Adjustments For V/F Control With Speed Feedback - Omron M1 Series User Manual

6 Vector Control and Applied Functions
d23 data
0 Continue to run 1
1 Stop with alarm 1
2 Stop with alarm 2
3 Continue to run 2
4 Stop with alarm 3
5 Stop with alarm 4
When Continue to run (0 or 3) is set in Speed Deviation Error Processing Selection (d23), inverter
output is not shut off (tripped). For this reason, allocate "76: DSE (excessive speed deviation)" to
Output Terminal [DO1] Function Selection (E20), Output Terminal [DO2] Function Selection (E21)
or Output Terminal [ROA, ROB] Function Selection (E27), and configure a sequence that, for ex-
ample, stops control.
To judge that the speed deviation is within the setting range, allocate "71: DSAG (speed agree-
ment)."
6-2-3

Adjustments for V/f Control with Speed Feedback

You can adjust the V/f control with speed feedback function with the gain settings shown below.
However, the function cannot be adjusted when using a motor that causes an extremely large slip
(10% of the rated rotation speed or higher) or in applications where such a large load that causes the
motor to stall (or step out) is applied. If so, set the type and capacity of the motor again.
Parameter
No.
Speed Control 1 P Proportional
d03
Gain
d04 Speed Control 1 I Integral Time
6-14
Function Detection condition
When the speed
command (after soft-
ware start process-
ing) cannot be fol-
lowed due to a
heavy overload, for
example, and the
detection speed
drops compared with
the speed com-
mand, a PG error is
not judged.
There are no excep-
tion conditions.
When the speed
command (after soft-
ware start process-
ing) cannot be fol-
lowed due to a
heavy overload, for
example, and the
detection speed
drops compared with
the speed com-
mand, a PG error is
not judged.
There are no excep-
tion conditions.
Function name
Post-detection
processing
The excessive
speed deviation
"DSE" signal is out-
put and the inverter
continues to oper-
ate.
Inverter free-run at
ErE alarm
The excessive
speed deviation
"DSE" signal is out-
put and the inverter
continues to oper-
ate.
Inverter free-run at
ErE alarm
Data
0.1 to 200.0
0.001 to 9.999
999: Cancel integral term
M1 Series Standard Type User's Manual (I669)
Error detection width
when speed command >
F04
Even at 1st Base Frequen-
cy (F04) or higher, con-
stant at "detection width =
d21 × maximum frequen-
cy."
At 1st Base Frequency
(F04) or lower, constant at
"detection width = d21 ×
maximum frequency."
At 1st Base Frequency
(F04) or higher, "detection
width = d21 × speed com-
mand × maximum fre-
quency / base frequency."
Default da-
Unit
ta
10.0 time
0.100 s