

Details how to manage cable stress to prevent damage and ensure proper connection.

2.4 Inspection Items

Lists periodic checks recommended for maintenance and inspection.

2.5 Parts Having Service Lives

Lists parts with a defined service life and their replacement guidelines.

3. SIGNALS AND WIRING

3.1 Input Power Supply Circuit

Explains the main and control circuit power supply connections and safety precautions.

3.2 I/O Signal Connection Example

Provides examples of I/O signal connections for different control modes.

3.3 Explanation of Power Supply System

Details the signal explanations and power-on sequence for the power supply system.

3.4 Connectors and Signal Arrangements

Shows the pin configurations and signal assignments for connectors CN1, CN2, and CN3.

3.5 Signal Explanations

Explains the functions and applications of various input and output signals.

3.6 Detailed Description of the Signals

Provides in-depth explanations for signals in different control modes.

3.7 Alarm Occurrence Timing Chart

Illustrates the timing of alarm occurrences and related system statuses.

3.8 Interfaces

Details internal connection diagrams and descriptions of interfaces.

3.9 Treatment of Cable Shield External Conductor

Explains how to properly connect the shielded external conductor of cables.

3.10 Connection of Driver and Servo Motor

Provides instructions for connecting the driver and servo motor, including safety precautions.

3.11 Servo Motor with a Lock

Details safety precautions, setting, and timing charts for servo motors with a lock.

3.12 Grounding

Explains the importance and method of grounding the driver and servo motor securely.

4. PARAMETERS

4.1 Basic Setting Parameters (No. PA )

Covers fundamental parameters for setting up the driver, including control modes and auto-tuning.

4.2 Gain/Filter Parameters (No. PB )

Details parameters for manual gain adjustment, including adaptive filters and resonance suppression.

4.3 Extension Setting Parameters (No. PC )

Provides parameters for advanced functions and extensions, mainly for speed and torque control.

4.4 I/O Setting Parameters (No. PD )

Covers parameters for configuring input and output signals, including device assignments.

5. DISPLAY AND OPERATION SECTIONS

5.1 Overview

Introduces the driver's display and operation sections, including buttons and LED indicators.

5.2 Display Sequence

Explains how to navigate through different display modes using the MODE button.

5.3 Status Display

Details how to view servo status, including feedback pulses, speed, and torque.

5.4 Diagnostic Mode

Describes various diagnostic screens accessible via the operation section.

5.5 Alarm Mode

Explains how to view current alarms, alarm history, and related error information.

5.6 Point Table Mode

Covers setting up positioning operations using point tables.

5.7 Parameter Mode

Explains how to access and change parameters via the driver's operation section.

5.8 External I/O Signal Display

Allows confirmation of ON/OFF states of digital I/O signals connected to the driver.

5.9 Output Signal (DO) Forced Output

Explains how to force digital output signals ON/OFF for wiring checks.

5.10 Test Operation Mode

Describes modes like JOG, positioning, and motor-less operation for confirming servo operation.

5.11 One-touch Tuning

Explains the one-touch tuning function for automatic gain adjustment.

6. GENERAL GAIN ADJUSTMENT

6.1 One-touch Tuning

Details the procedure and parameters for automatic gain adjustment using the AUTO button.

6.2 Gain Adjustment Methods

Outlines methods for gain adjustment, including one-touch, auto-tuning, and manual modes.

6.3 Auto Tuning Mode

Explains the real-time auto-tuning function that estimates machine characteristics and sets optimum gains.

6.4 2-Gain Adjustment Mode

Describes the mode for fine-tuning response level and model loop gain after one-touch tuning.

6.5 Manual Mode

Provides instructions for manual gain adjustment when other methods are not satisfactory.

7. SPECIAL ADJUSTMENT FUNCTIONS

7.1 Tough Drive Function

Allows continued operation during alarms by reducing load ratio or suppressing vibrations.

7.2 Machine Resonance Suppression Function

Suppresses mechanical resonance (vibration/noise) using notch filters and adaptive tuning.

7.3 Gain Changing Function

Allows gains to be changed using input devices or conditions like servo motor speed.

8. TROUBLESHOOTING

8.1 Alarms and Warning List

Lists all alarms and warnings, their display codes, and basic deactivation methods.

8.2 Remedies for Alarms

Provides detailed procedures for identifying and resolving specific alarm conditions.

8.3 Remedies for Warnings

Offers solutions for various warning states, including those that stop the servo motor and those that do not.

9. OUTLINE DRAWINGS

9.1 Driver

Shows external dimensions and terminal layouts for the driver units (LECSA□-S1, LECSA□-S3, LECSA□-S4).

9.2 Connector

Provides dimensional drawings and specifications for the MDR system connectors.

10. CHARACTERISTICS

10.1 Overload Protection Characteristics

Details the electronic thermal relay protection curves for preventing overloads.

10.2 Power Supply Capacity and Generated Loss

Provides data on driver power supply capacities and heat generation under rated load.

10.3 Dynamic Brake Characteristics

Explains the function and operation of the dynamic brake for emergency stops.

10.4 Cable Flexing Life

Shows calculated values for cable flexing life based on flexing radius.

10.5 Inrush Currents at Power-On of Main Circuit and Control Circuit

Indicates inrush current data for power-on sequences and recommends protective devices.

11. OPTIONS AND AUXILIARY EQUIPMENT

11.1 Cable/Connector Sets

Lists available cable and connector sets for connecting drivers and servo motors.

11.2 Regenerative Options

Details combinations of regenerative options and drivers, including power values and connection.

11.3 Setup Software (MR Configurator2TM)

Explains the capabilities and system requirements for the setup software.

11.4 Selection Example of Wires

Provides examples for selecting wire sizes and construction for power and signal cables.

11.5 No-Fuse Breakers, Fuses, Magnetic Contactors

Lists recommended no-fuse breakers, fuses, and magnetic contactors for driver protection.

11.6 Noise Reduction Techniques

Offers methods to suppress noise from external sources and those radiated by the driver.

11.7 Leakage Current Breaker

Explains the selection method for leakage current breakers based on calculated currents.

11.8 Circuit Protector

Recommends using circuit protectors for the control circuit power supply.

11.9 EMC Filter (Recommended)

Suggests using EMC filters for compliance with EMC directives.

11.10 Surge Protector (Recommended)

Recommends surge protectors to protect against lightning and sparking on AC power lines.

12. SERVO MOTOR

12.1 Servo Motor with a Lock

Covers features, characteristics, and safety precautions for servo motors with a lock.

12.2 Protection from Oil and Water

Advises against using the servo motor with its cable soaked in oil or water.

12.3 Cable

Provides guidelines for fixing servo motor cables to prevent breakage and avoid connector modification.

12.4 Rated Speed of Servo Motor

States the rated speed of the servo motor.

12.5 Mounting Connectors

Details how to install connectors securely to maintain IP65 rating and prevent operation issues.

13. POSITIONING MODE

13.1 Selection Method of Each Operation Mode

Explains how to select operation modes like point table or program method.

13.2 Signals

Details I/O signal connections, connectors, signal arrangements, and explanations.

13.3 Automatic Operation Mode for Point Table Method

Covers automatic operations using point tables, including concepts and types.

13.4 Automatic Operation Mode for Program Method

Explains automatic operations using programs, including language and command structures.

13.5 Manual Operation Mode

Describes manual operations like JOG for machine adjustment and home position matching.

13.6 Home Position Return Mode

Details various home position return methods, devices, parameters, and timing charts.

13.7 Parameters

Lists parameters specific to positioning mode, categorized by function.

13.8 Point Table Setting Method

Explains how to set point table data using the MR Configurator2TM software.

13.9 Program Setting Method

Details the procedure for setting programs using the MR Configurator2TM software.

13.10 Single-step Feed Usage in the Test Operation Mode

Describes how to use single-step feed functionality within the test operation mode.

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