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Modbus protocol – KROHNE MFC 300 Modbus User Manual

Page 18

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6

MODBUS PROTOCOL

18

MFC 300

www.krohne.com

11/2009 - 4000744801 - AD Modbus MFC 300 R01 en

6.10.2 Manual Density Calibration

1

Write DCF1 value

Write DCF1 value

Write DCF1 value

Write DCF1 value
Write Holding Register 44001 type byte
(Modbus Fct. 0x10)

2

Write DCF2 value

Write DCF2 value

Write DCF2 value

Write DCF2 value
Write Holding Register 43004 type float
(Modbus Fct. 0x10)

3

Write DCF3 value

Write DCF3 value

Write DCF3 value

Write DCF3 value
Write Holding Register 43006 type float
(Modbus Fct. 0x10)

4

Write DCF4 value

Write DCF4 value

Write DCF4 value

Write DCF4 value
Write Holding Register 43008 type float
(Modbus Fct. 0x10)

4a

All DCF Values have to be used from Calibration
Certificate!

5

Write DCF5 value

Write DCF5 value

Write DCF5 value

Write DCF5 value
Write Holding Register 44002 type byte
(Modbus Fct. 0x10)

6

Write DCF6 value

Write DCF6 value

Write DCF6 value

Write DCF6 value
Write Holding Register 43010 type float
(Modbus Fct. 0x10)

7

Write DCF7 value

Write DCF7 value

Write DCF7 value

Write DCF7 value
Write Holding Register 43012 type float
(Modbus Fct. 0x10)

8

Write DCF8 value

Write DCF8 value

Write DCF8 value

Write DCF8 value
Write Holding Register 43014 type float
(Modbus Fct. 0x10)

9

Write Calibration State = 0

Write Calibration State = 0

Write Calibration State = 0

Write Calibration State = 0
Write Holding Register 44000 type byte
(Modbus Fct. 0x10)

10

Activate new values

Activate new values

Activate new values

Activate new values
Set single coil 1001 to 1 (Modbus Fct. 0x05)

10a

This results in a warm start of the device.
Will take maximum 5s.

.book Page 18 Tuesday, November 24, 2009 1:48 PM