LOGO! functions

4.4 Special functions list - SF

View in LOGO!

 

Name of the special function

Rem

,Q

 

 

 

 

Shift register (Page 245)

REM

 

 

 

 

 

 

7UJ

4

 

 

'LU

 

 

 

 

 

 

 

 

3DU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mathematic instruction error detection

 

(Q

 



 

 

 

(Page 268)

 

 

 

 

 

5

 

(ᇄ

 

 

4

 

 

 

 

 

 

3DU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.4.1On-delay

Short description

The output is only set after a configurable on-delay time has expired.

Symbol in LOGO!

Wiring

Description

 

 

 

 

 

 

 

 

Input Trg

A signal at input Trg (Trigger) triggers the on-delay

7UJ

 

 

 

 

 

 

4

 

timer.

 

 

 

 

 

 

 

3DU

 

 

 

 

 

 

Parameter

T represents the time after which the output is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

switched on (0 to 1 transition of the output signal).

 

 

 

 

 

 

 

 

 

Retentivity:

 

 

 

 

 

 

 

 

 

/ = no retentivity

 

 

 

 

 

 

 

 

 

R = the status is retentive.

 

 

 

 

 

 

 

 

Output Q

Q is switched on when the set time T has expired,

 

 

 

 

 

 

 

 

 

provided Trg is still set.

Parameter T

Note the defaults for parameter T in topic Time response (Page 151).

The time for parameter T can also be preset based on the actual value of another, already- configured function. You can use the actual values of the following functions:

● Analog comparator (Page 218) (actual value Ax - Ay)

●Analog threshold trigger (Page 213) (actual value Ax)

●Analog amplifier (Page 226) (actual value Ax)

●Analog multiplexer (Page 248) (actual value AQ)

●Analog ramp (Page 251) (actual value AQ)

●Mathematic instruction (Page 265) (actual value AQ)

●PI controller (Page 256) (actual value AQ)

●Up/down counter (Page 201) (actual value Cnt)

160

LOGO! Manual, 04/2011, A5E03556174-01

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Image 160
Siemens 6ED1050-1AA00-0BE8 manual On-delay, Short description, Name of the special function Rem
Page 159 Page 161

6ED1050-1AA00-0BE8 specifications

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