WEG CFW501 V1.8X User Manual

Motors I Automation I Energy I Transmission & Distribution I Coatings
Frequency Inverter
CFW501 V1.8X
Programming Manual

WEG CFW501 V1.8X Specifications

General

Brand	WEG
Model	CFW501 V1.8X
Category	Inverter
Language	English

Summary

SAFETY INSTRUCTIONS

SAFETY WARNINGS IN THIS MANUAL

SAFETY WARNINGS IN THE PRODUCT

Describes safety symbols affixed to the product, essential for safe operation and awareness.

PRELIMINARY RECOMMENDATIONS

Provides crucial recommendations for qualified personnel regarding installation, operation, and maintenance safety.

HMI AND BASIC PROGRAMMING

USE OF THE HMI TO OPERATE THE INVERTER

Explains HMI key functions and the three operating modes (monitoring, parameterization levels) for inverter control.

OPERATING MODES OF THE HMI

BASIC INSTRUCTIONS FOR PROGRAMMING AND SETTINGS

PARAMETERS SELECTED BY THE HMI MENU

LOGICAL COMMAND AND SPEED REFERENCE

SELECTION FOR LOGICAL COMMAND AND SPEED REFERENCE

Defines sources for commands and speed references (Local/Remote) and selection parameters like P0220.

Speed Reference Limits

Speed Reference Parameters

AVAILABLE MOTOR CONTROL TYPES

Control Type

Parameter P0202 selects between V/f Scalar Control and VVW Sensorless Vector Control for motor operation.

V/f SCALAR CONTROL

PARAMETERIZATION OF THE V/f SCALAR CONTROL

Details setting the V/f curve using parameters P0136 to P0147 for voltage and frequency adjustments.

Manual Torque Boost

Maximum Output Voltage

Slip Compensation

VVW VECTOR CONTROL

VVW VECTOR CONTROL PARAMETERIZATION

Configures VVW control using motor nameplate data and relevant parameters like P0398-P0409.

Self-tuning

Parameter P0408 activates self-tuning to measure motor stator resistance for VVW control optimization.

Stator Resistance

FUNCTIONS COMMON TO ALL THE CONTROL MODES

RAMPS

Parameters P0100-P0104 configure acceleration and deceleration ramps for smooth motor speed control.

DC LINK VOLTAGE AND OUTPUT CURRENT LIMITATION

Protection functions acting on ramps to limit DC link voltage and output current, preventing faults.

FLYING-START / RIDE-THROUGH

DC BRAKING

DIGITAL AND ANALOG INPUTS AND OUTPUTS

ANALOG INPUTS

Parameters P0018-P0020, P0230-P0245 configure analog inputs for speed reference, temperature, or PID feedback.

Signal Function AI1, AI2, AI3

DIGITAL INPUTS

Parameters P0263-P0270 configure the function of digital inputs for various commands like Run/Stop, JOG, or Bypass.

FAULTS AND ALARMS

MOTOR OVERLOAD PROTECTION (F0072 AND A0046)

Parameters P0156-P0158, P0349, P0037 estimate motor thermal state and trigger overload protection.

IGBTS OVERLOAD PROTECTION (F0048 AND A0047)

Parameters P0343 and P0295 related to IGBT overload protection and fault masking.

MOTOR OVERTEMPERATURE PROTECTION (F0078)

Configuration for motor overtemperature protection using PTC sensor via analog input or digital input.

IGBTS OVERTEMPERATURE PROTECTION (F0051 AND A0050)

Monitors power module temperature (P0030) and compares it to actuation levels for F0051 and A0050.

OVERCURRENT PROTECTION (F0070 AND F0074)

Describes fast hardware protection against output overcurrent and phase-to-ground faults.

FAULT AUTO-RESET

HVAC FUNCTIONS

ENERGY SAVING

PROTECTION AGAINST SHORT CYCLES

DRY PUMP

BROKEN BELT

MAIN PID CONTROLLER

Parameters P1011-P1034 configure the Main PID controller for automatic motor speed control based on feedback.

EXTERNAL PID CONTROLLER

FIRE MODE

Function P0580-P0582 allows operation under adverse conditions with disabled protections, critical for safety systems.

BYPASS MODE