The output symbol on a PLC ladder logic rung is active if
A) the link before the output symbol is active.
B) if a majority of the links on the rung are active.
C) if all the input logic symbols on the rung have +24 volts applied to their input pins.
D) if the output field device associated with that output symbol is off.
E) None of the above.
A
You might also like to view...
What determines the type of breeding system used in a livestock operation?
What will be an ideal response?
You are a member of a group composed of a production supervisor, an executive secretary,
a plant manager, and the firm's chief legal council. The group has an unspecified time horizon and came into being on its own. What kind of group is this?
a. Functional b. Informal c. Formal d. Task e. Artificial
One mile is equal to 1,728 yards.
Answer the following statement true (T) or false (F)
Why is it important for younger cattle to have more protein in the ration than older cattle when being
fattened?
What will be an ideal response?