Sin (Sine) - IDEC MICROSmart FC6A Series Ladder Programming Manual

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SIN (Sine)

Valid Devices

S1 (Source 1)

D1 (Destination 1)

For valid device address ranges, see "Device Addresses" on page 2-1.

When the data designated by S1 does not comply with the normal floating-point format, a user program execution error will result, turning on

special internal relay M8004 and ERR LED on the FC6A Series MICROSmart. For details about the user program execution errors, see "User Program

Execution Errors" on page 3-10.

Since the SIN instruction is executed in each scan while input is on, a pulse input from a SOTU or SOTD instruction should be used.

Valid Data Types

D (double word)

Example: SIN

sin S1·S1+1 → D1·D1+1

When input is on, the sine of the radian value assigned by source device S1 is stored to the

destination assigned by device D1.

Radian value to convert into sine value

Destination to store conversion results

Since the floating point data type is used, the source and destination devices use two consecutive data registers.

When input I1 is turned on, the sine of the radian value of data registers D10 and D11

assigned by source device S1 is stored to data registers D20 and D21 assigned by

destination device D1.

3.926991 rad = 5

/4 → – 0.7071069

RIGONOMETRIC

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