Chapter4 I/O Number Assignment; Definition Of I/O Number - Mitsubishi MELSEC QS Series User Manual

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I/O NUMBER ASSIGNMENT

CHAPTER4 I/O NUMBER ASSIGNMENT

This chapter explains the I/O number assignment required for the CPU module to
communicate data with I/O modules and/or intelligent function modules.

4.1 Definition of I/O Number

I/O numbers indicate the addresses used in a sequence program to input or output ON/
OFF data between the CPU module and other modules.
(1) Input and output of ON/OFF data
(2) I/O number expressions
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- 1 4.1 Definition of I/O Number
Input (X) is used to input ON/OFF data to the CPU module, and output (Y) is used to
output ON/OFF data from the CPU module.
I/O numbers are expressed as hexadecimal.