E-Mon E-PS-S-HV-RTU - Manual (Page 11)

Chapter 1 Introduction
PowerSmart Socket Power Quality Meter 11
• 8 digital counters for counting pulses from external sources
and internal events
• 4 programmable timers from 1 cycle to 24 hours for periodic
recording and triggering operations on a time basis.
Time and Clock
• High-accuracy real-time clock with a lithium backup battery
• 1-ms satellite-synchronized clock option (IRIG-B time-code
input)
• SNTP clock synchronization option
• 1PPM or 1PPS clock synchronization option via a fast digital
input
• One-time programmable or calendar scheduled daylight saving
time (DST) switch dates; configurable DST start and end time
Extended Security
• 3-level password security for protecting meter setups and
accumulated data from unauthorized changes
Display
• Easy to read high contrast graphical 4-inch 320x240 pixel (1/4
VGA) LCD display with backlight
• Multi-page data display with auto-scroll; time, billing,
instrumentation and service data
• Menu-driven setups
Standard Digital I/O
• Two embedded fast digital inputs with 1 ms scan time
• One KYZ relay output
Expansion I/O slot
• 8DI I/O module with 8 opto-isolated digital inputs
• 6DO I/O module with 6 relay outputs – two electromechanical
EMR Form A relays and four solid state SSR Form C relays
• 4AO analog output module with 0-1mA, +/-1mA, 0-20mA and
4-20mA current output options
Memory
• 16 Mbyte flash memory for long-term billing, event, waveform
and data recording
Standard Communications
• Front ANSI C12.18 optical serial communication port (Modbus
RTU/ASCII and DNP3 protocols)
• Embedded serial RS-485 port (Modbus RTU/ASCII and DNP3
protocols)
• Full speed USB 1.1 port (Modbus RTU protocol)