7 Installing the OTT netDL unit
7.1 Attaching the datalogger
Requirements of the intended installation site:
Sufficient protection from moisture (IP 41 protection type).
Properly determined space for the electrical cables.
The following operating temperature ranges are kept:
Device version A.. : –40 °C up to +70 °C
Device versions B.. and C.. : –30 °C up to +70 °C
Standard top hat rail (TS 35) mounted at installation site.
Closed control cabinet or fire protection cabinet.
(not required if the power supply of OTT netDL is a low power source)
The dimensions of the OTT netDL can be found in Fig. 6.
Please note: Do not open the OTT netDL unit during installation! There are no
adjustment or operating elements or connecting means inside the housing.
Engage the OTT netDL unit into the top hat rail as shown in Figure 5 (left).
Press the underside of the OTT netDL unit against the top hat rail until it
clicks into place.
Removing the OTT netDL unit: Carefully push the unit a few millimeters upward,
slightly tilt the underside towards your body, and then remove it from the top
hat rail, refer to Figure 5 (right).
Fig. 5: Fastening the OTT netDL unit
to the top hat rail (left)/removing
it from the rail (right).
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