Lenze PLC Designer PLC Designer (R2-x) Uživatelský manuál stáhnout pdf (Strana 536)

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L-force | PLC Designer

Operators and Library Modules Overview

534 DMS 3.2 EN 02/2011 TD29 

Elements of the Standard.lib:

in ST in AWL Description

LEN(in) LEN String length of operand in

LEFT(str,size) LEFT Left inital string of given size of string str

RIGHT(str,size) RIGHT Right initial string of given size of string str

MID(str,size,pos) MID Partial string of str of given size at position pos

CONCAT('str1','str2') CONCAT 'str2' Concatenation of two subsequent strings

INSERT('str1','str2',pos) INSERT 'str2',p Insert string str1 in String str2 at position pos

DELETE('str1',len,pos) DELETE len,pos Delete partial string (length len), start at position

pos of str1

REPLACE('str1','str2',len,pos) REPLACE 'str2',len,pos Replace partial string of lenght len by str2, start

at position pos of str1

FIND('str1','str2') FIND 'str2' Search for partial string str2 in str1

SR SR Bistable FB is set dominant

RS RS Bistable FB is set back

SEMA SEMA FB: Software Semaphor (interruptable)

R_TRIG R_TRIG FB: rising edge is detected

F_TRIG F_TRIG FB: falling edge is detected

CTU CTU FB: Counts upv

CTD CTD FB: Counts down

CTUD CTUD FB: Counts up and down

TP TP FB: trigger

TON TON FB: Timer On-Delay

TOF TOF FB: Timer Off-Delay

RTC RTC FB: Real Time Clock

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