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plc quiz 4
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Questions in this quiz (18)
1When a programming a NC Stop, you must use:
- AExamine on
- BExamine off
- Cout energized
2When programming a NO Stop button, you must use:
- AExamine on
- BExamine off
- CThe branch open instruction
- Doutput energized
3When programming a NO start button, you must use:
- AXIC
- BOTE
- CXIO
4When using a force function:
- AThe program must be in edit mode
- BYou must know exactly what you're doing
- CYou can't force on an internal bit address
5Off-line programming is when a program is developed remotely from a PLC
- ATrue
- BFalse
6A "dummy" relay is:
- AA virtual form of relay
- BIs addressed as B3:0
- CIs more energy efficient than a solid-state relay
- DAll the above
7In a PLC program how many outputs are allowed in a single rung?
- A1
- B2
- C3
- D10
8In a PLC programming how many inputs are allowed in a single rung
- A1
- B2
- C3
- D10
9A PLC read a program from:
- ALeft to right only
- BTop to bottom only
- CLeft to right and top
- DLeft to right top to bottom
10A MCR instruction times the output to come on
- ATrue
- BFalse
11nesting:
- AIs not allowed on most PLCs
- BIs a branch within a branch
- CWill cause error message on most PLCs
- DAll of the above
12When creating a hole in contact that belongs to a load how would this be programmed
- AOutput instruction output address
- BOutput instruction input address
- CInput instruction input address
- Dinput instruction output address
13Memory size does not limit the number of wrongs a program can have
- ATrue
- BFalse
14Jump and label instructions, always false instructions, temporary end instruction and one-shot instructions are used:
- AFor programing logistics
- BFor debugging in troubleshooting your program
- CSafety E-stop device
- DNone of the above
15Hardwiring a load in a fixed PLC, one side of the load is wired to the input address terminal and the other side is wired to a Live Wire
- ATrue
- BFalse
16Vertical contacts are not allowed in the PLC program
- ATrue
- BFalse
17And NO stop buttons are no longer use because
- AThey do not properly control the circuit
- BIt's a safety hazard
- CYou can't use a MCR with this type of button
18Using virtual output holding contact they must be hardwired to the PLC
- ATrue
- BFalse
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- Description
- Quiz on plc quiz 4, created by Regino Callan on 29/04/2021.
- Author
- Regino Callan
- Language
- English
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