Delta AS Series Programming Manual page 307

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Example
1.
If the operand D is M0, the comparison results are stored in M0, M1 and M2, as shown below.
2.
When X0.0 is ON, the ZCP instruction is executed. M0, M1, or M2 is ON. When X0.0 is OFF, the ZCP instruction is
not executed, and the state of M0, the state of M1, and the state of M2 remain unchanged.
3.
If you need to clear the comparison result, use the RST or ZRST instruction.
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Additional remarks
1.
If you declare the operand D in ISPSoft, the data type is ARRAY [3] of BOOL.
2.
If D+2 exceeds the device range, the instruction is not executed, SM0 is ON, and the error code in SR0 is
16#2003.
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