KROHNE CORIMASS MFC 85 Interface EN User Manual
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6.3
Data Formats
Table 2. Integers
Bits
15-8
High byte
7-0
Low byte
Table 3. Single Precision Floating Point.
Bits
Bit order
MSB - LSB
Mnemonic
Bits 32-24
SEEEEEEE
S/E
Bits 23-16
EMMMMMMM
E/M1
Bits 15-8
MMMMMMMM
M2
Bits 7-0
MMMMMMMM
M3
Table 4. Double precision floating Point.
Bits
Bit order
MSB - LSB
Mnemonic
Bits 63-56
SEEEEEEE
S/E
Bits 55-48
EEEEMMMM
E/M1
Bits 47-40
MMMMMMMM
M2
Bits 39-32
MMMMMMMM
M3
Bits 32-24
MMMMMMMM
M4
Bits 23-16
MMMMMMMM
M5
Bits 15-8
MMMMMMMM
M6
Bits 7-0
MMMMMMMM
M7
S = sign bit
E = exponent
M = mantissa
Table 5. Transmission Order
Transmission
order/type
1st
byte
Last
byte
Bits
see
4.2.1
Bytes
0
Low
Integers
High
Low
Float
M2
M1
S/E
E/M1
Double
M6
M7
M4
M5
M2
M3
S/E
E/M1
6.4
Addresses Allocation
The following table shows the supported data types and their address block allocation
Address Range
Type
0xxxx
Bit (Descrete Outputs)
1xxxx
2xxxx
Float (Word swapped)
3xxxx
Integer (Input Registers)
4xxxx