Yaskawa Ladder Works Programming Manual Instrukcja Użytkownika Pobierz pdf (Strona 140)

7.7 FIRST-ORDER LAG Instruction (LAG)

7-19

7.7 FIRST-ORDER LAG Instruction (LAG)

[Outline]

The LAG instruction calculates the first-order lag according to the contents of a previously set

parameter table. The input (Input) to the LAG operation must be integer or real number data.

Double-length integer data cannot be used. The configurations of the parameter tables for integer

and real number data are different. Operations are performed by processing each parameter as an

integer consisting of the lower-place 16 bits.

Table of Integer Type LAG Instruction Parameters

ADR Type Symbol Name Specification I/O

0 W RLY Relay I/O Relay input, relay output *S

IN/OUT

1 W T First-order lag time

constant

First-order lag time constant(ms) IN

2 W Y LAG output LAG output (also output to the A register) OUT

3 W REM Remainder Storage of remainder OUT

: Relay I/O Bit Assignment

BIT

Symbol

Name

Specification

I/O

0 IRST LAG reset "ON" is input when LAG is reset. IN

1 to 7

－

(Reserve) Reserve relay for input IN

8 to F

－

(Reserve) Reserve relay for output OUT

Table of Real Type LAG Instruction Parameters

ADR Type Symbol Name Specification I/O

0 W RLY Relay I/O Relay input, relay output *S

IN/OUT

1 W

－

(Reserve) Reserve register

－

2 F T First-order lag time

constant

First-order lag time constant(s) IN

4 F Y LAG output LAG output (also output to the F register) OUT

: Relay I/O Bit Assignment

BIT Symbol Name Specification I/O

0 IRST LAG reset "ON" is input when LAG is reset. IN

1 to 7

－

(Reserve) Reserve relay for input

8 to F

－

(Reserve) Reserve relay for output

OUT

Here, the LAG operation is expressed as follows:

Y 1

＋

; ie.

( dY/dt ) + Y = X

The following operation is performed within the LAG instruction with dt = Ts and dY = Y-Y':

T×Y' + Ts×X + REM

Y =

T + Ts

X : input value

Y : output value

Y' : previous output value

Ts : scan time set value

Y = 0 and REM = 0 are output when the LAG reset (RST) is "ON".

1 2 ... 135 136 137 138 139 140 141 142 143 144 145 ... 219 220

Komentarze do niniejszej Instrukcji

Brak uwag

Yaskawa Ladder Works Programming Manual Instrukcja Użytkownika Strona 140

Komentarze do niniejszej Instrukcji

Powiązane produkty i podręczniki dla Ekwipunek Yaskawa Ladder Works Programming Manual