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2 selection of command/frequency setpoint p0719 – Siemens MICROMASTER 420 User Manual

Page 46

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3 Functions

Issue 07/04

MICROMASTER 420 Operating Instructions

46

6SE6400-5AA00-0BP0

3.1.2.2

Selection of command/frequency setpoint P0719

Parameter P0719 represents a combination of the functionalities of the two
parameters P0700 and P1000. Here, it is possible to changeover the command
source as well as also the frequency setpoint source via a parameter change.
Contrary to P0700 and P1000, for parameter P0719, the subordinate (lower-level)
BICO parameters are not changed. This characteristic/feature is especially used by
PC tools in order to briefly retrieve the control authority for the drive without having
to change the existing BICO parameterization. Parameter P0719 "Selection of
command/frequency setpoint" comprises the command source (Cmd) and the
frequency setpoint (setpoint).

Table 3-4

Parameter P0719

Significance

Parameter values

Command source

Setpoint source (frequency source)

0

Cmd = BICO parameter

Setpoint = BICO parameter

1

Cmd = BICO parameter

Setpoint = MOP setpoint

2

Cmd = BICO parameter

Setpoint = Analog setpoint

3

Cmd = BICO parameter

Setpoint = Fixed frequency

4

Cmd = BICO parameter

Setpoint = USS BOP link

5

Cmd = BICO parameter

Setpoint = USS COM link

6

Cmd = BICO parameter

Setpoint = CB COM link

10

Cmd = BOP

Setpoint = BICO parameter

11

Cmd = BOP

Setpoint = MOP setpoint

12

Cmd = BOP

Setpoint = Analog setpoint

..

.. ..

..

.. ..

64

Cmd = CB on COM link

Setpoint = USS on BOP link

66

Cmd = CB on COM link

Setpoint = USS on COM link


NOTE

The complete list of all of the possible settings can be taken from the parameter
list (refer to the parameter list, P0719).

Contrary to parameter P0700 and P1000, subordinate BICO parameters are not
changed for parameter P0719. This characteristic/feature can be used during
service if the control authority must be briefly and quickly re-assigned (e.g.
selecting and executing the motor data identification routine using a PC-based
tool).