KROHNE MFC 400 Modbus - Manual (Page 18)

5
MODBUS PROTOCOL
18
MFC 400
www.krohne.com 05/2013 - 4002525102 - AD Modbus MFC 400 R02 en
Modbus Function Code "Read Input Registers" (0x04)
Input
Register Name Type No. of
registers Units
32000 32000 32000 32000
(0x7D00)
Totaliser 1 value (double precision) Double 4 [m³] or [kg]
32004 32004 32004 32004
(0x7D04)
Totaliser 2 value (double precision) Double 4
32008 32008 32008 32008
(0x7D08)
Totaliser 3 value (double precision) 1 Double 4
32100 32100 32100 32100
(0x7D64)
Totaliser 1 value (single precision) Float 2
32102 32102 32102 32102
(0x7D66)
Totaliser 2 value (single precision) Float 2
32104 32104 32104 32104
(0x7D68)
Totaliser 3 value (single precision) 1 Float 2
1 Only available in signal converters with "modular carrier"
Modbus Function Codes "Read Holding Registers" (0x03) and "Write Multiple Registers" (0x10)
Holding
Register Name Action Type No. of
registers Values Display
Fct. No.
40000 40000 40000 40000
(0x9C40)
Totaliser 1 Function Byte 1 0 = Off
1 = Absolute total
2 = Increment
3 = Decrement
C4.1.1
40001 40001 40001 40001
(0x9C41)
Measurement Byte 1 1 = Volume Flow
2 = Mass Flow
14 = Conc. 1 Mass Flow 2
15 = Conc. 1 Volume Flow 2
16 = Conc. 2 Mass Flow 2
17 = Conc. 2 Volume Flow 2
C4.1.2
40002 40002 40002 40002
(0x9C42)
Totaliser 2 Function Byte 1 0 = Off
1 = Absolute total
2 = Increment
3 = Decrement
C4.2.1
40003 40003 40003 40003
(0x9C43)
Measurement Byte 1 1 = Volume Flow
2 = Mass Flow
14 = Conc. 1 Mass Flow 2
15 = Conc. 1 Volume Flow 2
16 = Conc. 2 Mass Flow 2
17 = Conc. 2 Volume Flow 2
C4.2.2
40004 40004 40004 40004
(0x9C44)
Totaliser 3
1
Function Byte 1 0 = Off
1 = Absolute total
2 = Increment
3 = Decrement
C4.3.1
40005 40005 40005 40005
(0x9C45)
Measurement Byte 1 1 = Volume Flow
2 = Mass Flow
14 = Conc. 1 Mass Flow 2
15 = Conc. 1 Volume Flow 2
16 = Conc. 2 Mass Flow 2
17 = Conc. 2 Volume Flow 2
C4.3.2
1 Only available in signal converters with "modular carrier"
2 Only available with option "concentration measurement"