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<Appendix 2. Integrator (It) Block>
251
IM 01E21A02-03EN
A2.7 List of Integrator Block Parameters
Index Parameter
Name
Default
Value
Write
Mode
View
Description
1 2 3 4
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
---
2
2
2
2 The revision level of the set parameters
associated with the Integrator block
2
TAG_DESC
Nu11
---
Stores comments describing tag information.
3
STRATEGY
1
2
The strategy field is used by the high-level
system to identify the function block.
4
ALERT_KEY
1
1
Key information used to identify the location at
which an alert occurred
5
MODE_BLK
4
4
Integrator block mode. O/S, MAN, and AUTO
are supported.
6
BLOCK_ERR
---
2
2
Indicates the active error conditions
associated with the function block in bit
strings.
7
TOTAL_SP
1000000.0
4
4
The target value of an integrated value or a
start value for counting down
8
OUT
MAN
5
5
Output
9
OUT_RANGE
1000000.0
11
Sets scaling for output display. Does not affect
the block operation. For note.
0.0
m3(1034)
0
10 GRANT_
DENY
0
2
The parameter for checking if various
operations have been executed
11 STATUS_
OPTS
0
OS
2
Allows you to select a status-related option.
The Integrator block uses “Uncertain if Man
mode” only.
12 IN_1
0.0
5
5
Inputs flow rate (RATE, ACCUM) signals from
the AI block or PI block.
13 IN_2
0.0
5
5
14 OUT_TRIP
0
2
2
An output parameter informing the user that
the integrated value has exceeded the target
value
15 OUT_PTRIP
0
2
2
An output parameter informing the user that
the integrated value is reaching the target
value
16 TIME_UNIT1
sec(1)
MAN
1
Specifies the time unit of the RATE (kg/s,
lb/min, kg/h...etc.) of the corresponding IN.
17 TIME_UNIT2
sec(1)
MAN
1
18 UNIT_CONV
1.0
4
Specifies the unit conversion factor for
standardizing the unit of IN_2 into that of IN_1.
19 PULSE_VAL1
1.0
MAN
4
Specifies the factor for converting the number
of pulses for the corresponding IN into an
appropriate engineering unit.
20 PULSE_VAL2
1.0
MAN
4
21 REV_FLOW1
0
2
2
Selector switch used to specify the fluid flow
direction (forward/reverse) with respect to the
corresponding IN
22 REV_FLOW2
0
2
2
23 RESET_IN
0
2
2
The parameter that receives a reset request
from an external block to reset the integrated
values
24 STOTAL
0.0
4
Indicates the snapshot of OUT just before a
reset.
25 RTOTAL
0.0
MAN
4
4
Indicates the integrated value of the absolute
values of the increments if the input status is
“Bad”.
26 SRTOTAL
0.0
4
Indicates the snapshot of RTOTAL just before
a reset.
27 SSP
0.0
4
Indicates the snapshot of TOTAL_SP just
before a reset.