Detection Of Output Frequency (Su, Fu, Fu2, Fu3, Ls, Pr. 41 To Pr. 43, Pr. 50, Pr. 116, Pr. 865) - Mitsubishi Electric FR-A700 Instruction Manual

Parameter
6.14.6 Detection of output frequency (SU, FU, FU2, FU3, FB, FB2, FB3, LS, Pr. 41
to Pr. 43, Pr. 50, Pr. 116, Pr. 865)
The inverter output frequency is detected and output to the output signal.
Pr.
Name
No.
Up-to-frequency
41
sensitivity
Output frequency
42
detection
Output frequency
43
detection for reverse
rotation
Second output
50
frequency detection
Third output frequency
116
detection
865
Low speed detection
Up-to-frequency sensitivity (SU, Pr. 41)
When the output frequency reaches the running frequency, the up-to-frequency signal (SU) is
output. The Pr. 41 value can be adjusted within the range ±1% to ±100% on the assumption that
the set frequency is 100%.
This parameter can be used to ensure that the running frequency has been reached to provide
the operation start signal etc. for related equipment.
Set
frequency
SU
signal
FR-A700 EC
Initial Setting
Description
Value Range
10% 0–100% Set the level where the SU signal turns on.
Set the frequency where the FU (FB) signal
6Hz 0–400Hz
turns on.
Set the frequency where the FU (FB) signal
0–400Hz
turns on in reverse rotation.
9999
9999 Same as Pr. 42 setting
Set the frequency where the FU2 (FB2)
30Hz 0–400Hz
signal turns on.
Set the frequency where the FU3 (FB3)
50Hz 0–400Hz
signal turns on.
Set the frequency where the LS signal
0–400Hz
turns on.
Running frequency
Hz
Function assignment of external terminals
Fig. 6-136:
Output of the SU signal
Adjustment
range
Pr. 41
t
Parameters referred to
190–196 Output terminal
function selection
874 OLT level setting
Refer to
Section
6.14.5
6.3.2
I000020C
6 - 309