Electro-Fluid Power Mod 2. Basic Control Devices

The push button switch consists of two basic parts, the contacts and the _____________ (Page 36)

• Mounting Device

• Selecting Device

• Operator

• Operating Device

The four major components of a ladder diagram are the power supply, conductors, ______________________

• Actuators and valves

• AC supply and connections

• Input and Output devices

• Ladder rails and L1, L2 lines

The typical indicator light condition for an abnormal condition is ______ light on (Page 62)

• Red

• Green

• Yellow

• Amber

Push button switches are used in control systems ___________________________.

• To maintain switch operators

• To manually send input signals to the controller

• As automated sensors

• For safety devices

The best method of reading a ladder diagram is to start at ___________ (Page 57)

• The upper right of the first rung and move left

• The upper left of the first rung and move right

• The lower left of the last rung and move right

• Any point in the diagram

The ____________ is used to show devices such as valves, motors, and cylinders

• Power diagram

• Ladder diagram

• Power supply

• Logic diagram

The ___________ is used to describe electrical circuits

• Power diagram

• Ladder diagram

• Power supply

• Logic diagram

Indicator lights are most often located on the ___________ (Page 59)

• Control device

• Power Device

• Actuating device

• Operator station

The mushroom head operator is reserved for functions such as ___________

• Cycle pause

• Emergency stop

• Cycle start

• Cycle job

There or more positions of a switch can be accomplished using the ________________

• Selector switch operator

• Mushroom head push button

• knife switch operator

• Unguarded type operator