Yaskawa YASNAC PC NC PLC Programming Manual - Manual (Page 46)

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YASNAC PCNC PLC Programming Manual Chapter 6: PLC Instructions
(a) Function
Executes OR between the contact and RR and sets the result to RR (logical sum).
(b) Format
(c) Example
(6) OR-NOT RR after operation: RR
Ù
(a) Function
Executes OR between the inverted contact and RR and sets the result to RR (inverted
logical product).
(b) Format
(c) Example