Rockwell Automation 1797-IE8NF FLEX Ex 8 Input Analog, HART and Noise Filter Module - Manual (Page 45)

FLEX Ex 8 Input Analog, HART, and Noise Filter Analog Modules 45
Publication 1797-5.5 - September 2011
Table 2
The entity concept allows interconnection of intrinsically safe apparatus
with associated apparatus not specifically examined in combination as a
system when the approved values of V
oc
and I
sc
or V
t
and I
t
of the associated
apparatus are less than or equal to V
max
and I
max
of the intrinsically safe
IMPORTANT A terminal base may or may not have an I/O module installed.
Terminals V
t
(V) I
t
(mA) Groups C
a
(
μ
F) L
a
(
μ
H)
Male Bus Connector 5.8 400 A…G 3.0 3.0
Hazardous (Classified) Location
Class I, Zones 0, 1, & 2 Groups IIC,
IIB, IIA
Class I, Div. 1 & 2 Groups A, B, C, D
Class II, Div. 1 & 2 Groups E, F, G
Class III, Div. 1 & 2
Hazardous (Classified) Location
Class I, Zones 1 & 2 Groups IIC, IIB, IIA
Class I, Div. 1 & 2 Groups A, B, C, D
To any intrinsically safe
device or associated
apparatus with Entity
Concept parameters of
V
oc
< 5.8V; I
sc
< 400 mA.
To any intrinsically safe
device or associated
apparatus with Entity
Concept parameters of
V
oc
< 9.5V; I
sc
< 1 A.
To any IS device with Entity
Concept parameters of
(V
max
, I
max
, C
i
, L
i
) appropriate
for connection to associated
apparatus with Entity Concept
parameters listed in Table 2.
1797-IE8
or
1797-IE8NF
16
Shield Connection Only
50
51
35
34
V max =5.8V
I max =400 mA
C i =1350 nF
L i =negligible
V max =9.5V
I max =1 A
C i =negligible
L i =negligible
Male Bus
Connector
33
40
41
42
43
44
45
0 (+)
Female Bus
Connector
Any Simple Apparatus or I.S.
device with Entity Concept
parameters (V
max
, I
max
, C
i
, L
i
)
appropriate for connection to
associated apparatus with Entity
Concept parameters listed in Table 1. 1 (sig)
ch0
ch1
ch2
ch3
ch4
ch5
ch6
ch7
2 (-)
4 (+)
5 (sig)
6 (-)
8 (+)
9 (sig)
10 (-)
12 (+)
13 (sig)
14 (-)
17 (+)
18 (sig)
19 (-)
21 (+)
22 (sig)
23 (-)
25 (+)
26 (sig)
27 (-)
29 (+)
30 (sig)
31 (-)
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