ABB PVS-50-TL

Questions and Answers:

C
Cindy LewisAug 6, 2025
What to do if my ABB PVS-50-TL Inverter is able to identify a wireless network but is unable to connect to it?
- J
  Jeffrey DavisAug 6, 2025
  Several factors can cause this. The signal between the inverter and the wireless router might be too weak. Try the following: * Modify the position of the wireless antenna, the inverter, or the router. * Ensure the inverter isn't near obstacles that could affect communication, such as metal cages or walls, reinforced concrete walls, or electromagnetic fields. * Move the router closer to the inverter. * Install a wireless signal repeater to extend the network and connect the inverter to the repeater. Also, if the wireless network requires a username and password for navigation (like a public network), the inverter cannot connect to it. Use an alternative wireless network in this case.
N
Nicole ClarkeAug 12, 2025
What to do if my ABB Inverter has not identified the wireless network to which connection is required?
- M
  Michelle PerezAug 12, 2025
  This issue can occur for several reasons. One reason is that the wireless network is set to be hidden. The Inverter cannot connect to a hidden network. Set the wireless network to be visible, then identify and connect the Inverter to the wireless network as normal. Another reason could be a weak signal between the inverter and the wireless router. To resolve this, modify the position of the wireless antenna, the inverter, or the router. Also, make sure that the inverter has not been installed near obstacles which could affect the communication with the wireless router, and move the router as close as possible to the inverter or install a wireless signal repeater.
D
Dawn OrtizAug 18, 2025
How to access the internal webserver of ABB Inverter if I forgot the password?
- T
  terrance35Aug 18, 2025
  If you've forgotten your ADMIN or USER password, you can reset it by clicking on “Forgot your password”. The passwords can be reset after entering the “Product Key” code found on the “Wireless Identification Label”.
L
Lori CastilloAug 25, 2025
Why is my ABB PVS-50-TL having alternating difficulties in the local connection to the internal webserver?
- A
  Anthony PowellAug 25, 2025
  This could be due to a few reasons. First, the inverter might not be correctly powered. Access to the internal webserver is only possible when the inverter has power. Second, the wireless connection signal between your device and the router or the Inverter may not be strong enough or could be affected by obstacles. Ensure the signal is sufficiently strong and free from interference from metal cages or walls, reinforced concrete walls, or strong electromagnetic fields.
F
flynnjenniferAug 30, 2025
How to fix if the wireless board of ABB PVS-50-TL Inverter does not communicate correctly with the inverter?
- R
  Rhonda WatsonAug 30, 2025
  There are a couple of things to check. First, the wireless board of the inverter could be damaged. In this case, request a service intervention to check that the inverter wireless board is working correctly. Second, wrong Inverter Date/Time settings can cause this issue. Check if Date/Time has correctly set on the inverter and correct it if necessary.

ABB PVS-50-TL Specifications

General

Brand	ABB
Model	PVS-50-TL
Category	Inverter
Language	English

Summary

Introduction and General Information

Scope and Target Audience

Defines the manual's intended audience and the scope of information covered.

Symbols and Signs

Explains the meaning of safety symbols, labels, and icons used in the manual and on the equipment.

Characteristics Overview

Introduces the inverter's technical specifications, models, and general conditions.

Inverter Characteristics

General Conditions for Characteristics

General information and context for understanding product characteristics.

Field of Use and Limits

Defines the intended use, operational limits, and prohibited actions for the inverter.

Equipment Identification

Details on identifying the inverter model, manufacturer, and rating labels.

Models and Range of Equipment

Lists the available inverter models and their specific configurations and variants.

Reference Components Overview

Identifies key external components, mounting brackets, and anchor points.

Inverter External Views

Illustrates external views of the inverter, labeling various ports and components.

Inverter Internal Views (Wiring Boxes)

Shows the internal layout of wiring boxes and the location of electrical components.

Communication and Control Board Details

Details the connectors and components on the main communication and control board.

Principal Wiring Box Components

Describes key electrical components like DC disconnect switch and surge arresters.

Technical Data and Characteristics

Provides comprehensive input/output, performance, and environmental specifications.

Tightening Torques and Cable Gland Specs

Specifies torque values for connections and cable gland clamping ranges.

Overall Inverter Dimensions

Presents the physical dimensions of the inverter unit including mounting.

Mounting Bracket Dimensions

Details the dimensions and specifications of the wall mounting bracket.

Inverter Efficiency Curves

Graphs illustrating inverter efficiency at different output powers and voltages.

Power Limitation and Derating

Explains causes and effects of power reduction (derating) due to operating conditions.

Power Reduction Due to InputGrid Voltage

Details how input and grid voltage levels affect inverter output power.

P-Q Curve Capability

Describes the inverter's capability for active and reactive power output.

Photovoltaic Generator Characteristics

Explains PV generator structure: cells, modules, strings, and arrays.

Equipment Description and Operating Diagram

Overview of the inverter's function and a basic system operating diagram.

Functionality and Components Highlights

Summarizes key features like MPPT, topology, and installation options.

Configurable Relay and Remote Control

Explains configurable relay functions and remote switch-on/off capabilities.

Reactive and Active Power Control

Details inverter capabilities for grid power factor and active power limiting.

Communication Interface and Web Server Access

Describes communication ports and methods to access the inverter's web server.

Ethernet Bus Connection Topologies

Explains Ethernet connection options: daisy chain, ring, and star layouts.

Topographic Diagram of Equipment

Summarizes the internal structure and design flexibility of the inverter.

Safety Devices and Protections

Details anti-islanding, ground fault, fuses, surge arresters, and other safeguards.

Safety and Accident Prevention

Safety Information and Instructions

General safety guidelines, responsibilities, and information sources for operators.

Hazardous Areas and Operations

Addresses environmental risks and precautions for hazardous operations.

Signs and Labels Importance

Instructions regarding the importance and maintenance of equipment labels.

Thermal and Electrical Hazards

Details risks associated with hot surfaces, electrical hazards, and fire safety.

Personnel Protective Equipment (PPE)

Specifies required PPE and clothing for safe operation and maintenance.

Residual Risks and Mitigation

Lists residual risks and suggests remedies for safe operation and maintenance.

Lifting and Transport Procedures

Transport and Handling Guidelines

Provides recommendations for safe transport and handling of the inverter.

Lifting and Unpacking Precautions

Details safe lifting practices and unpacking procedures for the equipment.

Storage and Weight Information

Covers storage recommendations and equipment weight for handling.

Types of Lifting

Describes methods and advice for safely lifting the inverter unit.

List of Supplied Components

Lists all components included with the inverter for installation.

Installation Procedures

General Installation Conditions

Outlines general requirements and qualifications for installation personnel.

Installation Site and Position Guidelines

Specifies requirements for selecting an optimal and safe installation location.

Wireless Signal Environmental Checks

Guides on checking wireless signal strength for optimal connectivity.

Installation at High Altitudes and Humidity

Addresses installation considerations for altitudes above 2000m and high humidity.

Mounting the Inverter on the Bracket

Provides step-by-step instructions for mounting the inverter using the bracket.

AC Grid Output Connection

Details the procedure for connecting the inverter to the three-phase grid.

Protective Earth Cable Sizing

Provides guidelines for selecting the correct cross-section for the protective earth cable.

Residual Current Protection Device

Specifies requirements for installing a residual current protection device.

Load Protection Switch (AC Disconnect)

Details the specifications for the AC overcurrent protection device.

AC Line Cable Characteristics and Sizing

Guides on selecting the AC line conductor cross-section and maximum length.

Connecting to the AC Terminal Block

Step-by-step instructions for connecting AC cables to the terminal block.

PV Generator Connection Preparations

Covers pre-connection checks for PV generator leakage, voltage, and polarity.

Input Channel Configuration (IndependentParallel)

Explains how to configure input channels for independent or parallel MPPT operation.

PV Generator Channel Configuration Examples

Provides examples illustrating different PV generator configurations for MPPT.

Default and Parallel Input Channel Setup

Details default independent and parallel configuration procedures for SX/SX2 models.

DC Input Connection to PV Generator

Guides on connecting the PV generator to the inverter's DC inputs.

DC Input Connection (Standard and -S Models)

Provides specific instructions for connecting DC inputs on Standard and -S models.

DC Input Connection (-SX -SX2 Models)

Details DC input connection using quick-fit connectors for -SX/-SX2 models.

Quick-Fit Connector Installation Procedures

Step-by-step guide for installing various types of quick-fit connectors.

String Protection Fuses (SXSX2 Models)

Explains the sizing and replacement of string fuses in SX/SX2 models.

Communication and Control Board Overview

Identifies components and connections on the communication and control board.

Connecting to Communication and Control Board

Details how to connect cables to the communication board via glands.

Ethernet Connection Configuration

Explains Ethernet cable requirements and connection to the interposer board.

Ethernet Connection Topologies

Illustrates ring, daisy chain, and star Ethernet connection topologies.

RS485 Serial Communication (Slave)

Details RS485 connection for monitoring and control using slave mode.

RS485 RJ45 Connector Wiring

Provides wiring diagrams for connecting RS485 via RJ45 connectors.

RS485 Chain Termination and Addressing

Explains how to terminate RS485 communication lines and set addresses.

RS485 Serial Communication (SlaveMaster)

Details RS485 connection for master/slave modes with accessories.

Remote Control and Relay Connections

Explains remote control function and configurable relay connections (ALARM/AUX).

Front Cover Closure for IP Protection

Instructions for correctly closing the front cover to maintain IP rating.

Instruments and Indicators

General Conditions for Instruments

General advice on understanding and using inverter instruments.

Inverter LED Status Indicators

Describes the function of the inverter's front panel LEDs.

LED Isolation Fault Indication

Explains the meaning and troubleshooting of the isolation fault LED.

User Interface Options

Details the available user interfaces: Web UI, Local Display, Aurora Manager Lite, Mobile App.

Measurement Tolerance Specifications

Provides information on the inverter's measurement tolerances compared to certified instruments.

Inverter Operation

General Operating Conditions

General conditions and precautions for operating the inverter.

Inverter Commissioning Procedure

Outlines the two methods for commissioning the inverter: APP or Web UI.

Commissioning via Mobile APP

Step-by-step guide for commissioning using the ABB Installer mobile application.

Commissioning via Web UI (Wireless)

Instructions for commissioning the inverter using the Web User Interface wirelessly.

Web User Interface Menu Structure

Overview of the Web UI navigation structure and main sections.

MAIN Section: Dashboard and Status Summary

Details the MAIN section for viewing system status and production data.

SETTING Section: Parameter Configurations

Covers AC/DC settings, grid connection, and protection parameters.

Inverter Log: Alarms and Warnings

Explains how to view and filter alarm and warning events in the inverter log.

USER Section: Account Management

Covers user account management, email, password, and Admin Plus privileges.

NETWORK Services Overview

Introduces network services: RS485, LAN, WLAN, Modbus, and checks.

RS485 Communication Settings

Details RS485 node address, baud rate, parity, and protocol settings.

LAN Configuration (Daisy Chain)

Covers LAN status and daisy chain configuration using DHCP or static IP.

WLAN Channel Modes (AP and Station)

Explains WLAN Channel 1 (AP Mode) for local access and Channel 2 (Station Mode) for remote access.

Modbus Communication Settings

Details Modbus RTU settings for RS485 and TCP/IP communication.

Connectivity and Debug Settings

Guides on performing connectivity tests and enabling debug access.

Service Tools: Digital Output Management

Explains how to configure relay activation status and custom alarm conditions.

Firmware Update Procedures

Details remote and local methods for updating the inverter firmware.

Date, Time, and Manufacturing Reset

Covers setting the inverter's date/time and performing manufacturing resets.

Information Section: Product Details

Provides access to product info, privacy policy, acknowledgments, and release notes.

Inverter Switch-Off and Safety Prerequisites

Highlights hazards and required skills/tools for inverter switch-off.

Required Tools and PPE for Maintenance

Lists essential tools and personal protective equipment for safe operations.

Switch-Off Procedure Steps

Detailed step-by-step instructions for safely switching off the inverter.

Maintenance Operations

General Maintenance Conditions

General rules and precautions for performing maintenance tasks.

Routine Maintenance Schedule

Outlines recommended annual inspections, operations, and cleaning for efficiency.

Troubleshooting Guide

Covers common issues and solutions for inverter and communication problems.

Internal Webserver and Wireless Troubleshooting

Specific troubleshooting steps for webserver and wireless communication issues.

Inverter Alarm Messages and Causes

Lists all alarm messages, their causes, and suggested solutions for troubleshooting.

Power Limitation Messages Explained

Details messages indicating power limitations due to user settings or grid conditions.

Procedure for Dismantling the Inverter

Provides instructions for safely dismantling and disassembling the inverter.

Registering for Admin Plus Security Token

Guides on obtaining a security token for advanced configuration access.

Replacing DC String Fuses

Step-by-step procedure for replacing DC string fuses in SX/SX2 models.

Replacing the Cooling Section

Detailed instructions for replacing the inverter's cooling fan assembly.

Replacing the Buffer Battery

Procedure for replacing the CR2032 buffer battery on the control board.

Verification of Ground Leakage

Explains how to check for ground leakage in the PV generator system.

Storage, Dismantling, and Disposal

Covers procedures for storing, dismantling, and disposing of the equipment responsibly.

Attachments and Network Services

IP Network Services and Ports

Lists required network ports and services for inverter connectivity.

Network Hosts and Configuration

Identifies network hosts and required inverter network configuration parameters.

Further Information and Resources

Provides links for additional information on ABB solar products and services.

Contact Information

Details how to contact ABB for support and inquiries.

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