Rockwell-automation 1336F PLUS II Custom Firmware Instructions - EN921 Manuel d'utilisateur télécharger pdf (Page 4)

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

Note: The “Process PI” parameter group has been eliminated in this custom firmware.

Voltage PI

This group of parameters configures the Voltage PI Regulator.

[Volt Select]

This parameter specifies which input signal will be used

as the [Volt Command] reference when [Control Select] is

set to “Variable Voltage”.

Parameter Number 337

Parameter Type Read and Write

Factory Default “Volt Preset”

Units

Display Drive

“Analog In 0” 0

“Analog In 1” 1

“Analog In 2” 2

“Volt Preset” 3 Refer to [Volt Preset] Value

“Adapter 1-6” 4-9

“Volt Cmd Ref” 10 Refer to [Volt Command Ref] Value

“Pre+AI0 Trim” 11 Refer to [Volt Trim%] Value

“Pre+AI1 Trim” 12

“Pre+AI2 Trim” 13

“Pre+Trim Ref” 14 Refer to [Volt Trim% Ref] Value

“Voltage PI” 15 Voltage PI Control (new selection)

[PI Config]

This parameter sets and displays the configuration for the

PI regulator.

Note: Reset Integrator (Int) is also available through a dig-

ital input.

Parameter Number 213

Parameter Type Read/Write

Factory Default 00000000

PI Reference

Select

pi reference

PI Config.sqrt_fdbk

PI Config.inv_error

PI Config.reset_int

PI Feedback

PI Error

Process KI

Process KP

Integral Term = 0

PI Pos Limit

PI Neg Limit

PI Output

PI Voltage

Reference

Output Voltage

pi feedback

PI Feedback

Select

–1

–

PI Config.zero_clamp

Volt Incr/Decr Time

PI Enable

+4096

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

Inv Error - Changes sign of PI Error

Reset Int - Holds KI at zero

Zero Clamp - Prevents bidirectional operation

Sqrt Fdbk - Uses sq. root of PI feedback value

Set Output 000011

Preload Int 001100

PI Enable 010101

Diagram 1 2 3

Bypass - Set PI Output equal to PI Ref

(Refer to Diagrams on next page)

1 2 3 4 5 6 7 8

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Rockwell-automation 1336F PLUS II Custom Firmware Instructions - EN921 Manuel d'utilisateur Page 4

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