ABB PM645B Power quality monitoring device

ABB PM645B Power quality monitoring device

It is an all-round power quality device that integrates measurement, monitoring, analysis and protection.

Key Features & Characteristics

1. Comprehensive Electrical Parameter Measurement

• Basic Parameters: Accurately measures all phase and line voltages, currents, frequency, power (active, reactive, apparent), and power factor.

• Energy Metering: Measures active and reactive energy (import and export), supporting multi-tariff functionality.

• Demand Measurement: Monitors current and predicted power demand, aiding users in load management and avoiding penalty fees.

2. Advanced Power Quality Analysis

This is one of the core strengths of the PM645B.

• Voltage and Current Harmonic Analysis: Measures up to the 63rd harmonic and provides Total Harmonic Distortion (THD) and Total Demand Distortion (TDD). This is crucial for identifying and resolving issues caused by non-linear loads (like variable frequency drives, rectifiers).

• Interharmonic Analysis: Analyzes non-integer harmonics.

• Flicker Measurement: Measures voltage fluctuation-caused light flicker (Pst, Plt) according to IEC standards, assessing its impact on lighting equipment.

• Voltage Dips, Swells, and Interruptions: Detects, records, and generates event reports to help analyze grid disturbances.

• Unbalance Measurement: Monitors three-phase voltage and current unbalance.

3. Powerful Event Recording & Fault Diagnostics

• Event Logger: Records all types of system events (e.g., overvoltage, undervoltage, overcurrent, frequency abnormality) with precise time stamps.

• Waveform Recording: Captures voltage and current waveforms before, during, and after a fault (fault recording), which is invaluable for analyzing trip causes and system failures.

• Transient Detection: Capable of capturing rapid voltage spikes.

4. Protection & Control Functions

• Programmable Logic: Features built-in programmable functionality, allowing users to create custom protection schemes or control logic (e.g., automatic backup power transfer, capacitor bank switching based on power factor).

• Relay Outputs: Provides configurable relay outputs for alarms or direct control of devices like circuit breakers and contactors.

• Digital Inputs: Monitors the status of external contacts (e.g., switch position, protection signals).

5. Communication & Integration

• Extensive Communication Interfaces: Typically equipped with multiple communication ports supporting various industrial standard protocols, such as:

  • Modbus RTU/TCP: The most commonly used protocol in the industrial sector.

  • Profibus DP: Widely used in process automation.

  • IEC 61850: The international standard for smart substations and digital distribution systems.

• This allows the PM645B to be easily integrated into SCADA (Supervisory Control and Data Acquisition), DCS (Distributed Control Systems), or any Energy Management System.

6. User Interface & Display

• Features a high-resolution color LCD display that can graphically show measured values, waveforms, vector diagrams, and harmonic spectra, making it highly intuitive.

• The front panel includes navigation keys for easy on-site operation and configuration.

Typical Applications

The PM645B is suited for environments with extremely high requirements for power quality and supply continuity, such as:

• Industrial Plants: Automotive manufacturing, petrochemical, metallurgy, data centers, semiconductor production lines.

• Large Commercial Buildings: Hospitals, airports, shopping malls, office towers.

• Utilities: Substations, power plants, points of connection for renewable energy (e.g., wind farms, photovoltaic plants).

• Critical Infrastructure: Water treatment plants, communication hubs.

Sales of the brand:

ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.

☀️Tara(Sales Director)

📞Tel: + 86-13806028623

📮Whatsapp:+86-13806028623

💬Email: ydf8801@163.com

🏚️Ship to you via DHL/TNT/UPS/EMS/Fedex

🥇Product Condition: One-year warranty

requently Asked Questions:
1. How long does it take to receive the goods?
We have stock in stock and can accept same-day payment and delivery!

2. What payment methods do you accept?
There are many methods (T/T…) for you to choose from, and you can choose whatever you want.

3. Is there after-sales service?
Of course, if our products are brand new, they have a one-year warranty!

4. What courier services do you accept? We offer SF Express, DHL, and other international express delivery options.

5. How can I contact you?

You can contact me 24/7 via WeChat, Skype, WhatsApp, LINE, and my email!

Company Profile

Xingchuang Ronghe (Fuzhou) Electric Co., Ltd. is a company specializing in the sales and technical services of spare parts for the world’s top industrial automation systems. With our profound industry experience and stable supply channels, we provide domestic and foreign customers with original, authentic, complete models, and fast-delivered precision spare parts solutions. We are your reliable partner in ensuring production continuity and stability.

We specialize in distributing the following core brands and product lines:

ABB

•  Process Control: ABB DCS process control system full range of components.
• ABB FreeLance AC800F power modules: SA801F/SA811F/SD802F/SD812F, EI811F/ABB EI812F/ABB EI813F, etc.
• ABB S800 analog I/O modules: AI801/AI810/AI825/AO801/AO845/AO895
• ABB S800 digital I/O modules: DI801/DI810/DO801/DO810

Bently Nevada
3500 Module Mainboards: 3500/42, 3500/45, 3500/40, 3500/50, etc.
(CPU Modules): 3200/32, 3500/25
3500 Module Minimum Cards: 128229-01, 128229-01, 133442-01, 125800-01, 167699-02, etc.
Extension Cables: 330850-50-05 (for preamplifier), 330730-040-00-00, 330103-00-06-10-02-00, etc.

EPRO

•  MMS6000 TSI System: MMS6110/MMS6210/MMS6220 series monitoring modules.
  Sensors: Proximitor sensors CON011, CON021, CON031, etc

GE

• PLC Systems: IC693, IC695, and IC697 Series Modules.
• Drives and Protection: GE DRIVE SYSTEMS Series Inverters, SR Integrated Protection Frame Series.

Rexroth

• Drives and Motors: Full range of Rexroth servo drives and controllers; models include: servo motor 2AD160B-B0350R2-BS03-D2V1, MSK040C-0600-NN-M1-UP1-NSNN, etc.
• Rexroth communication boards and amplifier boards: MTS-P01.2-D2-B1-E1-NN-NN-FWEP, VT-VPCD-1-1X/V0/1-0-1, VT5006-17B, etc.

Siemens

· Process Instruments and Controllers: Siemens MOORE series, common models include: QLCDM024DCBAN, 39ACM24BEN, 39AC12T4V1, 16114-171, etc.
· Automation Systems: Full range of SIMATIC S5 PLCs, SIMATIC S7-400 CPU modules and expansion modules, Simatic C7 systems, and various Siemens touch screens.