OTT Pluvio 2 S - Required Tools and Equipment

Please note: All connection cables must be UV-resistant and suitable to be laid
in the ground!
Connection cable for data collection device/precipitation gauge
S
DI-12 interface – Cable length: maximum 70 m
1)
– Cable type: shielded low-voltage cable
– Wire size: 3 x 0.5 mm
2 2)
R
S-485 interface – Cable length: maximum 1000 m
– Cable type: twisted-pair cable
3)
;
shielded design
– Wire size: 2 x 2 x 0.5 mm
2
Pulse output – Cable length: maximum 1000 m
– Cable type: shielded low-voltage cable
– Wire size: 6 x 0.5 mm
2
The connection cable recommended in each case includes the wires for power
supply and data collection device.
1
)
with a point-to-point connection (no SDI-12 bus operation), a cable length of up to 300 m is possible.
2)
with standard SDI-12 wiring, alternative 4 x 0.5 mm
2
wire with separate power supply.
3)
t
he wires intended for power supply can be twisted pair, but do not have to be.
Connection cable for orifice rim heater power supply
4)
– Cable length: maximum 125 m
– Cable type: unshielded low-voltage cable
– Wire size: 1… 25 m: 2 x 0,5 mm
2
25 … 50 m: 2 x 1,0 mm
2
50 … 75 m: 2 x 1,5 mm
2
75 … 125 m: 2 x 2,5 mm
2
Calculation is based on: output voltage of the 24 V
DC
power supply (e.g. mains
adapter)
4)
optional: As necessary, alternatively provide two additional wires in the cable between data recording
unit and power supply considering adequate wire cross-section.
Grounding cable
– Cable length: max. 5 m
– Cable type: unshielded low-voltage cable
– Wire size: 1 x 10 mm
2
USB cable
If any changes are to be made to the factory settings, a USB cable is temporarily
required during commissioning (supplied). Maximum cable length: 3 m.
Please note: The USB port has no overload protection. It is designed to be
temporarily used as a service interface.
5.2 Required tools and equipment
䊳
Open-ended wrench, size 13 mm (supplied)
䊳
Phillips screwdriver, size: PH 2
䊳
Slotted screwdriver, size: 0.8 mm x 4 mm and 1.0 mm x 6 mm
䊳
Tool for stripping insulation on electrical cables
䊳
Wire-cutting pliers
䊳
For a connection cable with wires made of strands: Ferrules and
crimping pliers
17