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LOGO! functions
4.4 Special functions list - SF
Note
The "seconds" timebase is here set as permanent default.
When you preset a time G_T of 1 s, LOGO! returns the current frequency in parameter f
Hz.
View in parameter assignment mode (example):
Note
f
always represents the total pulses measured per time unit G_T.
a
4.4.16

Analog threshold trigger

Short description
The output is set and reset at two configurable thresholds.
Symbol in LOGO!
* AI1...AI8: 0...10 V corresponds with 0...1000 (internal value).
160
Wiring
Description
Input Ax
You apply the analog signal to be analyzed at input
Ax.
Use the analog inputs AI1...AI8
AM1...AM6, the block number of a function with ana-
log output, or the analog outputs AQ1 and AQ2.
Parameter
A: Gain
Range of values: ±10.00
B: Zero offset
Range of values: ±10,000
On: On threshold
Range of values: ±20,000
Off: Off threshold
Range of values: ±20,000
p: Number of decimals
Range of values: 0, 1, 2, 3
Output Q
Q is set or reset by the threshold triggers.
*
, the analog flags
(
)
Manual, 10/2017, A5E01248535-AA
in
a
LOGO!

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