Omron CS1G/H-CPUxxH Instructions Manual page 647

Table Data Processing Instructions
3-17-2 PUSH ONTO STACK: PUSH(632)
Purpose
Ladder Symbol
Variations
Applicable Program Areas
Operands
626
&10
Last word
in stack
Stack
pointer
Writes one word of data to the specified stack.
Variations Executed Each Cycle for ON Condition
Executed Once for Upward Differentiation
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification
Block program areas
OK
TB through TB+3: Stack control words
The first four words of the stack contain the PLC memory address of the last
word in the stack and the stack pointer (the PLC memory address of the next
word to be overwritten by PUSH(632)).
PC memory address
PC memory address
of last word in stack
Stack pointer
PUSH(632)
TB
TB: First stack address
S
S: Source word
Step program areas Subroutines
OK OK
Section 3-17
10 words
PUSH(632)
@PUSH(632)
Not supported.
Interrupt tasks
OK