Ifix signal conditioning options – IDEC WindSRV User Manual
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idle tags on a 15 second cycle, a tag may not get set inactive at precisely this time from its last Read; it could be up to
15 seconds longer depending on when the last read occurred in the check cycle. If iFIX requests data from a tag that
has been previously deactivated, the server will reactivate the tag and resume polling the hardware.
This feature is disabled by default upon driver install. Once this feature is enabled, however, it becomes applied to all
projects. Users may specify an idle time of up to 6:23:59:59 (1 week).
Caution:
This feature is meant to be used with Register Tags only and can cause non-register tags to go off scan. To
avoid this situation when using this feature, be sure to set the inactivity timer greater than the longest scan time
configured in the iFIX database.
Format
Range
Default Value
[days:hours:minutes:seconds]
0:00:00:15 to 6:23:59:59
0:00:00:15 (15 seconds)
Note: The time period can also be specified in seconds. For example, if 62 is entered, the page will show 0:00:01:02
when accessed next.
Examples
Time
Format
20 seconds
0:00:00:20 or 20
1 minute
0:00:01:00 or 60
1 hour and 30 minutes
0:01:30:00 or 5400
2 days
2:00:00:00
Restore Defaults
This parameter restores the tab's current settings to their default values.
iFIX Signal Conditioning Options
The following signal conditioning options are available through the iFIX Database Manager:
Note: Linear and logarithmic scaling is available through the server for
only. For more information, refer
to
3BCD Signal Conditioning
Description
3-digit Binary Coded Decimal (BCD) value.
Input Range
0 - 999.
Scaling
Scales 3-digit Binary Coded Decimal values to the database block's
EGU range.
Read Algorithm
Reads from a 3-digit BCD register. The Raw_value is then separated
into three nibbles (4 bits) prior to scaling the value. Each nibble is