Delta DVP-ES2/EX2/SS2/SA2/SX2/SE manual Rcr

3 . Instruction

Set

API

Mnemonic

Operands

Function

Controllers

32

D

RCR

P

Rotation Right with Carry

ES2/EX2 SS2

SA2

SX2

SE

Type

Bit Devices

Word devices

Program Steps

OP

X

Y

M

S

K

H KnX KnY KnM KnS T

C

D

E

F

RCR, RCRP: 5 steps

D

*

*

*

*

*

*

*

*

*

*

DRCR, DRCRP: 9 steps

n

PULSE

16-bit

32-bit

ES2/EX2

SS2

SA2

SX2

ES2/EX2

SS2

SA2

SX2

ES2/EX2 SS2

SA2

SX2

SE

SE

SE

Operands:

D: Device to be rotated n: Number of bits to be rotated in 1 rotation

Explanation:

1.This instruction rotates bit status of the device D together with M1022 to the right for n bits.

2.The status of the last bit rotated (marked with ※) is moved to the carry flag M1022.

3.This instruction is generally used in pulse execution mode (RCRP, DRCRP).

4.If operand D uses index F, only a 16-bit instruction is available.

5.If operand D is specified as KnY, KnM or KnS, only K4 (16-bit) or K8 (32-bit) is valid.

6.Valid range of operand n: 1≤ n ≤16 (16-bit), 1≤ n ≤32 (32-bit)

Program Example:

When X0 goes from OFF to ON, the 16 bits (4 bits as a group) in D10 together with carry flag M1022 (total 17 bits) will rotate to the right, as shown in the figure below. The bit marked with ※ will be moved to carry flag M1022

			X0						RCRP			D10					K4
							Rotate to the right
	Upper bit														Lower bit
D10	0		0	0	0 1		1 1		1	0	0 0	0	0	1	1	0		1	M1022
																			Carry
																			flag
										16 bits
								After one rotation
		Upper bit								to the right					Lower bit				M1022
D10	1		1	0 1		0	0	0	0	1	1 1	1	0	0	0	0		0

Carry

flag

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