13 pid function block, Pid block description – Flowserve 400MD Logix User Manual

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Index Origin

Name

Store

Date Type

Default Value

8

STND OUT_1

RWO

Record

FLOAT_S

0x1C;0.0

9

STND OUT_2

RWO

Record

FLOAT_S

0x1C;0.0

10 STND OUT_1_RANGE

SRW

Record

SCALE

100.0;0.0;0;0

11 STND OUT_2_RANGE

SRW

Record

SCALE

100.0;0.0;0;0

12 STND GRANT_DENY

RW

Record

ACCESS_PERM

0;0

13 STND STATUS_OPTS|STATUS_OPTS_OS

SRW

Simple

BIT_STRING

0

14 STND CAS_IN

RWI

Record

FLOAT_S

0x08;0.0

15 STND BKCAL_OUT

RO

Record

FLOAT_S

0x1C;0.0

16 STND IN_ARRAY

SRW

Array

FLOATING_POINT

0.0,50.0,51.0,100.0

17 STND OUT_ARRAY

SRW

Array

FLOATING_POINT

0.0,50.0,51.0,100.0

18 STND LOCKVAL

SRW

Simple

UNSIGNED8

0

19 STND BKCAL_IN_1

RWI

Record

FLOAT_S

0x08;0.0

20 STND BKCAL_IN_2

RWI

Record

FLOAT_S

0x08;0.0

21 STND BAL_TIME

SRW

Simple

FLOATING_POINT

0

22 STND HYSTVAL

SRW

Simple

FLOATING_POINT

0

23 STND UPDATE_EVT

RW

Record

ALARM_EVENT

0;0;0,0;0;0;9;0

24 STND BLOCK_ALM

RW

Record

ALARM_DISC

0;0;0,0;0;0;0;8;0;0

8.13 PID Function Block

PID Block Description

The PID function block provides a choice of selecting either a standard PID control equation (Ideal) or a robust PID.

Table 8.14 lists the block parameters and default values for the PID function block.

Table 8.14 PID Control Function Block Parameters

Index

Origin

Name

Size

Date Type

Default Value

0

STND

PID_BLOCK

62

Record

BLOCK

0

1

STND

ST_REV

2

Simple

UNSIGNED16

0

2

STND

TAG_DESC

32

Simple

OCTET_STRING

“ “

3

STND

STRATEGY

2

Simple

UNSIGNED16

0

4

STND

ALERT_KEY

1

Simple

UNSIGNED8

0

5

STND

MODE_BLK

4

Record

MODE

0x01;0x01;0xF9;0x10

6

STND

BLOCK_ERR

2

Simple

BIT_STRING

0

7

STND

PV

5

Record

FLOAT_S

0x80;0.0

8

STND

SP

5

Record

FLOAT_S

PID_VAL_SP_STATUS;PID_VAL_SP_VALUE

9

STND

OUT

5

Record

FLOAT_S

0x80;0.0

10

STND

PV_SCALE

11

Record

SCALE

100.0;0.0;0;0

11

STND

OUT_SCALE

11

Record

SCALE

100.0;0.0;0;0

12

STND

GRANT_DENY

2

Record

ACCESS_PERM

0,0

13

STND

CONTROL_OPTS|CONTROL_OPTS_

PID

2

Simple

BIT_STRING

0

14

STND

STATUS_OPTS|STATUS_OPTS_PID

2

Simple

BIT_STRING

0

15

STND

IN

5

Record

FLOAT_S

0x80;0.0

16

STND

PV_FTIME

4

Simple

FLOATING_POINT

0

17

STND

BYPASS

1

Simple

UNSIGNED8

0

18

STND

CAS_IN

5

Record

FLOAT_S

0x1C;0.0

19

STND

SP_RATE_DN

4

Simple

FLOATING_POINT

FLT_MAX

20

STND

SP_RATE_UP

4

Simple

FLOATING_POINT

FLT_MAX

21

STND

SP_HI_LIM

4

Simple

FLOATING_POINT

100

22

STND

SP_LO_LIM

4

Simple

FLOATING_POINT

0

Logix 3400MD Digital Positioner LGENIM3405-02 11/13

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