Hitachi NJI-350B manual Usable I/O Bit, Word Double word Constant Other, Wx Wy Wm Dx Dy Td, Ss

Chapter 5 Instruction Specifications

Item number Basic instructions-11, 12 Name Set/reset coil output (SET, RES)

Ladder format

Condition code

Processing time (∝s)

Remark

n

n

R7F4

R7F3

R7F2

R7F1

R7F0

Average

Maximum

SET

S

SET

DER

ERR

SD

V

C

Upper case: SET

n

n

RES

R

RES

z

z

z

z

z

0.9

←

Lower case: RES

Instruction format

Number of steps

SET n

Condition

Steps

RES n



1

0.9

←

Usable I/O

X

Y

Bit

CU, CT

Word

TC

Double word

Constant

Other

M

WX WY WM

DX DY

DM

R,

TD, SS,

WR,

DR,

n

I/O number

{

{

Function

n

SET

Switches on the device when the operation result obtained up to that point is “1.”

SET n

The device that is switched on will not be switched off even if the operation result is “0.”

n

RES

SET n RES n

RES n

Switches off the device when the operation result obtained up to that point is “1.”

( ) indicates the display when the Ladder Editor is used.

Notes

•When a set/reset coil is used on a multi-layer coil, it must be set to the highest level or an arbitrary contact must be entered immediately before the use.

Example of OK

SET

SET

Example of NG

SET

SET

SET

Program example

X00000	R100	SET	LD	X00000
			SET	R100
X00001	R100		LD	X00001
			RES	R100
		RES

Program description

•When input X00000 turns on, output R100 turns on. Even if X00000 turns off, R100 remains on.

•When input X00001 turns on, output R100 turns off.

•When input X00000 and X00001 both turn on, the one executed later than the other during programming takes a higher priority.

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