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Lenze i550 - User Manual

Lenze i550
48 pages
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Operating instructions i550 cabinet frequency inverter | 1
© 11/2021 · EN · www.Lenze.com
Contents
i550 cabinet frequency inverter
0.25 ... 132 kW
Operating instructions

Other manuals for Lenze i550

Questions and Answers

  • D
    Dylan CrawfordAug 27, 2025
    What to do if my Lenze i550 shows motor overtemperature?
    • J
      Jay SalasAug 27, 2025
      If your Lenze Inverter indicates motor overtemperature, you should: * Check drive sizing. * Check motor thermal sensor and wiring (X109/T1 and X109/T2).
  • D
    debbiegreenAug 27, 2025
    What to do if my Lenze i550 displays 'Device utilization (Ixt) too high'?
    • K
      Kaitlin RobertsAug 27, 2025
      If your Lenze Inverter displays a message indicating that device utilization (Ixt) is too high, you should: * Check drive sizing. * Reduce maximum overload current of the inverter (P324.00). * In case of high mass inertias, reduce maximum overload current of the inverter (P324.00) to 150 %.
  • S
    Samantha MoranAug 27, 2025
    What to do if my Lenze i550 warns about high device utilization (Ixt)?
    • S
      samantha28Aug 27, 2025
      If your Lenze Inverter warns about high device utilization (Ixt), check drive sizing.
  • M
    Michele SilvaAug 28, 2025
    What to do if my Lenze i550 Inverter shows DC bus undervoltage?
    • M
      Matthew GonzalesAug 28, 2025
      If your Lenze Inverter shows a DC bus undervoltage error, you should: * Check mains voltage. * Check fuses. * Check DC bus voltage (P105.00). * Check mains settings.
  • R
    Ryan GreerAug 28, 2025
    What to do if my Lenze i550 displays a warning for DC bus undervoltage?
    • R
      Rachel ThomasAug 28, 2025
      If your Lenze Inverter displays a warning for DC bus undervoltage, you should: * Check mains voltage. * Check fuses. * Check DC bus voltage. * Check mains settings.
  • J
    jacquelinebaldwinAug 29, 2025
    What to do if my Lenze i550 Inverter shows continuous overcurrent?
    • T
      Tyler DavidsonAug 29, 2025
      If your Lenze Inverter displays a continuous overcurrent error, you should: * Check motor and wiring for short circuit. * Check brake resistor and wiring. * Check motor circuit (delta connection, star connection). * Check setting of the motor data.
  • D
    David NewmanAug 29, 2025
    What to do if my Lenze Inverter shows 'DC bus voltage too low for switch-on'?
    • O
      ojenningsAug 30, 2025
      If your Lenze Inverter displays a message indicating that the DC bus voltage is too low for switch-on, you should: * Check mains voltage. * Check fuses. * Check mains settings.
  • A
    Anthony MoralesAug 30, 2025
    Why does my Lenze i550 Inverter show a mains phase fault and how to fix it?
    • R
      richardleonAug 30, 2025
      If your Lenze Inverter is showing a mains phase fault, you should: * Check wiring of the mains connection. * Check fuses.
  • V
    Vanessa GalvanAug 31, 2025
    What causes short circuit or earth leakage on the motor side of my Lenze i550 Inverter and how to resolve it?
    • N
      Nicole ChanAug 31, 2025
      If you are experiencing a short circuit or earth leakage on the motor side of your Lenze Inverter, you should: * Check motor cable. * Check the length of the motor cable. * Use shorter or lower-capacitance motor cable.
  • B
    Bonnie RobinsonAug 25, 2025
    Why Lenze DC Drives show communic.error?
    • R
      Ryan WilliamsAug 25, 2025
      If your Lenze DC Drives display a communication error, this indicates a PROFINET communication stack initialization error, potentially caused by an incorrect station name or IP address during initialization.

Summary

General Information

Hardware Overview of the Inverter

Overview of the inverter's physical components and connections.

Application as Directed

Specifies the intended use and limitations of the product.

Device-Specific Standards and Directives

Lists relevant safety and technical standards the product adheres to.

Relevant Standards and Directives for the Operator

Outlines operator responsibilities regarding standards and directives.

Commissioning Requirements

Details requirements for safe and compliant product commissioning.

PROFINET Licence Information

Information on the PROFINET firmware and its licensing.

Product Identification

Explains how to identify different product variants and their coding.

Numeric Notation

Defines the use of decimal separators in the documentation.

Design of Safety Instructions

Explains the meaning and importance of safety instruction symbols and levels.

Safety Instructions

Basic Safety Precautions

Essential safety precautions to prevent injury and damage.

Residual Hazards

Identifies hazards that remain after safety measures are applied.

Technical Data

Standards and Operating Conditions

Specifies approvals, standards, and environmental operating conditions.

Mechanical Installation

Important Installation Notes

Crucial considerations before and during mechanical installation.

Shield Connection Sheet Mounting

Instructions for attaching the shield connection sheet to the mounting plate.

Dimensions and Assembly

Provides dimensional data and assembly requirements for the inverters.

Electrical Installation

Preparation for IT System Connection

Specific preparation steps for connecting to an IT system.

Connection Diagram

Illustrates exemplary wiring for all voltage and power classes.

EMC-Compliant Installation

Guidelines for ensuring electromagnetic compatibility during installation.

1-Phase Mains Connection 120 V

Technical data and fusing for 1-phase, 120V connections.

1-Phase Mains Connection 230;240 V

Technical data and fusing for 1-phase, 230/240V connections.

3-Phase Mains Connection 230;240 V

Technical data and fusing for 3-phase, 230/240V connections.

3-Phase Mains Connection 400 V (0.37-7.5 kW)

Technical data and fusing for 3-phase, 400V connections.

3-Phase Mains Connection 400 V (7.5-132 kW)

Technical data and fusing for 3-phase, 400V connections.

3-Phase Mains Connection 480 V (0.37-7.5 kW)

Technical data and fusing for 3-phase, 480V connections.

3-Phase Mains Connection 480 V (7.5-132 kW)

Technical data and fusing for 3-phase, 480V connections.

Brake Resistor Connection

Instructions and recommendations for connecting a brake resistor.

Control Terminals X3

Details on the function and connection of control terminals.

Relay Output X9

Information on the relay output terminals and their specifications.

PTC Input X109

Details on the PTC input for motor temperature monitoring.

Networks Configuration

Configuration for various network communication protocols.

Functional Safety Requirements

Critical safety information and requirements for functional safety.

Safe Torque Off (STO) Function

Explanation and implementation of the Safe Torque Off (STO) function.

Commissioning

Initial Switch-On Procedure

Steps for the first-time power-up and initial checks.

Important Commissioning Notes

Key considerations and warnings during the commissioning process.

Keypad Module Functions

Explains the operation of the keypad and its keys for parameter control.

Keypad Control Activation

How to activate and use keypad control for motor operations.

Quick Commissioning via Terminal Control

A streamlined process for commissioning using terminal controls.

Extended Terminal Control Wiring

Detailed wiring and parameter configuration for terminal control.

Key Parameters Overview

Overview of key parameters and their grouping for efficient setup.

Favorites (Group 0)

Commonly used parameters configurable as favorites for quick access.

Basic Setting (Group 2)

Essential parameters for basic configuration and operation.

Motor Control (Group 3)

Parameters related to motor identification, calibration, and data.

Additional Functions (Group 7)

Parameters for loading default settings and saving user data.

Troubleshooting

Error Message Display

How to interpret and display error messages on the keypad.

Error Codes and Remedies

A comprehensive list of error codes, their descriptions, classifications, and remedies.

LED Status Indicators

Explains the meaning of the status LEDs for the inverter.

Support and Further Information

Information on how to obtain further support and product details.

Disposal

Lenze i550 Specifications

General IconGeneral
Protection ClassIP20
Overload Capacity150% for 60 seconds
SafetySTO (Safe Torque Off)
Voltage Range380 V to 480 V
Control TypeVector control, V/f control
Communication InterfacesCANopen, EtherCAT, PROFINET, Ethernet/IP
Mains Voltage3-phase 380 V to 480 V
Input Voltage3-phase 380 V to 480 V
Output Voltage0 to Mains Voltage
Frequency Range0 Hz to 300 Hz
Protection FeaturesOvercurrent, overvoltage, undervoltage, short circuit, overtemperature
Ambient Temperature-10°C to 50°C

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