MSCDN – MP2A Description of Operation
2) Display is different when fewer output relays are fitted
Note that meters not designated as primary or secondary values are usually displayed as multiples of
nominal
i.e. x In, 1 Amp or 5 Amp.
5.7.1 Hidden Instruments
At the “INSRUMENTS MODE” title screen, pressing ENTER and DOWN simultaneously reveals some
additional metering for calibration purposes. The reference channels as well as DC offsets may be
displayed along with the RMS values in raw ADC counts. The relationship between current and ADC
counts is 1.0 xIn = 600 counts.
5.8 Fault Data Mode
In “FAULT DATA MODE”, the time and date of relay operations are recorded together with a record of the
LED flag states.
©2010 Siemens Protection Devices Limited
Chapter 1 Page 11 of 13