KROHNE MFC 400 FOUNDATION FIELDBUS - Manual (Page 4)

2
TECHNICAL DATA
4
MFC 400
www.krohne.com 11/2013 - 4003221901 - AD MFC 400 FF R01 en
2.1 Foundation Fieldbus data
Description
Type Ultrasonic flowmeter
Physical layer Foundation Fieldbus protocol that agrees with IEC 61158-2 and FISCO model;
galvanically isolated
Communication standard H1
ITK version 6.1
NAMUR 107 Supported within FF field diagnosis (FF-912)
Data blocks
Function blocks 1 x Enhanced Resource Block (RB)
1 x Customer Flow Transducer Block (FLOWTB)
1 x Customer Concentration Transducer Block (CONCTB)
1 x Customer Diagnose Transducer Block (DIAGTB)
6 x Analog Input Block (AI)
2 x Integrator Block (IT)
1 x Proportional Integral Derivate Block (PID)
Execution time Analog Input Block: 10 ms
Integrator Block: 15 ms
Proportional Integral Derivate Block: 25 ms
Electrical connections
Device power supply Not intrinsically safe: 9...32 VDC
Intrinsically safe: 9...24 VDC
Basic current 10.5 mA
Maximum error current 16.5 mA (= basic current + error current = 10.5 mA + 6 mA)
Start current after 10 ms 14 mA
Polarity sensitivity No
Minimum cycle time 250 ms