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6.1.3.4.6 MOD

Function​

To find the modulo (return the remainder of division), divide the value of input IN1 by the value of input IN2, and query the remainder through output OUT

LD Graphics​

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Parameter description​

Interface variableDeclarationData typeDescription
IN1Var_InputANY_INTDividend
IN2Var_InputANY_INTDivisor
OUTVar_OutputANY_INTRemainder

Example​

Through the MOD instruction, variable a is divided by variable b to obtain variable c, as shown in the following figure: three INT type variables are defined, and the MOD instruction is executed by compiling, downloading, and realizing that variable c is the remainder of variables a and b

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warning
  • The result of evaluating the MOD function shall be equivalent to the execution of the following ST statement:
IF(IN2 = 0) THEN
    OUT := 0;
ELSE
    OUT := IN1 - (IN1 / IN2) * IN2;
END_IF