Setpoint/Actual-Value System; General - Siemens SINUMERIK 840D sl Function Manual

G2: Velocities, setpoint / actual value systems, closed-loop control

7.4 Setpoint/actual-value system

7.4 Setpoint/actual-value system
7.4.1

General

Control loop
A control loop with the following structure can be configured for every closed-loop controlled
axis/spindle:
Figure 7-1
Setpoint output
A setpoint telegram can be output for each axis/spindle. The setpoint output to the actuator is
realized from the SINUMERIK 840D sl.
336
$PA_FGROUP[<axis>]
$P_FGROUP_MASK
Block diagram of a control loop
Returns the value "1" if the specified axis affects the path
velocity by means of the basic setting or through FGROUP
programming. Otherwise, the variable returns the value "0".
Returns a bit key of the channel axes programmed with
FGROUP which are to affect the path velocity.
Function Manual, 01/2015, 6FC5397-0BP40-5BA2
Basic Functions