Chapter 23 Timer instructions
618 Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
Time accuracy refers to the time between the moment the processor enables a
timer instruction and the moment the processor completes the timed interval.
The processor uses the following information from the timer instruction:
• Timer - The timer control address in the timer area of data storage.
• Time Base - Determines how the timer operates.
• Preset - Specifies the value that the timer must reach before the processor
sets the done bit.
• Accumulated value - The number of time increments the instruction has
counted. When enabled, the timer updates this value continually.
configuration
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