DeltaOHM HD52.3D... series, Руководство по эксплуатации

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HD52.3D
- 12 -
V1.11
5.2.4 SDI-12
SERIAL CONNECTION
SDI-12 standard has three connection wires: power 12V, data line and ground.
Up to 10 sensors can be connected in parallel, each of them identified by its own address.
Communication between sensors and PC/datalogger is performed at 1200 baud. Connection
cables should not exceed 60 m.
The instrument should be configured to operate in SDI-12 mode. Set the address (see chapter
6 “
CONFIGURATION” ) before connecting the instrument to the network.
5.2.5 A
NALOG OUTPUTS
C
ONNECTION
Connect the outputs according to one of the two schemes below, depending on the output
type, current (standard) or voltage (on request), available in the instrument.
OUT 1 and
OUT 2 are associated to wind speed and direction respectively. To change the type of speed
and direction measurements associated to the outputs, see chapter 6 “ CONFIGURATION”.
Current outputs are active. Load resistance: RL < 300 Ω .
Load resistance: RL > 10 k Ω .
Power supply
SDI-12/USB or SDI-12/RS232
converter or
data logger with SDI-12 input
Power supply
Power supply
Other sensors with
SDI-12 output
Reference of female
connector solder side
Reference of female
connector solder side
Reference of female
connector solder side
Current outputs 4…20mA
Voltage outputs