PEGASYS UltraLite	PEGASYS Lite	PEGASYS Workstation Edition	PEGASYS Network Edition
Power Quality Analysis
Waveform overlay to analyze phase-to-phase relationships	•	•	•	•
Event correlation	•	•	•	•
ITI (CBEMA) plots	•	•	•	•
THD, K-factor, crest factor, vector diagrams	•	•	•	•
Information Management
Graphic user interface: default & custom displays with animation	•	•	•	•
Report generation: energy & demand, load profile, power quality			•	•
Multi-site data collection, aggregation, & real-time display	•	•	•	•
Continuous or scheduled retrieval of metered data	•	•	•	•
Company-wide data access through networked PCs				•
ODBC-compliant database for historical data logging	•	•	•	•
DDE interface for data exchange with other applications			•	•
Remote meter configuration & firmware upgrades	•	•	•	•
Operating system & security	95/98, NT	95/98, NT	NT	NT
Maximum number of meters	5	12	Unlimited	Unlimited
Communications & Integration
Serial links: RS-232, RS-485, infrared/optical	•	•	•	•
Modem links: telephone, cellular, radio	•	•	•	•
Ethernet over TCP/IP	•	•	•	•
Modbus RTU over Ethernet (Master) & RS-232 (Master/Slave)			•	•
Advanced Processing
"Virtual" meters (VIPs) customized for any set of functions	•	•	•	•
Math, logic, trig, log, linearization formulas	•	•	•	•
Automated Alarming & Control
Alarm notification via pager & email (using external application)	•	•	•	•
Automatic dispatch of alarm/control signals			•	•
Alarm/control based on conditions from many meters or sites			•	•
Pop-up alarm indicators in graphical displays	•	•	•	•
Options for manual control	•	•	•	•
Revenue Metering
Real-time pricing & interruptible service support	•	•	•	•
Sub-metering	•	•	•	•
	PEGASYS UltraLite	PEGASYS Lite	PEGASYS Workstation Edition	PEGASYS Network Edition