Delta AS Series Programming Manual page 902

Additional remarks
1.
If n exceeds the range, the instruction is not executed, SM0 is ON, and the error code in SR0 is 16#200B.
2.
If you declare the operand D in ISPSoft, the data type is ARRAY [4] of BOOL.
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Cha p ter 6 App l ied Ins truc tio ns
6_
6 - 6 2 3