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DEVICE EXPLANATION

9.2 Internal User Devices

9.2.9 Counter (C)

9 - 25

Device Explanation

CPU Module Processing

Time

Procedure for Writing

Program to CPU ModuleAppendicesIndex

(b) Current value update (count value + 1)

The current value update (count value + 1) is performed at the leading edge (OFF

to ON) of the OUT C instruction.

The current value is not updated in the following OUT C instruction statuses:

OFF, ON to ON, ON to OFF

Diagram 9.25 Current value update timing

X100

K10

X100

OFF

END END ENDOUT C0 OUT C0 OUT C0

[Ladder example]

[Current value update timing]

Sequence

program

Coil C0

Current value update Current value update

1 2 ... 176 177 178 179 180 181 182 183 184 185 186 ... 233 234

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