110
(b) If an error has occurred in the protocol setting data
(3) When the UINI instruction is being executed
The E71 does not check the protocol setting data when the UINI instruction is being executed.
Predefined protocol ready (X1D) keeps its status even when the instruction is executed.
(4) The operations of X1D and COM.ERR.LED
If an error has occurred in the protocol setting data when the power supply is on or reset, or at the data check
after the data writing, Protocol setting data error (error code: C402
H
) occurs.
Predefined protocol ready (X1D) turns off and the COM.ERR.LED turns on at this time.
Start to write
the protocol setting data.
E71
Predefined protocol ready
(X1D)
Protocol setting data
check area
(address: 5320
H
to 533F
H
)
Checking the protocol
setting data
X1D stays off.
The error details are stored.
Check result error
Writing the protocol
setting data
X1D turns off.
X1D turns on when the
protocol setting data has
been set correctly before
data write.
X1D turns off if no protocol setting data has been
set or an error has occurred in the protocol setting
data before data write.
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