Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual page 432

Precautions
• If the ERINIT instruction is executed, an access to the SD memory card occurs and the scan time is extended.
• This instruction cannot be executed with the extended file register operation instruction simultaneously.
• When executing the following extended file register operation instruction, detect the extended file register (ER) access flag:
SM9366 switching from ON to OFF, and turn on the drive contact of the extended file register operation instruction.
• The ERINIT instruction cannot be executed in the interrupt program.
• Do not turn off the power supply of the CPU module during access to the extended file register (ER).
Operation error
Error code Description
(SD0/SD8067)
2821H The device other than the target device is specified to each operand.
3583H The extended file register operation instruction is executed in the F/W of the serial number 16X**** or earlier.
3584H Write protect of the SD memory card is enabled.
3585H A storage capacity in the SD memory card for the extended file register "EXFILER.ERD" is insufficient.
3586H • The SD memory card is not inserted.
• The SD memory card is removed or unmounted during transferring the extended file register (ER).
3587H Initialization to the SD memory card did not complete normally.
8 APPLICATION INSTRUCTION
430
8.7 Extended File Register Operation Instruction