FU2200A Smart Meter – Teaching Q&A

FU2200A Smart Meter – Teaching Q&A

Q1: What is the FU2200A smart meter?

The FU2200A is a digital multifunction power meter that measures:

  • Voltage, current, and power factor
  • Active and reactive power
  • Harmonics and other power quality metrics

It also has Ethernet and RS485 interfaces for connection to SCADA systems, IoT platforms, or energy management systems.

💡 Teaching tip: Think of it as a "smart detective" for electricity — it not only counts usage but also tracks power health and quality.

Q2: How is FU2200A different from typical smart meters in Nigeria?

While most Nigerian smart meters focus on basic prepaid/postpaid billing, FU2200A adds:

  • Detailed power quality monitoring
  • Historical data logging
  • Connectivity for IoT or smart grid integration

Q3: Does the FU2200A have built-in IoT sensors?

No. FU2200A does not include embedded IoT sensors like Wi-Fi or NB-IoT modules. However, it can connect to IoT systems via Ethernet or Modbus for remote monitoring and cloud integration.

💡 Teaching tip: Think of it as a "brain" that needs a network to communicate, rather than having its own direct internet access.

Q4: Why is detailed data logging important?

FU2200A can log data at intervals of 1–60 minutes, helping learners and utilities to:

  • Analyze usage trends
  • Detect anomalies or theft
  • Forecast energy demand
  • Optimize energy management

Q5: What kind of connectivity does it support?

FU2200A supports:

  • Ethernet LAN
  • RS485 ports
  • Modbus TCP/IP and RTU protocols

This allows integration with SCADA systems, IoT gateways, or cloud platforms.

Q6: Key Characteristics and Functions

Parameter / Feature Description / Function
Rated Voltage 3×220/380V
Rated Current 1A / 5A (configurable)
Accuracy Class 0.5S (energy), 0.2% (voltage/current)
Measured Quantities Voltage, Current, Active/Reactive Power, Power Factor, Harmonics
Communication Ethernet 10/100M, RS485
Protocols Modbus RTU / Modbus TCP/IP
Data Logging Configurable 1–60 min interval
Display LCD/LED for real-time readings
Operating Temperature -10°C to 55°C
Mounting Panel / DIN rail

Source: GFUVE, China

Q7: How is FU2200A wired?

FU2200A Wiring Diagram

Source: GFUVE, China

Key wiring points:

  • L1, L2, L3 → Phase inputs
  • N → Neutral input
  • CTs (Current Transformers) → Measure current if direct connection is not used
  • RS485 / Ethernet port → Connects to SCADA, IoT gateway, or energy management system
  • Panel / DIN rail mounting → Ensures safe installation
💡 Teaching tip: Understanding wiring shows how the meter measures electricity and sends data to smart systems.

Q8: How does FU2200A help utilities and learners?

  • Detect faults and outages early
  • Monitor electricity theft
  • Forecast demand and optimize load
  • Integrate into IoT platforms for advanced energy management

Q9: Why is it considered future-proof?

Its network interfaces and data logging make FU2200A ready for smart grid and IoT integration, even without embedded IoT sensors.

Q10: Why are Nigerian utilities choosing FU2200A?

  • Overcomes limited data granularity in current meters
  • Provides reliable connectivity and analytics
  • Supports integration with IoT and smart energy platforms
💡 Takeaway for Students & Learners: FU2200A teaches that "smart" is more than billing. A truly smart meter measures power quality, logs data, connects to networks, and supports advanced grid management.

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