Siemens sitrans PROBE LU - Page 38

Page 32 SITRANS Probe LU (HART) – OPERATING INSTRUCTIONS A5E32337695
Parameters
1
P002 Material to be monitored
P003 Measurement Response
Sets the rate of response to level changes.
Use a setting just faster than the maximum filling or emptying rate (whichever is greater).
Slower settings provide higher accuracy: faster settings allow for more level fluctuation.
• Echo Verification (P711): discriminates between agitator blades in motion (spurious
noise) and the target surface (true echo).
• Failsafe timer (P070): establishes the period from the time a loss of echo (LOE) starts
until the Failsafe default (P071) is triggered. P070 takes precedence over P003.
Notes:
• Setting P001 resets Span (P007), unless Span has previously been set to a different
value. Span is set to Empty distance minus 110% of Blanking
1
unless P001 is set to 3
(distance measurement). In this case Span is set to the same value as Empty (P006).
• Changing P001 may reset Output Function (P201).
1.
Blanking distance is 0.25 m (10"). See Blanking Distance on page 89 for more details.
Note: For use only by Siemens service personnel.
Related
Para-
meters
P003
Failsafe
Timer
P070
(minutes)
Max.
Measurement
Response
P700/P701
Damping
Filter
P709
Echo
Verification
P711
Values
1* slow 100.00 0.100 m/minute 10.000 s 2
2 medium 10.00 1.000 m/minute 10.000 s 2
3 fast 1.00 10.000 m/minute 1.0 0 0 s 2
Note: Changing P003 resets the following parameters: P070, P700, P701, P709, and
P711.