902
APPX
Appendix 9 Processing Time
I/O refresh processing time
The I/O refresh processing time for module mounted on main base unit and extension base unit can be calculated by the
following formula.
I/O refresh processing time [s] = ((Number of input refresh points
*1
KM1) + (Number of unit having number of input points
KM2) + KM3
*3
) + ((Number of output refresh points
*2
KM4) + (Number of unit having number of output points KM5) +
KM6
*3
)
*1 The value indicates the numeric value that is obtained through dividing the number of input points by 16.
*2 The value indicates the numeric value that is obtained through dividing the number of output points by 16.
*3 When the number of I/O points is 0, this value is handled as 0.
Condition Constant value
MELSEC iQ-R series module Main base unit Input KM1 0.04
KM2 0.56
KM3 11.2
Output KM4 0.02
KM5 0.94
KM6 6.30
Extension base unit Input KM1 0.04
KM2 0.56
KM3 11.2
Output KM4 0.02
KM5 0.94
KM6 6.30
Q series module RQ extension base unit Input KM1 1.15
KM2 1.33
KM3 24.0
Output KM4 0.03
KM5 1.20
KM6 6.21
Q series extension base unit Input KM1 1.85
KM2 1.98
KM3 39.4
Output KM4 0.02
KM5 1.29
KM6 6.01
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