Frequency Detection; Speed Agreement Function - YASKAWA Varispeed E7 Instruction Manual And Parameter Description

Frequency Detection

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.
Related Constants
Con-
stant
Number
L4-01 Speed agreement detection level
L4-02 Speed agreement detection width
With L4-01 an absolute speed agreement level is set, i.e. a speed agreement is detected in both directions
•
(FWD and REV).
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.
f /f Agree 1
ref out
f /f Agree 1
out set

Frequency detection 1

Frequency detection 2
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Name
Effective when "f
or "Frequency detection 2" is set for a multi-function out-
put.
Effective when "f
quency detection 1" or "Frequency detection 2" is set for a
multi-function output.
Function
Description
/f agree 1", "Frequency detection 1"
out set
/f agree 1", "f /f agree 1", "Fre-
ref out out set
Change
Setting Factory Access
during
Range Setting Level
Operation
0.0 to
0.0 Hz No
200.0
0.0 to
2.0 Hz No
20.0
Setting
2
3
4
5
A
A