ENI631 - WEEK 7 QUIZ

Which of the implementation sequence is used to check whether the result obtained from the PLC system is accurate ?

• Task analysis

• Commissioning

• Hardware configuration

• Software configuration

If the Pushbutton is Normally open (NO) we use

• Make contact

• Break contact

• switch contact

If the Pushbutton is Normally Closed (NC) we use

• Make contact

• Break contact

• switch contact

The figure has an output Q1 connected back in parallel with the input I1 , this concept is called as

• latching

• commissioning

• task analysis

• software configuration

In which step of the implementation sequence, the input and output variables are defined

• task analysis

• software configuration

• hardware configuration

• commisioning

In Hardware interlock, What does A1 and A2 stand for ?

• coil terminals

• Open contacts

• close contacts

• common contacts

In Hardware interlock, What does 1 and 3 stand for ?

• coil terminals

• Open contacts

• close contacts

• common contacts

In Hardware interlock, What does 2 and 4 stand for ?

• coil terminals

• Open contacts

• close contacts

• common contacts

Hardware interlock is called as

• relay

• latching

• commissioning

In PLC, for a safety operation of a circuit it is always preferred to use ___________ type of Stop Pushbutton

• Normally Open

• Normally Closed

• Doesn't matter