GE FVP110, Руководство по обслуживанию

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203
Parameters of OS Block
Function Block Parameters
Parameters of OS Block
21 6021 6121 ACK_OPTIO
N 0XFFFF Defines the priority of WRITE_ALM as well as
allows for notification to be disabled and makes
acknowledgement unnecessary for
WRITE_ALM .
22 6022 6122 DISC_PRI 0 –
Priority order of discrete alarm.
23 6023 6123 DISC_LIM 1
Input status of generating a discrete alarm.
24 6024 6124 DISC_ALM –
Status of discrete alarm.
Table 64 OS Block Parameters
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 is made to the
parameter settings for the AO block to indicate
the revision level of the settings, and used to
see whether 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.
Table 63 DI Block Parameters (Continued)
Relative
Index
Index Parameter
Name
Default
(factory
setting)
Write Description
DI1 DI2