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Maple Systems HMI5000L Series User Manual

Page 9

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HMI5000L Installation Guide 9

1010-1018 Rev 01 www.maplesystems.com

Figure 2b: Chassis Ground Connection – HMI5100L, 5121XL, 5150XL

Power Supply Selection

The power supply used to power the HMI should provide an output of

+24 VDC ±20% measured at the HMI power terminal block. A 24VDC

regulated power supply dedicated to the HMI is recommended. Use a

power supply with adequate current rating based upon your particular

model (visit the Support Center Specifications page on our website).

A power line filter installed at the AC input to the HMI power supply is

highly recommended as a safeguard against conducted RF noise, which

is often present on factory power lines. The wires connecting the output

of the power line filter to the power supply should be kept as short as

possible to minimize any additional noise pickup. The case of the power

line filter should be connected to a quiet earth ground. The power line

filter should have a current rating of at least 3 Amps with common mode

and differential mode attenuation. In applications that may have high

Metal area on
panel free of
paint

Stud or screw

Green (FG)

Black (--)

Red (+)

Control Panel
(connected to
earth ground)

Frame
ground