Rockwell-automation 1336F PLUS II Custom Firmware Instructions - EN921 Manual do Utilizador descarregar pdf (Página 6)

6 EN921 - Variable Voltage w/ PI Power/Current Control

Voltage PI

[PI Feedback]

This parameter displays the current value of the reference

selected by [PI Fdbk Select].

Parameter Number 218

Parameter Type Read Only

Display Units / Drive Units None / 4096 = 100%

Factory Default None

Minimum Value – 4915

Maximum Value 4915

[PI Error]

The value of the error calculated by the PI loop. This value

is the difference between [PI Reference] & [PI Feedback]

and determines the PI output.

Parameter Number 219

Parameter Type Read Only

Display Units / Drive Units None / 4096 = 100%

Factory Default None

Minimum Value – 4915

Maximum Value 4915

[PI Output]

The current output of the PI loop is displayed with this

parameter. This output is used as the reference for the

voltage output.

Parameter Number 220

Parameter Type Read Only

Display Units / Drive Units 1 Volt / 4096 = Drive Rated Volts

Factory Default None

Minimum Value –120% Rated Voltage

Maximum Value 120% Rated Voltage

[KI Process]

This parameter sets the integral gain of the process PI

loop.

Parameter Number 221

Parameter Type Read/Write

Display Units / Drive Units NA / NA

Factory Default 128

Minimum Value 0

Maximum Value 2048

[KP Process]

This parameter sets the proportional gain of the process

PI loop.

Parameter Number 222

Parameter Type Read/Write

Display Units / Drive Units NA / NA

Factory Default 256

Minimum Value 0

Maximum Value 2048

[PI Neg Limit]

This parameter sets the lower (negative) limit of the PI

output.

Parameter Number 223

Parameter Type Read/Write

Display Units / Drive Units None / 4096 = 100%

Factory Default -341

Minimum Value – 4915

Maximum Value 4915

[PI Pos Limit]

This parameter sets the upper (positive) limit of the PI

output.

Parameter Number 224

Parameter Type Read/Write

Display Units / Drive Units None / 4096 = 100%

Factory Default 341

Minimum Value – 4915

Maximum Value 4915

[PI Preload]

Sets the value used to preload the PI integrator when “Set

Output” or “Preload Int” bits equal “1” in [PI Config].

Parameter Number 225

Parameter Type Read/Write

Display Units / Drive Units None / 4096 = 100%

Factory Default 0

Minimum Value – 4915

Maximum Value 4915

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