Rockwell Automation 1771-PD PID MODULE (+DU) User Manual

Page 224

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Summary Word and Bit Tables

Appendix D

DĆ3

Word or Bit Title

Word Abbr.

Word

Bit

Pg

Expanded feature bit

see standard/
expanded features bit

W01

B14

3-8

Feedforward
gain*

K

F

W34(W54)

3-26

input set value

SET FFI

W10(W17)

3-12,3-14

offset*

FFO

W33(W53)

3-26

Value

READ FFV

W67(W74)

3-38

Feedforward bits
gain multiplier*

W30(W50)

B07,B06

3-25

input sign*

W30(W50)

B12

3-25

input source*

W30(W50)

B13

3-25

input square root*

W30(W50)

B11

3-25

sign

W61(W68)

B13

3-25

term multiplier*

W30(50)

B10

3-25

Format bits

BCD/binary,analog
terms except SP

W01

B12

3-10

BCD/binary, SP

W01

B11

3-10

Gain
derivative

K

D

W25(W45)

3-22

feedforward

K

F

W34(W54)

3-26

integral

K

I

W24(W44)

3-22

proportional

K

P

W07(W14)

3-12,3-13

Gain multiplier bits
derivative

W19(W39)

B01,B00

3-21

feedforward

W30(W50)

B07,B06

3-25

integral

W19(W39)

B03,B02

3-21

proportional

W19(W39)

B05,B04

3-21

Hold bits
bias

W18(W38)

B00

3-18

PID calculation

W18(W38)

B01

3-18

Integral term

V

I

error select bits

W18(W38

B05,B04

3-17

gain

K

I

W24(W44)

3-22

limit

V

I

MAX

W26(W46)

3-22

limit bit

W18(W38)

B10

3-17

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