CR300-Series Datalogger
19
1. Insert the three included nylon anchors into the backplate. Position them to
align with the three mounting holes on the base of the CR300.
2. Holding the CR300 to the backplate, screw the three included screws into
the nylon anchors.
FIGURE 4-2. Mounting to a Backplate
4.9 Apply Power
In the field, the CR300 can be powered in any of the following ways:
• 10 to 16 Vdc applied to the BAT terminals, such as a BP7 (pn 17365)
• 16 to 32 Vdc applied to the CHG terminals, such as pn 29796
See Section 6.7, Power
(p. 39), for more information.
4.10 Connect to Earth Ground
A good earth connection is necessary to secure the ground potential of the
CR300 and shunt transients away from electronics. In the field, at a minimum,
a proper earth ground will consist of a 5-foot copper-sheathed grounding rod
driven into the earth and connected to the ground lug on the wiring panel with
a 14 AWG wire. The ground lug is the connector with a screw labeled
⏚ (see
FIGURE 5-1).
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