1. Application Background and Industry Pain Points In enclosed or semi-enclosed environments such as underground parking lots, automobile repair workshops, welding workshops, paint booths, and other industrial sites, harmful gases like carbon monoxide (CO), emitted from vehicle exhaust, fuel combustion, or industrial processes, can accumulate over time. This presents a health risk to workers and affects the quality of air.…
Month: June 2025
Multi-Speed Control via S1/S2/S3 Terminals on INVT Goodrive20 VFD
In industrial automation, multi-speed control is a practical and efficient method to handle varying load requirements using a Variable Frequency Drive (VFD). This article provides a step-by-step guide on configuring the INVT Goodrive20 series VFD to implement 3-wire (S1, S2, S3) multi-speed operation, suitable for up to 8 preset speed levels. 1. Control Principle The Goodrive20 supports up to 16…
Implementation Plan for Automated Control System of Mooncake Production Line
Based on Longi 900 Series Inverter and Mitsubishi FX3U PLC 1. Project Background Mooncakes are a traditional Chinese delicacy with cultural significance, especially during the Mid-Autumn Festival. With increasing market demand for quality, production capacity, and hygiene standards, traditional manual production methods have become inadequate. Therefore, building an efficient, stable, and intelligent automated mooncake production system is crucial. This project…
What Does “REnt” and “rEAd0” Mean on Delta VFD-VE Inverter? Full Explanation and Solutions
Delta’s VFD-VE series inverters are widely used in various industrial automation applications for their stable performance and advanced vector control (FOC) capabilities. However, users may encounter some English prompts on the operator panel during operation, such as “REnt” or “rEAd0”, which can be confusing, especially for first-time users. This article explains the meaning of these two prompts, the reasons why…
ACS850 Inverter Fault “03:58A” On-site Troubleshooting and Maintenance Guide
Introduction The ABB ACS850 inverter is a widely used AC motor control device in the industrial sector, renowned for its high flexibility and reliability. However, when the inverter displays the fault code “03:58A”, it may indicate an issue with the Encoder Interface Module (FEN-XX) or the communication between the encoder and the inverter, leading to equipment shutdown. This document provides…
Shihlin SS2 Inverter “ou0” Fault: Analysis and Solutions
Introduction In the field of industrial automation, Variable Frequency Drives (VFDs) are essential for controlling motor speed and torque. The Shihlin SS2 series inverter is widely recognized for its efficiency and reliability across various industrial applications. However, like any electronic device, it may encounter faults, one of which is the “ou0” fault—a common issue that can lead to downtime and…
What’s the matter with the FF8E warning appearing on the ABB ACS800 series frequency converter, and how can it be resolved?
Introduction The ABB ACS800 series frequency converter is a robust solution widely used in industrial applications, supporting a power range from 0.75 to 7500 horsepower. However, one common issue users may encounter is the FF8E warning, which signals that the drive has not received the “Run Enable” signal required for operation. This article provides a detailed exploration of the FF8E…
ZK880-N Positive Control Inverter Three-Stage Speed Control Implementation Guide
Guide to Resolving Fault 2281: Current Measurement Calibration on ABB ACS580 Drives
Introduction The ABB ACS580 is a robust and reliable Variable Frequency Drive (VFD) widely used in industrial applications for precise control of AC motors. However, like any complex electronic device, the ACS580 may encounter faults that require troubleshooting and maintenance. One common issue is “Fault 2281,” which is related to current measurement calibration. This document provides a detailed explanation of…
Detailed Explanation of Shihlin SS2 Inverter E0 Fault: Causes, Solutions, and Preventive Measures
Introduction Inverters are vital components in industrial automation, enabling precise control over motor speed and torque across various sectors, including manufacturing and energy. The Shihlin SS2 series inverter, manufactured by Shihlin Electric, is widely recognized for its reliability and performance. However, like any complex equipment, it may encounter faults during operation. One such issue is the E0 fault, which can…

