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6-97

EDNEG(P)

.3 Data conversion

instructions

.3.13 Floating-po

int sign inver

tion (

ouble pr

ecision)

(EDNEG(P)

)

6.3.13

Floating-point sign invertion (Double precision)
(EDNEG(P))

EDNEG(P)

Function

(1) Reverses the sign of the 64-bit floating decimal point type real number data designated by

, and stores at the device designated by

(2) Used when reversing positive and negative signs.

Operation Error

(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and

an error code is stored into SD0.
• The value of the specified device is not in the following range:

(Error code: 4140)

0, 2

-1022

| value of specified device | < 2

1024

• The value of the designated device is 0.

(Error code: 4140)

Program Example

(1) The following program inverts the sign of the 64-bit floating decimal point type real number

data at D100 to D103 when X20 goes ON, and stores result at D100 to D103.
[Ladder Mode]

[List Mode]

[Operation]

Head number of the devices where the 64-bit floating decimal point data whose sign is to be reversed is

stored (real number)

Setting

Data

Internal Devices

R, ZR

Constants

Other

Bit

Word

Bit

Word

––

Universal

Basic

Process

High

performance

Redundant

Command

EDNEG

EDNEGP

EDNEG

EDNEGP

Step

Instruction

Device

1.2345