Specifications

3–3 System Installation Recommendations
Publication 1747-6.2
For most applications, normal convection cooling will keep the
adapter components within the specified operating range of 0° C to
+60° C (+32° F to +140° F). Proper spacing of components within
the enclosure is usually sufficient for heat dissipation.
In some applications, a substantial amount of heat is produced by
other equipment inside or outside the enclosure. In this case, place
blower fans inside the enclosure to assist in air circulation and to
reduce “hot spots” near the adapter.
Additional cooling provisions might be necessary when high ambient
temperatures are encountered.
Important: Do not bring in unfiltered outside air. It may introduce
harmful contaminants of dirt that could cause improper
operation or damage to components. In extreme cases,
you may need to use air conditioning to protect against
heat build-up within the enclosure.
In solid-state control systems, grounding helps limit the effects of
electrical noise due to electromagnetic interference (EMI). The
ground path for the adapter and its enclosure is provided by the
equipment grounding conductor.
Chassis
Mounting Tab
Chassis Mounting Tab
Ground
Lug
Scrape paint off panel to insure
electrical connection between chassis
and grounded metal panel.
Tapped Hole
(Minimum of Three
Threads)
Scrape paint off panel to insure
electrical connection between
chassis
and grounded metal panel.
N
ormal
E
lectrical
N
oise
C
onditions
S
evere
E
lectrical
N
oise
C
onditions
Metal Panel
(Must be connected to
earth ground.)
Tapped Hole
(Minimum of
Three Threads)
Metal Panel
(Must be connected to
earth ground.)
5.2 mm2 (10 AWG)
to Ground Bus
Size M4 or M5
(#10 or #12)
Hardware
Size M4 or M5
(#10 or #12)
Hardware
Size M4 or M5
(#10 or #12)
Internal Star
Washers
Size M4 or M5
(#10 or #12)
Internal Star
Washer
Preventin
g Ex
cessive
H
eat
G
roundin
g G
uidelines