Boost End Frequency; Programmable V/F Freq. Coord. 1 - Siemens MICROMASTER 440 Parameter Manual

Issue 01/06
P1316[3]

Boost end frequency

CStat: CUT
P-Group: CONTROL
Defines point at which programmed boost reaches 50 % of its value. This value is expressed in [%] relative
to P0310 (rated motor frequency).
The default frequency is defined as follows:
⋅
f = 2 (
Boost min
Index:
P1316[0] : 1st. Drive data set (DDS)
P1316[1] : 2nd. Drive data set (DDS)
P1316[2] : 3rd. Drive data set (DDS)
Note:
- The expert user may change this value to alter the shape of the curve, e.g. to increase torque at a
particular frequency.
- Default value is depending on inverter type and its rating data.
Details:
See diagram in P1310 (continuous boost).
P1320[3]

Programmable V/f freq. coord. 1

CStat: CT
P-Group: CONTROL
Sets V/f coordinates (P1320/1321 to P1324/1325) to define V/f characteristic.
V
V
max
r0071
V
n
P0304
P1325
P1323
P1321
P1310
f0
0 Hz
=
P1310[V]
Index:
P1320[0] : 1st. Drive data set (DDS)
P1320[1] : 2nd. Drive data set (DDS)
P1320[2] : 3rd. Drive data set (DDS)
Example:
This parameter can be used to provide correct torque at correct frequency and is useful when used with
synchronous motors.
Dependency:
To set parameter, select P1300 = 3 (V/f with programmable characteristic).
Note:
Linear interpolation will be applied between the individual data points.
V/f with programmable characteristic (P1300 = 3) has 3 programmable points. The two non-programmable
points are:
- Continuous boost P1310 at zero 0 Hz
- Rated motor voltage P0304 at rated motor frequency P0310
The acceleration boost and starting boost defined in P1311 and P1312 are applied to V/f with
programmable characteristic.
MICROMASTER 440 Parameter List
6SE6400-5BB00-0BP0
Datatype: Float
Active: Immediately
153
+
) 3
P
motor
Datatype: Float
Active: Immediately
V = f(V , M )
max dc max
f1 f2 f3
P1320 P1322 P1324
P1310[%] r0395[%]
⋅ ⋅
P0304[V
100[%] 100[%]
Unit: %
QuickComm.: No
Unit: Hz
QuickComm.: No
f f
n max
P0310 P1082
]
Parameter Description
Level
Min: 0.0
3
Def: 20.0
Max: 100.0
Level
Min: 0.00
3
Def: 0.00
Max: 650.00
f
159