OMRON PLC常用数据类型表(个人整理)

变量类型符号位数取值范围常数举例

位Bool11,0TRUE FALSE或

1，0

字节Byte816#00~16#FF16#12,16#AB

字Word1616#0000~16#FFFF 16#ABCD,16#000

1

双字DWord3216#00000000~16#FFFFFFFF16#02468ACE 字符Char816#00~16#FF"A" "T" "@"

有符号字节Sint8-128~127123,-123整数Int16-32768~32767123,-123双整数DInt32-2147483648~2147483647123,-123

无符号字节Usint80~255123

无符号整数Uint160~65535123

无符号双整数Udint320~4294967295123

浮点数（实数）Real32正负1.175495*10的-38方~正负

3.402823*10的38次方

12.45,-3.4,-

1.2E+12,3.4E-3

双精度浮点数LReal64正负2.2250738585072020*10的-

308方~正负

1.7976931348623157*10的308次

方

12345.123456789

, -1.2E+40

时间Time32T#-

24d20h31m23s648ms~T#+24d20

h31m23s647ms

T#1d_2h_15m_30

s_45ms