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Function Blocks Instruction Manual
Index
Parameter
DataType
(length)
User Manual
Valid Range/
Options
Default
Value
Units
Store / Mode
Description
E
N
Define the operating state of the block.
Enumerations are: READY, ACTIVE,
PAUSE and AT_END.
D
Displays what would be the OUT value
and status if the mode was Auto or
lower.
D
Resets the timer.
0=UNDEFINED
1=READY
24
SPG_STATE
Unsigned8
2=ACTIVE
3=PAUSE
4=AT_END
25
PRE_OUT
DS-65
26
RESET_IN
DS-66
27
28
0:Off
E
1:Reset
BAL_TIME
Float
Positive
0
sec
S
OUTAGE_LIM
Float
Positive
0
Sec
S
This specifies the time for the internal
working value of bias or ratio to return
to the operator set bias or ratio, in
seconds.
The maximum tolerated duration for
power failure.
This feature is not supported.
29
30
31
32
UPDATE_EVT
BLOCK_ALM
ALARM_SUM
ACK_OPTION
DS-73
DS-72
DS-74
Bitstring(2)
D
This alert is generated by any change to
the static data.
D
The block alarm is used for all
configuration, hardware, connection
failure or system problems in the block.
The cause of the alert is entered in the
subcode field. The first alert to become
active will set the Active status in the
Status attribute. As soon as the
Unreported status is cleared by the alert
reporting task, another block alert may
be reported without clearing the Active
status, if the subcode has changed.
Na
S
The
current
alert
status,
unacknowledged states, unreported
states, and disabled states of the
alarms associated with the function
block.
Na
S
Selection of whether alarms associated
with the block will be automatically
acknowledged
S
Alarm hysteresis parameter. In order to
clear the alarm the amount the PV must
return within the alarm limit plus
hysteresis.
S
Priority of the high deviation alarm.
S
The setting for high deviation alarm in
engineering units.
S
Priority of the low deviation alarm.
S
The setting for low deviation alarm in
engineering units.
Na
Na
See Block
Options
0: Auto ACK
Disable
0
1: Auto ACK
Enable
33
ALARM_HYS
Float
0 to 50 %
34
DV_HI_PRI
Unsigned8
0 to 15
35
DV_HI_LIM
Float
OUT_SCALE,
+INF
36
DV_LO_PRI
Unsigned8
0 to 15
37
DV_LO_LIM
Float
OUT_SCALE, INF
0.5%
+INF
-INF
167
%
OUT
OUT