Specifications
YASKAWA Inverter Drive A1000 – Crane Software Application Manual 
11 
Access Level <1> 
  No.  Parameter Name 
Setting 
Range 
Units  Default  Description 
During 
Run 
V/f 
V/f 
with 
PG 
OLV  CLV 
MEMOBUS 
Address 
C5-01  ASR Proportional Gain 1 (P) 
0.00 to 
300.00 
-  <4> 
Sets the proportional gain of the speed 
control loop 
● - A - A 21BH 
C5-02  ASR Integral Time 1 (I) 
0.000 to 
10.000 
0.001 s  <4> 
Sets the integral time of the speed control 
loop 
● - A - A 21CH 
C5-03  ASR Proportional Gain 2 (P) 
0.00 to 
300.00 
-  <4> 
Sets the proportional gain 2 of the speed 
control loop 
● - A - A 21DH 
C5-04  ASR Integral Time 2 (I) 
0.000 to 
10.000 
0.001 s  <4> 
Sets the integral time 2 of the speed 
control loop 
● - A - A 21EH 
C5-05 
ASR Limit 
0.0 to 
20.0 
0.1% 5.0 
Sets the upper limit of the speed control 
loop as a % of maximum output 
frequency. 
 - A - - 21FH 
C5-06 
ASR Primary Delay Time 
Constant 
0.000 to 
0.500 
0.001 s  <4> 
Sets the time constant for the filter 
between speed control loop and torque 
command output. 
 - - - A 220H 
C5-07  ASR Gain Switch Frequency 
0.0 to 
400.0 
0.1 Hz  0.0 
Sets the switching frequency between 
proportional gain 1,2 and integral time 1,2 
 - - - A 221H 
C5-08 
ASR Integral Limit 
0 to 
400 
1% 400 
Sets the upper limit for the integral part of 
the speed control loop as a % of rated 
torque load. 
 - - - A 222H 
C5-12 
Integral Operation during 
Accel/Decel 
0,1 -  0 
0: Disabled. Integral functions are enabled 
only during constant speed. 
1: Enabled. Integral functions are always 
enabled, during accel/decel and during 
constant speed. 
 - A - - 386H 
C5-17 
Motor Inertia 
0.0001 
to 
600.00 
0.0001 
kgm
2
<6> 
Sets motor inertia. This value is set 
automatically during ASR or Inertia 
Auto-Tuning 
 - - - A 276H 
C5-18 
Load Inertia Ratio 
0.0 to 
6000.0 
- 
1.0 
Sets the ratio between the motor and load 
inertia. This value is set automatically 
during ASR or Inertia Auto-Tuning. 
 - - - A 277H 
C5-21 
Motor 2 ASR Proportional Gain 
1 (P) 
0.00 to 
300.00 
-  <4> 
Sets the proportional gain of the speed 
control loop for motor 2 
● - A - A 356H 
C5-22  Motor 2 ASR Integral Time 1 (I) 
0.000 to 
10.000 
0.001 s  <4> 
Sets the integral time of the speed control 
loop for motor 2 
● - A - A 357H 
C5-23 
Motor 2 ASR Proportional Gain 
2 (P) 
0.00 to 
300.00 
-  <4> 
Sets the proportional gain 2 of the speed 
control loop for motor 2 
● - A - A 358H 
C5-24  Motor 2 ASR Integral Time 2 (I) 
0.000 to 
10.000 
0.001 s  <4> 
Sets the integral time 2 of the speed 
control loop for motor 2 
● - A - A 359H 
C5-25 
Motor 2 ASR Limit 
0.0 to 
20.0 
0.1% 5.0 
Sets the upper limit of the speed control 
loop as a % of maximum output frequency 
for motor 2 
 - A - - 35AH 
C5-26 
Motor 2 ASR Primary Delay 
Time Constant 
0.000 to 
0.500 
0.001 s  <4> 
Sets the time constant for the filter 
between speed control loop and torque 
command output for motor 2 
 - - - A 35BH 
C5-27 
Motor 2 ASR Gain Switch 
Frequency 
0.0 to 
400.0 
0.1 Hz  0.0 
Sets the switching frequency between 
proportional gain 1,2 and integral time 1,2 
for motor 2 
 - - - A 35CH 
C5-28 
Motor 2 ASR Integral Limit 
0 to 
400 
1% 400 
Sets the upper limit for the integral part of 
the speed control loop as a % of rated 
torque load for motor 2 
 - - - A 35DH 
C5-32 
Integral Operation during 
Accel/Decel for Motor 2 
0,1 -  0 
0: Disabled. Integral functions for motor 2 
are enabled only during constant speed 
1: Enabled. Integral functions are always 
enabled for motor 2. 
 - A - - 361H 
C5-37 
Motor 2 Inertia 
0.0001 
to 
600.00 
0.0001 
kgm
2
<4> 
<6> 
Sets motor 2 inertia. This value is set 
automatically during ASR or Inertia 
Auto-Tuning 
 - - - A 278H 
Automatic Speed Regulator 
C5-38 
Motor 2 Load Inertia Ratio 
0.0 to 
6000.0 
- 
1.0 
Sets the ratio between the motor 2 and 
load inertia. This value is set automatically 
during ASR or Inertia Auto-Tuning. 
 - - - A 279H 
<1>  Access Levels  A: Advanced Programming Menu  Q: Quick Setting Menu  -: N/A in this Control Mode 
<4>  Default setting is determined by the control method (A1-02 or E3-01) 
<6>  Default Setting and/or Setting Range is determined by drive capacity rating 










