Figure 2.12 Grounding Connection - Advantech EKI-6333AC-M12 Series User Manual

Caution! Do not service any components unless qualified and authorized to do
so.
Caution! Do not block air ventilation holes.
Electromagnetic Interference (EMI) affects the transmission performance of a device.
By properly grounding the device to earth ground through a drain wire, you can setup
the best possible noise immunity and emissions.
Drain Wire with Lug
Connection to
Grounding Point
By connecting the ground terminal by drain wire to earth ground the device and
chassis can be ground.
Note! Before applying power to the grounded device, it is advisable to use a
volt meter to ensure there is no voltage difference between the power
supply's negative output terminal and the grounding point on the device.
2.2.6.4 Wiring the Power Inputs
Caution! Do not disconnect modules or cabling unless the power is first switched
off.
The device only supports the voltage outlined in the type plate. Do not
use any other power components except those specifically designated
for the device.
Warning! Power down and disconnect the power cord before servicing or wiring
the device.

Figure 2.12 Grounding Connection

12 EKI-6333AC-M12 Series User Manual