Danfoss VLT HVAC Basic Drive FC 101 Informacje Techniczne Pobierz pdf (Strona 32)

3-15 Reference 1 Source

Option: Function:

[2] Analog in 54

[11] Local bus

reference

3-16 Reference 2 Source

Option: Function:

Select the input to be used for the second

reference signal. 3-15 Reference 1 Source,

3-16 Reference 2 Source and 3-17 Reference

3 Source define up to three different

reference signals. The sum of these

reference signals defines the actual

reference. See also 1-93 Thermistor Source.

[0] No function

[1] Analog in 53

[2] * Analog in 54

[11] Local bus

reference

3-17 Reference 3 Source

Option: Function:

Select the reference input to be used for

the third reference signal. 3-15 Reference 1

Source, 3-16 Reference 2 Source and

3-17 Reference 3 Source define up to three

different reference signals. The sum of

these reference signals defines the actual

reference.

This parameter cannot be adjusted while

the motor is running.

[0] No function

[1] Analog in 53

[2] Analog in 54

[11] * Local bus

reference

3.4.3 3-4* Ramp 1

Configure the ramp parameter, ramping times, for each of

the two ramps (parameter group 3-4* and parameter group

3-5*).

acc

dec

130BB801.10

P 3-*2

Ramp (X)

Down

Time (Dec)

P 4-14

High-limit

RPM

Reference

P 1-23

Motor

frequency

P 4-12

Low limit

Time

P 3-*1

Ramp (X)Up

Time (Acc)

3-41 Ramp 1 Ramp up Time

Range: Function:

Size

related*

[0.05 -

3600.0 s]

Enter acceleration time from 0Hz to

Motor Frequency in par 1-23. Choose a

ramp-up time such that the output

current does not exceed the current

limit in par. 4-18 Current Limit during

ramping. See ramp down time in par.

3-42.

3-42 Ramp 1 Ramp Down Time

Range: Function:

Size

related*

[0.05 -

3600.0 s]

Enter the deceleration time from 0 Hz

the Motor Frequency in par 1-23 to 0

Hz. Choose a ramp-up time such that

the output current does not exceed the

current limit in par. 4-18 Current Limit

during ramping. See ramp-up time in

par. 3-41.

3.4.4 3-5* Ramp 2

Choosing ramp parameters, see parameter group 3-4*.

3-51 Ramp 2 Ramp up Time

Range: Function:

Size related* [0.05 -

3600.0 s]

Enter acceleration time from 0 Hz to

1-23 Motor Frequency. Choose a ramp-

up time such that the output current

does not exceed the current limit in

4-18 Current Limit during ramping. See

ramp-down time in3-52 Ramp 2 Ramp

down Time.

Parameters VLT HVAC Basic Drive Programming Guide

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