SOMMER SPA-2, Manual

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F-G-C SDI-2 maximal duration
The timeout for commands sent to SDI-12 devices connected to the SPA-2. If a SDI-12 device does
not respond to a command within this time the device returns an error.
Unit sec Seconds
Value range 0 … 255 20 (default)
F-G-D SDI-2 sensor search
Searches for connected SDI-12 sensors and lists their identification and sensor address in the ter-
minal window.
F-G-E SDI-2 change sensor address
Changes the SDI-12 address of a connected sensor.
F-G-F SDI-2 ask for a sensor address
Reads the SDI-12 address and its identification of a single SDI-12 sensor connected to the SPA-2.
F-H RS-485-2 Port
The RS-485-2 interface is used to read data from connected digital sensors. The following para-
meters are available to configure it.
F-H-A Baud rate 101
F-H-B Parity, stop bits 101
F-H-C Minimum response time 101
F-H-D Transmitter warm-up time 101
F-H-E Flow control 102
F-H-F Sending window 102
F-H-G Receiving window 102
F-H-H Trig, polling 102
F-H-I Trig, timeout 103
F-H-J Trig, sleep while timeout 103
F-H-K Network scan extension 103
F-H-L Polling delay 103
F-H-M Transparency to RS485-2 104
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