IAI America ASEL User Manual

Page 156

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Part 2 Programs

Chapter 3 Explanation of Commands

134

Part 2 Programs

z

PRED (Read current position)

Command, declaration

Extension condition

(LD, A, O, AB, OB)

Input condition

(I/O, flag)

Command,

declaration

Operand 1

Operand 2

Output

(Output, flag)

Optional

Optional

PRED

Axis

pattern

Position

number

CP

[Function] Read the current position of the axis specified in operand 1 to the position specified in

operand 2.

[Example 1]

PRED

11

10

Read the current positions of axes 1 and 2 to position No.

10.

[Example 2]

The axis pattern can be specified indirectly using a variable.

When the command in [Example 1] is rephrased based on indirect specification using

a variable:

11 (binary) o 3 (decimal)

LET

1

3

Assign 3 to variable 1.

PRED

*1

10

[Example 3]

LET

1

10

Assign 10 to variable 1.

PRED

11

*1

Read the current positions of axes 1 and 2 to the content of

variable 1 (position 10).

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