Rockwell-automation AutoMax Enhanced Ladder Language Reference Manual Manual do Utilizador descarregar pdf (Página 176)

100

101

9Ć2

Use this instruction: To:

Circular Rotate Bits Right (ROR) Rotate a specified number of the least significant

bits into the most significant bit positions while

the instruction is enabled.

Circular Rotate Bits Right on Transition

(RR)

Rotate a specified number of the least significant

bits into the most significant bit positions for

each falseĆtrue transition of the enable bit.

This instruction performs the same operation as

ROR, but it is edgeĆtriggered.

The supported parameters are:

D Boolean arrays

D simple integer and double integer

D elementĆindexed integer and double integer arrays

Rotating Bits Within Boolean Arrays

In a Boolean array, you cannot rotate more bits than the array contains. For example, if

a Boolean array has 5 elements, you cannot rotate 6 elements. The maximum number

of bits that can be rotated in one instruction is 8 bits.

1 2 ... 171 172 173 174 175 176 177 178 179 180 181 ... 351 352

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