1. On A-B PLC, as soon as the instruction \"TON\" is energized 2. On A-B PLC, on
ID: 2293532 • Letter: 1
Question
1. On A-B PLC, as soon as the instruction "TON" is energized 2. On A-B PLC, on the ..TON" instruction, when the accumulated = Preset . On A-B PLC, on the "TON instruction, when the de-energized. The enable bit-.. the done bit . the timer timing bit- the timer timing bit - The enable bit-the done bit - The enable bit- o , the done bit-0the timer timing bit-a On A-B PLC, when the instruction "TOF, is energized. The enable bit-/...the done bit- the timer timing bit-o On A-B PLC, when the instruction "TOF" is de-energized The enable bit- O , the done bit = / , the timer timing bit = 1- On A-B PLC, when the instruction "CTU is energized and ACCExplanation / Answer
1 when instruction "TON" is energised,it sets to state time on delay.in this state,it counts timebase intervals whenever instruction is true.
2 when instruction "TOF" is energised,it sets to state time off delay.in this state,it counts timebase intervals whenever instruction is false.
3 when instruction "CTU" is energised,it sets to state Count up.in this state,it increments the accumulated value at every time when transition go false to true(means negative edge).and also retains the accumulated value when transition go false.
4 when instruction "CTD" is energised,it sets to state Count Down.in this state,it decrements the accumulated value at every time when transition go false to true(means negative edge).and also retains the accumulated value when transition go false. it is just opposite to CTU.
i hope u will be understand.
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