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Modbus protocol – KROHNE MFC 400 Modbus User Manual

Page 19

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MODBUS PROTOCOL

5

19

MFC 400

www.krohne.com

05/2013 - 4002525102 - AD Modbus MFC 400 R02 en

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

Holding
Register

Name

Action

Type

No. of
registers

Units

Display
Fct. No.

40500

40500

40500

40500

(0x9E34)

Totaliser 1

Low Flow Cut-Off

Value

Float

2

[m³/s] or [kg/s]

C4.1.3

40502

40502

40502

40502

(0x9E36)

Time Constant

0...100 [s]

C4.1.4

40504

40504

40504

40504

(0x9E38)

Set or Read Value

[m³] or [kg]

C4.1.7

40506

40506

40506

40506

(0x9E3A)

Preset

[m³] or [kg]

C4.1.5

40508

40508

40508

40508

(0x9E3C)

Totaliser 2

Low Flow Cut-Off

Value

Float

2

[m³/s] or [kg/s]

C4.2.3

40510

40510

40510

40510

(0x9E3E)

Time Constant

0...100 [s]

C4.2.4

40512

40512

40512

40512

(0x9E40)

Set or Read Value

[m³] or [kg]

C4.2.7

40514

40514

40514

40514

(0x9E42)

Preset

[m³] or [kg]

C4.2.5

40516

40516

40516

40516

(0x9E44)

Totaliser 3

1

Low Flow Cut-Off

Value

Float

2

[m³/s] or [kg/s]

C4.3.3

40518

40518

40518

40518

(0x9E46)

Time Constant

0...100 [s]

C4.3.4

40520

40520

40520

40520

(0x9E48)

Set or Read Value

[m³] or [kg]

C4.3.7

40522

40522

40522

40522

(0x9E4A)

Preset

[m³] or [kg]

C4.3.5

1 Only available in signal converters with "modular carrier"