E-Mon E-PS-E-RTU-N - Manual (Page 15)

Chapter 1 General Information Customized Options
PowerSmart+ Power Quality Meter 15
• Programmable de-bounce time; 1-ms scan time.
• 4 electro-mechanical relay outputs (RO) for alarms and controls,
and for output energy pulses; unlatched, latched and pulse
operations,
failsafe operation for alarm notifications;
programmable pulse width; direct remote relay control through
communications; 1-cycle update time.
Analog Output
The PowerSmart+ PQM analog output (AO) expansion module provides:
• 4 optically isolated analog outputs with an internal power supply;
• Options for 0-20mA, 4-20mA, 0-1mA, and ± 1mA output; 1-cycle
update time.
Additional Communication Port – COM2
A second COM2 communication port can be ordered as an expansion
module. COM2 options available:
• Ethernet 10/100BaseT port; MODBUS/TCP , DNP3/TCP
communications protocols
• PROFIBUS DP port
• RS-232/RS-422/RS-485 port; MODBUS RTU, DNP3
communication protocols;
TOU - Battery-Operated Clock Unit
The TOU module provides:
• A precise clock with battery backup; 6-year clock retention time
• 4 dry contact digital inputs (DI) for monitoring external contacts
and receiving pulses from energy, water and gas meters;
programmable de-bounce time; 1-ms scan time.
1.3 Customized Options
Presentation of data on the front display and via communications can be
customized to best suit the user application.
Device Resolution
A low or high-resolution option can be selected for the presentation of
voltage, current, and power for use in high and low power applications.
See
Measurement Units for more information.
Energy Rollover
The energy rollover limit can be changed in the meter to provide 4-digit to
9-digit energy resolution. See
Device Options in Chapter 5 for details. The
meter display is capable of showing full 9-digit energy counters using two
LED windows.
Display Options
Different display options are available for customization to be used in dark
or non-safe locations, or in places that are hardly accessible for