1. Name the 3 forms of PLC counter instructions, and explain the basic operation of each 2. State 4...

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1.	Name the 3 forms of PLC counter instructions, and explain the basic operation of each 2.	State 4 pieces of information usually associated with A PLC counter instruction. 4. When is the output of a PLC counter energized?

David · Accepted Answer

1. Name the 3 forms of PLC counter instructions, and explain the basic operation of each
The up counter is an output instruction whose function is to increment its accumulated value on 
false to true transitions of its instructions.
The down counter instruction will countdown or decrement by 1 each time the counted event 
occurs.
2. State 4 pieces of information usually associated with A PLC counter instruction.
a. Counter type
b. counter address
c. preset value
d. accumulated count
      4. When is the output of a PLC counter energized? 
         Output of a PLC counter energized each time the counted event occurs. 
    5. When does the PLC counter instruction increment or decrement its current count?

1. Name the 3 forms of PLC counter instructions, and explain the basic operation of each 2. State 4 pieces of information usually associated with A PLC counter instruction. 4. When is the output of a...

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