Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario descargar pdf (Pagina 85)

Rockwell Automation Publication 750-PM001J-EN-P - October 2014 85

Drive Port 0 Parameters Chapter 3

File

Group

No. Display Name

Full Name

Description

Values

Read-Write

Data Type

DRIVE CFG

Control Cfg

305 Voltage Class

Voltage Class

Selects the voltage class operation of the drive. For 400 / 480V drives “Low Voltage” =

400V and “High Voltage” = 480V. This setting affects how the drive will appear as a

node on a system (400V or 480V), and also affects the drive’s current rating, parameter

21 [Rated Amps].

If the setting of this parameter is changed, check the setting of P422 [Current Limit 1]

and 423 [Current Limit 2].

This parameter is only reset (to original factory setting) when Set Defaults “All” (not

recommended) is executed.

Default:

Options:

0 = Based on Factory Setting

0 = “Low Voltage”

1 = “High Voltage”

RW 32-bit

Integer

306 Duty Rating

Duty Rating

Selects the continuous and overload capacity of the drive.

“Normal Duty” (0) – Provides the highest continuous rating, but smaller overload

ratings (110% for 60 seconds, 150% for 3 seconds).

“Heavy Duty” (1) – Provides a smaller continuous rating, but larger overload ratings

(150% for 60 seconds, 180% for 3 seconds).

“Light Duty” (2) – Only used by Frame 8 drives and larger, provides an overload rating of

110% for 60 seconds.

If the setting of this parameter is changed, check the setting of P422 [Current Limit 1]

and 423 [Current Limit 2].

This parameter is only reset when Set Defaults “All” (not recommended) is executed.

For Frame 2 drives rated under 7.5 kW (10 Hp) this parameter only displays the normal

duty rating but will have heavy duty overload ratings.

Changing the setting of this parameter will affect the continuous current rating of the

drive which will be reflected in parameter 21 [Rated Amps].

Default:

Options:

0 = “Normal Duty”

1 = “Heavy Duty”

2 = “Light Duty”

RW 32-bit

Integer

308 Direction Mode

Direction Mode

Selects method for changing direction.

Default:

Options:

0 = “Unipolar”

1 = “Bipolar”

2 = “Rev Disable”

RW 32-bit

Integer

755 (8+)

Mode Direction Change

Unipolar Drive Logic (Forward/Reverse bit.)

Bipolar Sign of Reference

Rev Disable Not Changeable

ATTENTI ON: Enabling the Bipolar Direction Mode can cause unexpected direction changes. Equipment damage and/or

personal injury can result if this parameter is used in an inappropriate application. Do Not use this function without

considering all applicable local, national, and international codes standards, regulations, or industry guidelines.

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Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 85

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