Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 65)

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YASNAC PCNC PLC Programming Manual Chapter 6: PLC Instructions
(b) Format
(18)ORR (OR Register) RR after operation: RR-
(a) Function
The function executes OR operation between the content in the resister R2 and the content
in register R1 when the ST contact is ON (RR = 1) and stores the result to register R2.
The content in register R1 remains unchanged and status of RR also remains unchanged.
If the ST contact is OFF (RR = 0), the instruction is not executed.
(b) Format
(19)XRR (XOR Register) RR after operation: RR-
(a) Function
The function executes XOR operation between the content in the resister R2 and the
content in register R1 when the ST contact is ON (RR = 1) and stores the result to register
R2.
The content in register R1 remains unchanged and status of RR also remains unchanged.
If the ST contact is OFF (RR = 0), the instruction is not executed.
(b) Format
A B Paradym31 Variable Name
A B Paradym31 Variable Name
A B Paradym31 Variable Name