BASICDESCRIPTIONANDOPERATION
Measuringcentres
MC320,MC330,MC350&MC350H ‐ User’sManua
11
NetworkRecorderMC350&MC350H
Theinstrumentisusedformonitoringandmeasuringelectricquantitiesofelectricalpowersystem.Itincludes
allfunctionalityofMC330andasadditionithas8Mbofflashmemorybuiltin.Soit'sadditionalfunctionalityis
thatitmeasuresandstoresselectedmeasuredquantitiesandalarmsintorecorder,wheretheyareavailablefor
furtheranalysis.Attariffclocksetting,fourseasonsandfourdaygroupsareavailable.Additionally,20placesare
availableforsettingholidays.Asanenergycounteritcanrecordenergyinallfourquadrantsinfourtariffs.The
metercouldbeprovidedwithM‐Buscommunicationmodule.
Typedifferences
Differenttypesdifferonfunctionalityandequipmentasshowninthefollowingtable.
Differencesinhardware
Feature MC320 MC330 MC350 MC350H
GraphicalLCDdisplay
● ● ● ●
BacklightofLCDdisplay
● ● ● ●
LEDindicator(pulse/alarm) ●/× ●/● ●/● ●/●
Controlkeysonfrontpanel(5)
● ● ● ●
CommunicationinterfaceRS232orRS485orUSB
○ ○ ● ●
Module1 (2S0/2RO) ○/× ○/○ ●/○ ●/○
Module2 (2TI/2DI) ○/× ○/○ ●/○ ●/○
Automaticvoltagerange
○ ○ ● ●
Automaticcurrentrange
● ● ● ●
ACoruniversalsupply
●/○ ●/○ ○/● ○/●
Realtimeclock(RTC)withtariffclock
× ×
● ●
8MBflashmemoryforrecorderandalarm
× ×
● ●
‐serial ‐option ‐notsupported
Softwarefunctions
Functions MC320 MC330 MC350 MC350H
Basic
Setupwizard
● ● ● ●
Wrongconnectionwarning
● ● ● ●
Customscreens(3) ×
● ● ●
Demonstrationscreencycling
● ● ● ●
Programmablerefreshtime
● ● ● ●
Additional
MODBUSandDNP3protocol
● ● ● ●
MDcalculation(TF) ×
● ● ●
M‐Busprotocol × ×
● ●
Profibusprotocol × ×
● ●
Programmablealarms(16) ×
● ● ●
‐serial ‐notsupported