Specifications

Comfort Reference Value – 5th Generation of STÖBER Inverters STÖBER
ANTRIEBSTECHNIK
6. Available Reference Values
KSW-28
Example
Eight preset reference values are to be used. The binary inputs BE1, BE2 and BE3 are
to be used as sources for the "preset reference source" signals 0 to 2. The array
parameters D124.X are set to:
• D124.0 = 3:BE1
• D124.1 = 5:BE2
• D124.2 = 7:BE3
The preset reference value 6 is selected (110 binary=6 dec) with the signal state of:
BE3 BE2 BE1
1 1 0
The value in D11.6 is the preset reference value.
How to link preset reference
values and ramps …
There are several ways to link the 16 preset reference values with the 16 ramp blocks.
You can select one of the methods in parameter D13 on page 3.4.1 of the Assistant
(Figure 6-6).
Figure 6-6 Link of preset reference values and ramps
• D13 = 0:preset value
Preset reference values and ramp profiles of the same parameter element are coupled
with the setting "0:preset value." This means that preset reference value 0 (D10.0,
D11.0) is used with the settings of ramp profile 0 (D20.0 to D25.0), preset reference
value 1 (D10.1, D11.1) with ramp profile 1 (D20.1 to D25.1), and so on.
• D13 = 1:ramp profile
This setting allows you to enter the number of a ramp profile in parameter D12.X for
the coupling of preset reference value and ramp profile.
Example: D12.3 = 0 means that preset reference value 3 (D11.3) is used with ramp
profile 0. This setting makes it possible to configure several preset reference values
with one ramp profile.
• D13= 2:binary signals
Deceleration and acceleration ramps are assigned to the preset reference value
independently of each other with this setting. Parameter D21.x has no function so that
you cannot set a symmetric ramp for direction to the right and direction to the left.
Allocation is binary-coded. The signal sources are selected with selectors D126.X for
accelerations and D127.X deceleration ramps. Binary inputs or a fieldbus parameter
can be selected. When fieldbus is used the signal source is provided by parameter
D210 with bit 4 to bit 7 for accelerations and bit 8 to bit 11 for deceleration ramps.
Figure 6-7 shows the relationship for the acceleration ramps. To keep things simple an
example is shown in which a choice of four acceleration ramps is available.
The signal sources for the preset reference value accelerating source select 0 and
preset reference value accelerating source select 1 are set in parameters D126.0 and
D126.1. These signals are used for the binary-coded selection of one of the ramp
profiles 0 to 3. The parameters D22.X and D24.X are important for the selection of the
accelerations in the ramp profile. Depending on the current direction of rotation D22.X
is used for direction to the right and D24.X for direction to the left.