TECHNICALDATA
5
Measuringcentres
MC320,MC330,MC350&MC350H‐User’sManua
Communication
RS232 RS485 USB ServiceUSB Profibus M‐Bus
Typeof
connection
Direct Network Direct Direct Network Direct
Max.connection
length
3m 1000m 5m 5m 100‐1200m 1000m
Terminals
3pinconnector USB–Btype
MiniUSB–B
type
DSUB9‐pin
female
3pin
connector
Insulation
InaccordancewithEN61010−1
standard
Notgalvanic
insulated
Galvanicinsulated
Galvanic
insulated
Transfermode
Asynchronous
Protocol
MODBUSRTU/DNP3 Profibus–IEC61158 M‐Bus–EN13757
Transferrate
2.400to115.200bit/s 115.200bit/s 9.6kbit/sto12Mbit/s 300to9600bit/s
Electronicfeatures
LCD
Type GraphicLCD
Size 128x64dots
LCDrefreshing Every200ms
Responsetime
Input−screen Allcalculationsareaveragedoveranintervalofbetween8to
256periods.Presentintervalis64periods,whichis1.28second
at50Hz.
Input−communicaon
Input−alarm
Memory(MC350&MC350Honly)
Capacity 8Mbbuiltinflash
Divisions RecordersAandB
Alarmsrecorder
Selectionoflimitvalues Average,minimum,maximumactual
Samplingperiod 1to60min
LED’s
Pulseoutput Red Energyflow
Alarm(MC350,MC350HandMC330only) Red Fulfilledconditionforalarm
RTCbackupsupply
Supercap Lifespan 2days