Mitsubishi Electric MELSEC L Series User Manual page 71

(2) Data setting method
In Network Configuration Setting of the master station, set the total number of points for the input/output (X/Y) of
the modules connected to the head module, in 16-point units.
In the case of the figure on the previous page, specify "0000" to "003F" for "RX/RY Setting".
● To set an empty slot on the intelligent device station or to change a start I/O number, modify the data in the I/O
● If the number of points will be increased for a system expansion in future, for example, set a large number for "RX/RY
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Assignment setting of the head module.
Setting" in Network Configuration Setting of the master station. Doing so will eliminate the need to change the parameter
setting of the master station at the time of the system expansion. However, increasing the number of points also
increases the processing time.
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CHAPTER 8 CYCLIC TRANSMISSION
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