详情
Schneider Electric PowerLogic PM800 Series
PowerLogic PM800 Series Power Meters
Schneider Electric PowerLogic PM800 Series meters are legacy high-performance power and energy meters used for electrical network monitoring, energy metering, demand monitoring, power factor review, harmonics, alarms, data logging and power quality visibility.
The PM800 Series includes models such as PM810, PM820, PM850 and PM870. These meters were widely used in LV and MV electrical systems for industrial, commercial, utility and critical power monitoring applications.
Series PowerLogic PM800
Models PM810 / PM820 / PM850 / PM870
Communication RS485 Modbus, optional Ethernet depending on configuration
Status Legacy series with recommended modern replacements
Product Overview
The PowerLogic PM800 Series was designed to provide accurate three-phase power and energy measurement in a compact panel meter format. It supports monitoring of voltage, current, power, energy, power factor, frequency, demand, total harmonic distortion, alarms and logs depending on the selected model and accessories.
The range was commonly used for electrical network monitoring, power quality review, energy cost allocation, demand management, equipment-level metering and power monitoring software integration. Many existing facilities still have PM800 meters installed and connected to EMS, BMS, SCADA or PowerLogic monitoring systems.
Legacy product note: The PM800 Series is a legacy Schneider Electric meter family. For new projects, review current replacement models such as PowerLogic PM5500 / PM5000 series or PM8000 series depending on the application, power quality requirement and communication architecture.
Typical Monitoring Architecture
PM800 meters are installed at electrical panels and communicate through RS485 Modbus, or through an optional Ethernet communication module depending on site configuration. Existing data can be integrated into EMS, BMS, SCADA, Power Monitoring Expert, gateway systems or IoTWatt 4.0.
1 CT / Voltage Inputs
2 PM800 Meter
3 RS485 / Optional Ethernet
4 Meter Data + Alarms
5 EMS / BMS / IoTWatt
Key Features
Three-Phase Power Metering
Measures voltage, current, power, energy, power factor, frequency and demand values for three-phase electrical systems.
Power Quality Visibility
Supports total harmonic distortion and harmonic data depending on the PM800 model.
RS485 Modbus Communication
Supports Modbus-based integration into monitoring software, PLC, EMS, BMS, SCADA or gateway systems.
Data Logging
Selected PM800 models support onboard data logging for energy, demand, events and electrical trend review.
Alarm Functions
Supports electrical alarms for abnormal voltage, current, demand, power factor or other configured conditions.
Digital I/O
Supports digital input and output functions for pulse, status, alarm and external signal applications depending on configuration.
Compact Panel Meter
Designed for panel mounting in switchboards, MCC panels, distribution boards and electrical metering panels.
Software Integration
Can be connected to Schneider Electric power monitoring software and third-party Modbus systems.
Legacy System Support
Useful for maintaining, migrating or integrating existing PM800 metering installations into newer monitoring platforms.
PM800 Series Model Positioning
| Model |
Typical Positioning |
Monitoring Capability |
Replacement Direction |
| PM810 |
Entry model in the PM800 Series |
Power and energy monitoring, RS485 Modbus, THD and basic alarms depending on configuration |
For new projects, review PowerLogic PM5000 / PM5500 type models |
| PM820 |
Enhanced metering with logging capability |
Power and energy monitoring, demand, logs, alarms and harmonic information depending on configuration |
For new projects, review PowerLogic PM5000 / PM5500 type models |
| PM850 |
Advanced PM800 model for power monitoring and power quality review |
Enhanced logs, waveform capture and stronger power quality visibility compared with lower models |
For new projects, review PowerLogic PM8000 series |
| PM870 |
Highest PM800 model for advanced monitoring and waveform capture |
Advanced waveform capture and power quality visibility for critical monitoring applications |
For new projects, review PowerLogic PM8000 series |
Applications
Main Incomer Monitoring
Used at LV incomers, transformer incomers and main feeder panels for overall electrical visibility.
Sub-Metering
Used to monitor energy by feeder, process, production area, tenant, building zone or major equipment group.
Demand Management
Tracks demand and peak usage behaviour to support load management and capacity review.
Power Factor Review
Supports monitoring of true power factor, displacement power factor and reactive power behaviour.
Power Quality Monitoring
Supports THD, harmonics, alarms and waveform functions depending on the model installed.
Legacy Meter Integration
Existing PM800 meters can be integrated into new energy dashboards or IoTWatt 4.0 through Modbus communication.
Typical Measured Parameters
| Parameter Group |
Typical Measurements |
| Voltage |
Line-to-line, line-to-neutral and average voltage values depending on wiring configuration. |
| Current |
Phase current, average current and neutral current values depending on wiring configuration. |
| Power |
Active power, reactive power, apparent power and per-phase power values. |
| Energy |
Active energy, reactive energy and apparent energy values for metering and cost allocation. |
| Power Factor |
True power factor and displacement power factor values. |
| Frequency |
System frequency measurement. |
| Demand |
Power demand and current demand values for load and peak usage review. |
| Power Quality |
THD, harmonics, waveform capture and disturbance visibility depending on model. |
| Logs and Alarms |
Event logs, alarm logs, data logs and min/max values depending on model and configuration. |
Communication and Integration
PM800 meters are commonly integrated using RS485 Modbus. Some installations may include an optional Ethernet communication card. For existing sites, the communication method should be verified before integration or replacement planning.
| Integration Requirement |
PM800 Series Capability |
| Local Panel Display |
Supported through the meter display depending on model configuration. |
| RS485 Modbus Monitoring |
Commonly supported for integration into monitoring systems. |
| Ethernet Monitoring |
Available only where an Ethernet communication option is installed. |
| EMS / BMS / SCADA |
Can be integrated through Modbus communication depending on site configuration. |
| Power Monitoring Software |
Can be connected to Schneider Electric power monitoring software environments for legacy monitoring. |
| IoTWatt 4.0 |
Can be integrated through RS485 Modbus or Ethernet gateway where register mapping and communication access are available. |
Integration note: For IoTWatt 4.0, existing PM800 meters can normally be connected through RS485 using a compatible Modbus gateway such as RS2LAN, RS2MQTT, RS2WLAN or another supported gateway. Ethernet-enabled PM800 installations can be reviewed for direct IP-based integration.
Legacy Replacement Guide
The PM800 Series remains important because many sites still have installed meters. However, for new supply, expansion or replacement projects, modern PowerLogic meters should normally be considered.
| Existing PM800 Model |
Typical Replacement Direction |
Reason |
| PM810 |
PowerLogic PM5500 / PM5000 family |
Suitable replacement direction for general power and energy monitoring applications. |
| PM820 |
PowerLogic PM5500 / PM5000 family |
Suitable for modern RS485 / Ethernet metering and updated monitoring architecture. |
| PM850 |
PowerLogic PM8000 family |
Better direction where advanced power monitoring and power quality visibility are required. |
| PM870 |
PowerLogic PM8000 family |
Better direction where waveform capture, power quality and advanced metering are required. |
Replacement note: Before replacing an existing PM800 meter, confirm panel cut-out, wiring, CT ratio, CT secondary, control power, communication method, register mapping and software integration requirement. Replacement may require engineering review, gateway configuration and dashboard remapping.
Integration with IoTWatt 4.0
Existing PM800 meters can be used as a data source for IoTWatt 4.0 where communication access is available. This allows older PM800 installations to be extended into modern energy dashboards, digital energy audit workflows, EECA reporting and energy performance analytics.
- Monitor kWh, kW, current, voltage, power factor and demand values from existing PM800 meters.
- Use historical and live meter data for load profiling and energy baseline development.
- Support energy audit findings with measured electrical data.
- Track abnormal consumption, peak demand events and poor power factor conditions.
- Use available harmonic or THD values for basic power quality awareness.
- Integrate PM800 meters through RS485 Modbus gateway or Ethernet where available.
- Plan phased migration from PM800 to PM5000, PM5500 or PM8000 when meters reach replacement stage.
Recommended Site Review Checklist
- Confirm exact PM800 model installed: PM810, PM820, PM850 or PM870.
- Confirm whether the meter is still operational and whether display readings are correct.
- Confirm CT ratio, CT secondary rating, CT class, CT burden and CT polarity.
- Confirm voltage wiring configuration and control power supply.
- Confirm RS485 or Ethernet communication availability.
- Confirm Modbus address, baud rate, parity and register mapping.
- Confirm whether logging, alarms or waveform functions are being used.
- Confirm existing EMS, BMS, SCADA or power monitoring software dependency.
- Confirm whether the meter should be integrated, retained, replaced or upgraded.
- Test readings, communication and data quality before connecting into IoTWatt 4.0.
PowerLogic PM800 Integration, Replacement and IoTWatt 4.0 Upgrade Support
Saturn Pyro supports Schneider Electric PowerLogic PM800 Series legacy meters for site review, Modbus integration, replacement planning, PM5000 / PM8000 migration, EMS / BMS / SCADA connectivity and IoTWatt 4.0 digital energy audit projects in Malaysia.
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