Eć24, Pid control block, Control word 01 bit descriptions: status bits – Rockwell Automation 1772-L8_LW_LWP_LX_LXP,D17726.5.8 User Manual User Manual

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Quick Reference

Appendix E

E-24

Control Word 01 Bit Descriptions: Status Bits

00

- Equation (Set by User)

Independent Gain =0

Dependent Gain = 1

01

- Mode (Set by User)

Auto = )

Manual = 1

02

- Control Action (Set by User)

Direct (SP-PV) = 0

Reverse (PV-SP) = 1

03

- Output Limiting (Set by User)

No - 0

Yes = 1

04

- Set Output (Set by User)

Inhibited = 0

Enabled = 1

05

- Cascade Bit (Set by User)

No = 0

Secondary Cascade Loop = 1

3

06

- Derivative Uses Error (set by User)

PV = 0

E = 1

3

07

- Input Format (for Series C or later)

Binary = 0

BCD = 1

10

- Dead Band (set by Instruction)

Out of DB = 0

Within DB = 1

1

11

- Maximum Output Alarm (set by Instruction)

Within limit = 0

Above limit = 1

1

12

- Minimum Output Alarm (Set by Instruction)

Within limit = 0

Below limit = 1

1

13

- Set point Error (Set by Instruction)

In range = 0

Out of range = 1

1

14

- Reserved

2

15

- Done bit (set by Instruction)

Not executed = 0 Executed = 1

1

16

- Reserved

2

17

- Enabled bit (set by Instruction)

Not enabled = 0

Enabled = 1

1

Do not change. Values are set by PID function.

Do not change Reserved bits.

Do not change while the processor is operating.

1
2
3

PID Control Block

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