Siemens 125-3208 Selection of Frequency, Setpoint, Speed Command Source, Minimum Motor Frequency

Models: 125-3208

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Minimum Motor Frequency

SED2 VFD Electronic Bypass Option Operating Instructions

Parameter

Description

 

 

Action

Setting/

 

 

Default

 

 

 

 

 

 

 

 

 

 

 

P1000[1]**

Selection of Frequency

1.

Press

to advance to index

Setting = 1

 

Setpoint

 

 

 

 

[1], IN001, HAND.

Default = 1

 

(Speed Command Source)

 

 

 

 

 

 

 

 

 

Selects the frequency setpoint

2.

Press

to confirm index

 

 

 

selection.

 

 

 

source as follows:

 

 

 

 

 

1 = Motor potentiometer

3.

Press

to advance to 1.

 

 

setpoint/AOP

 

 

 

 

 

2 = Analog input

4.

Press

to confirm and save

 

 

 

the setting.

 

 

 

 

 

 

3 = Fixed frequency

 

 

 

 

 

4 = USS on BOP Link/AOP

5.

Press

again to return to the

 

 

 

parameter selection level.

 

 

5 = USS on COM link

 

 

 

 

 

6 = CB (Communications board

 

 

 

 

 

or module) on COM link (P1/N2)

 

 

 

 

 

 

 

 

 

 

P1080

Minimum Motor Frequency

1.

Press

to advance to

Site Setting

 

 

 

 

0 Hz to 650 Hz

 

parameter P1080.

(20% to 30%

 

 

 

 

 

 

 

 

 

Max)

 

Minimum motor frequency at

2.

Press

to access the

Default = 10

 

which the motor will run

 

parameter values level.

 

irrespective of the frequency

 

 

 

 

 

setpoint. This value applies to

 

 

 

 

 

both clockwise and

3.

Press

to advance to

 

 

counterclockwise rotation.

 

desired value.

 

 

 

4.

Press

to confirm and save

 

 

 

 

the setting.

 

 

 

 

 

 

 

** Parameters have two index settings: IN000 = Auto and IN001 = Hand.

28

Siemens Building Technologies, Inc.

Page 36
Image 36
Siemens 125-3208 operating instructions Selection of Frequency, Setpoint, Speed Command Source, Minimum Motor Frequency