Siemens SINUMERIK 840DE

Feedrate Control and Spindle Motion
7.4 Positioning spindles (position-controlled axis operation) (SPOS, M19 and SPOSA)
Fundamentals
7-12 Programming Manual, 10.2004 Edition, 6FC5 298-7AB00-0BP1
Programming
SPCON or SPCON(n) activate position control
Or
SPCOF or SPCOF(n) deactivate position control, switch to speed control
Or
SPCON(n, m, 0) activate position control for multiple spindles in a set
Or
SPCOF(n, m, 0) deactivate position control for multiple spindles in a block
Parameters
SPCON
SPCON(n)
Switch master spindle or spindle number n from speed
control to position control
SPCOF
SPCOF(n)
Switch master spindle or spindle number n back from
position control to speed control
SPCON
SPCON(n, m, 0)
Several spindles with number n can be switched from speed
control to position control in one block
SPCOF
SPCOF(n, m, 0)
Several spindles with number n can be switched from
position control to speed control in one block
n
m
Integers from 1 ... n of spindle number
Integers from 1 ... m of master spindle
Further information
SPCON has modal action and remains valid until SPCOF.
The speed is specified with S... For the directions of rotation and spindle stop M3, M4 and
M5 apply.
With synchronized spindle setpoint value linkage, the master spindle must be operated in
position control mode.
7.4 Positioning spindles (position-controlled axis operation) (SPOS, M19
and SPOSA)
Function
With SPOS, M19 and SPOSA, you can position spindles at specific angular positions, e.g.,
during tool change. In order to synchronize spindle movements, WAITS can be used to wait
until the spindle position is reached.