FLEX I/O DC Input, Output, and
Input/Output Analog Modules
Catalog Numbers 1794-IE12, 1794-OE12, and 1794-IE8XOE4
Table of Contents
Top icPa ge
Important User Information2
Environment and Enclosure3
Prevent Electrostatic Discharge3
North American Hazardous Location Approval5
Install Your Analog Input/Output Module6
Connect Wiring6
Configuring Your Module11
Data Table – 1794-IE1211
Data Table – 1794-OE1213
Data Table – 1794-IE8XOE414
Specifications15
2 FLEX I/O DC Input, Output, and Input/Output Analog Modules
Important User Information
Solid state equipment has operational characteristics differing from those of electromechanical
equipment Safety Guidelines for the Application, Installation and Maintenance of Solid State Controls
(Publication SGI-1.1
http://literature.rockwellautomation.com
equipment and hard-wired electromechanical devices. Because of this difference, and also because of the
wide variety of uses for solid state equipment, all persons responsible for applying this equipment must
satisfy themselves that each intended application of this equipment is acceptable.
In no event will Rockwell Automation, Inc. be responsible or liable for indirect or consequential damages
resulting from the use or application of this equipment.
The examples and diagrams in this manual are included solely for illustrative purposes. Because of the
many variables and requirements associated with any particular installation, Rockwell Automation, Inc.
cannot assume responsibility or liability for actual use based on the examples and diagrams.
No patent liability is assumed by Rockwell Automation, Inc., with respect to use of information, circuits,
equipment, or software described in this manual.
Reproduction of the contents of this manual, in whole or in part, without written permission of Rockwell
Automation, Inc., is prohibited.
Throughout this manual we use notes to make you aware of safety considerations.
available from your local Rockwell Automation sales office or online at
WARNING: Identifies information about practices or circumstances that can cause an
explosion in a hazardous environment, which may lead to personal injury or death,
property damage, or economic loss.
ATTENTION: Identifies information about practices or circumstances that can lead to
personal injury or death, property damage, or economic loss. Attentions help you:
identify a hazard, avoid a hazard, and recognize the consequences.
) describes some important differences between solid state
SHOCK HAZARD: Labels may be located on or inside the equipment (for example, drive
or motor) to alert people that dangerous voltage may be present.
BURN HAZARD: Labels may be located on or inside the equipment (for example, drive
or motor) to alert people that surfaces may be dangerous temperatures.
IMPORTANT
Identifies information that is critical for successful application and understanding of the
product.
Publication 1794-IN106D-EN-E - January 2014
FLEX I/O DC Input, Output, and Input/Output Analog Modules 3
Environment and Enclosure
This equipment is intended for use in a Pollution Degree 2 industrial
environment, in overvoltage Category II applications (as defined in IEC
publication 60664-1), at altitudes up to 2000 meters without derating.
This equipment is considered Group 1, Class A industrial equipment according
to IEC/CISPR Publication 11. Without appropriate precautions, there may be
potential difficulties ensuring electromagnetic compatibility in other
environments due to conducted as well as radiated disturbance.
This equipment is supplied as open-type equipment. It must be mounted within
an enclosure that is suitably designed for those specific environmental
conditions that will be present and appropriately designed to prevent personal
injury resulting from accessibility to live parts. The interior of the enclosure
must be accessible only by the use of a tool. Subsequent sections of this
publication may contain additional information regarding specific enclosure
type ratings that are required to comply with certain product safety
certifications.
See NEMA Standards publication 250 and IEC publication 60529, as
applicable, for explanations of the degrees of protection provided by different
types of enclosure. Also, see the appropriate sections in this publication, as
well as Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley
publication 1770-IN041
this equipment.
Prevent Electrostatic Discharge
, for additional installation requirements pertaining to
ATTENTION: This equipment is sensitive to electrostatic discharge, which can
cause internal damage and affect normal operation. Follow these guidelines
when you handle this equipment:
• Touch a grounded object to discharge potential static.
• Wear an approved grounding wriststrap.
• Do not touch connectors or pins on component boards.
• Do not touch circuit components inside the equipment.
• Use a static-safe workstation, if available.
• Store the equipment in appropriate static-safe packaging when not in use.
Publication 1794-IN106D-EN-E - January 2014
4 FLEX I/O DC Input, Output, and Input/Output Analog Modules
WARNING: If you insert or remove the module while backplane power is on,
an electrical arc can occur. This could cause an explosion in hazardous
location installations. Be sure that power is removed or the area is
nonhazardous before proceeding.
WARNING: If you connect or disconnect wiring while the field side power is
on, an electrical arc can occur. This could cause an explosion in hazardous
location installations. Be sure that power is removed or the area is
nonhazardous before proceeding.
ATTENTION: This product is grounded through the DIN rail to chassis
ground. Use zinc plated yellow-chromate steel DIN rail to assure proper
grounding. The use of other DIN rail materials (such as aluminum or plastic)
that can corrode, oxidize, or are poor conductors, can result in improper or
intermittent grounding.
ATTENTION: To comply with the CE Low Voltage Directive (LVD), all
connections to this equipment must be powered from a source compliant
with the following:
Safety Extra Low Voltage (SELV) or Protected Extra Low Voltage (PELV).
Publication 1794-IN106D-EN-E - January 2014
FLEX I/O DC Input, Output, and Input/Output Analog Modules 5
North American Hazardous Location Approval
The following information applies when
operating this equipment in hazardous
locations:
Products marked CL I, DIV 2, GP A, B, C, D are suitable for
use in Class I Division 2 Groups A, B, C, D, hazardous
locations and nonhazardous locati ons only. Each product
is supplied with markings on the rating n ameplate
indicating the hazardous location temperat ure code.
When combining products within a system, the most
adverse temperature code (lowest “T ” number) may be
used to help determine the overall temperature code of
the system. Combinations of equipment in your system
are subject to investigation by the local Authority Havin g
Jurisdiction at the time of installation.
WARNING: EXPLOSION
HAZARD
• Do not disconnect equipment
unless power has been removed or
the area is known to be
nonhazardous.
• Do not disconnect connections to
this equipment unless power has
been removed or the area is known
to be nonhazardous. Secure any
external connections that mate to
this equipment by using screws,
sliding latches, threaded
connectors, or other means
provided with this product.
• Substitution of components may
impair suitability for Class I,
Division 2.
• If this product contains batteries,
they must only be changed in an
area known to be nonhazardous.
Informations sur l’utilisation de cet équipement
en environnements dangereux:
Les produits marqués CL I, DIV 2, GP A, B, C, D ne conviennent
qu’à une utilisation en environnements de Classe I Division 2
Groupes A, B, C, D dangereux et non dange reux. Chaque produit
est livré avec des marquages sur sa plaque d’identification qu i
indiquent le code de température pou r les environnements
dangereux. Lorsque plusieurs produits sont co mbinés dans un
système, le code de température le plus défavorable (code de
température le plus faible) peut être uti lisé pour déterminer le
code de température global du système. Les combinaisons
d’équipements dans le système sont sujettes à inspect ion par
les autorités locales qualifiées au moment de l’installation.
WARNING: RISQUE
D’EXPLOSION
• Couper le courant ou s’assurer que
l’environnement est classé non
dangereux avant de débrancher
l'équipement.
• Couper le courant ou s'assurer que
l’environnement est classé non
dangereux avant de débrancher les
connecteurs. Fixer tous les connecteurs
externes reliés à cet équipement à l'aide
de vis, loquets coulissants, connecteurs
filetés ou autres moyens fournis avec ce
produit.
• La substitution de composants peut
rendre cet équipement inadapt é à une
utilisation en environnement de Classe I,
Division 2.
• S’assurer que l’environnement est classé
non dangereux avant de changer les
piles.
Publication 1794-IN106D-EN-E - January 2014
6 FLEX I/O DC Input, Output, and Input/Output Analog Modules
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7
1
6
5
4
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45284
Install Your Analog Input/Output Module
DescriptionDescription
1Keyswitch5Groove
2Terminal base6Alignment bar
3FLEXBus connector7Latching mechanism
4Module
These modules mount on a 1794-TB3G or 1794-TB3GS terminal base.
1. Rotate the keyswitch (1) on the terminal base (2) clockwise to position 3
(1794-IE12), 4 (1794-OE12), or 5 (1794-IE8XOE4) as required.
2. Make certain the FLEXBus connector (3) is pushed all the way to the left to
connect with the neighboring terminal base/adapter. You cannot install the
module unless the connector is fully extended.
3. Make sure the pins on the bottom of the module are straight so they will align
properly with the connector in the terminal base.
4. Position th e module (4) with its alignment bar (5) aligned with the groove (6) on
the terminal base.
5. Press firmly and evenly to seat the module in the terminal base unit. The module
is seated when the latching mechanism (7) is locked into the module.
ATTENTION: During mounting of all devices, be sure that all debris (such as
metal chips, and wire strands) is kept from falling into the module. Debris
that falls into the module could cause damage on power up.
Publication 1794-IN106D-EN-E - January 2014
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