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Instructions, Negative pulse contact – Toshiba 6F3B0253 User Manual

Page 128

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6F3B0253

126

T1-16S User’s Manual

7. Instructions

N

Negative pulse contact

Expression

A
Input

N

Output

Function

When the input is ON and the device A is changed from ON to OFF (ON at last scan and OFF at
this scan), the output is turned ON.
This instruction is used to detect the device changing from ON to OFF.

Execution condition

Input

Operation

Output

OFF

Regardless of the state of device A

OFF

ON

State of device A is OFF

A is OFF at last scan

OFF

A is ON at last scan

ON

State of device A is ON

OFF

Operand

Name

Device

Register

Constant Index

X

Y

R

S

T.

C. XW YW RW SW T

C

D

I

J

K

A Device

Example

R100 comes ON for only 1 scan when X000 is ON and X003 changes to OFF.

X000

X003

R100

1 scan time

1 scan time

Note

The maximum usable number in a program is 2048.

(

P

N

(P)

(N)

total)