6
4
13
KEB COMBIVERT F5-M / S
Name: Basis
12.05.04
Section
Page
Date
©
KEB Antriebstechnik, 2002
All Rights reserved
Chapter
Functional Desription
Setpoint- and Ramp Adjustment
6
(oP. 10)
-100%
+100%
(oP.14)
(oP.11)
The unit differentiates between two setpoint adjustments:
ï
the setpoint adjustment in percent
With the adjusted setpoint limits the speed range 0%...100% is defined. In
this case the adjustment 0% corresponds to the minimal speed and 100%
to the maximal speed. The speed after the setpoint limiting is calculated
according to following formula:
positive setpoint = oP.6 + (setpoint adjustment [%] x
oP.10-oP.6
)
100%
negative setpoint = oP.7 + (setpoint adjustment [%] x
oP.11-oP.7
)
100%
ï
the absolute setpoint adjustment, i.e. the setpoint is directly adjusted as
speed and limited through the corresponding minimal and maximal values
as well as through the absolute maximal value.
The setpoint sources are assigned as follows:
Setpoint adjustment in percent
Absolute setpoint adjustment
Terminal strip (analog setpoint)
Keyboard/Bus absolute
Keyboard/Bus in %
Set speed value SY.52
Motorpoti
Speed measurement
Technology controller
6.4.6
Setpoint Calculation
+n [rpm]
-n [rpm]
Fig. 6.4.5.a Setpoint limits
Setpoint[%]
Setpoint [%]
Maximal value
forward
Absolute maximal
value forward
Maximal value
reverse