01/2007
11.5 Axes and spindles
11-369
© Siemens AG 2007 All Rights Reserved
SINUMERIK 840Di sl Manual (HBIsl) – 01/2007 Edition
11.5.21 Setpoint/actual value channels of spindle
Parameterization of the setpoint/actual value channels of a spindle is identical
to parameterization of the setpoint and actual value channels of an axis. See
above, Section 11.5.4, Page 11-318.
11.5.22 Gear stages
The gear stage change is generally carried out in
S MD35010: GEAR_STEP_CHANGE_ENABLE (gear stage change possible,
spindle has several gear stages)
If the machine data is not set, the system assumes that the spindle has no gear
stages.
When a spindle is in Spindle mode the NCK selects the parameter set which
corresponds with the current gear stage.
Gear stage x => parameter set (x+1) => index [x]
In Axis mode of a spindle, the NCK always selects the 1st parameter set (index
[0]), independent of the current gear stage.
The machine data listed in the following are gear stage–dependent machine
data of a spindle:
S MD35110: GEAR_STEP_MAX_VELO[n] (n
max
for gear stage change)
S MD35120: GEAR_STEP_MIN_VELO[n] (n
min
for gear stage change)
S MD35130: GEAR_STEP_MAX_VELO_LIMIT[n] (n
max
for gear stage)
S MD35140: GEAR_STEP_MIN_VELO_LIMIT[n] (n
min
for gear stage)
S MD35200: GEAR_STEP_SPEEDCTRL_ACCEL[n] (acceleration in speed–
control mode)
S MD35210: GEAR_STEP_POSCTRL_ACCEL[n] (acceleration in position
control mode)
For further information on parameter sets, see Section 11.5.13, Page 11-334.
/FB1/ Description of Functions, Basic Functions,
S1 Spindles
Section: Gear stage change
Release
gear stage change
Parameter sets
References
11 NCK Commissionin
with HMI Advanced
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