Operating Instructions

Chapter 4 - Parameters and Menu Structure

Parameters (M3)

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Siemens Industry, Inc.

Siemens BT300 HVAC Drive

DPD01809

Smart Infrastructure

2019-05-29

Understanding Preset Frequencies

Preset frequency mode (P3.3.10)

You can use the preset frequency parameters to define certain frequency references in advance. These

references are then applied by activating/deactivating the digital inputs connected to parameters Preset

frequency selection 0 (P3.5.1.15), Preset frequency selection 1 (P3.5.1.16) and Preset frequency selection

2 (P3.5.1.17). Two different logics can be selected:

Table 27: Preset Frequency Logic.

Selection

number

Selection name

Note

Binary coded

Combine activated inputs according to the table below to

choose the Preset frequency needed.

Number (of inputs

used)

You can apply the

Preset frequencies

1 to 3, depending on how

many of the inputs assigned for

Preset frequency selections

are

active.