Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 41)

4–2 Installing the Decoder
Publication 2755-833
When installing the decoder in a noise-polluted industrial
environment, consider the effects of electromagnetic interference
(EMI). Factors that minimize EMI include:
•
proper grounding
•
shielded cables
•
correct routing of wires
Grounding is an important safety measure in electrical installations.
With solid-state systems, grounding also minimizes the effects of
noise caused by electromagnetic interference (EMI).
An authoritative source on grounding requirements is the National
Electrical Code published by the National Fire Protection
Association of Boston, Massachusetts. Article 250 discusses the
types and sizes of wire conductors and safe methods of grounding
electrical equipment and components.
The NEMA Type 1 and Type 4 decoders are shipped with LED
indicator labels in six different languages: English, French, German,
Italian, Japanese, and Spanish.
The decoders are shipped with the English label installed and a sheet
of five alternate labels loosely packaged. If desired, replace the
English label with another language label.
To replace the LED indicator label, loosen the two screws on the
decoder cover and open. The LED label insert is on the inside the
cover, between the LED board and cover. Remove the insert by
pulling on the gray tab. Slide the desired label into position.
Grounding
Replacing LED Label