What is the meaning of Mitsubishi PLC’s K4Y0?

~ arcozhang

Mitsubishi PLC,
K1Y0=Y0 Y1 Y2 Y3
K2Y0=Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
K3Y0=Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y10 Y11 Y12 Y13
K4Y0=Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y10 Y11 Y12 Y13 Y14 Y15 Y16 Y17
Because the input and output of Mitsubishi are octal, there is no 8 or 9.
The auxiliary relay M has 8 and 9, such as K4M0=M0 M1 M2 M3 M4 M5 M6 M7 M8 M9 M10 M11 M12 M13 M14 M15

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