xLogic SuperRelay User’s Manual
66
Connection Description
Input Fre
The function count 0 to 1 transitions at input Fre. ! to 0
transitions are not counted.
Use
Inputs I8(ELC-12) or IB/IC(ELC-18) for fast counts
max. 99 kHz.
Any other input or circuit element for low frequencies
(typical 4 Hz).
Parameter
On: On threshold
Range of values: 0000...9999
Off: Off threshold
Range of values: 0000...9999
G_T: Time interval or gate time during which the input pulses
are measured.
Range of values: 00:05 s...99:99 s
Output
Q is set or reset according to the threshold values.
Parameter
The value of ＂On＂，＂Off＂can be set/modified in parameter mode. For information
about how to modify, refer to chapter 4.2.2 please.
Timing diagram
fa = Input frequency
Description of the function
The trigger measures the signals at input Fre. The pulses are captured during a
configurable period G_T.
Q is set or reset according to the set thresholds. See the following calculation rule.
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