Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual - Manual (Page 96)

Publication 1797-6.5.6 - June 2005
21-2 ControlNet Ex System
ControlNet Ex System
Diagram
.
1
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1
Non-
Hazardous Location
42
47
5
CN
et
Ex
trk trm
Hazard
ous (Clas
si
fi
ed) Loc
a
tion
Clas
s I,
Zo
ne
s
0,
1 a
nd
2
,
Gr
ou
ps
II
C,
II
B,
II
A
Cla
ss I
D
ivision
1
an
d 2,
Gr
ou
ps A, B,
C
, D
Cl
ass
II,
Div
isi
on
1
an
d 2
,
Gr
ou
ps E, F
, G
Cl
ass
III
, Di
vis
ion
1
an
d
2
Ch
B
ChA
Po
we
r S
upp
ly
Vma
x=9.
5V
Imax=
1A
Ci<=
120
nF
Li=0
To
any IS device
or
associat
ed
ap
pa
ra
tu
s
wi
th
en
ti
ty
c
onc
ep
t
pa
ram
et
ers
o
f
Vo
c=
9.5
V
an
d Isc=
1A.
Nod
e
4
... 48
1797-ACNR15
A
ny IS device with
entity
co
nc
ep
t p
ar
ame
te
rs
(Vmax, I
m
ax
, Ci, Li
)
ap
pr
op
ri
at
e f
or
conn
ect
ion
to
associa
ted
app
ar
at
us
w
it
h ent
it
y
con
cep
t
pa
ra
me
te
rs liste
d in T
ab
le
2.
Maxi
m
um
devices
=8.
No
de 1
17
97-RP
A
N
ode
2
1797-RPFM
1797
-RPFM
17
86
-R
PF
M
or
A
ny associat
ed a
pp
ar
atu
s
wh
er
e th
e
ligh
t e
m
it
ti
ng
di
od
e o
ut
put
is
<5
mW/mm
2
.
CN
et
Ex
trk trm
Cont
ro
lN
et
Ex t
ap
Con
trol
N
et
Ex t
ap
The
am
bi
ent
t
em
per
at
ur
e
ra
ng
e of
t
he
Co
ntrolNe
t
Ex System is -20
o
C t
o
+70
o
C.
coax t
ru
nk
cabl
e
Con
tro
lNet
Ex t
ap
coax tr
unk cable
Con
tro
lNet
Ex t
ap
Hazard
ous (Cla
ssi
fi
ed) Loc
a
tion
Zo
ne
1
or
2
, I
IC
Clas
s I,
Zones
1 and 2, Groups II
C, II
B,
IIA
Cla
ss
I Di
visi
on
1
an
d 2
, Gro
up
s A
, B,
C, D
Clas
s II
, D
ivis
ion
1
an
d
2,
Gr
ou
ps
E,
F,
G
Cl
ass
III
, Di
visi
on
1
an
d
2
CNet
Ex
tr
k trm
Ch
A
Ch
B
Po
we
r S
upp
ly
V
m
ax
=9
.5
V
Im
ax=1
A
Ci<=1
20
nF
Li=0
To
any IS device
or
associated appar
atus
wit
h en
ti
ty co
ncep
t
pa
ram
et
ers
o
f
Vo
c=
9.5
V
an
d Isc=1
A
.
A
ny IS device with
entity
co
nc
ep
t p
ara
me
te
rs
(Vmax, Ima
x,
Ci, L
i)
appr
op
ri
at
e fo
r conn
ect
ion
to
associa
ted
app
ar
at
us
wit
h ent
it
y co
ncep
t
pa
ra
me
te
rs liste
d in T
ab
le
2.
M
axi
mu
m dev
ic
es
=8
.
Hazard
ous (Cla
ssi
fi
ed) Loc
a
tion
Class I,
Zone 1, Groups IIC, IIB, IIA
Clas
s I,
Di
visi
on
1,
Gr
ou
ps
A,
B, C, D
Class
II Division
1 G
rou
ps E, F
, G
Class III
Nod
e
3
1797-ACNR15
Ch1
Ch0
fi
be
r op
tic
ca
ble
Ch1
Ch0
Po
wer Sup
ply
V
m
ax
=9
.5
V
Im
ax=1
A
Ci
<=1
20n
F
Li=0
To
any IS device
or
associat
ed
ap
pa
ra
tu
s
wit
h ent
it
y co
ncep
t
par
am
et
er
s of
Vo
c=
9.5
V
and
Isc=1
A
.