| 摘要 |
Welding controller 1 has CPU 1a, ROM1 1b, ROM2 1c and RAM 1d. Programs and data are written into the ROM1 1b and can be rewritten. Sequential welding data is written into the RAM 1d and can be rewritten. A write program for writing programs or data or sequential welding data into the ROM1 1b or the RAM 1d is stored in the ROM2 1c. When a welding control program or data or sequential welding data is input into the CPU 1a from an input device 10 or a computer 12, the CPU 1a executes the write program to write the inputted program or data or sequential welding data into the ROM1 1b or the RAM 1d. Preferably, ROM 1b is an in situ programmable memory, such as a flash memory or EEPROM.
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