GE FVP110, Руководство по обслуживанию

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FVP 110 Fieldbus Valve Positioner Manual
212
GE Energy
Parameters of AR (Arithmetic) Block
Table 67 AR (Arithmetic) Block Parameters
Relative
Index
Index Parameter
Name
Default
(factory
setting)
Write Description
0 17500 Block Header Block Tag
=O/S Information about this block, including the
block tag, DD revision, execution time
1 17501 ST_REV 0 — Incremented when a change is made to the
parameter settings for the IS block to indicate
the revision level of the settings, and used to
see whether there is a change in parameter
settings.
2 17502 TAG_DESC Spaces Universal parameter storing the description of
the tag
3 17503 STRATEGY 1 Universal parameter used by an upper-level
system to classify the function blocks
4 17504 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 17505 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 17506 BLOCK_ERR — — Indicates the error statuses related to the block
itself.
7 17507 PV Either the primary value for use in executing
the function, or a process value associated
with it.
8 17508 OUT 0 Man Indicates the output value and its status.
9 17509 PRE_OUT Displays what would be the OUT value and
status if the mode was Auto or lower.
10 17510 PV_SCALE O/S The high and low scale values, engineering
units code, and number of digits to the right of
the decimal point to be used in displaying the
PV parameter and parameters which have the
same scaling as PV. 0-100%