E-Mon E-PS-E-RTU-N - Manual (Page 13)

Chapter 1 General Information Features
PowerSmart+ Power Quality Meter 13
• Three-phase total and per phase energy measurements; active,
reactive and apparent energy counters
• Time-of-Use, 4 totalization and tariff energy/demand registers x 8
tariffs, 4 seasons x 4 types of days, 8 tariff changes per day,
• One–time easy programmable tariff calendar schedule
• Automatic daily energy and maximum demand profile log for total
and tariff registers
Harmonic Analyzer
• Voltage and current THD, current TDD and K-Factor, up to 40th
order harmonic
• Voltage and current harmonic spectrum and angles
Real-time Waveform Capture
• Real-time “scope mode” waveform monitoring capability
• Simultaneous 6-channel one-cycle waveform capture at a rate of
64 samples per cycle
Programmable Logical Controller
• Embedded programmable controller
• 16 control setpoints; programmable thresholds and delays
• Relay output control (see Available Options )
• 1-cycle response time
Event and Data Recording
• Non-volatile memory for long-term event and data recording
• Event recorder for logging internal diagnostic events and setup
changes
• Two data recorders; programmable data logs on a periodic basis;
automatic daily energy and maximum demand profile log
Digital I/O
• Optional four digital inputs with 1-ms scan time; automatic
recording of last five digital input change events with timestamps
(see the PowerSmart+ PQM Modbus Reference Guide)
• Optional two relay outputs with 1-cycle update time; unlatched,
latched, pulse and KYZ operation; energy pulses
Display
• 3.5 inch Monochrome Graphic LCD display with 240 x 128 dots
resolution, adjustable update time backlit and user defined
brightness setting
• Auto-scroll option with adjustable page exposition time; auto-
return to a default page
• LED bar graph showing percent load with respect to user-
definable nominal load current
Real-time Clock
• Internal clock with 20-second retention time
• Optional battery-operated clock unit (see Available Options )