3-11
APPLICATION
EXAMPLES
Parameter Setting • The input type is set to 5K.
• The scaling is set as follows.
INP: 1440
DSP: 3600
Position of decimal point: \\\\\
(Calculation of scaling factor)
Since 60 rps can be converted into 3600 rpm, the scaling is set in such a way that an
input of 1440 Hz is indicated as 3600 rpm.
• Comparative output 1 is used to generate an upper-limit signal action and the
OUT upper-limit value is set to "3000 rpm".
• Comparative output 2 is used to generate a lower-limit signal action and the OUT
lower-limit value is set to "2000 rpm".
For details of parameters, refer to "CHAPTER 5 OPERATION".
Operation
• When the rotational speed reaches 3000 rpm, comparative output 1 is turned ON.
• When the rotational speed decreases to 2000 rpm, comparative output 2 is turned
ON.
Level Parameter Set value
Initial setting
p-fre 5k
inp 1440
dsp 3600
dp \\\\\
out1.t hi
out2.t lo
Operation
setting
out1 3000
out2 2000
3-5 Monitoring the Rotational Speed by Monitor Output of an Inverter (K3MA-F)
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