Hitachi EH-A14EDR, Руководство по применению

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Chapter 3 Programming
3
– 21
3.6.5 Data types
HX-CODESYS supports below data types.
No. Data types Name Size Range
1
BOOL
Boolean 1 0 or 1
2
SINT
Short integer 8 -128 to 127
3
USINT
Unsigned short integer 8 0 to 255
4
BYTE
Bit string of length 8 8 0 to 255 (16#00 to 16#FF)
5
INT
Integer 16 -32,768 to 32,767
6
UINT
Unsigned integer 16 0 to 65,535
7
WORD
Bit string of length 16 16 0 to 65,535 (16#00 to 16#FFFF)
8
DINT
Double integer 32 -2,147,483,648 to 2,147,483,647
9
UDINT
Unsigned double integer 32 0 to 4,294,967,295
10
DWORD
Bit string of length 32 32 0 to 4,294,967,295 (16#00 to 16#FFFFFFFF)
11
REAL
Real numbers 32
±
1.175494351 E-38 to 3.40238
12
TIME
Duration 32
0 to 4,294,967,295 ms
Unit : ”d”: days, “h”: hours, “m”: minutes,
“s”: seconds, “ms”: milliseconds
Ex.
T#100S12ms, t#0.1s
13
LREAL
Long reals 64
±
1.7976931348623... E+308 to
2.2250738585072... E-308
14
STRING
Variable-length single-byte
character string
8

n 1 to 255 char.
15
LINT
Long integer 64 -2
63
～
2
63
-1
16
ULINT
Unsigned long integer 64 0 to 2
64
-1
17
LWORD
Bit string of length 64 64 0 to 2
64
-1
18
DATE
Date 32
year-month-day
Ex.
DATE#1996-05-06
d#1972-03-29
19
DATE_AND_TIME
Date and time of Day 32
year-month-day-hour:minute:second
Ex.
DATE_AND_TIME#1996-05-06-15:36:30
dt#1972-03-29-00:00:00
20
TIME_OF_DAY
Time of day 32
hour:minute:second
Ex.
TIME_OF_DAY#15:36:30.123
tod#00:00:00
21
LTIME
Long duration 64
Unit :“us”: microseconds, “ns”: nanoseconds
Ex.
LTIME#1000d15h23m12s34ms2us44ns
22
WSTRING
Variable-length double-byte
character string
16

n
23
ARRAY
Array
－
Ex.
in variable declaration
test: ARRAY[0..100] OF WORD;
in user program
test[5]:=20;
N o t e
If ARRAY type variables are used, several additional variables are used implicitly in the data memory.