The PMC-53A Intelligent Multifunction Meter is CET’s latest offer for the low-cost digital power/energy metering market. Housed in an industry standard DIN form factor measuring 96mmx96mmx67mm, it is perfectly suited for industrial, commercial and utility metering applications. The PMC-53A features quality construction, multifunction measurements and a large, backlit, easy to read Dot-Matrix LCD display. Compliance with the IEC 62053-22 Class 0.5S kWh Accuracy Standard, it is a cost effective replacement for analog instrumentation, capable of displaying 3-phase measurements at once. It provides four Digital Inputs for status monitoring, two Relay Outputs for control and alarm applications and optionally offers I/O modules or RS485 modules or I4 modules for extensive applications. With the Metasys N2 and BACnet MS/TP protocol support, the PMC-53A can easily be integrated into Johnson Controls or other Building Automation Systems.

Typical Applications
  ▪ Industrial, Commercial and Utility Substation Metering
  ▪ Building, Factory and Process Automation
  ▪ Sub-metering and Cost Allocation
  ▪ Energy Management and Power Quality Monitoring

Features Summary
Basic Measurements
  ▪ VLN, VLL per phase and Average
  ▪ Current per phase and Average with calculated Neutral
  ▪ kW, kvar, kVA, PF per phase and Total
  ▪ kWh, kvarh Import / Export / Net / Total and kVAh Total
  ▪ Frequency
  ▪ Device Operating Time (Running Hours)
  ▪ Optional I4 measurements
  ▪ Calculated Residual Current Ir (with optional I4 Input)

Advanced Measurements
  ▪ 1-Cycle Real-time U & I Waveform Display @ 1s update rate
  ▪ U and I THD, TOHD, TEHD and Individual Harmonics up to 31st
  ▪ Current TDD, TDD Odd, TDD Even, K-Factor and Crest Factor
  ▪ U and I Unbalance and Phase Angles
  ▪ Displacement PF
  ▪ Fundamental U, I and kW per phase
  ▪ Total Fundamental kW & Total Harmonic kW
  ▪ U and I Symmetrical Components
  ▪ kvarh Q1-Q4
  ▪ Interval Energy for kWh/kvarh Imp/Exp and kVAh
  ▪ Demands, Predicted Demands and Peak Demands for kW/kvar/kVA Total and per phase Current with Timestamp for This Month (or Since Last Reset) and Last Month (or Before Last Reset)
  ▪ Two TOU schedules, each providing
    - 12 Seasons
    - 20 Daily Profiles, each with 12 Periods in 15-minute interval
    - 90 Holidays or Alternate Days
    - 8 Tariffs, each providing the following information
  * kWh/kvarh Import/Export, kVAh
  * kW/kvar/kVA Max. Demands
  * 12 monthly recording of kWh/kvarh Import/Export/Total/Net, kVAh, kvarh Q1-Q4 as well as kWh/kvarh Import/Export and kVAh per Tariff

Ease of use
  ▪ Large, backlit, Dot-Matrix LCD display with wide viewing angle
  ▪ Intuitive user interface
  ▪ LED indicators for Energy Pulsing and Communication activities
  ▪ Password-protected setup via front panel or free PMC Setup software
  ▪ Easy installation with mounting clips, no tools required
Setpoints
  ▪ 9 user programmable setpoints with extensive list of monitoring parameters including Voltage, Current, Power and THD, … etc.
  ▪ Configurable thresholds, time delays and DO triggers
SOE Log
  ▪ 100 events time-stamped to ±1ms resolution
  ▪ Setup changes, Setpoint and DI status changes and DO operations
Max/Min Log
  ▪ Max/Min Log with Timestamp for real-time measurements such as Voltage, Current, In, I4, Freq., kW, kvar, kVA, PF, Unbalance, K-factor, Crest Factor and THD.
  ▪ Configurable for This Month/Last Month or Before/Since Last Reset
Freeze Logs (Optional)
  ▪ 60 Daily Freeze Logs for kWh/kvarh/kVAh Total and kW/kvar/kVA Peak
Demands
  ▪ 36 Monthly Freeze Logs for kWh/kvarh/kVAh Total and kW/kvar/kVA Peak Demands with Timestamps
Data Recorder Log (Optional)
  ▪ 5 Data Recorders of 16 parameters each for real-time measurements, harmonics, energy, demand, TOU, Pulse Counters, …etc.
  ▪ Recording interval from 1 minute to 40 days
  ▪ Configurable capacity up to a max. of 100 days at 15-minute interval
Diagnostics
  ▪ Frequency Out-of-Range, Loss of Voltage / Current
  ▪ kW Direction per phase and Total, Possible incorrect CT Polarity
  ▪ Incorrect U & I Phase Sequence Communications
  ▪ Optically isolated RS485 port at max. 38,400 bps
  ▪ Selectable Modbus RTU, BACnet MS/TP , Metasys N2 and DNP 3.0
  ▪ Optional 2nd RS485 port with Modbus RTU support only
Real-time clock
  ▪ Battery-backed Real-Time Clock with 25ppm accuracy (<2s per day)
System Integration
  ▪ Supported by CET’s PecStar® iEMS and iEEM
  ▪ Easy integration into Johnson Controls Metasys with N2 or other Building Automation Systems with BACnet MS/TP or Modbus RTU
  ▪ DNP 3.0 for Utility Substation Automation
Inputs and Outputs
Digital Inputs (Optional)
  ▪ Up to 6 channels, volts free dry contact, 24VDC internally wetted
  ▪ 1000Hz sampling for status monitoring with programmable debounce
  ▪ Pulse counting with programmable weight for each channel for collecting WAGES (Water, Air, Gas, Electricity, Steam) information
  ▪ Tariff switching based on DI status
Digital Outputs (Optional)
  ▪ Up to 4 Form A mechanical relays for alarming and general purpose control
Pulse Outputs (Optional)
  ▪ Up to 4 Form A Soild State Relays for kWh and kvarh pulsing
Expansion Modules
Expansion Module A Options
  ▪ I4 Input
  ▪ RS485 port with optical isolation, supporting Modbus RTU
Expansion Module B Options
  ▪ 2xDigital Inputs and 2xRelay Outputs
  ▪ 2xDigital Inputs and 2xSold State Pulse Outputs
  ▪ 2xRTD Inputs (PT100 sensor not included)
  ▪ 1xAI and 1xAO (0/4-20mA)