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KFU8-FSSP-1.D-Y
Operation
3
Operation
3.1
Operating mode
Signal frequency
The frequency voltage/current converter processes input signals of 0.002 Hz ... 40000 Hz or
speeds of 0.01 rpm ... 9999 rpm. Signals not having a duty rate of 1:1 must have a minimum
pulse pause or pulse duration of 12 s in order to be detected with certainty behind the input
filter.
Measurement underrange, message
This message appears when no input signal is recognized.
Measurement overrange, message
The preset display and measurement range was exceeded.
Note!
Select a wider measurement range.
Very low signal frequencies, displayed value is not valid,
message
During the measurement of very low signal frequencies, the measuring system has detected
that the signal has fallen below the last computed frequency. The time between the last two
signal edges has already elapsed. The device is now waiting for the next positive signal edge in
order to compute the next measured value. Here, 'XXX' represents the positions of the first
three digits of the last measured value.
Self test, message
When the power supply is switched on, the device performs a self test. The message appears
when it is established that there is an error, for example during the check summation of the
EEPROM data; in this state, the output relay behaves as if there has been a power failure. The
error message can be cleared by switching the supply voltage off and on again.
Error message
Note!
If, when switching on again, the error message
loaded.
1. Enter the parameters again.
2. Switch the device off and back on again.
The normal function of the output relay is restored.
3.2
Setup mode
see Figure 4.2 on page 14
Transition operating mode setup mode
Starting setup mode
Press the "Mode" and "+" buttons at the same time.
The display shows the parameters in text form.
appears, then the factory presets were
7
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