Fig. 3-7 Example: Changeover From Motor 1 To Motor 2; Fig. 3-8 Example: Changing-Over Between The Control And Setpoint (Frequency) Source; Data Sets - Siemens MICROMASTER 440 Operating Instructions Manual

Issue 10/06
3.1.3

Data sets

For many applications it is advantageous if several parameters can be
simultaneously changed, during operation or in the ready state, using an external
signal.
Examples:
The drive inverter should be switched-over from motor 1 to motor 2.
Fig. 3-7
The control source (e.g. terminal → BOP) or setpoint (frequency) source (e.g.
ADC → MOP) should be changed-over using a terminal signal (e.g. DIN4) as
function of an external event (e.g. the higher-level control unit fails). A typical
example in this case is a mixer, which may not come to an uncontrolled stop
when the control fails.
Fig. 3-8
This functionality can be elegantly implemented using indexed parameters (refer to
Section 3.1.1). In this case, as far as the functionality is concerned, the parameters
are combined to form groups / data sets and are indexed. By using indexing,
several different settings can be saved for each parameter which can be activated
by changing-over the data set (i.e. toggling between data sets).
The following data sets apply:
CDS Command Data Set
DDS Drive Data Set
MICROMASTER 440 Operating Instructions
6SE6400-5AW00-0BP0
MM4
Example: Changeover from motor 1 to motor 2
Control source:
Setpoint (frequency source):
P0810 = 722.3
DIN4
P0700[0] = 2
Terminals
P0700[1] = 1
BOP
P1000[0] = 2
ADC
P1000[1] = 1
MOP
Example: Changing-over between the control and setpoint (frequency)
source
Motor 1
M1
Motor 2
M2
Terminal → BOP
→ MOP
ADC
0
Sequence control
1
0
Setpoint
channel
1
3 Functions
Motor
control
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