E-Mon E-PS-A-RTU-N - Manual (Page 7)

Chapter 1 General Information Mechanical Installation
PowerSmart+ Advanced Power Quality Meter 7
• 16 data recorders; programmable data logs on a periodic basis
and on any internal and external trigger
• Two waveform recorders; simultaneous 6-channel AC recording
in a single plot; sampling rate of 32, 64 and 128 samples per
cycle; 20 pre-fault cycles; up to 30 seconds of continuous
recording at a rate of 32 samples per cycle
• EN50160 Power Quality recorder (EN50160 compliance
statistics, EN50160 harmonics survey statistics, onboard power
quality analyzer; programmable thresholds and hysteresis;
ready-for-use reports)
• Real-time waveform capture and monitoring; simultaneous 6-
channel 4-cycle capture at 128 samples per cycle
• Easy to read 3-row (2x4 characters + 1x6 characters) bright LED
display, adjustable update time, 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
• Detachable display module with a 3-wire RS-485 interface; up to
1000 meters operation
• 2 digital inputs for monitoring external contacts, and receiving
pulses from energy, water and gas meters
• 2 relay outputs for alarms and controls, and for output energy
pulses
• 2 optional optically isolated analog outputs with an internal
power supply; options for 0-20mA, 4-20mA, 0-1mA, and ± 1mA
output
• 2 optional optically isolated analog inputs with an internal power
supply; options for 0-20mA, 4-20mA, 0-1mA, and ± 1mA input
Optional analog expander providing additional 2 x 8 analog outputs; options for
0-20mA, 4-20mA, 0-1mA, and ± 1mA 50/60 Hz operation
Precise internal clock with battery backup
1 Mbyte RAM with battery backup for long-term data and waveform recording
Two communication ports; communications options available:
COM1:
RS-232/RS-422/RS-485
56K Dial-up modem
Ethernet 10/100BaseT, eXpertPower enabled
COM2:
RS-422/RS-485
Modbus RTU, Modbus ASCII and Modbus/TCP, DNP3 and DNP3/TCP (with
firmware V25.2.01 and later) communication protocols
Password security for setup parameters and resets via the front panel and
communications. Recording of tampering attempts to the device event log.
Easy field upgrading device firmware through any communication port