A1.5 parameters of os block, A1.5, A-11 – Yokogawa YVP110 User Manual
Page 122

A-11
IM 21B04C01-01E
A1.5 Parameters of OS Block
Relative
Index
Index
Parameter Name
Default
(factory setting)
Write
Description
0
14000
Block Header
Block tag
= O/S
Information about this block, including the block
tag, DD revision, execution time.
1
14001
ST_REV
0
Incremented when a change in made to the
parameter settings for the OS block to indicate
the revision level of the settings, and used to see
whether or not there is a change in parameter
settings
2
14002
TAG_DESC
Spaces
Universal parameter storing the description of the
tag.
3
14003
STRATEGY
1
Universal parameter used by an upper-level
system to classify the function blocks.
4
14004
ALERT_KEY
1
Universal parameter used as a key to identify
the point from which an alert is issued; normally
used by an upper-level system to select alerts
to provide to a particular operator who covers a
specific area of the plant.
5
14005
MODE_BLK
O/S
Universal parameter that indicates the block
operation conditions and is composed of actual
mode, target mode, permitted modes, and normal
mode.
6
14006
BLOCK_ERR
Indicates the error statuses related to the block
itself
7
14007
SP
Auto
Indicates the setpoint for the block.
8
14008
OUT_1
O/S
Indicates the value and status of output 1.
9
14009
OUT_2
O/S
Indicates the value and status of output 2.
10
14010
OUT_1_RANGE
0-100%
Defines the range of OUT_1 (output 1).
11
14011
OUT_2_RANGE
0-100%
Defines the range of OUT_2 (output 2).
12
14012
GRANT_DENY
0
Option to control access from the host computer
and local control panel to tuning and alarm
parameters.
13
14013
STATUS_OPTS
0
O/S
Defines block actions depending on block status
conditions.
14
14014
CAS_IN
Cascade input.
15
14015
BKCAL_OUT
Value returned to BLCAL_IN of the upstream
block; used by the upstream block to prevent
reset windup and perform bumpless transfer to
closed-loop control.
16
14016
IN_ARRAY
(0, 0, 0, 0)
O/S
Settings used to convert SP to OUT_1
17
14017
OUT_ARRAY
(0, 0, 0, 0)
O/S
Settings used to convert SP to OUT_2
18
14018
LOCKVAL
2
Defines the value of OUT_1 outside the set
endpoints of operation characteristic. 2 = Lock
19
14019
BKCAL_IN_1
Read-back value of OUT_1 returned from the
downstream block.
20
14020
BKCAL_IN_2
Read-back value of OUT_2 returned from the
downstream block.
21
14021
BAL_TIME
0
Defines the balancing time. After the cascade
connection to one downstream block has already
been established, the cascade connection to the
other downstream block will be established over
the time period defined by this parameter.
22
14022
HYSTVAL
0
Defines the hysteresis for LOCKVAL. When it is
set to ‘No Lock.’
23
14023
UPDATE_EVT
Shows the contents of an update event (a change
to the setpoint) upon occurrence.
24
14024
BLOCK_ALM
Shows the contents of a block alarm upon
occurrence.