IAI ssel

145
Part 2 Programs
 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)  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).