Frequency Detection
6-25
Frequency Detection
îš‹ Speed Agreement Function
There are four different types of frequency detection methods available. The digital multifunction outputs M1
to M4 can be programmed for this function and can be used to indicate a frequency detection or agreement to
any external equipment.
îš„Related Parameters
• With L4-01 an absolute speed agreement level is set, i.e. a speed agreement is detected in both directions
(FWD and REV).
îš„Multifunction Output Settings: H2-01 to H2-02
(M1 – M4 function selection)
The table below shows the necessary H2-01 and H2-02 parameter setting for each of the speed agreement
functions.
Parameter
Number
Name
Setting
Range
Factory
Setting
Change
during
Operation
Access
Level
L4-01 Speed agreement detection level
0.0 to
200.0
0.0 Hz No A
L4-02 Speed agreement detection width
0.0 to
20.0
2.0 Hz No A
Set Value Function
2
f
ref
= f
out
Agree
3
f
out
= f
set
Agree
4 Frequency detection 1
5 Frequency detection 2
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