DVP-ES3 Series Programming Manual Symbol S 1 : Augend S 2 : Addend D : Sum _6 Explanation 1. This instruction adds the 32-bit single-precision floating-point numbers in S 2 and S 1 , and stores the sum in D . 2. Instruction flags: SM600 (zero flag), SM601 (borrow flag), and SM602 (carry flag) When the operation result is zero, SM600 is ON. Otherwise, it is OFF. When the absolute value of the operation result is less than the value that can be represented by the minimum floating-point number, the value in D is 16#FF800000 and SM601 is ON.
When the absolute value of the operation result is larger than the value that can be represented by the maximum floating-point number, the value in D is 16#7F800000 and SM602 is ON. Example Adding single-precision floating-point numbers: when M0 is ON, the instruction adds the addend 16#4046B852 in (D21, D20) to the augend 16#3FB9999A in (D11, D10), and stores the sum 16#4091C28F in (D31, D30). 16#4046B852, 16#3FB9999A, and 16#4091C28F represent the floating point numbers 3.105, 1.450, and 4.555 respectively.
6-56 API Instruction code Operand Function 0104 F+ P S1,S2,D Adding floating-point numbers Device X Y M S T C HC D FR SM SR E K 16# “$” F S1 S2 D BOOL WORD DWORD LWORD UINT INT DINT LINT REAL LREAL TMR CNT STRING Data type S1 S2 D Pulse instruction 16-bit instruction 32-bit instruction ES3 - ES3