OPERATION
252 Service Manual Part No.: 4417340 Revision 1
954 SmartServo FlexLine
Entity name Entity name
(SmartView)
Default
value
Description
[SAT
immersed
weight limit]
- 0.180 kg During the SAT downwards, the weight of the
displacer in the product is measured and checked
against this limit. The measured weight must be
smaller than [SAT immersed weight limit].
[SAT
frequency
limit]
- 120 Hz During the SAT upwards, the hysteresis is of the
system is measured. The measured hysteresis must
be smaller than [SAT frequency limit].
[SAT intended
interface]
- Interface 1 Sets intended interface. The SAT will only be
executed when the gauge is measuring the intended
interface level.
[SAT
invalidate
level]
- Disable When set to 'Disable' during SAT
• An asterisk ('*') will be shown on the same
position where normally the arrow up/down
symbols are displayed.
• When set to ' Enable ', during SAT
• An asterisk ('*') will be shown on the same
position where normally the arrow up/down
symbols are displayed.
• Both the measurement unit and the
measurement type will be set to exclamation
marks.
• All level related GPU records will be
invalidated.
• Product level PV and Displacer level PV are
unaffected.
The behaviour of the function responsible for the level movement
detection part of the SAT can be influenced by means of 2 configuration
parameters.
Entity name Default
value
Description
[SAT sample
interval]
< 60 s > The movement detector samples the level in the tank at regular
intervals. The operator can configure the time between two
consecutive samples by means of this item.
[SAT trip
distance]
< 0.003 m > If the absolute level difference between two samples exceeds
the trip distance given in this item, then the tank is apparently
being loaded or unloaded.
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