beautypg.com

Parameters a - 7, Pid control, Table a.1 f7 parameter list (continued) – Yaskawa F7 Drive User Manual User Manual

Page 172

background image

Parameters A - 7

PID Control

b5-01

PID Function Setting
PID Mode

This parameter determines the function of the PID control.
0: Disabled
1: D = Feedback
2: D = Feed-Forward
3: Freq. Ref. + PID output (D = Feedback)
4: Freq. Ref. + PID output (D = Feed-Forward)

0 to 4

0

A

A

A

A

b5-02

Proportional Gain Setting
PID Gain

Sets the proportional gain of the PID controller.

0.00 to

25.00

1.00

A

A

A

A

b5-03

Intregral Time Setting
PID I Time

Sets the integral time for the PID controller. A setting of zero
disables integral control.

0.0 to
360.0

1.0sec

A

A

A

A

b5-04

Intregral Limit Setting
PID I Limit

Sets the maximum output possible from the integrator. Set as a
percentage (%) of maximum frequency.

0.0 to
100.0

100.0%

A

A

A

A

b5-05

Derivative Time
PID D Time

Sets D control derivative time. A setting of 0.00 disables derivative
control.

0.00 to

10.00

0.00sec

A

A

A

A

b5-06

PID Output Limit
PID Limit

Sets the maximum output possible from the entire PID controller.
Set as a percentage (%) of maximum frequency.

0.00 to

100.0

100.0%

A

A

A

A

b5-07

PID Offset Adjustment
PID Offset

Sets the amount of offset of the output of the PID controller. Set as a
percentage (%) of maximum frequency.

The offset is summed with the PID output. This can be used to
artificially kick-start a slow starting PID loop.

–100.0 to

+100.0

0.0%

A

A

A

A

b5-08

PID Primary Delay Time
Constant
PID Delay Time

Sets the amount of time for the filter on the output of the PID
controller.

0.00 to

10.00

0.00sec

A

A

A

A

b5-09

PID Output Level
Selection
Output Level Sel

Determines whether the PID controller will be direct or reverse
acting.
0: Normal Output
1: Reverse Output

0 to 1

0

A

A

A

A

b5-10

PID Output Gain Setting
Output Gain

Sets the output gain of the PID controller.

0.0 to

25.0

1.0

A

A

A

A

b5-11

PID Output Reverse
Selection
Output Rev Sel

0: 0 limit (when PID output goes negative, Drive stops). 0 limit is

automatic when reverse prohibit is selected using b1-04.

1: Reverse (when PID goes negative, Drive reverses).

0 to 1

0

A

A

A

A

b5-12

PID Feedback Reference
Missing Detection
Selection
Fb los Det Sel

0: Disabled
1: Alarm
2: Fault

0 to 2

0

A

A

A

A

b5-13

PID Feedback Loss
Detection Level
Fb los Det Lvl

Sets the PID feedback loss detection level as a percentage (%) of
maximum frequency (E1-04).

0 to 100

0%

A

A

A

A

b5-14

PID Feedback Loss
Detection Time
Fb los Det Time

Sets the PID feedback loss detection delay time in terms of
seconds.

0.0 to

25.5

1.0sec

A

A

A

A

b5-15

PID Sleep Function Start
Level
PID Sleep Level

Sets the sleep function start frequency.

Varies

by

Duty

Rating*

0.0Hz

A

A

A

A

b5-16

PID Sleep Delay Time
PID Sleep Time

Sets the sleep function delay time in terms of seconds.

0.0 to

25.5

0.0sec

A

A

A

A

b5-17

PID Accel/Decel Time
PID Acc/Dec Time

Applies an accel/decel time to the PID setpoint reference. The
Drive’s standard softstarter (C1-XX and S-curve) still affects the
output of the PID algorithm.

0.0 to

25.5

0.0sec

A

A

A

A

b5-18

PID Setpoint Selection
PID Setpoint Sel

Allows the b5-19 setting to be the PID target setpoint value.
0: Disabled
1: Enabled

0 to 1

0

A

A

A

A

b5-19

PID Setpoint Value
PID Setpoint

Sets the PID target value. Use only when b5-18 = 1

0.0 to
100.0

0.0%

A

A

A

A

Denotes that parameter can be changed when the Drive is running.

* For Heavy Duty (HD) Rating (C6-01=0): Setting Range=0.0 to 300.0. For Normal Duty (ND) Rating (C6-01=2): Setting Range=0.0 to 400.0.

Table A.1 F7 Parameter List (Continued)

Parameter

No.

Parameter Name

Digital Operator Display

Description

Setting

Range

Factory

Setting

Control Method

V/F

V/F

w/PG

Open

Loop

Vector

Flux

Vector