Mitsubishi Electric M800VW Series Programming Manual page 369

Plc programming

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M800V/M80V Series PLC Programming Manual (1/2)

8 Function Instructions

8.10 Character String Processing Instructions

 Operation errors

 In the following cases, an arithmetic error occurs, the error flag (SM0) turns ON, and an error code is stored at SD0.

- The character string designated by (S) is "0" characters. (Error code: 34)

- The value of n exceeds the number of characters designated by (S). (Error code: 82)

- n is a negative number. (Error code: 82)

- The range from (D) to (D) + the number of characters designated in n (including (D)), exceeds the relevant device

range. (Error code: 82)

 Program example

 The following program extracts 4 characters of data from the right of the character string stored in the area starting from R0,

and stores them into the area starting from D0 when X0 turns ON.

 The following program extracts the number of characters corresponding to the value stored in D0 from the left of the char-

acter string data stored in the area starting from D100, and stores them into the area starting from R10 when X1C turns ON.

ASCII code for the 6th

IB-1501667-B

[Ladder mode]

RIGHTP R0 D0 K4

[Ladder mode]

LEFTP D100 R10 D0

ASCII code for the 4th

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