Yaskawa Varispeed 626M5 User Manual
Page 170
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
Signal Adjust-
Constant to finely adjust the speed signal so that the actual speed and
speedometer display agree. When the value of SM
ADJ
increases,
Yes
1 00
1.50
C1-16
*
2
Signal Adjust-
ment Value
SM
ADJ
speedometer display agree. When the value of SM
ADJ
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 Adjustment
This constant makes fine adjustments so that the torque reference and
the load meter display agree. When the value of LM
ADJ
increases, meter
Yes
1 00
1.50
C1-17
*
2
nal Adjustment
Value
LM
ADJ
the load meter display agree. When the value of LM
ADJ
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
Yes
%
200
500
C1-18
*
2
Meter Full Scale
LM
FS
be 100%. The full scale value depends on machine specifications.
Yes
%
200
120
C1 19
Zero Speed
Detection Level
Detection level of zero-speed signal (ZSPD). Standard setting is 30
min
−1
Yes
min
−1
30
60
C1-19
Detection Level
ZS
LVL
min
−1
.
Yes
min
−1
30
3
C1 20
Speed Agree
Signal Detection
Detection width of speed-agree signal at rated speed. Standard setting is
15%.
Yes
%
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)
Yes
%
10
100
C1-21
Signal Level
SD
LVL
tion. Expressed as a percent of the motor rated speed (C1-26).
Yes
%
10
0
C1 22
Speed Detection
Signal Detection
Hysteresis width adjustment level of speed signal detection. During
acceleration, SDLVL + SDHYS is detected. During deceleration,
Yes
%
1 00
10.00
C1-22
Signal Detection
Width
SD
HYS
acceleration, SDLVL + 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 Signal Op-
Torque detection signal (TDET) activation level used to detect abnormal
loads. Expressed as a percent of the 30-minute rated torque. Hysteresis
Yes
%
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
Torque Limit
Torque limit using external torque limit signals (TLL and TLH).
Expressed as a percent of the 30 minute rated torque
Yes
%
10
120
C1-24
Torque Limit
Level TL
EXT
Expressed as a percent of the 30-minute rated torque.
Yes
%
10
5
C1 25
Motor Code
Selection MTR
Select applicable motor from the motor codes stored in Inverter memo-
ry. Expressed in 3-digit hexadecimal (0 to F). 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
100
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
valid when H gear is selected (i.e., HGR and 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
valid when M gear is selected (i.e., MGR is ON).
Gear ratio = Load shaft speed ÷ Motor speed
No
---
1.0000
0.0400
C1 29
Gear Ratio 3 (L)
R
LGR
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
valid when L gear is selected (i.e., LGR is 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