SOMMER USH-9, Руководство пользователя

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ID Option Description
1 just per command The output is only requested by commands via the RS-485 or SDI-12
interface.
2 after measurement
(default) The serial data output is performed automatically right after each
measurement.
3 pos. TRIG slope The output is triggered by a positive edge of a control signal applied
to the trigger input.
NOTE If OP, measurement output is set to pos. TRIG slope , the data are
returned with a delay of 200 ms after the trigger has been set. Make sure that
your data acquisition system takes account of this lag to ensure that it receives
the most recent data.
Operation modes
The selected combination of measurement trigger and output time determines the following oper-
ation modes:
Mode
Parameter Pushing Polling Apparent polling
Measurement trigger internal TRIG input
SDI-12/RS485 TRIG input
SDI-12/RS485
OP, measurement output after measurement just per command after measurement
Waking-up a connected data logger
The USH-9 supports wake-up of a connected data logger that is in standby mode. Generally, this fea-
ture is only used in pushing mode and can be set under
OP, wake-up sequence .
Sync sequence
The sync sequence is the string
UU~?~?
and is sent directly before a command. It is used to syn-
chronize the receiving UART.
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Manual 63