beautypg.com

A5.7 list of integrator block parameters, A5.7, A5-10 – Yokogawa digitalYEWFLO (DY-FF) User Manual

Page 106

background image

A5.7 List of Integrator Block Parameters

Index Parameter Name Initial Value

Write

Mode

Defi nition

0 BLOCK_HEADER TAG:

“IT”

Block Tag

=O/S

Information relating to this function block, such as block tag,
DD revision, execution time

1 ST_REV

0

The revision level of the set parameters associated with the Integrator block

2 TAG_DESC

Spaces

AUTO

Stores comments describing tag information.

3 STRATEGY

1

AUTO

The

strategy

fi eld is used by a high-level system to identify the function block.

4 ALERT_KEY

1

AUTO

Key information used to identify the location at which an alert occurred

5 MODE_BLK

AUTO

Integrator block mode. O/S, MAN, and AUTO are supported.

6 BLOCK_ERR

0

Indicates the active error conditions associated with the function block in bit
strings.

7 TOTAL_SP

1000000.0

AUTO

The setpoint of an integrated value or a start value for counting down

8 OUT

MAN

The block output

9 OUT_RANGE

100000

Set scaling for output display. This does not affect operation of the function block.
It is used for making memos.

0.0

m3(1034)

0

10 GRANT_DENY

0

The parameter for checking if various operations have been executed

11 STATUS_OPTS

0

O/S

Allows you to select a status-related option.
The Integrator block uses “Uncertain if Man mode” only.

12 IN_1

0.0

AUTO

Inputs fl ow (Rate, Accum) signals from the AI block or PI block.

13 IN_2

0.0

AUTO

14 OUT_TRIP

0

Value:
AUTO

An output parameter informing the user that the integrated value has exceeded
the setpoint

15 OUT_PTRIP

0

Value:
AUTO

An output parameter informing the user that the integrated value is reaching the
setpoint

16 TIME_UNIT1

sec(1)

MAN

Set the time unit of the Rate (kg/s, kg/min, kg/h ... etc.) of the corresponding IN.

17 TIME_UNIT2

sec(1)

MAN

18 UNIT_CONV

1.0

AUTO

Specify the unit conversion factor for standardizing the unit of IN_2 into that of
IN_1.

19 PULSE_VAL1

1.0

MAN Set the factor for converting the number of pulses for the corresponding IN into an

appropriate engineering unit.

20 PULSE_VAL2

1.0

MAN

21 REV_FLOW1

0

AUTO Selector switch used to specify the fl uid fl ow direction (forward/reverse) with

respect to the corresponding IN

22 REV_FLOW2

0

AUTO

23 RESET_IN

0

AUTO

The parameter that receives a reset request from an external block to reset the
integrated values

24 STOTAL

0.0

Indicates the snapshot of OUT just before a reset.

25 RTOTAL

0.0

MAN

Indicates the integrated value of the absolute values of the increments if the input
status is “Bad.”

26 SRTOTAL

0.0

Indicates the snapshot of RTOTAL just before a reset.

27 SSP

0.0

Indicates the snapshot of TOTAL_SP just before a reset.

28 INTEG_TYPE

UP_AUTO

(1) AUTO

Integration Type Setting

Value Name

Description

1

UP_AUTO

Counts up and is automatically reset when TOTAL_SP is reached.

2

UP_DEM

Counts up and is reset as demanded.

3

DN_AUTO

Counts down and is automatically reset when “0” is reached.

4

DN_DEM

Counts down and is reset as demanded.

5

PERIODIC Counts up and is reset at periods specifi ed in CLOCK_PER.

6

DEMAND

Counts up and is reset as demanded.

7

PER&DEM Counts up and is reset periodically or as demanded.

A5-10

IM 01F06F00-01EN