2.Level Calibration is a linear transfer function that converts a sensor value to a level value.
High Level Point
Level Value
Low Level Point
Level |
|
|
4.5 |
|
|
4 |
|
|
3.5 |
|
|
3 |
|
|
2.5 |
|
|
2 |
|
|
1.5 |
|
|
1 |
|
|
0.5 |
| Calibration |
0 |
| |
Low Calibration Point | Sensor Value | High Calibration Point |
Sensor Reference Point |
(flange face) |
SV2 (distance) |
High Calibration Point |
Level |
(PV/SV1) |
Level |
Offset |
Low Calibration Point |
High Level Point
Low Level Point
3.The Level Transducer Block (LTB) provides three possible outputs
•Primary Value (PV)/Level
•Secondary Value 1 (SV1)/Level (plus level offset, if any)
•Secondary Value 2 (SV2)/Distance (in Sensor units)
J: Profile structure PA
7ML19985JM01 | SITRANS LR 460 (PROFIBUS PA) – INSTRUCTION MANUAL | Page |
