Specifications
YASKAWA Inverter Drive A1000 – Crane Software Application Manual 
63 
No.  Parameter Name  Default 
Setting 
Value 
No.  Parameter Name  Default 
Setting 
Value 
H5-05  Conmm. Faulte Detection Selection    1    L3-20  DC Bus Voltage Tuning Gain    0.30   
H5-06  Drive Transmit Wait Time    5    L3-21  Accel/Decel Rate Calculation Gain  1.00   
H5-07  RTS Control Selection  1    L3-23 
Automatic Reduction Selection for Stall Prevention 
during Run   
0 
H5-09  Communication Error Detection Time    2.0    L3-24 
Motor Acceleration Time for 
Inertia Calculations 
0.178 
H5-10 
Unit Selection for MEMOBUS/Modbus Register 
0025H 
0    L3-25  Load Inertia Ratio    1.0   
H5-11  Communications ENTER Function Selection  0    L3-26  Additional DC Bus Capacitors  0   
H5-12  Run Command Method Selection    0    L3-27  Stall Prevention Detection Time    50   
H6-01  Pulse Train Input Function Selection    0    L4-01  Frequency Detection Level    0.0   
H6-02  Pulse Train Input Scaling    1440    L4-02  Frequency Detection Width    2.0   
H6-03  Pulse Train Input Gain    100.0    L4-03 
Frequency Detection Level (+/ 
-
) 
0.0 
H6-04  Pulse Train Input Bias    0.0    L4-04 
Frequency Detection Width (+/ 
-
) 
2.0 
H6-05  Pulse Train Input Filter Time    0.10    L4-05  Frequency Reference Loss Detection Selection  0   
H6-06  Pulse Train Monitor Selection    102    L4-06  Frequency Reference at Reference Loss  80.0   
H6-07  Pulse Train Monitor Scaling    1440    L4-07  Speed Agreement Detection Selection  0   
H6-08  Pulse Train Input Minimum Frequency    0.5    L7-01  Forward Torque Limit    200   
L1-01  Motor Protection Function Selection    1    L7-02  Reverse Torque Limit    200   
L1-02  Motor Protection Operation Time    1.0    L7-03  Forward Regenerative Torque Limit    200   
L1-03 
Motor Overheat Alarm Operation Selection (PTC 
input) 
3    L7-04  Reverse Regenerative Torque Limit    200   
L1-04  Motor Overheat Operation Selection    1    L7-06  Torque Limit Integral Time Constant  200   
L1-05  Motor Temperature Input Filter Time Constant    0.20    L7-07 
Torque Limit Control Method Selection during 
Accel/Decel 
0 
L1-13  Continuous Electrothermal Operation Selection  1    L8-01 
Internal Dynamic Braking Resistor Protection 
Selection (ERF type) 
0 
L2-05  DC Bus Undervoltage Detection Level    190    L8-02  Overheat Alarm Level    115   
L3-01  Stall Prevention Selection during Acceleration  1    L8-03  Overheat Pre-Alarm Operation Selection    3   
L3-02  Stall Prevention Level during Acceleration  150    L8-05  Input Phase Protection Selection    1   
L3-03  Stall Prevention Limit during Acceleration  50    L8-07  Output Phase Protection Selection    1   
L3-04  Stall Prevention Selection during Deceleration  0    L8-08  Output Phase Detection Level    5.0   
L3-05  Stall Prevention Selection during Run  1    L8-09  Ground Protection Selection    1   
L3-06  Stall Prevention Level during Run  160    L8-10  Heatsink Cooling Fan Operation Selection    0   
L3-11  Overvoltage Suppression Function Selection  0    L8-11  Heatsink Cooling Fan Off Delay Time  60   
L3-17 
Target DC Bus Voltage for Overvoltage 
Suppression and Stall Prevention 
375v    L8-12  Ambient Temperature Setting  40   










