Siemens S7-200PLC Especificações descarregar pdf (Página 251)

100

101

SIMATIC Instructions

9-75

S7-200 Programmable Controller System Manual

C79000-G7076-C233-01

Multiply Double Integer and Divide Double Integer

The Multiply Double Integer instruction multiplies two

32-bit integers and produces a 32-bit product.

The Divide Double Integer instruction divides two 32-bit

integers and produces a 32-bit quotient. No remainder is

kept.

In LAD and FBD: IN1<IN2 = OUT

IN1 / IN2 = OUT

In STL: IN1<OUT = OUT

OUT / IN1 = OUT

Error conditions that set ENO = 0: SM1.1 (overflow),

SM1.3 (divide-by-zero), SM4.3 (run-time), 0006 (indirect

address)

These instructions affect the following Special Memory

bits: SM1.0 (zero); SM1.1 (overflow); SM1.2 (negative);

SM1.3 (divide-by-zero)

If SM1.1 (overflow) is set during a multiply or divide

operation, the output is not written and all other math

status bits are set to zero.

If SM1.3 (divide by zero) is set during a divide operation, then the other math

status bits are left unchanged and the original input operands are not altered.

Otherwise, all supported math status bits contain valid status upon completion of

the math operation.

Inputs/Outputs Operands Data Types

IN1, IN2 VD, ID, QD, MD, SMD, SD, LD, HC, AC, Constant, *VD, *AC, *LD DINT

OUT VD, ID, QD, MD, SMD, SD, LD, AC, *VD, *LD, *AC DINT

OUT

MUL_DI

IN1

IN2

OUT

DIV_DI

IN1

IN2

OUT

*D IN1, OUT

/D IN1, OUT

ENO

222 224

221

1 2 ... 246 247 248 249 250 251 252 253 254 255 256 ... 503 504

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