Siemens SITRANS LR 300 Instruction Manual page 63

P054 Breakpoint Levels
When the tank shape is too complex for any of the pre-configured shapes, you can
specify the volume based on segment.
Secondary Index
Values
Related Parameters
Enter up to 32 level breakpoints (where volume is known) if P050 = 9.
Entering a Level Breakpoint
1. Open parameter P054.
2. Enter a breakpoint in measurement units.
3. Match each breakpoint to the same index value for P055.
P055 Volume Breakpoints (Universal Volume Calculation)
(F = – – – –)
Each segment defined by the level breakpoints (P055) requires a volume to allow the
SITRANS LR 300 to make the level-to-volume calculations.
Secondary Index
Values
Related Parameters
Typical volume calculations:
Cone
2
V = (1/3) r h
Entering a Volume Breakpoint
1. Open parameter P055.
2. For each index enter a volume.
3. Match each volume to the same index value for P054.
7ML19985CL02
(F = – – – –)
Breakpoint
Range: 0.0000 to 99999 in units
P055 Volume Breakpoints (Universal Volume Calculation)
Breakpoint
Range: 0.0000 to 99999 in units
Pre-set: 0.0000
P054 Volume Breakpoints (Universal Volume Calculation)
Cylinder
2
V = r h
SITRANS LR 300 – INSTRUCTION MANUAL Page 61