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DEVICE EXPLANATION

9 - 22

9.2 Internal User Devices

9.2.8 Timer (T)

(b) Accuracy

Measured value at END instruction is added to the current value when the

OUT T instruction is executed.

If the timer coil is OFF when the OUT T instruction is executed, the current value

is not updated.

The timer response accuracy from when reading input (X), until when outputing it

is + (2-scan time + timer time limit setting).

Diagram 9.22 Timer accuracy (For 10ms)

X100

HK8

23 23 23

OUT T0 OUT T0 OUT T0 OUT T0 OUT T0 OUT T0

OFF

211 121 12123 23 23

[Ladder example]

[Current value update timing]

Program

X100 external input

CPU module's X100

T0 coil

T0 contact

10ms measurement

Measured value at

END instruction

T0 current value

END

processing

0+2=2 2+3=5 5+2=7 7+3=10

Timer accuracy

to (1 scan time)

(1 scan time + timer time limit setting)

Input reading timing

(+1 scan)

END

processing

END

processing

END

processing

END

processing

END

processing

1 2 ... 173 174 175 176 177 178 179 180 181 182 183 ... 233 234

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