DVP-ES3 Series Programming Manual 3. If you need to clear the comparison result, use the RST or ZRST instruction. _6 1. If you declare the operand D in ISPSoft, the data type is ARRAY [3] of BOOL. Additional remarks 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. 6-26