Outline Of Rom Operation - Mitsubishi Electric Q Series Programming Manual

4 AUXILIARY AND APPLIED FUNCTIONS

4.4.2 Outline of ROM operation

When the ROM writing is requested to the Motion CPU module using the
MT Developer2, the programs and parameters stored in the SRAM built-in Motion CPU
module are batch-written to the FLASH ROM, after the data of FLASH ROM built-in
Motion CPU are erased.
When the Motion CPU starts in the "Mode operated by ROM", a normal operation
starts, after the data written in the FLASH ROM is read to the SRAM.
The programs and parameters created by the MT Developer2 must be written
beforehand to the FLASH ROM built-in Motion CPU module at the ROM operation.
The following methods for ROM writing are shown below.
• Write the programs and parameters written in the SRAM built-in Motion CPU module
to the FLASH ROM built-in Motion CPU module.
• Write the programs and parameters of the MT Developer2 to the SRAM built-in
Motion CPU module, and then write them to the FLASH ROM built-in Motion CPU
module.
The data batch written to the FLASH ROM built-in Motion CPU module by ROM writing
are shown below. Backup data except the following (current position of servomotor in
absolute position system, home position and latch device.) cannot be written to the
FLASH ROM.
SV13
Servo program
Motion SFC parameter
Motion SFC program
—
—
POINT
(1) "Backup • load" operation of the MT Developer2 targets the SRAM built-in
Motion CPU module. (The FLASH ROM built-in Motion CPU module is not
targeted.)
Set to "Mode operated by ROM" after ROM writing to execute the ROM
operation after "Backup • load" operation at the Motion CPU module exchange.
(2) The FLASH ROM built-in Motion CPU module serves as a life in 100000 times
writing. Make the ROM writing within 100000 times. If it passes over a life,
"writing error" will occur, replace the Motion CPU module.
(3) The online change of Motion SFC program executes the Motion SFC program
performed the online change from the next scanning at the mode operated by
ROM. Operation starts with the contents of the Motion SFC program written in
the FLASH ROM built-in Motion CPU module at next power supply on or reset.
(4) It needs to meet the following conditions for the ROM writing.
(a) PLC ready flag (M2000) OFF
(b) Not installation mode
SV22
System setting data
Each parameter for servo control
Mechanical system program
Cam data
4 - 24
SV43
—
Motion parameter
Motion program
—
—