Rockwell Automation 8520-ARM2 9/Series CNC AMP Reference Manual Documentation Set - Manual (Page 332)

Spindle 1 Parameters
Chapter 12
12-4
Function
This parameter determines whether the DAC output is a gradual voltage
ramp or a voltage step. For this parameter:
If you select: then:
ON any change in DAC output voltages is made as a ramp-up or ramp-down.
The actual spindle ramp duration is selected using the Dev. Detection
Filter Time parameter (if your system does not have the solid tapping
option). The actual spindle ramp duration is selected using the ACC time
for Spindle 1, Gear __ if your system has the solid tapping feature (this is
used if your system has the solid tapping option and does not mean you
must be using the solid tapping feature to get the ramp). The max speed
for the ramp is determined from your setting of MAX. Spindle Speed-Gear
__ . Thus a different ramp is created for each gear range.
OFF changes in DAC output voltages are made immediately as one step
50 100 150 Duration (in ms)
LINEAR
Acceleration
ACC/DEC Ramp
(4 rpm/ms)
Max Spindle Speed
for Gear - 1
600RPM
0
If your system: Your ramp duration is set with: Your RPM max over that duration is
set with
has the solid tapping
option
ACC time for Spindle 1, Gear __
(in solid tapping parameter group)
Max Tapping Speed -- Gear __
(in solid tapping parameter group)
does not have the solid
tapping option
Spindle DAC Output Ramping
(in spindle parameter group)
Max Spindle Speed -- Gear __
(in spindle parameter group)
Spindle Parameter
Number
1 [803]
12.2
Spindle DAC Output
Ramping