Satec System 295 - Page 17

Introduction 9
Table 1-1 Measured Quantities and Sensed Signals
Measurement Mode Usage/output
Parameter Real-
time
Sliding
average
Demand Min/
Max
Display Commu-
nications
Analog
output
Pulse Data
logging
Trigger
setpoint
TOU system parameters
Active tariff
• • •
Active profile
• • •
Pulse counters
8 large scale counters for counting
external pulses or internal events
• • • •
Discrete inputs
8 discrete inputs, free configurable for
sensing external contacts or pulses
• • • •
Timers
4 timers with 1 sec resolution
•
Internal events
kWh pulse (import/export/total)
• •
kvarh pulse (import/export/total)
• •
kVAh pulse
• •
Start demand interval
• •
Start tariff interval
• •
Time/date parameters
Year, month, day of month, day of
week, hour, minute, second
•
Special measurements
Voltage disturbance
•
Phase rotation
• •
Phase angles per phase
•