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5-7. How to Program ROM
5-7. How to Program ROM
1. Memory (ROM) Type
• FP-M program writing and operation can be done using only the internal RAM. However, program writing,
operation and saving, etc., are also possible using optional ROM.
• The contents of the program and system registers are written to the memory or master memory. When the ROM is
driven [contents of the memory (ROM) are transferred to RAM], the existing contents of memory and system
registers will be overwritten.
• The contents of memory for operand, such as internal relays and data registers, are not overwritten.
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Memory type
Type
Part number
Writing method
Description
Memory (EPROM)
2 pieces in a set
Master memory
(EEPROM)
1 piece in a set
AFP5202
AFP5207
Commercially
available ROM
programmer
FP-M control board
A ROM programmer
is not required.
27C256 or equivalent
Suitable for program storage or ROM operation
when installed on the FP-M control board.
28C256 or equivalent
You can write data without using a ROM
programmer. Suitable for copying and
transmitting the program.
Memory
(EPROM)
Master memory
(EEPROM)
User memory socket
FP-M
control board
Memory selector
EPROM
EEPROM
9600
19200
EPROM EEPROM
RUN REMOTE PROG.
RUN PROG. ERR ALARM.
(BATT.)
V0
V1
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