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The numbers of each instruction that you can use in a logic program depends on the memory usage of the logic capacity (step). It is possible to use the timer or the counter within the range of the logic capacity (step).
The number of instruction steps of the timer or the counter are shown below.
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* Timer Instructions |
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Category
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Instruction Name
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Pro EX
Instruction Notation
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Number of Steps in Instruction
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Number of Operands
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Ladder Symbol
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Timer Instruction
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On Delay Timer
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TON
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2 steps
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1
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Off Delay Timer
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TOF
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2 steps
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1
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Pulse Timer
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TP
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2 steps
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1
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Accumulate On Delay Timer
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TONA
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2 steps
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1
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Accumulate Off Delay Timer
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TOFA
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2 steps
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1
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* Counter Instructions |
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Category
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Instruction Name
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Pro EX
Instruction Notation
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Number of Steps in Instruction
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Number of Operands
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Ladder Symbol
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Counter
Instruction
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Up Counter
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CTU
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2 steps
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1
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CTUP
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2 steps
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1
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Down
Counter
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CTD
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2 steps
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1
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CTDP
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2 steps
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1
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Up/Down
Counter
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CTUD
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2 steps
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1
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CTUDP
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2 steps
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1
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For the information on the numbers of steps of other instructions, click here.
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| NOTE |
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You can check the current logic capacity (step) by selecting [Project (F)] on the menu bar → [Information (I)] → [Project Information (I)] → [Logic Memory] → the [Logic] tab.
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