Reading/Writing Data Instructions - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

8.6

Reading/writing Data Instructions

Reading/Writing data to data memory
The data write instruction is an instruction to write arbitrary device data to data memory.
Writing the fixed values used for operation and operation results to data memory can prevent data loss when the battery is
low.
The data that has been written to data memory can be read at any time using the data memory read instruction.
■Execution method
Use the SP.DEVST instruction to write device data to data memory.
Use the S(P).DEVLD instruction to read device data from data memory to any specified device.
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8.6 Reading/writing Data Instructions