Iskra MC320 - Communication; Electronic Features; Lcd; Response Time

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TECHNICALDATA
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5
0
 Measuringcentres
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MC320,MC330,MC350&MC350H‐User’sManua
l
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Communication
 RS232 RS485 USB ServiceUSB Profibus M‐Bus
Typeof
connection
Direct Network Direct Direct Network Direct
Max.connection
length
3m 1000m 5m 5m 100‐1200m 1000m
Terminals
3pinconnector USB–Btype
MiniUSB–B
type
DSUB9‐pin
female
3pin
connector
Insulation
InaccordancewithEN61010−1
standard
Notgalvanic
insulated
Galvanicinsulated
Galvanic
insulated
Transfermode
Asynchronous
Protocol
MODBUSRTU/DNP3 Profibus–IEC61158 M‐Bus–EN13757
Transferrate
2.400to115.200bit/s 115.200bit/s 9.6kbit/sto12Mbit/s 300to9600bit/s
Electronicfeatures
LCD
Type GraphicLCD
Size 128x64dots
LCDrefreshing Every200ms
Responsetime
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Input−screen Allcalculationsareaveragedoveranintervalofbetween8to
256periods.Presentintervalis64periods,whichis1.28second
at50Hz.
Input−communicaon
Input−alarm
Memory(MC350&MC350Honly)
Capacity 8Mbbuiltinflash
Divisions RecordersAandB
 Alarmsrecorder
Selectionoflimitvalues Average,minimum,maximumactual
Samplingperiod 1to60min
LED’s
Pulseoutput Red Energyflow
Alarm(MC350,MC350HandMC330only) Red Fulfilledconditionforalarm
RTCbackupsupply
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Supercap Lifespan 2days
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