Delta DVP-ES2 Uživatelský manuál stáhnout pdf (Strana 433)

100

101

3. Instruction Set

3-317

API Mnemonic Operands Function

131

D COS P

Cosine

Controllers

ES2/EX2 SS2 SA2

SX2

Bit Devices Word devices Program Steps Type

X Y M S K H KnX KnY KnM KnS T C D E F

* * *

D *

DCOS, DCOSP: 9 steps

PULSE 16-bit 32-bit

ES2/EX2 SS2

SA2

SX2 ES2/EX2 SS2

SA2

SX2 ES2/EX2 SS2

SA2

SX2

Operands:

S: Source device (0°≦S＜360°) D: Operation result

Explanations:

1. COS instruction performs cosine operation on S and stores the result in D.

2. The value in S can be set as radian or degree by flag M1018.

3. M1018 = OFF, radian mode. RAD = degree ×π/180.

4. M1018 = ON, degree mode. Degree range: 0°≦degree＜360°.

5. Flag: M1018 (Flag for Radian/Degree)

6. See the figure below for the relation between the radian and the operation result:

-2

-2 2

-1

S: Radian

R: Result (COS value)

7. If operation result in D is 0, Zero flag M1020 = ON.

Program Example 1:

M1018 = OFF, radian mode.

When X0 = ON, DCOS instruction conducts cosine operation on binary

floating value in (D1, D0) and stores the COS value in (D11, D10) in binary floating format.

M1002

RST M1018

DCOS D0 D10

D11

D10

COS value

binary floating point

RAD value(degree x /180)

1 2 ... 428 429 430 431 432 433 434 435 436 437 438 ... 701 702

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