Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual page 126

Security key
When a security key is set to a program file, and the security key of the program file does not match the security key of the
Motion CPU, a moderate error (error code: 3072H) occurs, and file transmission is not performed. A moderate error (error
code: 3072H) also occurs when a security key is not written to the Motion CPU.
■Transmitting from SD memory card to standard ROM
: No such combination
Program file security key
Security key set
*1 Transmission is permitted but a moderate error (error code: 2300H) occurs at security key authorization when the Multiple CPU system
power supply is turned ON.
■Boot file transmission from standard ROM to SD memory card
: No such combination
Program file security key
Security key set
*1 A moderate error (error code: 3072H) occurs.
4 AUXILIARY AND APPLIED FUNCTIONS
124
4.8 File Transmission at Boot Function
Motion CPU security key
Security key is written
Security key is not written
Motion CPU security key
Security key is written
Security key is not written
Security key matched/not matched
Matched
Not matched

Security key matched/not matched
Matched
Not matched

Transmission permitted
Transmission permitted
*1
Transmission permitted
*1
Transmission permitted
Transmission permitted
*1
Transmission not permitted
*1
Transmission not permitted
*1
Transmission not permitted