EZ EZ-220, Hardware Manual

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18 EZ-TEXT-M-E
Text Panel Hardware Manual
EZSeries Set Point Display Text Panels are supplied with two ferrite cores that
should be attached to the cables prior to installation of the EZSeries Set Point
Display Text Panel. These cores are
required to suppress EMI emissions that
are conducted through the Power Cable and the Communications Cable. The
fi gure, below, shows the ferrite cores properly installed. Attach the cores within
one inch of the EZSeries Set Point Display Text Panel connector. The cable
should be snugly wrapped once around the core, providing two passes through
the core.
The Power Cable Core is a solid ferrite cylinder. The Power Cable should pass
once through the core, be looped around and pass through a second time. Pull
the excess cable so that it rests snugly against the outside of the core.
The Communications Cable Core is a snap-together, split, ferrite core. This
core can be installed on a fi nished cable. Lift the latch to open the core. Wrap
the wire through the core center, snugly around the outside, and again through
the center. Close the core until the latch snaps. Ensure that the cable jacket is
not pinched between the two halves of the core. The fi nished cable should look
similar to the drawing shown below.
EMI Noise Filter Installation