MITSUBISHI ELECTRIC MOTION CONTROLLERS Q172DCPU - Manual (Page 111)

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4 AUXILIARY AND APPLIED FUNCTIONS
(2) Operation at the "Mode operated by ROM"
NO
YES
Mode operated by ROM start
Is the data write
to the FLASH ROM built-in
Motion CPU module ?
Normal operation start
Read the followings of the FLASH ROM
built-in Motion CPU module to the SRAM
built-in Motion CPU module.
System setting data
Parameter for servo control
Servo program
Motion SFC parameter
Motion SFC program
Mechanical system program (SV22)
Cam data (SV22)
(Data (programs, parameters and absolute
position data) is not written to the FLASH
ROM built-in Motion CPU module.)
The system setting error (" AL" flashes 3
times steady "L01" display) in the 7-
segment LED at the front side of Motion
CPU module.
After that, it is same operation at the
RAM operation.
After that, it cannot be operated because of
stop state.
Retry the operation for "ROM writing"
"Mode operated by ROM" after confirm the
contents for programs and parameters of the
SRAM built-in Motion CPU module.
Wait the restart of Multiple
CPU system.
POINT
(1) Change the operation mode using the rotary switch of Motion CPU module.
(2) Confirm the operation mode by the 7-segment LED of Motion CPU module.