Omron VARISPEED L7 User Manual

VARISPEED L7
The frequency inverter for the lifts
USER´S MANUAL
Cat. No.
OMRONYASKAWA MOTION CONTROLB.V. – Wegalaan 65 – 2132 JD Hoofddorp – The Netherlands
phone: +31 (0) 23 568 74 00 – fax: +31 (0) 23 568 74 88 – www.omronyaskawa.com
Note: Specificationssubjectto change withoutnotice.
Cat. No. TOEPC71067605-02-OY
VARISPEED L7 USER´S MANUAL
Cat. No. TOEPC71067605-02-OY
TOMCC71067600AA-OY.qxd 01.10.2003 10:32 Seite 1
TOEPC71067605-03-OY

Omron VARISPEED L7 Specifications

General

Cooling Method	Forced air cooling
Type	VARISPEED
Output Frequency	0 to 400 Hz
Control Method	V/f control, Sensorless vector control
Overload Capacity	150% for 60 seconds
Communication	Modbus RTU
Protection Functions	Overcurrent, overvoltage, undervoltage, overload, overheating, short circuit
Ambient Temperature	-10°C to +50°C

Summary

VARISPEED L7

The frequency inverter for the lifts

Describes the Varispeed L7 as a frequency inverter specifically designed for lifts.

Handling Inverters

Varispeed L7 Models

Details the different models available in the Varispeed L7 series, including voltage classes and capacities.

Confirmations upon Delivery

Outlines the checks required upon receiving the inverter, including model verification and inspection for damage.

Exterior and Mounting Dimensions

Provides exterior diagrams and dimensional data for IP00 and IP20/NEMA 1 inverters for installation purposes.

Checking and Controlling the Installation Site

Specifies requirements for the installation site, including ambient temperature and humidity, and pollution degree.

Installation Orientation and Space

Details the correct vertical installation orientation and required clearance for proper heat dissipation.

Removing and Attaching the Terminal Cover

Explains the procedure for removing and attaching the terminal cover for wiring access.

Removing/Attaching the Digital Operator/ LED Monitor and Front Cover

Guides on how to remove and attach the digital operator, LED monitor, and front cover for access or replacement.

Wiring

Connection Diagram

Shows the electrical connection diagram for the inverter, illustrating main and control circuits.

Terminal Block Configuration

Illustrates the layout and arrangement of terminal blocks for both 200 V/400 V class inverters.

Wiring Main Circuit Terminals

Provides applicable wire sizes and crimp terminals for main circuit connections, detailed by inverter model.

Wiring Control Circuit Terminals

Details wire sizes, ferrules, and recommended cables for control circuit wiring.

EN81-1 Conform Wiring with One Motor Contactor

Explains wiring rules and provides an example for EN81-1 compliant installation with a single motor contactor.

Wiring Check

Lists essential checks to perform after wiring is completed to ensure correctness and safety.

Installing and Wiring Option Cards

Details available option cards, their specifications, mounting locations, and wiring procedures.

LED Monitor / Digital Operator and Modes

LED Monitor JVOP-163

Explains the operation status indication using combinations of LED lights (RUN, DS1, DS2).

Digital Operator JVOP-160-OY

Describes the Digital Operator's keys, display, and mode indicators for inverter operation and parameter setting.

Inverter Modes

Outlines the five inverter modes (Drive, Quick Programming, Advanced Programming, Verify, Autotuning) and their primary functions.

Switching Modes

Explains how to navigate between different inverter modes using the MENU and DATA/ENTER keys.

Drive Mode

Details how to operate the inverter, display monitor parameters, and change frequency references in Drive mode.

Quick Programming Mode

Describes setting basic parameters for elevator operation like speeds and acceleration/deceleration times.

Advanced Programming Mode

Explains how to monitor and set all inverter parameters using the advanced programming mode.

Verify Mode

Describes how to display and change parameters that differ from their default factory settings.

Autotuning Mode

Explains how autotuning automatically measures and sets motor data for optimal performance.

Start Up Procedure

General Start Up Routine

Provides a flowchart illustrating the basic start-up sequence for the inverter and motor.

Power Up

Lists crucial checks to perform before switching on the power supply and describes the display after power up.

Control Mode Selection

Guides on selecting the appropriate control mode (V/f, Vector) based on motor type and encoder.

Autotuning

Explains the autotuning function for setting V/f patterns, motor data, and encoder data automatically.

Autotuning Mode Selection

Details how to select the autotuning mode based on the control mode and mechanical system.

Autotuning Procedure with Induction Motors

Provides a flowchart for the autotuning procedure for induction motors in V/f, Open Loop Vector, and Closed Loop Vector control.

Autotuning Procedure with PM Motors

Details the autotuning procedure for permanent magnet motors in Closed Loop Vector control.

PM Motor Encoder Offset Tuning

Explains the procedure for tuning the encoder offset when the encoder has been changed or misaligned.

Precautions for Induction Motor Autotuning

Provides precautions for autotuning induction motors, especially regarding voltage and frequency settings.

Autotuning Alarms and Faults

Lists common autotuning alarms and faults, including data input errors and corrective actions.

Performance Optimization

Offers adjustment advice for improving inverter and motor performance after basic setup.

User Parameters

User Parameter Descriptions

Explains the structure of user parameter tables and the meaning of each field.

Digital Operation Display Functions and Levels

Shows the hierarchy of functions and levels available on the Digital Operator display.

User Parameters Available in Quick Programming Mode

Lists minimum user parameters required for inverter operation, accessible in Quick Programming Mode.

Setup Settings: A

Details parameters for language selection, parameter access level, control method, initialization, and password.

Application Parameters: b

Covers parameters for operation mode selections, RUN command source, and DC injection braking.

Tuning Parameters: C

Details parameters for acceleration, deceleration, S-curve settings, and slip compensation.

Reference Parameters: d

Explains parameters for setting various speed references, including nominal, intermediate, and leveling speeds.

Motor Parameters: E

Covers V/f pattern settings, motor setup parameters (rated current, slip, poles, etc.), and PM motor adjustments.

Option Parameters: F

Details parameters related to PG option cards, including PG constant, rotation direction, and division ratio.

Terminal Function Parameters: H

Explains the functions assigned to multi-function digital inputs and outputs, and their corresponding parameters.

Protection Function Parameters: L

Covers parameters for motor overload protection, power loss settings, stall prevention, reference detection, and fault restart.

Special Adjustments: n2 / n5

Details parameters for Automatic Frequency Regulator (AFR) and Feed Forward control for fine-tuning.

PM Motor Adjustments: n8 / n9

Explains parameters for adjusting PM motor characteristics like ACR gains, position detection, and inductance.

Lift Function Parameters: S

Covers parameters for brake sequence, torque compensation, speed selection, and short floor operation.

Motor Autotuning: T

Details parameters for motor autotuning, including mode selection and motor data input.

Monitor Parameters: U

Lists parameters for monitoring inverter status, operation status, fault history, and input/output signals.

Parameter Settings by Function

Carrier Frequency Derating and Current Limitation

Explains carrier frequency selection, its impact on noise and overload capability, and current limitation at low speeds.

Control / Brake Sequence

Details UP/DOWN commands, travel stop methods, and selection of command/reference sources.

Acceleration and Deceleration Characteristics

Explains how to set acceleration/deceleration times and switch between them using multi-function inputs or speed levels.

Adjusting Analog Input Signals

Guides on adjusting analog input signals from terminal A1 and AI-14B option card for frequency reference.

Speed Detection and Speed Limitation

Covers speed agreement functions, detection methods, and limiting elevator speed to leveling speed.

Improving the Operation Performance

Details methods for reducing motor speed fluctuation using slip compensation and adjusting torque compensation.

Protective Functions

Explains stall prevention, motor torque detection, car stuck detection, and other protective functions.

Inverter Protection

Covers inverter overheat protection, input/output open phase detection, ground fault detection, and cooling fan control.

Input Terminal Functions

Describes functions for digital inputs, including baseblock, external fault, and timer functions.

Output Terminal Functions

Explains functions for digital outputs like inverter operation status, fault signals, and brake commands.

Motor and V/f Pattern Setup

Guides on setting motor parameters for induction and PM motors, including V/f pattern setup.

Digital Operator/LED Monitor Functions

Covers settings for the digital operator, including monitor selection, display units, and contrast.

PG Option Cards

Details PG option card setup, including PG constant, rotation direction, and division ratio.

Rescue System

Explains how to use the rescue system, including power supply requirements and wiring examples.

Automatic Fault Reset

Describes the automatic fault reset function, including number of resets and fault relay operation.

Memobus Communications

Details MEMOBUS communications configuration, specifications, message format, and error codes.

Troubleshooting

Protective and Diagnostic Functions

Explains fault detection categories, resetable faults, and provides a list of faults with meanings, causes, and corrective actions.

Troubleshooting

Addresses common problems like parameters not setting, motor not operating, incorrect rotation, and stalling.

Maintenance and Inspection

Periodic Inspection

Lists essential items to check during periodic maintenance, including motor vibration, heat, ambient temperature, and fan operation.

Periodic Maintenance of Parts

Provides guidelines for standard replacement periods for parts like cooling fans, capacitors, and fuses.

Cooling Fan Replacement

Details the procedure for removing and mounting the cooling fan assembly for inverters up to 18.5 kW.

Removing and Mounting the Terminal Card

Explains how to remove and mount the control circuit terminal card without disconnecting control wiring.

Specifications

Specifications by Model

Lists electrical and power supply specifications for 200 V and 400 V class inverters by model number.

Derating

Explains how ambient temperature, carrier frequency, and altitude affect inverter output current and performance.

AC Reactors for EN 12015 Compatibility

Lists AC reactors required to meet EN 12015 compatibility standards, including model codes, dimensions, and weight.

EN 954-1 / EN81-1 Certificates

Provides information on EN 954-1 and EN81-1 certifications for the inverter.

Appendix

Inverter Application Precautions

Lists precautions for selecting and installing inverters, including reactor installation and enclosure requirements.

Motor Application Precautions

Provides precautions for using the inverter with existing standard motors and special motors like pole-changing or single-phase.

User Constants

Lists the factory settings for various parameters, specific to a 200 V Class 3.7 kW Inverter.