427-0014-00-10 Revision 210 Copyright © 2008 FLIR Systems, Inc. 13
3.2 Ground Connection
The SR-Series cameras have grounding and surge protection to provide further immunity from
high current transients that can occur in installations that are subject to electrical storms and/or
nearby lightning events. In order to ensure CE and FCC compliance as well as to protect
against these high current events, installers are required to provide an Earth connection to a
specific connection on the camera. Note: a ground connection to the exterior of the camera (for
example, to the mounting foot) is insufficient.
When the camera is shipped from FLIR, an internal ground wire (green) connects the interface
board to the Earth Ground Lug, located on the inside of the rear of the enclosure
1
. If is it
disconnected during the installation, it must be reconnected. For proper installation, a ground
connection from an external Earth ground must be connected to the Earth Ground Lug as
shown in Figure 3-2: Earth Ground Connection. Typically the Earth ground connection will be
part of the power cable bundle.
Figure 3-2: Earth Ground Connection
1
On the SR-100P camera, the Earth Ground Lug is located on the outside of the rear of the enclosure.
Refer to section 5.0 SR-100P Installation
for SR-100P installation details.
Caution! The camera must be installed according to industry-standard practices and local
electrical codes. Failure to properly connect the enclosure and the electrical interface board
to ground could result in damage to the camera and possible bodily injury.
Earth Ground
Lug
Internal Ground
connection
External Chassis
Ground connection
Power Supply
shield/drain wire
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