Which of the following elements does not affect how a ladder logic program is developed?
A) The choice of XIC and XIO instructions for the PLC program.
B) The requirement for current sinking or sourcing inputs and outputs.
C) The contact type and active state of the input field devices.
D) The type, direct or inverse acting, and active state of the output field devices.
B
You might also like to view...
The owner of the parking lot of Problems 4-21 and 4-22 is planning an expansion of her lot to provide adequate demand for the following 10 years. If she has estimated that parking demand for all categories will increase by 3% a year, determine the number of additional parking bays that will be required.
What will be an ideal response?
Iron and copper are especially important in baby pig rations to help prevent ____________________
Fill in the blank(s) with the appropriate word(s).
Technician A says that one heater hose should be hot and the other hose cool if the heater is functioning okay. Technician B says that both hoses should be hot to the touch. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
How do vision systems help with part misalignment or variance in parts?
What will be an ideal response?