YASKAWA VS-656MR5

10.1 User Constants
10-3
Table 10.1 User Constants (continued)
Con-
stant
No.
Name Explanation Change
*
1
Unit Standard
Setting
Upper
Limit/
Lower
Limit
C1-13
to
--- ---
---
to
C1-15
--- --- ---
---
C1 16
*
2
Speedometer
Si
g
nal Ad
j
ust-
Constant to finely adjust the speed signal so that the actual speed and
s
p
eedometer dis
p
la
y
a
g
ree. When the value of SM
ADJ
increases,
Y
es
100
1.50
C1-16
*
2
Signal
Adjust-
ment Value
SM
ADJ
speedometer
display
agree
.
When
the
value
of
SM
A
D
J
increases
,
speedometer indication also increases. A 10-V output is the standard
value at rated speed (C1-26).
Yes --- 1.00
0.90
C1 17
*
2
Load Meter Sig-
nal Ad
j
ustment
This constant makes fine adjustments so that the torque reference and
the load meter dis
p
la
y
a
g
ree. When the value of LM
ADJ
increases, meter
Y
es
100
1.50
C1-17
*
2
nal
Adjustment
Value
LM
ADJ
the
load
meter
display
agree
.
When
the
value
of
LM
A
D
J
increases
,
meter
needle indication also increases. A 10-V output is the standard value at
120% of rated torque for 30 min.
Yes --- 1.00
0.90
C1 18
*
2
Load Factor
Meter
Full
Scale
Sets the load meter full scale value when continuous torque is taken to
be
100%
The
full
scale
value
depends
on
machine
specifications
Y
es
%
200
500
C1-18
*
2
Meter Fu
ll
Sca
l
e
LM
FS
b
e 100
%
.T
h
efu
ll
sca
l
eva
l
ue
d
epen
d
s on mac
hi
ne spec
i
f
i
cat
i
ons.
Yes % 200
120
C1 19
Zero Speed
Detection
Level
Detection level of zero-speed signal (ZSPD). Standard setting is 30
min
−1
Y
es
min
−
1
30
60
C1-19
Detect
i
on Leve
l
ZS
LVL
m
i
n
−
1
.
Yes min
−
1
30
3
C1 20
Speed Agree
Si
g
nal Detection
Detection width of speed-agree signal at rated speed. Standard setting is
15%.
Y
es
%
15
50
C1-20
Signal
Detection
Width
AGR
BD
15%
.
Yes % 15
10
C1 21
Speed Detection
Signal
Level
Speed detection signal (SDET) activation level used for winding selec-
tion
Expressed
as
a
percent
of
the
motor
rated
speed
(C1 26)
Y
es
%
10
100
C1-21
S
i
gna
l
Leve
l
SD
LVL
t
i
on. Expresse
d
as a percent of t
h
e motor rate
d
spee
d
(
C1-26
)
.
Yes % 10
0
C1 22
Speed Detection
Si
g
nal Detection
Hysteresis width adjustment level of speed signal detection. During
acceleration, SDLVL + SDHYS is detected. Durin
g
deceleration,
Y
es
%
100
10.00
C1-22
Signal
Detection
Width
SD
HYS
acceleration
,
SDL
VL
+
SDHYS
is
detected
.
During
deceleration
,
SDLVL − SDHYS is detected. Expressed as a percent of the motor rated
speed (C1-26).
Yes % 1.00
0.00
C1 23
Torque Detec-
tion Si
g
nal O
p
-
Torque detection signal (TDET) activation level used to detect abnormal
loads. Ex
p
ressed as a
p
ercent of the 30-minute rated tor
q
ue. H
y
steresis
Y
es
%
10
120
C1-23
tion
Signal
Op-
eration Level
TD
LVL
loads
.
Expressed
as
a
percent
of
the
30-minute
rated
torque
.
Hysteresis
width is limited to ±10%.
Yes % 10
5
C1 24
External Control
T
orque
Limit
Torque limit using external torque limit signals (TLL and TLH).
Expressed
as
a
percent
of
the
30 minute
rated
torque
Y
es
%
10
120
C1-24
Torque L
i
m
i
t
Level TL
EXT
Expresse
d
as a percent of t
h
e 30-m
i
nute rate
d
torque.
Yes % 10
5
C1 25
Motor Code
Selection MTR
Select applicable motor from the motor codes stored in Inverter memo-
r
y
.Ex
p
ressed in 3-di
g
it hexadecimal
(
0toF
)
. When the motor code is
No
1FF
C1-25
Selection
MTR
ry
.
Expressed
in
3-digit
hexadecimal
(0
to
F)
.
When
the
motor
code
is
changed, be sure to turn OFF the power once; and then turn it ON again
after verifying that the Digital Operator display has gone OFF.
No --- ---
001
C1-26
Rated Speed
S
100
Rated speed set according to load machine specifications. Must not be
greater than the motor maximum speed. When speed reference is 100%,
hi
d
i
li d
No min
−1
Max.
speed
Max.
speed
C1 26
1
0
0
g
p
p
,
this speed is applied.
No
min
speed
100
C1 27
Gear Ratio 1
(H)
Gear ratio determined by mechanical specifications. This parameter is
valid
when
H
gear
is
selected
(i e
HGR
and
MGR
are
OFF)
No
1 0000
2.5000
C1-27
(H)
R
HGR
va
lid
w
h
en
H
gear
i
sse
l
ec
t
e
d
(i
.e.,
HGR
an
d
MGR
are
OFF)
.
Gear ratio = Load shaft speed ÷ Motor speed
No --- 1.0000
0.0400
C1 28
Gear Ratio 2
(M)
Gear ratio determined by mechanical specifications. This parameter is
valid
when
M
gear
is
selected
(i e
MGR
is
ON)
No
1 0000
2.5000
C1-28
(M)
R
MGR
va
lid
w
h
en
M
gear
i
sse
l
ec
t
e
d
(i
.e.,
MGR
i
s
ON)
.
Gear ratio = Load shaft speed ÷ Motor speed
No --- 1.0000
0.0400
C1 29
Gear Ratio 3 (L)
R
L
G
R
Gear ratio determined by mechanical specifications. This parameter is
valid
when
L
gear
is
selected
(i e
LGR
is
ON)
No
1 0000
2.5000
C1-29
R
LGR
va
lid
w
h
en
L
gear
i
sse
l
ec
t
e
d
(i
.e.,
LGR
i
s
ON)
.
Gear ratio = Load shaft speed ÷ Motor speed
No --- 1.0000
0.0400
C1 30
Motor Flux
Lower Limit
Set value of motor flux lower limit level at reduction control
No
%
15
100
C1-30
Lower
Limit
Level
φ
WL
No % 15
15
10