Delta DVP-ES2/EX2/SS2/SA2/SX2/SE Manual

A SERVICE OF

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3. Instruction Set

3-359

API Mnemonic Operands Function

154

D RAND P

Random number

Controllers

ES2/EX2 SS2 SA2

SE

SX2

Bit Devices Word devices Program Steps Type

OP

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

S

1

* * * * * * * * ***

S

2

* * * * * * * * ***

D

* * * * * ***

RAND, RANDP: 7 steps

DRAND, DRANDP: 13

steps

PULSE 16-bit 32-bit

ES2/EX2 SS2

SA2

SE

SX2 ES2/EX2 SS2

SA2

SE

SX2 ES2/EX2 SS2

SA2

SE

SX2

Operands:

S

1

: Lower bound of the random number S

2

: Upper bound of the random number D: Operation

result

Explanations:

1. The range of 16-bit operands S

1

, S

2

: K0≦S

1

, S

2

≦K32,767; the range of 32-bit operands S

1

,

S

2

: K0≦S

1

, S

2

≦K2,147,483,647.

2. Entering S

1

> S

2

will result in operation error. The instruction will not be executed at this time,

M1067, M1068 = ON and D1067 records the error code 0E1A (HEX)

Program Example:

When X10 = ON, RAND will produce the random number between the lower bound D0 and upper

bound D10 and store the result in D20.

X0

RAND D0 D10 D20