Emerson P/N MMI-20019808 Manuel D’Utilisation

Device Profile

B.5

Data types

B.6

Codes and integer values

Table B-6  Data types

Data type

Size (bytes)

Description

Range

BOOL

1

True/false represented as 0 = false and 1 = 
true

0, 1

SINT

1

8-bit signed integer

–128 to +127

USINT

1

8-bit unsigned integer

0 to 255

INT

2

16-bit signed integer

–32768 to +32767

UINT

2

16-bit unsigned integer

0 to 65535

DINT

4

32-bit signed integer

–2147483648 to +2147483647

UDINT

4

32-bit unsigned integer

0 to 4294967296

REAL

4

IEEE single-precision floating-point

–3.8E38 to +3.8E38

DREAL

8

IEEE double-precision floating-point

ENGUNITS

1

Enumerated value representing an engi-
neering unit of measure

4096 to 65535

BYTE

1

8-bit bitfield

N/A

SHORT_STRING

Up to 128 bytes

Character array where the first byte is the 
number of characters in the array, and the 
subsequent bytes contain the ASCII charac-
ters. This is not a NULL terminated string.

N/A

Table B-7  Mass flow measurement unit codes

Code

Description

70

Grams per second

71

Grams per minute

72

Grams per hour

73

Kilograms per second

74

Kilograms per minute

75

Kilograms per hour

76

Kilograms per day

77

Metric tons per minute

78

Metric tons per hour

79

Metric tons per day