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MDS-D2/DH2 Series Instruction Manual
4.2 Setting the Initial Parameters for the Servo Drive Unit
【#2255】 SV055 EMGx Max. gate off delay time after emergency stop
Set the time required between an emergency stop and forced READY OFF.
Set the maximum value "+ 100ms" of the SV056 setting value of the servo drive unit electrified by the
same power supply unit.
When executing the vertical axis drop prevention, the gate off will be delayed for the length of time
set at SV048 even when SV055's is smaller than that of SV048.
Related parameters: SV048, SV056
---Setting range---
0 to 20000 (ms)
【#2256】 SV056 EMGt Deceleration time constant at emergency stop
Set the time constant used for the deceleration control at emergency stop.
Set the time required to stop from rapid traverse rate (rapid).
The standard setting value is EMGt≤G0tL×0.9.
However, note that the standard setting value differs from the above-mentioned value when the
setting value of "#2003:smgst Acceleration and deceleration modes bit 3-0:Rapid traverse
acceleration/deceleration type" is 8 or F. Refer to Instruction Manual of the drive unit (section
"Deceleration Control") for details.
Related parameters: SV048, SV055
---Setting range---
0 to 20000 (ms)
【#2257】 SV057 SHGC SHG control gain
When performing the SHG control, set to SV003(PGN1)×6.
When not using the SHG control, set to "0".
When using the OMR-FF control, set to "0".
Related parameters: SV003, SV004
---Setting range---
0 to 1200 (rad/s)
【#2258】 SV058 SHGCsp SHG control gain in spindle synchronous control
When using SHG control during spindle synchronization control (synchronous tapping and
synchronous control with spindle C-axis), set this parameter with SV049 (PGN1sp) and SV050
(PGN2sp).
Make sure to set the value 6 times that of SV049.
When not using the SHG control, set to "0".
---Setting range---
0 to 1200 (rad/s)
【#2259】 SV059 TCNV Collision detection torque estimated gain
Set the torque estimated gain when using the collision detection function.
The standard setting value is the same as the load inertia ratio (SV037 setting value) including motor
inertia.
Set to "0" when not using the collision detection function.
Related parameters: SV032, SV035/bitF-8, SV037, SV045, SV060
<<Drive monitor load inertia ratio display>>
Set SV035/bitF=1 and imbalance torque and friction torque to both SV032 and SV045, and then
repeat acceleration/deceleration for several times.
---Setting range---
For general motor: 0 to 5000 (%)
For linear motor: 0 to 5000 (kg)