ComAp MainsPro - Page 20

MainsPro, SW version 1.4, ©ComAp – January 2013
MainsPro Installation and Operation Guide
1-18
Binary switches status screen:
- List of the assigned binary switches.
Functions that are configured are displayed in the
appropriate order.
Its status is displayed in brackets.
Relay outputs 1-4 status screen:
- Status of the first 4 MainsPro relay outputs.
Name in parenthesis marks the function assigned
by the setpoints in group f(RE).
Relay output 5 status screen:
- Status of the 5th MainsPro relay output.
Name in parenthesis marks the function assigned
by the setpoints in group f(RE).
Trip counters and indication screen:
- Last Trip: indication of the latest event, which
caused trip. See the following chapter for trip
messages explanation.
- TripCnt: total counter of MainsPro trips since the
MainsPro unit counters reset
- U: counter of overvoltage and undervoltage -related
trips
- f: counter of overfrequency and underfrequency -
related trips
- LOM: counter of Loss-of-Mains - related trips (Vector
shift and ROCOF)
- Otr: counter of trips with other reason then the
above mentioned: External trip, voltage asymmetry,
phase sequence or inverse phase polarity
Time measurement screen:
- Operation Time: time since MainsPro was powered
up*
- Last Trip Time: time of the latest trip since MainsPro
was powered-up
Please note that the time information on the MainsPro
unit is not measured by a calibrated RTC device and
may serve for orientation purposes only. Find more in
Technical data chapter.
Trip history screen
- List of last five trips - contains reason of the trip and time
since the unit was powered up
*For case of power cut off, the time stamp is stored and after the unit is powered up again, the timer will start from
the from following second after the last stored one.