
12-62
4500
[SFCP. FORMAT ERR.]
The numbers of BLOCK and BEND instructions in
an SFC program are not equal.
■Collateral information
•Common Information:Program error location
•Individual Information:–
■Diagnostic Timing
•STOP RUN
Write the program to the CPU module again using
the peripheral device.
RUN:
Off
ERR.:
Flicker
CPU Status:
Stop
Qn(H)
QnPH
QnPRH
4501
[SFCP. FORMAT ERR.]
The configuration of the STEP* to TRAN* to TSET
to SEND instructions in the SFC program is
incorrect.
■Collateral information
•Common Information:Program error location
•Individual Information:–
■Diagnostic Timing
•STOP RUN
4502
[SFCP. FORMAT ERR.]
The structure of the SFC program is illegal.
•STEPI* instruction does not exist in the block of
the SFC program.
■Collateral information
•Common Information:Program error location
•Individual Information:–
■Diagnostic Timing
•STOP RUN
Q00J/Q00/Q01*2
Qn(H)
QnPH
QnPRH
QnU
4503
[SFCP. FORMAT ERR.]
The structure of the SFC program is illegal.
•The step specified in the TSET instruction does
not exist.
•In jump transition, the host step number was
specified as the destination step number.
■Collateral information
•Common Information:Program error location
•Individual Information:–
■Diagnostic Timing
•STOP RUN
•Write the pr ogram to the CPU module again
using GX Developer.
•Read the common information of the error using
GX Developer, and check and correct the error
step corresponding to that value (program error
location).
4504
[SFCP. FORMAT ERR.]
The structure of the SFC program is illegal.
•The step specified in the TAND instruction does
not exist.
■Collateral information
•Common Information:Program error location
•Individual Information:–
■Diagnostic Timing
•STOP RUN
Write the program to the CPU module again using
GX Developer.
Error
Code
(SD0)
Error Contents and Cause Corrective Action LED Status
CPU Status
Corresponding
CPU
*2 The function version is B or later.