Siemens 6ED1050-1AA00-0BE8 Manual De Usuario
LOGO! functions
4.4 Special functions list - SF
LOGO!
172
Manual, 04/2011, A5E03556174-01
4.4.6
Edge triggered wiping relay
Short description
An input pulse generates a preset number of output pulses with a defined pulse/pause ratio
(retriggerable), after a configured delay time has expired.
Symbol in LOGO!
Wiring
Description
Input Trg
A signal at input Trg (Trigger) triggers the times for
the edge triggered wiping relay.
Input R
A signal at input R resets the current time (T
a
) and
the output.
4
7UJ
5
3DU
5
3DU
Parameter
The interpulse width T
L
and the pulse width T
H
are
configurable.
N determines the number of pulse/pause cycles
N determines the number of pulse/pause cycles
TL/TH:
Range of values: 1...9
Retentivity:
Retentivity:
/ = No retentivity
R = The status is retentive.
Output Q
Q is set after TL has expired, and reset after TH has
expired.
Parameters TH and TL
Note the information on parameter T in topic Time response (Page 151).
The pulse width TH and the interpulse width TL can be provided by the actual value of
The pulse width TH and the interpulse width TL can be provided by the actual value of
another already-programmed 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)
If your LOGO! is a LOGO! 0BA7, you can additionally use the actual values of the following
● 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)
If your LOGO! is a LOGO! 0BA7, you can additionally use the actual values of the following
functions:
● Analog filter (0BA7 only) (Page 271) (actual value AQ)
● Average value (0BA7 only) (Page 276) (actual value AQ)
● Analog filter (0BA7 only) (Page 271) (actual value AQ)
● Average value (0BA7 only) (Page 276) (actual value AQ)