Mitsubishi Electric M800 Series Manual page 546

M800/M80/E80/C80 Series Alarm/Parameter Manual
16 Machine Parameters
#2246 SV046 FHz2
Set the vibration frequency to suppress when machine vibration occurs.
(Normally, do not set 80 or less.)
Set to "0" when not using.
Related parameters: SV033/bit7-5, SV115
---Setting range---
0 to 5000 (Hz)
#2247 SV047 EC
Set the inductive voltage compensation gain. Standard setting value is "100".
If the current FB peak exceeds the current command peak, lower the gain.
---Setting range---
0 to 200 (%)
#2248 SV048 EMGrt
Input the time required to prevent the vertical axis from dropping by delaying READY OFF until the brake
works at an emergency stop.
Increase in increments of 100ms at a time, find and set the value where the axis does not drop.
When using a motor with a break of HG(-H) Series and HQ-H Series, set to "200ms" as a standard.
When the pull up function is enabled (SV033/bitE=1), the pull up is established during the drop prevention
time.
(Note) Set the vertical axis drop prevention time even if a motor with a break is not used with the drive unit
axis connected to CN4 connector of the power supply unit.
Related parameters: SV033/bitE, SV055, SV056
---Setting range---
0 to 20000 (ms)
The vertical axis pull up is not executed when "0" is set.
#2249 SV049 PGN1sp
Set the position loop gain during spindle synchronization control (synchronous tapping and synchronization
control with spindle C-axis).
Set the same value as that of the position loop gain for spindle synchronous tapping control.
When performing the SHG control, set this parameter with SV050 (PGN2sp) and SV058 (SHGCsp).
When changing the value, change the value of "#2017 tap_g Axis servo gain".
---Setting range---
1 to 200 (rad/s)
#2250 SV050 PGN2sp
When using SHG control during spindle synchronous control (synchronous tapping and synchronization con-
trol with spindle C-axis), set this parameter with SV049 (PGN1sp) and SV058 (SHGCsp).
Make sure to set the value 8/3 times that of SV049.
When not using the SHG control, set to "0".
---Setting range---
0 to 999 (rad/s)
#2251 SV051 DFBT
Set the control time constant in dual feed back.
When "0" is set, it operates at 1ms.
The higher the time constant is, the closer it gets to the semi-closed control, so the limit of the position loop
gain will be raised.
For linear servo/direct-drive motor system
Not used. Set to "0".
Related parameters: SV017/bit1, SV052
---Setting range---
0 to 9999 (ms)
Notch filter frequency 2
Inductive voltage compensation gain
Vertical axis drop prevention time
Position loop gain 1 in spindle synchronous control
Position loop gain 2 in spindle synchronous control
Dual feedback control time constant
529 IB-1501279-H