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LiteOn ISA-7 Series User Manual

LiteOn ISA-7 Series
237 pages
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Lite-On Technology Corp.
Industrial Automation
1
User Manual
ISA-7 Servo Drive series
Standard General Purpose Servo Drive Technical Manual

Table of Contents

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LiteOn ISA-7 Series Specifications

General IconGeneral
SeriesISA-7
CategoryServo Drives
Control ModePosition, Speed, Torque
Communication InterfaceCANopen
Protection FeaturesOvervoltage

Summary

User Manual

ISA-7 Servo Drive Series

Standard General Purpose Servo Drive Technical Manual.

Chapter 1 Panel and Operation

1.1. Product check

Check for damages caused by negligence and during delivery when the product is purchased.

1.3. Name of each part in the servo drive

Identifies all physical components and their functions on the servo drive unit.

1.4. Operating mode

Details the various operating modes (Position, Speed, Torque, Mixed) for drive control.

Chapter 2 Steps for Commissioning and Tuning

2.3. Condition of installation environment

Specifies environmental requirements for safe and optimal installation of the drive.

2.4. Direction of and space for installation

Provides guidelines on correct installation orientation and required clearance for cooling.

2.5. Recommended specifications for the circuit breaker and fuse

Lists recommended CSA/UL certified circuit breakers and fuses for drive protection.

2.6. EMI filter selection

Provides guidance on selecting and installing EMI filters to minimize noise interference.

2.7. Selection for the regenerative resistor

Details specifications for selecting appropriate regenerative resistors for the drive.

Chapter 3 Wiring

3.1. Connection for the peripheral device and main power circuit

Explains how to connect peripheral devices and the main power circuit to the servo drive.

3.1.2. Connector and terminal of the drive

Details the function and description of each connector and terminal on the drive.

3.1.3. Power wiring

Illustrates the single-phase and three-phase power wiring diagrams for the servo drive.

3.1.5. Specifications regarding the connector for the leadwire of the encoder

Provides pinout and connection details for the encoder leadwire to the servo drive.

3.3. CN1 I/O Signal wiring

Details the CN1 I/O layout, including digital and analog signals, and their functions.

3.7. Standard wiring

Presents standard wiring diagrams for different control modes.

Chapter 4 Panel and Operation

4.1. Panel display and key description

Describes the functions of the seven-segment display and operating buttons on the drive panel.

4.2. Panel operating process

Details the step-by-step procedures for operating the drive via its control panel.

4.3. Status display

Explains how status values are displayed on the panel in decimal and hexadecimal formats.

4.4. Operation of the general function

Covers general operational functions such as displaying error history and jog mode operation.

4.4.2. Operation for the jog mode

Provides instructions on how to perform manual jog operations for the servo motor.

4.4.3. Enforced operation of the digital output

Explains how to force digital outputs for testing and diagnosis purposes.

4.4.4. Operation for the diagnosis of digital input

Details how to diagnose digital inputs by monitoring their status through the panel.

Chapter 5 Steps for Commissioning and Tuning

5.1. No-load detection

Outlines the procedure for no-load detection to prevent damage before motor operation.

5.2. Power transmission for the drive

Details the steps for checking wiring and powering up the drive.

5.3. No-load jog test

Describes the procedure for performing a no-load jog test to trial the motor and drive.

5.4. No-load speed test

Explains how to conduct a no-load speed test, ensuring motor base stability.

5.5. Tuning steps

Provides a general overview of the tuning process for servo drive performance.

5.5.2. Flowchart of the tuning steps in the semi-auto gain mode

Illustrates the steps for tuning the servo drive using the semi-auto gain adjustment mode.

5.5.3. Flowchart of the tuning steps in the automatic gain mode

Presents the flowchart for performing automatic gain adjustment for optimal performance.

5.5.4. Manual adjustment of gain parameters

Explains how to manually adjust gain parameters for position and speed loops.

5.5.6. Solutions for mechanical resonance

Provides methods to suppress mechanical resonance using notch filters and low-pass filters.

Chapter 6 Parameters and Functions

6.1. Definitions of parameters

Defines parameter grouping, codes, and special symbol notations used in the manual.

6.2. Parameters overview

Provides a summary and list of all available parameters for the servo drive.

6.2.1. Parameter list

A comprehensive table listing parameters, their functions, initial values, and control modes.

Chapter 7 Control Function

7.1. Selection of operating mode

Details the basic operating modes (Position, Speed, Torque) and mixed modes.

7.2. Position mode

Explains the position mode for precise positioning control using external pulses.

7.2.1. Command of position mode

Describes how position commands are input via terminal block pulses.

7.2.3. Electronic gear ratio

Explains how to adjust travel ratio and positioning resolution using the electronic gear ratio.

7.2.4. Adjustment for the gain of position circuit

Details gain adjustment for position control, including proportional and feed-forward gains.

7.3. Speed mode

Covers the speed mode for precise speed control using analog or register input.

7.3.1. Selection of speed command

Explains how to select the speed command source (analog or internal register) via DI signals.

7.3.3. Smoothing of speed command

Describes S-curve smoothing for speed commands to ensure smooth acceleration/deceleration.

7.3.6. Adjustment for the gain of speed circuit

Details gain adjustment for the speed control unit, including manual, auto, and semi-auto modes.

7.3.7. Resonance suppression unit

Explains how to suppress mechanical resonance using notch filters and low-pass filters.

7.4. Torque mode

Covers the torque mode for controlling motor torque via analog or register input.

7.4.1. Selection of torque command

Explains how to select the torque command source (analog or internal register) via DI signals.

7.5. Others

Covers additional functions like speed and torque limits, and analog monitoring.

7.5.4. Use of the electromagnetic brake

Explains the function and parameters for controlling the electromagnetic brake.

Chapter 8 Communication Mechanism

8.1. RS-485/RS-232 Communication hardware interface

Describes the hardware interface and pin definitions for RS-485 and RS-232 communication.

8.2. RS-485/RS-232 Communication parameter setting

Details the parameters required for setting up RS-485 and RS-232 communication.

8.3. MODBUS protocol

Explains the data structure and examples for communication using the MODBUS RTU protocol.

Chapter 9 Warning Troubleshooting

9.1. Drive Alarm List

Lists all possible drive alarms, their descriptions, indications, and servo states.

9.2. Reason for and handling of the alarm

Provides reasons for common alarms and step-by-step handling procedures.

9.3. Alarm troubleshooting

Offers actions for recovering from specific alarms by using DI signals or system resets.

Chapter 10 Specifications

10.1. Standard specification for the servo drive

Lists the general electrical and performance specifications for the ISA-7 servo drive.

10.1.1. Outline dimension drawing (drive)

Provides dimensional drawings and weight specifications for the servo drive unit.

10.2. Standard specification for the servo motor

Lists the specifications for various ISA-7 series servo motors, including model details.

10.2.1. Size of the motor fixed screw

Specifies the recommended screw sizes for fixing the servo motor.

10.2.2. Outline dimension drawing (motor)

Provides outline dimension drawings for different servo motor models.

Chapter 11 Absolute Servo System

11.1. Battery and cable for absolute servo

Details the specifications for batteries and cables used with the absolute servo system.

11.1.1. Battery specification

Provides specifications for the battery used in the absolute servo system.

11.2. Installing

Provides instructions for installing battery cases and batteries for the absolute servo.

11.2.1. Battery case installing

Details the procedure for installing the battery case for the absolute encoder.

11.3. Initialization and operation

Covers the initial setup and operational procedures for the absolute servo system.

11.3.1. System and Initialization

Explains system initialization procedures and potential alarms like AL033.

11.3.2. Absolute pulse value

Defines absolute pulse value calculation and its translation to PUU.

11.3.4. Coordinate initialization by DI/DO

Describes how to initialize the coordinate system using DI/DO signals.

11.3.6. Read absolute position by DI/DO

Explains how to access absolute position data (PUU or pulse value) via DI/DO.

11.4. Absolute encoder parameter setting

Details parameters for configuring the absolute encoder system.

11.7. Absolute System Alarm List

Lists alarms specific to the absolute servo system, including indications and servo states.

11.7.1. Reason for and handling of the alarm

Provides reasons and troubleshooting steps for absolute system alarms like AL030 and AL033.

11.8. Display of status value

Explains how status values, such as battery voltage, are displayed.

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