Rockwell Automation 1797-OB4D FLEX Ex 24V DC Nonisolated Source 4 Output Module User Manual
Page 17
FLEX Ex I/O 24V DC 4 Non-Isolated Source Output Module 17
Publication
1797-5.6 - June 2011
Cooperative Operation of the ControlNet Ex Adapter and FLEX Ex
Output Modules
The ControlNet Ex adapter (1797-ACNR15) combined with FLEX Ex
output module provides a two-tier fault state mechanism. It is important to
consider and understand the operation of this mechanism when designing
your system.
Two sets of programmable fault states are available, one each in the adapter
and output module. This two-tier method is meant to give you a wider fault
coverage compared with normal methods.
Certifications
Certifications when product
is marked
(1)
(1)
See the Product Certification link at
for Declaration of Conformity, Certificates,
and other certification details.
Value
CENELEC
II (1) 2G Ex ib[ia] IIC T4
II (1) D [Ex iaD]
UL, C-UL
Class I, Groups A, B, C and D; Class II, Groups E, F and
G; Class III Hazardous Locations
Class I, Zone 1, AEx ib[ia] IIC T4.
FM
Intrinsically safe Class I, Div 1, Groups A, B, C, D, T4.
Associated Apparatus with instrincally safe
connections Class I, II, III, Div 1, Groups A-G.
Intrinsically safe Class I, Zone 1, AEx ib[ia] IIC T4.
INMETRO
BR-Ex ia/ib IIB/IIC T4
IECEx
[Zone 0] Ex ib[ia] IIC T4
[Ex iaD]