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plc st -19.6

number type
integers -100, 0, 100, 10_000
real numbers -100.0, 0.0, 100.0, 10_000.0
real with exponents -1.0E-2, -1.0e-2, 0.0e0, 1.0E2
binary numbers 2#111111111, 2#1111_1111, 2#1111_1101_0110_0101
octal numbers 8#123, 8#777, 8#14
hexadecimal numbers 16#FF, 16#ff, 16#9a, 16#01
boolean 0, FALSE, 1, TRUE

examples

Figure 19.6 Literal Number Examples

• Character strings are shown below.

example

‘’ ‘ ‘, ‘a’, ‘$’’, ‘$$’

‘$R$L’, ‘$r$l’,‘$0D$0A’ ‘$P’, ‘$p’ ‘$T’, ‘4t’ ‘this%Tis a test$R$L’

description

a zero length string a single character, a space, or ‘a’, or a single quote, or a dollar

sign $ produces ASCII CR, LF combination -end of line characters form feed, will go to the top of the next page tab a string that results in ‘thisis a test’

Figure 19.7 Character String Data

• Basic time duration values are described below.

plc st -19.7

Time Value
25ms T#25ms, T#25.0ms, TIME#25.0ms, T#-25ms, t#25ms
5.5hours TIME#5.3h, T#5.3h, T#5h_30m, T#5h30m
3days, 5hours, 6min, 36sec TIME#3d5h6m36s, T#3d_5h_6m_36s

Examples

Figure 19.8 Time Duration Examples

• Date values are given below.

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