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Technical data, Technical data 2.1 foundation fieldbus data – KROHNE H250 M40 FOUNDATION FIELDBUS User Manual

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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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