Operating Instructions

ManualsBrandsSiemens ManualsVariable Speed DriveSiemens BT300 HVAC Drive, Application Manual

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

Control reference settings (M3.3)

The frequency reference source is programmable for all control places except the computer, which always

takes the reference from the PC tool.

Auto Control Place I/O A: The source of frequency reference can be selected with I/O Control Reference A

Selection (P3.3.3). The I/O B Reference Force (P3.5.1.6) will determine when the I/O Control Reference B is

in use.

Auto Control Place I/O B: The source of frequency reference can be selected with I/O Control Reference B

Selection (P3.3.4). The I/O B Reference Force (P3.5.1.6) will determine when the I/O Control Reference B is

in use.

Keypad (Hand) Control Place: The source of the frequency reference can be selected with Keypad Control

Reference Selection (P3.3.5). If set to a value of Keypad Reference; then the keypad buttons or Keypad

Reference (P3.3.6) can be used to set the frequency reference.

Fieldbus Control Place: The source of the frequency reference can be selected with Fieldbus Control

Reference Selection (P3.3.9).

Table 26: Control Reference Settings.

Structure

Parameter

Unit

Min

Max

Default

Description

P3.3.1

Min Frequency

Parameter P3.3.2

101

Minimum allowed frequency

reference

P3.3.2

Max Frequency

Parameter

P3.3.1

320

102

Maximum allowed frequency

reference

P3.3.3

I/O A Ctrl Ref

PresetFreq0

Motor Pot Ref

AI1 + AI2

117

Selects location of frequency

setpoint source when in I/O A

control. In the following list of

possible settings, the main setpoint

is selected:

1 = Preset Freq 0

2 = Keypad Reference

3 = Fieldbus

4 = AI1

5 = AI2

6 = AI1+AI2

7 = PID 1 Reference

8 = Motor Potentiometer

Also see M1.10.

P3.3.4

I/O B Ctrl Ref