IN1 ... INn : BOOL Boolean inputs
Q : DINT Number of inputs being TRUE
The block accepts a non-fixed number of inputs.
Q := QOR (IN1, IN2);
Q := QOR (IN1, IN2, IN3, IN4, IN5, IN6);
(* the block may have up to 16 inputs *)
(* the block may have up to 16 inputs *)
Op1: LD"Ladder diagram" Ladder logic is a method of drawing electrical logic schematics. It is now a very popular graphical language for programming Programmable Logic Controllers (PLCs). It was originally invented to describe logic made from relays. The name is based on the observation that programs in this language resemble ladders, with two vertical "rails" and a series of horizontal "rungs" between them IN1
QOR IN2, IN3
ST"Structured text" A high-level language that is block structured and syntactically resembles Pascal Q
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