12
INM F300 rev 6
DRAFT - 09 July 2019
10 .2 IECEx Control drawings
FIELDBUS
PO
WER
SUP
PL
Y
U
o
≤
32V
I
o
≤
2A
In
stall
accor
din
g
to
pow
er
supply
in
st
ruc
tio
ns
to
e
ns
ur
e
m
ax
imu
m
vo
lta
ge
and
curre
nt
outpu
t is
not
exceeded
.
+
S
-
+
S
-
+
-
24VD
C
Power
Sour
ce
(typic
al
)
H
ost
C
onnection
(typical)
NO
N-
HAZARDOUS LO
CATIO
N
Sh
ield
is
groun
ded
for
reasons
othe
r than
E
lectrical
Sa
fety
Ex
nA
IIC
T4
-50°
C
≤
T
amb
≤
70°
C
HAZARDOUS (CLASSIFIED)
LOCATION
Black
Tr
unk
C
onnections
F97
U
i
=32
V
Ii
=
2A
+
S
-
A
pproved
by:
C
yr
us
Ke
lly
D
oc.
No.
50
2-485
R
ev
. E.
0
2221
Yew
Stre
et,
For
est
Gr
ove,
Orego
n
97116
USA
F3
xx
Megab
lock™
Fieldbus
Conne
ction
Block
(F
30
8,
8
-s
pu
r s
er
ie
s
sh
ow
n)
Gray
spur
con
nect
ions
ar
e
Cur
rent
limite
d
to
53.5m
A
(nominal)
U
i
=32
V
I
i
=
2A
+
S
-
+
S
-
+
S
-
+
S
-
+
S
-
+
S
-
+
S
-
+
S
-
+
S
-
+
S
-
Fu
sing
of
the
powe
r
source
is
recommend
ed
Installation
must
be
in
accor
dance
with
any
applicable
local
ele
ctr
ical
req
uir
ements.
WA
RNING
–
EXPLOSION
HAZARD.
DO
NO
T
DISCONNECT
EQUIPMENT
WHEN
A
FLAMMABLE
OR
COMBUSTIBLE
ATMOS
PHERE
IS
PRESENT
C
ON
TR
O
L DR
AW
IN
G FO
R F3
XX
M
EG
ABL
O
C
K™
S
ERI
ES
F
IE
LD
BU
S
C
O
N
N
EC
TI
O
N
B
LO
C
KS
IECEx
Ex
nA
INSTALLATIONS
Galvanic
isolation
in
accor
danc
e
with
IEC
61010
pr
ovid
ed
by
Power
Source
or
Power
Supply.
S
he
et
1
o
f 4
If
the
Field
bus
Po
wer
Su
pply
is
protected
by
a
type
of
pro
tect
ion
liste
d
in
IEC
6007
9-0,
it
m
ay
b
e
in
st
al
le
d
in
th
e
H
az
ard
ous
A
rea
.
Meg
ablo
ck™
Part
Nu
mb
ers:
F3
xx[-V2][-T][-PC][-P
D
]
xx
–
in
di
ca
te
s
th
e
nu
m
be
r o
f s
pu
rs
(0
4,
0
8,
1
2,
o
r 1
6)
-V2
–
option
for
no
over-
vo
ltag
e
prote
ction
-T
–
option
fo
r a
built-in
ter
m
ina
tor
-P
C
–
o
pt
io
n
fo
r p
lu
gg
ab
le
spring
clamp
connector
s
-PD
–
option
for
pluggable
insulat
ion
di
splacement
conne
ctor
s
Standa
rd
connector
s
ar
e
Pluggable
Screw
Ter
m
in
al
type.
Th
e
F97
is
not
use
d
if
the
F3xx
conta
ins
an
inter
nal
Te
rminator
(-T
par
t number
su
ffix).
Wire
Req
uirem
ent
s:
Con
nect
or
Ty
pe
AWG
To
rque
Screw
Terminal
22-
14
0.5-
0.6Nm
Spring
C
lam
p
24-
12
NA
Insulatio
n
Displacement
20-
18
NA
F3xx
Megablock
Ter
m
in
ator
Gray
Spur
(Fieldbus
Dev
ice)
Con
nections
Gray
Spur
(Fieldbus
Dev
ice)
Con
nections
Sp
ecial
Con
dit
ion
s
of
Safe
Use
The
F3xx
M
egablock
is
to
be
installed
in
an
enclosur
e
which
maintains
a
min
imum
ingr
ess
pr
otection
rat
ing
of
IP54
and
meets
the
enclosu
re
requ
irements
of
IEC60
079-
0
and
IEC6
0079-
15.
Provisions
sh
all
be
ma
de
extern
ally
to
the
F3xx
to
pr
event
the
rated
inpu
t being
exceed
ed
by
tran
sient
disturba
nce
s
of
more
th
an
140%
of
the
rated
voltage.
Date
:
10
FE
B
2017
Agency
dr
awing
chan
ges
not
allow
ed
without
pr
ior
wr
itt
en
permission
from
Agency.
