Rockwell Automation 2755 Enhanced Decoder Series B - Manual (Page 43)

4–4 Installing the Decoder
Publication 2755-833
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of 6 inches (152 mm) below the decoder to wire I/O modules and
to access the power entry/power switch
To mount the decoder, we recommend that you use four 1 /
4
inch (M6)
hex-head capscrews or bolts with flat and split lockwashers and nuts.
Select a bolt that equals the thickness of the mounting surface, plus
the thickness of the washers, plus at least
1 /
2
inch (12.7 mm) to
accommodate the mounting brackets of the decoder and the nut.
The NEMA Type 1 decoder has a standard IEC 320 power entry
connector.
Figure 4.3 shows the available power cord options for the NEMA
Type 1 decoder. Unless an alternate power cord is ordered, the
decoder is shipped with a 120 VAC terminated (3 prong) U.S. power
cord.
Figure 4.3 Power cord options for NEMA Type 1 decoder
Power Cord Options
0 1
Brown (Line) Blue (Neutral) Green/Y
ellow (Earth Ground)
Green (Earth Ground) White (Neutral) Black (Line)
IEC 320
Connector
ON/OFF
Power Switch
①
① 120 VAC, IEC 320 terminated (three prong) U.S. style power cord
(6 ft./1.83m). Default. Shipped with decoder unless otherwise specified.
② 240 VAC, IEC 320 three wire (U.S. Color Code) unterminated power cord
(6ft./1.83 m).
③ 240 VAC, IEC 320 three wire (European Harmonized Code) unterminated
power cord. (UL listing/CSA approval not applicable when this cord is used.)
( 8 ft. 2 in./2.5 m)
② ③
!
ATTENTION: Disconnect incoming power and make
sure the power switch on the decoder is in the off
position before connecting power cord to power
source.
The NEMA Type 4 decoder has a standard 3-pin power connector
with a separate ON/OFF toggle switch.
Installing Power Cord