AB Rockwell 1769-L32CA controller module in stock

AB Rockwell 1769-L32CA controller module in stock

Technical data of product parameters

When rung 1769-L32CA conditions change from false-to-true, the FFL enable bit (EN) is
set. This loads the contents of the source, N7:10, into the stack element
indicated by the position number, 9. The position value then increments.
The FFL instruction loads an element at each false-to-true transition of the
rung, until the stack is filled (34 elements). The processor then sets the done
bit (DN), inhibiting further loading.When rung conditions change from false-to-true, the LFU enable bit (EU) is
set. This unloads data from the last element loaded into the stack (at the
position value minus 1), placing it in the destination, N7:11. The position value 1769-L32CA
then decrements.
The LFU instruction unloads one element at each false-to-true transition of
the rung, until the stack is empty. The processor then sets the empty bit (EM).This input instruction is the target of JMP instructions having the same label
number. You must program this instruction as the first instruction of a rung.
This instruction has no control bits.
You can program multiple jumps to the same label by assigning the same label
number to multiple JMP instructions. However, label numbers must be
unique. 1769-L32CA
Use a subroutine to store recurring sections of program logic that must be
executed from several points within your application program. A subroutine
saves memory because you program it only once.
Update critical I/O within subroutines using immediate input and/or output
instructions (IIM, IOM), especially if your application calls for nested or
relatively long subroutines. Otherwise, the controller does not update I/O
until it reaches the end of the main program (after executing all subroutines).The target subroutine is identified by the file number that you entered in the
JSR instruction. This instruction serves as a label or identifier for a program
file as a regular subroutine file.
This instruction has no control bits. It is always evaluated as true. The
instruction must be programmed as the first instruction of the first rung of a
subroutine. Use of this instruction is optional; however, we recommend using
it for clarity

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