beautypg.com

KROHNE CORIMASS MFC 85 Interface EN User Manual

Page 30

background image

30

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

This manual is related to the following products: