Specifications

Publication 1794-SG002D-EN-P - May 2012
80 Select FLEX Ex I/O Communication Adapters and Distribution Method
Figure 1 - Distribution Between Areas
1797-RPA ControlNet Ex
modular repeater
adapter
Class I Division 1 Groups A…D T4
Class I Zone 1 AEx ib IIC T4
Class II Division 1 Groups E, F, G; Class III
(1)
30 pin male TTL bus connector
U
o
≤ 5.4V DC
I
o
≤ 201mA
P
o
≤ 1.09 W
L
o
≤ 0.45 μH
C
o
≤ 71μF
U
i
≤ 9.5V DC
I
i
≤ 1A
P
i
≤ 9.5 W
L
i
= Negligible
C
i
≤ 120 nF
81
1797-RPFM ControlNet Ex fiber
repeater module,
medium distance
Class I Division 1 Groups A-D T4
Class I Zone 1 AEx ib [ia] IIC T4
Class II Division 1 Groups E, F, G; Class III
(1)
30 pin male TTL bus connector
U
o
≤ 5.4V
I
o
≤ 201 mA
P
o
≤ 1.1 W
L
o
≤ 0.45 mH
C
o
≤ 71 μF
—82
1797-BCNR Redundant
ControLnet galvanic
isolation
barrier module
II (2) G [EEx ib] IIC Open circuit voltage U
o
= 7V, max
I
o
= 14 mA (at the resonant
frequency of 66kHz)
—82
1797-BIC Bus isolator module Nonincendive, use for Class I, Division 2
Groups A…D or Class I, Zone 2 Group IIC
Provides intrinsically safe outputs to Class I,
Division 1 Groups A…D or Class I, Zone 1
Group IIC
V
t
≤ 5.75V DC
I
t
≤ 3.98.25 mA
C
a
≤ 39.67 μF
L
a
≤ 210 μH
—84
1797-CEC FlexBus connector
module
Nonincendive, use for Class I, Division 2
Groups A…D or Class I, Zone 2 Group IIC
——84
(1) For Class II Division 1 Groups E, F, G and Class III, modules must be installed in a UL listed Type 4, 4X, 6, 6P, 9, 12, or 12K enclosure.
Network Comparison by Application Requirement
Catalog
Number.
Description Agency Certification Intrinsically Safe Output
Characteristics
Intrinsically
Safe Power
Supply (V, -V)
See
page:
ControlNet network
Safe Area
Host computer
FLEX I/O
ControlLogix processor
Hazardous Area
1786 fiber hub
FLEX Ex1797 fiber hub
Coax
Fiber