135 pi ref meter, 136 pi fdback meter – Rockwell Automation Liqui-Flo 1.5 General Purpose and Vector Duty User Manual

Page 62

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4-30

LiquiFlo 1.5 AC Drive, Software Reference Version 1.2

Bit 0 - PI Enabled

Indicates whether or not the PI loop is enabled.

Bit 1 - PI Hold

Is set to 1 to indicate when a digital input is configured for PI Hold and is turned
on, or the PI Hold bit is set in PI Control (125).

Bit 2 - PI Reset

Is set to 1 to indicate when the PI Integrator is being reset to zero.

Bit 3 - PI InLimit

Is set to 1 to indicate when the PI output equals positive limit or negative limit.

Present value of the PI reference signal.

Present value of the PI feedback signal.

Figure 4.10 – PI Status (134)

0

0

0

0

x

x

x

x

x

x

x

x

x

x

x

x

10

0

1

2

3

4

5

6

7

8

9

11

12

13

14

15

1 =Condition True
0 =Condition False
x =Reserved

Bit #

PI Enabled

PI Hold

PI Reset

PI InLimit

Nibble 1

Nibble 2

Nibble 3

Nibble 4

135

PI Ref Meter

Range:

-/+100.00% [0.01%]

Default:

Read Only

Access:

1

Path: Speed Command>Process PI

See also:

124 - 138

136

PI Fdback Meter

Range:

-/+100.00% [0.01%]

Default:

Read Only

Access:

1

Path: Speed Command>Process PI

See also: 124-138

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