Lenze E82xVxxxKxxxxx - Manual (Page 514)

Application examples
Setpoint summation (basic and additional load operation)
15
l
514 EDS82EV903 EN 3.0
15.5 Setpoint summation (basic and additional load operation)
Conveyors, pumps, etc. are often operated at a speed which is increased if necessary.
The speed is set by selection of a main and additional setpoint. The setpoints can have
different sources (e.g. PLC or setpoint potentiometer). The controller adds both analog
setpoints and increases the motor speed accordingly.
For smooth acceleration, acceleration and deceleration ramps of both setpoints can be
adjusted. The main setpoint ramps can have a S−shape.
Application−specific configuration
ƒ Basic settings.
ƒ Setpoint summation configuration: Assign the setpoints to be added to C0412/1
and C0412/3. (
¶ 328)
ƒ If necessary, adjust the main setpoint ramps under C0182. (
¶ 286)
)
Note!
ƒ Possible ways to select a setpoint: ( ¶ 296 ff)
ƒ The additional setpoint can be displayed under C0049 (alternatively:
C0412/3 = 0).
ƒ With controllers with standard I/O, the main setpoint must be selected via
PC, keypad, JOG frequency or the function "Motor potentiometer" because
there is only one analog input available.
ƒ If you use an application I/O, the additional setpoint can be switched on and
off during operation ( (C0410/31
¹ 0)
0
1
2
3 4
K35.82M001
Fig. 15−5 Principle of setpoint summation
0 Main setpoint
1
Additional setpoint
2 S−ramps
3
motor
4 speed