CHAPTER 6 — Mechanical Input Control Devices Flashcards
________ are the most common control switches used on industrial equipment
Pushbuttons
A ________ is the part of a switch that includes the written description of the switch’s operation
Legend plate
An _______ is the device that is pressed, pulled, or rotated by the individual operating the circuit
Operator
A jumbo mushroom button operator can be operated from any angle and is used in applications that require fast operation such as __________, _________, and _________
Emergency stops, motor stops, valve shutoffs
A _______ is the part of the pushbutton that is activated when the operator is pressed
Contact block
A _________ is a switch with an operator that is rotated to activate the electrical contacts
Selector switch
A _______ is a mechanical input that requires physical contact of the object with the switch actuator
Limit switch
In a ________, the OFF position is normally spring-loaded so that the switch automatically returns to that position when released
Foot switch
Temperature switches are control devices that react to _______ intensity
Heat
A _____ is a control switch that detects the movement of a fluid
Flow switch
A _______ is a switch that detects the height of a liquid or solid inside a tank
Level switch
___________ level switches use a float that moves up and down with the level of the liquid and activates electrical contacts at a set height
Mechanical
Most flow switches use a ______ to detect the movement of a product
Paddle
