KROHNE H250 M40 FOUNDATION FIELDBUS - Manual (Page 6)

2
TECHNICAL DATA
6
H250 M40
www.krohne.com 02/2014 - 4001208201 - AD H250 M40 FF R02 en
Technical data
2.1 Foundation Fieldbus data
Description
Type Variable-Area Flowmeter
Physical layer Foundation Fieldbus protocol, compliant to IEC 61158-2 and FISCO model;
galvanically isolated
Communication standard H1
ITK version 5.2
Manufacturer ID 00012C
Device type 0700
Device revision 01
DD revision 01
CFF revision 01
Data blocks
Function blocks 1 x Enhanced Resource Block (RB)
1 x Customer Transducer Block (TB)
2 x Analog Input Block (AI)
1 x Integrator Block (IT)
1 x Proportional Integral Derivate Block (PID)
Execution time Analog Input Block: 20 ms
Integrator Block: 25 ms
PID Block: 35 ms
Electrical connections
Device power supply Bus powered 9...32 VDC - not intrinsically safe
Bus powered 9...24 VDC - intrinsically safe
Basic current 16 mA
Maximum error current 23 mA
Start current after 10 ms lower than basic current
Polarity sensitivity No
Minimum cycle time 250 ms
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