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Siemens MICROMASTER 420 User Manual

Page 71

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Issue 07/04

3 Functions

MICROMASTER 420 Operating Instructions

6SE6400-5AA00-0BP0

71

Motor data identification routine

START


Factory setting: Bold



Motortemp. - P0625

@€ ± 5 °C ?

yes

no

Ambient Motor temp.

5 °C

?

Allow the motor

to cool down




Ambient motor temperature

(entered in °C)

The motor ambient temperature is entered at the instant that motor data is
being determined (factory setting: 20 °C).

The difference between the motor temperature and the motor ambient
temperature must lie in the tolerance range of approx. ± 5 °C. If this is not
the case, then the motor data identification routine can only be carried-out
after the motor has cooled down.

P1910 = 1

Select motor data identification

0 Disabled

1 Identification of all parameters with parameter change
NOTE:
For P1910 = 1

P0340 is internally set to P0340 = 1 and the

appropriate data calculated (refer to parameter list P0340)

ON

Power-up the motor
The

ON command initiates the measuring operation. In so doing the motor aligns

itself and conducts current. Alarm message A0541 (motor data identification
routine active) is output.

A0541


After the motor data identification routine has been completed:
1. P1910 is reset (P1910 = 0)
2. A0541 is withdrawn