Specifications
YASKAWA Inverter Drive A1000 – Crane Software Application Manual 
24 
Access Level <1> 
No.  Parameter Name 
Setting 
Range 
Units  Default  Description 
During 
Run 
V/f 
V/f 
with PG 
OLV  CLV 
MEMOBU
S 
Address 
S3-03 
Impact Stop Detection Torque 
(FWD) <IFOT> 
0 to 
200 
1%  100 
Torque at which impact stop is detected in the 
FWD direction when drive is running at creep 
frequency 
  A  A  A  A  699H 
S3-04 
Impact Stop Detection Torque 
(REV) <IROT> 
0 to 
200 
1%  100 
Torque at which impact stop is detected in the 
REV direction when drive is running at creep 
frequency 
  A  A  A  A  69AH 
Impact Stop 
S3-05 
Impact Stop Detection Time 
<TIOT> 
0.0 to 
2.0 
0.1 s  0.3 
Time during which torque reference must be 
above FWD / REV detection torque for impact 
stop to be detected and activated. 
  A  A  A  A  69BH 
S4-01  Ultra Lift Control Selection  0 to 2 
- 
0 
0: Ultra Lift Control disabled 
1: Ultra Liftt Control 1 enabled 
2: Ultra Lift Control 2 enabled 
  A  A  A  A  69CH 
S4-02 
Ultra Lift 1 Max. Frequency (FWD) 
<FAMF> 
40.0 to 
200.0 
0.1 Hz  60.0 
Maximum output frequency in FWD direction 
when Ultra Lift 1 function is activated 
  A  A  A  A  69DH 
S4-03 
Ultra Lift 1 Max. Frequency (REV) 
<FAMR> 
40.0 to 
200.0 
0.1 Hz
60.0 
Maximum output frequency in REV direction 
when Ultra Lift 1 function is activated 
  A  A  A  A  69EH 
S4-04 
Ultra Lift 1 Detection Torque 
(FWD) <IFAT> 
0 to 
200 
1%  50 
Torque threshold in the FWD direction for 
activation of Ultra Lift 1 function as a % of 
motor rated torque 
  A  A  A  A  69FH 
S4-05 
Ultra Lift 1 Detection Torque 
(REV) <IRAT> 
0 to 
200 
1%  50 
Torque threshold in the REV direction for 
activation of Ultra Lift 1 function as a % of 
motor rated torque 
  A  A  A  A  6A0H 
S4-06 
Ultra Lift 1 Detection Frequency 
<FAD> 
40.0 to 
60.0 
0.1 Hz  60.0 
Output frequency at which the Ultra Lift 1 
torque threshold detection is activated 
  A  A  A  A  6A1H 
S4-07  Ultra Lift 1 Detection Time <TA> 
0.0 to 
10.0 
0.1 s  1.0 
Time during which the torque reference must 
be below the torque threshold (FWD / REV) 
for Ultra Lift 1 function to be activated. 
  A  A  A  A  6A2H 
S4-08 
Ultra Lift 2 Activation Frequency 
<FAM2> 
0 to 
200 
1 Hz  50 
Output frequency from which Ultra Lift 2 
function can be activated. 
  -  -  A  A  6A3H 
S4-09 
Ultra Lift 2 Motoring Limit Start 
Level <LGS> 
0 to 
200 
1%  50 
Output power at which the acceleration rate is 
reduced, set as a % of the motor rated power 
  -  -  A  A  6A4H 
S4-10 
Ultra Lift 2 Motoring Hold Level 
<LGH> 
0 to 
200 
1%  100 
Output power at which acceleration is 
stopped, set as a % of motor rated power 
  -  -  A  A  6A5H 
S4-11 
Ultra Lift 2 Regen Limit Start Level 
<LRS> 
0 to 
200 
1%  10 
Output power during regeneration at which the 
acceleration rate is reduced, set as a % of the 
motor rated power 
  -  -  A  A  6A6H 
S4-12 
Ultra Lift 2 Regen Hold Level 
<LRH> 
0 to 
200 
1%  100 
Output power during regeneration at which 
acceleration is stopped, set as a % of motor 
rated power 
  -  -  A  A  6A7H 
S4-13  Ultra Lift 2 Limit Timer <TA2> 
0.1 to 
10.0 
0.1 s  1.0 
Timer that limits acceleration reduction or hold 
during Ultra Lift 2 function 
  -  -  A  A  6A8H 
S4-14 
Ultra Lift 2 Fault Operation 
Selection 
0 to 3  -  2 
0: Ramp to stop 
1: Coast to stop 
2: Emergency stop 
3: Acceleration Prohibited 
  -  -  A  A  6A9H 
S4-15 
Ultra Lift 2 Fault Detection Level 
<LEA2> 
0 to 
200 
1%  150 
Ouput power threshold to trigger an oL6 fault 
during Ultra Lift 2 function, set as a % of motor 
rated power 
  -  -  A  A  6AAH 
S4-16 
Ultra Lift 2 Fault Detection Time 
<TEA2> 
0.0 to 
10.0 
0.1 s  0.1 
Time during which ouput power must be 
above the output power threshold before an 
oL6 fault is triggered. 
  -  -  A  A  6ABH 
S4-17 
Ultra Lift 2 Accel Time Gain 
<GAT> 
1.0 to 
10.0 
  2.0 
Acceleration time gain factor. When Ultra Lift 2 
is enabled, acceleration time becomes C1-01 * 
S4-17 
  -  -  A  A  6ACH 
S4-18 
Ultra Lift 2 Operation Selection 
during Regeneration 
0, 1  -  0 
0: Disabled 
1: Enabled 
  -  -  A  A  6ADH 
S4-19  Ultra Lift 1 Torque Bias (FWD) 
-50.0 to 
50.0 
0.1%  0.0 
Sets the mechanical losses for the crane in 
the FWD rotating direction as a % of motor 
rated torque 
  -  -  A  -  6AEH 
S4-20  Ultra Lift 1 Torque Bias (REV) 
-50.0 to 
50.0 
1.0%  0.0 
Sets the mechanical losses for the crane in 
the REV rotating direction as a % of motor 
rated torque 
  -  -  A  -  6AFH 
Ultra Lift 
S4-21 
Ultra Lift 2 Deceleration Width for 
oL6 
0.0 to 
10.0 
0.1 Hz  0.0 
Frequency width for deceleration when oL6 
fault occurs 
  -  -  A  -  6BDH 
<1>  Access Levels  A: Advanced Programming Menu  Q: Quick Setting Menu  -: N/A in this Control Mode 










