YASKAWA CIMR-ACA4011 Instruction Manual page 142

Varispeed ac, matrix converter for environmentally friendly motor drives
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Name
Parameter
Number
Display
Stall Prevention
Level During Run
L3-06
StallP Run Level
Stall prevention
level during decel
L3-14
StallP Decel Lvl
L4: Reference Detection
Name
Parameter
Number
Display
Speed Agreement
Detection Level
L4-01
Spd Agree Level
Speed Agreement
Detection Width
L4-02
Spd Agree Width
Speed Agreement
Detection
Level(+/-)
L4-03
Spd Agree Lvl +-
Speed Agreement
Detection Width
(+/-)
L4-04
Spd Agree Wdth
+-
Frequency Refer-
ence Loss Detec-
tion Selection
L4-05
Ref Loss Sel
-46
5
Description
This parameter is enabled when L3-05 is
set to "1" or "2". MxC rated current is set
as 100%.
Decrease the set value if stalling or exces-
sive current occurs with the defaults.
Enabled if L3-04 is set to 1.
Set the level as a percentage of the MxC
rated current.
Usually setting is not necessary. Lower
the value if the motor stalls at the default.
Description
Effective when "Desired frequency
(speed) agree 1," "Frequency (FOUT)
detection 1," or "Frequency (FOUT)
detection 2" is set for a multi-function
output.
Frequencies to be detected are set in Hz
units.
Effective when "Frequency (speed) agree
1," "Frequency (FOUT) agree 1," or
"Frequency (FOUT) detection 2" is set
for a multi-function output.
Sets the frequency detection width in Hz
units.
Effective when "Desired frequency
(speed) agree 2," "Frequency (FOUT)
detection 3," or "Frequency (FOUT)
detection 4" is set for a multi-function
output.
Frequency that should be detected is set
in Hz units.
Effective when "Frequency (speed) agree
2," "Frequency (FOUT) detection 3," or
"Frequency detection 4" is set for a multi-
function output.
Frequency detection width is set in Hz
units.
0: Stop (Operation follows the frequency
reference.)
1: Operation at 80% speed continues.
(At 80% of speed before the fre-
quency reference was lost)
Frequency reference is lost: Frequency
reference dropped over 90% in 400 ms.
Control
Methods
Change
Setting
Default
during
Open
Range
Run
V/f
Loop
Vector
30 to
160%
No
A
200
100 to
150%
No
A
200
Control
Methods
Change
Setting
Default
during
Open
Range
Run
V/f
Loop
Vector
0.0 to
0.0 Hz
No
A
120.0
0.0 to
2.0 Hz
No
A
20.0
-120.0
to
0.0 Hz
No
A
+120.0
0.0 to
2.0 Hz
No
A
20.0
0 or 1
0
No
A
MEMO-
BUS
Page
Flux
Register
Vector
4-17
No
No
494H
6-43
A
A
4E9H
6-23
MEMO-
BUS
Page
Flux
Register
Vector
A
A
499H
6-44
A
A
49AH
6-44
A
A
49BH
6-44
A
A
49CH
6-44
A
A
49DH
6-64

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