HEIDENHAIN TNC 430 PA - Page 976

December 2001 Commands 7 – 127
Initial state:
Marker M500 = 0
Input I0 = 0
Marker M501 = 1
Input I1 = 1
Output O12 = ?
Function STL Accumulator contents [bit] Operand contents [bit]
31..15 ..................... 7 .................. 0
Load marker M500
into the logic
accumulator.
L M500 x ..... x x x x x x x x 0 xxxxxxx 0
Gate logic
accumulator with
marker M501.
O M501 x ..... x x x x x x x x 1 xxxxxxx 1
Opening
parenthesis: Buffer
the accumulator
content onto the
program stack.
A[ x ..... x x x x x x x x 1 x x x x x x x
Load the state of
input I0 into the logic
accumulator.
L I0 x ..... x x x x x x x x 0 x x x x x x x 0
Gate the logic
accumulator with the
state of input I1.
O I1 x ..... x x x x x x x x 1 x x x x x x x 1
Closing parenthesis:
Gate the
accumulator content
with the program
stack (A[, O[...).
] x ..... x x x x x x x x 1 x x x x x x x
Assign the result of
the total operation to
output O12.
= O12 x ..... x x x x x x x x 1 x x x x x x x 1