Mitsubishi MELSEC Q4ARCPU User Manual page 233

Error
Code Error Contents and Cause
(SD0)
The program scan time exceeded the
constant scan setting time specified in
the PLC RAS setting of the PLC
parameter.
The low speed program execution time
5010 specified in the PLC RAS setting of the
PLC parameter exceeded the excess
time of the constant scan.
The program scan time exceeded the
constant scan setting time specified in
the PLC RAS setting of the PLC
parameter.
The scan time of the low speed
execution type program exceeded the
5011 low speed execution watch time
specified in the PLC RAS setting of the
PLC parameter dialog box.
Corrective Action
• Review the constant scan setting
time.
• Review the constant scan setting time
and low speed program execution
time in the PLC parameter so that the
excess time of constant scan can be
fully secured.
Review the constant scan setting time
in the PLC parameter so that the excess
time of constant scan can be fully
secured.
Read the individual information of the
error using the peripheral device, check
the numerical value (time) there, and
shorten scan time if necessary. Change
the low speed execution watch time in
the PLC RAS setting of the PLC
parameter dialog box.
220
Corresponding
CPU
QnA
Qn(H)
QnPH
QnPRH
QnU
QnA
Qn(H)
QnPH
QnPRH
Q00J/Q00/Q01
QnA
Qn(H)
QnPH