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5 COMMUNICATION USING GENERAL-PURPOSE INPUT/OUTPUT
Input Device X of Sequence Program
X00 +
X10 +
X1B +
X1C +
X1D +
X1E +
X20 +
5
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The following describes the input device X viewed from the PLC CPU when the
starting address is .
to X0F +
to X1A +
Can be used as a general-purpose input
Communications Module System Down
to X1F +
Cannot be used, since it is used by the system
to X2F +
Can be used as a general-purpose input
X1B+ , X1C+ , and X1D+ should not be turned ON or OFF by the user since the
system turns them ON or OFF.
X1E+ and X1F+ cannot be used by the user since it is used by the system. If it
used (ON/OFF) by the sequence program, its functions may not be guaranteed as a
communications module.
If the starting address is 60
Signal Name
Not used
Multitask Execution Start
Multitask Execution Stop
, the input device viewed from the PLC CPU is
H
X00+
to X0F+
60 to X6F
X10+
to X1A+
70 to X7F
X1B+
X7B
X1C+
X7C
X1D+
X7D
X1E+
• X1F+
X7E • X7F
X20+
to X2F+
X80 to X8F
MELSEC-Q
Values specified by
Special Variable B@
&H00 to &H0A
&H0B
&H0C
&H0D
&H10 to &H1F
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