Delta AS Series Programming Manual page 1140

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Instruction code

This instruction writes data from the PLC to the memory card. The operands are described as follows.

ctrl: The control parameter

You can use strings (less than 9 characters) in the in fname (file name).

fname occupies five devices. The file name contains a maximum of nine characters, including 16#00. If the

string does not end with 16#00, an error occurs. When the instruction reads the ending character, it stops

reading, and checks if the file name is legal. The characters in the file name can be A–Z, a–z, and 0–9. The

file name extension depends on the file format. The file that the instruction creates is in the default folder. If

the file name is "Test1", the instruction writes the characters into the devices as follows.

Pulse instruction

： Control parameter

fname ： Data source

The file name extension is .dmd.

The file name extension is .cvs.

The file name extension is .txt.

The values of bit 8–bit 15 are 0.

Cha p ter 6 App l ied Ins truc tio ns

Deleting files on the memory card

16-bit instruction

32-bit instruction

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