Terminals v, V) i, Ma) groups c – Rockwell Automation 1797-XXX FLEX Ex System Certification Reference Manual User Manual
Page 156: Μ f) l
Publication 1797-6.5.6 - June 2005
32-4 1797-IJ2 FLEX Ex Frequency Input Module
Table 2: Flexbus Entity Values Which are Allowed for the Next
FLEX Ex I/O Module
Table 3: Flexbus Entity Values for this Module
Note: Any combination of up to eight FLEX Ex I/O modules may be
attached on a flexbus.
To any intrinsically safe
device or associated
apparatus with Entity
Concept parameters of V
oc
< 5.8V; I
sc
< 400mA.
To any intrinsically safe
device or associated
apparatus with Entity
Concept parameters of
V
oc
< 9.5V; I
sc
< 1A.
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-IJ2
16
Shield Connection Only
50
51
35
34
V
max
=5.8V
I
max
=400mA
C
i
=2.64
µF
L
i
=0
V
max
=9.5V
I
max
=1A
C
i
=0
L
i
=0
Male Bus
Connector
33
40
41
42
43
44
45
0
Female Bus
Connector
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
20
21
22
23
24
25
26
27
28
29
V
max
=28V
I
max
=93mA
C
i
=0
L
i
=0
V
max
=28V
I
max
=93mA
C
i
=0
L
i
=0
17 18 37
31 32 46
To any intrinsically safe device
or associated apparatus with
Entity Concept parameters
of V
oc
< 28V; I
sc
< 93mA.
To any intrinsically safe device
or associated apparatus with
Entity Concept parameters
of V
oc
< 28V; I
sc
< 93mA.
ch0
Freq. In
ch1
Freq. In
ch0
Gate
ch1
Gate
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: Entity Values for Field
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: Entity Values for Field
42057
Hazardous (Classified) Location
Class I, Zone 0 Groups IIC, IIB, IIA
Class I, Div. 1 Groups A, B, C, D
Class II, Div. 1 Groups E, F, G
Class III, Div. 1
Hazardous (Classified) Location
Class I, Zone 1 Groups IIC, IIB, IIA
Class I, Div. 1 Groups A, B, C, D
Class II, Div. 1 Groups E, F, G; Class
III
Terminals
V
t
(V)
I
t
(mA)
Groups
C
a
(
µF)
L
a
(
µH)
Male Bus
Connector
5.8
400
A-G
IIC, IIB, IIA
3.0
3.0
Terminals
V
max
(V)
I
max
(mA)
Groups
C
i
(
µF)
L
i
(
µH)
Female Bus
Connector
5.8
400
A-G
IIC, IIB, IIA
2.64
0