SOMMER USH-9, Руководство пользователя

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14 Parameter definitions
A Measurement trigger 99
B Measurement Interval 99
C Level and distance 100
D Technics 103
E Special functions 120
F Measurement table 121
A Measurement trigger
generic-measurement-trigger
Measurements are initiated by one of the options listed in the table below.
The commands to trigger measurements via RS-485 and SDI-12 are described in Communication .
Measured data are either returned directly after the measurement or can be requested by com-
mands via the RS-485 or SDI-12 interface. The format of the returned data can be configured in the
sub-menu
Output protocol (OP) .
ID Option Description
1 Interval
(default) Measurements are initiated in a specified interval.
2 TRIG input Measurements are triggered by the positive edge of a DC-voltage signal
applied to the TRIG input (low: 0 ... 0.6 V, high: 2.2 ... 28 V, pulse duration
must be ≥500 ms, delay between pulses must be ≥500 ms)
3 SDI-12/RS-
485 Measurements are externally triggered by commands via RS-485 or SDI-12
from ,e.g. a data logger.
4 all
allowed Measurement is triggered by all options mentioned above.
B Measurement Interval
generic-measurement-interval
An internal measurement interval can be set for the USH-9. If selected in menu item Measurement
trigger , measurements are performed in the defined interval. However, a measurement is always
completed before a new one is initiated.
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Manual 99