Iai-america XSEL-KET Uživatelský manuál stáhnout pdf (Strana 101)

100

101

INTELLIGENT ACTUATOR

Part 3 Controller Data Structure

3. Variables with “*” (asterisk) (indirect specification)

An “*” (asterisk) is used to specify a variable.

In the following example, the content of variable box 1 will be put in variable box 2. If variable

box 1 contains “1234,” then “1234” will be put in variable box 2.

Command Operand 1 Operand 2

LET 1 1234

Command Operand 1 Operand 2

LET 2 *1

The above use of variables is called “indirect specification.”

An “*” is also used when indirectly specifying a symbol variable (refer to 1-8, “Symbols”).

Command Operand 1 Operand 2

LET ABC 1

LET BCD 2

ADD ABC *BCD

Put 1 in variable ABC.

Put 2 in variable BCD.

Add the content of variable BCD, or 2, to variable ABC.

(The content of variable ABC becomes 3.)

Variable

box 1

1 2 3 4

Put in.

Variable

box 1

Variable

box 2

1 2 3 4

1 2 ... 96 97 98 99 100 101 102 103 104 105 106 ... 435 436

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