A-B 1408-EM3A-ENT EtherNet/IP Energy Meter

A-B 1408-EM3A-ENT | EtherNet/IP Energy Meter

Specifications

• Measurement: 3‑phase voltage, current, power (kW/kVA/kVAR), energy (kWh/kVARh), frequency, power factor, demand, harmonics (2nd–63rd)
• Voltage Input: 26–691 V AC (direct or via PT)
• Current Input: 5 mA–15 A (CT secondary, 5 A nominal)
• Accuracy: Class 0.2S (kWh), Class 0.5S (kVARh); V/I ±0.1%, Power ±0.2%
• Sampling: 256 samples/period (high‑precision waveform capture)
• Communication:
  • EtherNet/IP + Modbus TCP (10/100 Mbps Ethernet)
  • RS‑485 (Modbus RTU/DF1)
• I/O: 4×DI (status), 4×DO (alarm/control), 2×4–20 mA analog outputs
• Display: Integrated LCD (real‑time data)
• Power Supply: 85–264 V AC / 125–250 V DC, 4 VA maxRockwell Automation
• Operating Temp: –10 °C to +60 °C
• Mounting: DIN‑35 rail / panel mount
• Dimensions (W×H×D): 105 × 90 × 65 mm
• Weight: Approx. 0.35 kg

Key Features

1. High‑Accuracy Energy Billing: Meets IEC 62053‑21/23 for revenue‑grade metering.
2. EtherNet/IP Native: Seamless integration with Rockwell PLCs (ControlLogix/CompactLogix).
3. Power Quality Monitoring: Harmonics, THD, and waveform capture for predictive maintenance.
4. Onboard Web Server: Browser‑based configuration and real‑time data access.
5. Compact & Rugged: DIN‑rail mount, wide temp range, and industrial EMC protection.

Applications

• Industrial energy management & cost allocation
• Building automation & HVAC monitoring
• Data center power metering
• Process industries (water, food, chemical)
• OEM machine power monitoring