Siemens 125-3208 operating instructions Rated Motor Frequency, Rated Motor Speed

Models: 125-3208

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Rated Motor Frequency

Startup Procedures

Parameter

Description

 

 

Action

Setting/

 

 

Default

 

 

 

 

 

 

 

 

 

 

 

P0310*

Rated Motor Frequency

1.

Press

to advance to

Setting =

 

 

Motor

 

 

 

parameter P0310.

 

12 Hz to 650 Hz

 

nameplate 60

 

 

 

 

 

Hz

 

Rated motor frequency (Hz) from

2.

Press

to access the

Default =

 

motor nameplate.

 

parameter values level.

 

 

 

 

 

50 Hz/60 Hz

 

Pole pair number is recalculated

3.

Press

to advance to

Default is

 

automatically if the parameter is

 

changed.

 

nominal frequency (60 Hz).

dependent on

 

 

 

 

 

the setting of

 

 

 

 

 

the motor

 

 

4.

Press

to confirm and save

frequency and

 

 

 

the setting.

unit of

 

 

 

 

 

measurement

 

 

 

 

 

DIP switches.

 

 

 

 

 

 

P0311*

Rated Motor Speed

1.

Press

to advance to

Setting =

 

 

Motor

 

 

 

parameter P0311.

 

0 to 40,000 1/min

 

nameplate

 

Rated motor speed (rpm) from

2.

Press

to access the

Default =

 

motor nameplate.

 

parameter values level.

Varies by

 

 

 

 

 

model

 

A setting of 0 causes an internal

3

Press

to advance to

 

 

calculation of this value.

 

 

 

 

nominal motor speed.

 

 

Vector control and V/f control

 

 

 

 

 

with speed controller require this

4.

Press

to confirm and save

 

 

value.

 

 

 

the setting.

 

 

 

 

 

 

Slip compensation in V/f control

 

 

 

 

 

requires this value for correct

 

 

 

 

 

operation.

 

 

 

 

 

Pole pair number is recalculated

 

 

 

 

 

automatically if the parameter is

 

 

 

 

 

changed.

 

 

 

 

 

 

 

 

 

 

* Motor related

parameters.

 

 

 

 

Siemens Building Technologies, Inc.

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Page 33
Image 33
Siemens 125-3208 operating instructions Rated Motor Frequency, Rated Motor Speed