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Modbus protocol, 8 process input parameters – KROHNE UFC 400 Modbus EN User Manual

Page 20

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5

MODBUS PROTOCOL

20

UFC 400

www.krohne.com

05/2013 - 4002744801 - AD Modbus UFC 400 R01 en

5.8.8 Process Input Parameters

Modbus Function Codes "Read Holding Registers" (0x03) and "Write Multiple Registers" (0x10)

Holding
Register

Name

Type

No. of
registers

Units

Display
Fct. No.

41000

41000

41000

41000

(0xA028)

Flow Direction

Byte

1

0 = Normal

1 = Reverse

C1.3.2

41001

41001

41001

41001

(0xA029)

Linearization

Byte

1

0 = Off

1 = On

C1.7.1

41002

41002

41002

41002

(0xA02A)

Diagnostics 1 Selector

Integer

1

0 = Off

415 = Velocity Of Sound – Path 1

416 = Velocity Of Sound – Path 2

417 = Velocity Of Sound – Path 3

421 = Flow Speed – Path 1

422 = Flow Speed – Path 2

423 = Flow Speed – Path 3

C1.10.1

41003

41003

41003

41003

(0xA02B)

Diagnostics 2 Selector

Integer

1

0 = Off

402 = Gain – Path 1

403 = Gain – Path 2

404 = Gain – Path 3

409 = Signal Noise Ratio – Path 1

410 = Signal Noise Ratio – Path 2

411 = Signal Noise Ratio – Path 3

C1.10.2

41004

41004

41004

41004

(0xA02C)

Plausibility Counter Decrease

Integer

1

1...99

C1.4.2

41005

41005

41005

41005

(0xA02D)

Plausibility Counter Limit

Integer

1

0...999

C1.4.3

41502

41502

41502

41502

(0xA21E)

GK

Float

2

-

C1.2.2

41504

41504

41504

41504

(0xA220)

Limitation Min

Float

2

[m/s]

C1.3.1

41506

41506

41506

41506

(0xA222)

Limitation Max

Float

2

[m/s]

C1.3.1

41508

41508

41508

41508

(0xA224)

Time Constant

Float

2

[s]

C1.3.3

41510

41510

41510

41510

(0xA226)

Low Flow Cutoff Threshold

Float

2

[m/s]

C1.3.4

41512

41512

41512

41512

(0xA228)

Low Flow Cutoff Hysterese

Float

2

[m/s]

C1.3.4

41514

41514

41514

41514

(0xA22A)

Plausibility Error Limit

Float

2

[%]

C1.4.1

41516

41516

41516

41516

(0xA22C)

Dynamic Viscosity

Float

2

[kg/ms]

C1.7.2

41518

41518

41518

41518

(0xA22E)

Pipe Temperature

Float

2

[K]

C1.8

41520

41520

41520

41520

(0xA230)

Density

Float

2

[kg/m³]

C1.9