
B-65150E/04 5. DETAILS OF PARAMETERS
− 313 −
✰: Parameters set up automatically at initialization
★: Parameters that can be kept at the automatically set values
Parameter number
Series 15 Series 16, 18,
20, 21,
Power Mate
Power
Mate-E
Details
1874 2020 1020 Motor No.
Motor number that can be specified → 2.1.5 (6)
→ 2.1.2
Initial setting
1875 2021 1021 Load inertia ratio (LDINT)
Load inertia
× 256
Rotor inertia
Increase velocity loop gain parameters PK1V and
PK2V by (1 + LDINT/256) times
Adjust for individual
machines
separately.
1879
1876
1891
2022
2023
2024
1022
1023
1024
Rotation direction of the motor
Number of velocity pulse
Number of position pulse
→ 2.1.2
Initial setting
1713
1714
1715
2028
2029
2030
1028
1029
1030
Velocity enabling position gain switching
Acceleration-time velocity enabling integration
function for low speed
Deceleration-time velocity enabling integration
function for low speed
→ 4.8.1
→ 4.8.2
→ 4.8.2
1718
1719
2033
2034
−
Number of position feedback pulses
Vibration-damping control gain
→ 4.5.5
1721 2036
−
Tandem control/damping compensation gain (main
axis)
Tandem control/damping compensation phase
coefficient (sub-axis)
→ 4.17.2
1724 2039 − Stage 2 acceleration amount for two-stage backlash
acceleration
→ 4.6.5
1852
1853
1854
2040
2041
2042
1040
1041
1042
Current loop gain (PK1)
Current loop gain (PK2)
Current loop gain (PK3)
★ Motor-specific
★ Motor-specific
★ Motor-specific
1855 2043 1043 Velocity loop integral gain (PK1V)
1856 2044 1044 Velocity loop proportional gain (PK2V)
✰ Motor-specific
Adjust for individual
machines
separately.
1857 2045 1045 Velocity loop incomplete integral gain (PK3V) ✰ Motor-specific
→ 4.7
1858 2046 1046 Velocity loop gain (PK4V) ★ Motor-specific
1859 2047 1047 Observer parameter (POA1)
This parameter is adjusted when the unexpected
disturbance detection and two-stage backlash
functions are used.
NOTE: If the velocity gain (load inertia ratio) is
changed, this parameter must be re-
adjusted.
✰ Motor-specific
→ 4.6.5, 4.12
1860 2048 1048 Backlash acceleration amount ✰ → 4.6.4
1861 2049 1049 Maximum dual position feedback amplitude ✰ → 4.5.4
1862
1863
2050
2051
1050
1051
Observer gain (POK1)
Observer gain (POK2)
When only the unexpected disturbance detection
function is used, these parameters must be changed.
✰ Motor-specific
→ 4.12
1864 2052 1052 Not used
★