Allen-Bradley POINT I/O series Manual de usuario
Installation Instructions
POINT I/O 2 and 4 Relay Output Modules
Catalog numbers 1734-OW2, 1734-OW4, Series C
Table of Contents
Topic Page
Important User Information 2
Environment and Enclosure 3
Preventing Electrostatic Discharge 3
North American Hazardous Location Approval 4
European Hazardous Location Approval 5
About the Module 6
Mount the I/O Base 8
Install the Module 9
Install the Removable Terminal Block 12
Remove a Mounting Base 14
Communicate with Your Module 14
Wire the Module 15
Interpret Status Indicators 19
Specifications 21
2POINT I/O 2 and 4 Relay Output Modules
Publication 1734-IN055H-EN-E - August 2016
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 available from your local Rockwell Automation sales office or online at
http://www.rockwellautomation.com/literature/) describes some important differences between
solid-state 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, when necessary, we use notes to make you aware of safety considerations.
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.
SHOCK HAZARD: Labels may be on or inside the equipment (for example, drive or
motor) to alert people that dangerous voltage may be present.
BURN HAZARD: Labels may be on or inside the equipment (for example, drive or
motor) to alert people that surfaces may reach dangerous temperatures.
IMPORTANT
Identifies information that is critical for successful application and understanding of
the product.
POINT I/O 2 and 4 Relay Output Modules 3
Publication 1734-IN055H-EN-E - August 2016
Environment and Enclosure
Preventing Electrostatic Discharge
ATTENTION: This equipment is intended for use in a Pollution Degree 2
industrial environment, in overvoltage Category II applications (as defined in IEC
60664-1), at altitudes up to 2000 m (6562 ft) without derating.
This equipment is considered Group 1, Class A industrial equipment according
to IEC/CISPR 11. Without appropriate precautions, there may be difficulties
with electromagnetic compatibility in residential and other environments due to
conducted and radiated disturbances.
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 enclosure must have
suitable flame-retardant properties to prevent or minimize the spread of flame,
complying with a flame spread rating of 5VA or be approved for the application
if nonmetallic. 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.
In addition to this publication, see the following:
• Industrial Automation Wiring and Grounding Guidelines, publication
1770-4.1, for additional installation requirements.
• NEMA Standard 250 and IEC 60529, as applicable, for explanations of the
degrees of protection provided by enclosures.
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 wrist strap.
• 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.
4POINT I/O 2 and 4 Relay Output Modules
Publication 1734-IN055H-EN-E - August 2016
North American Hazardous Location Approval
The following information applies when
operating this equipment in hazardous
locations:
Informations sur l’utilisation de cet équipement
en environnements dangereux:
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
locations only. Each product is supplied with
markings on the rating nameplate indicating the
hazardous location temperature 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 Having
Jurisdiction at the time of installation.
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
dangereux. Chaque produit est livré avec des
marquages sur sa plaque d'identification qui indiquent
le code de température pour les environnements
dangereux. Lorsque plusieurs produits sont combinés
dans un système, le code de température le plus
défavorable (code de température le plus faible) peut
être utilisé pour déterminer le code de température
global du système. Les combinaisons d'équipements
dans le système sont sujettes à inspection par les
autorités locales qualifiées au moment de
l'installation.
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.
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 inadapté à une
utilisation en environnement de
Classe I, Division 2.
•S'assurer que l'environnement est
classé non dangereux avant de
changer les piles.
WARNING: Exposure to some chemicals may degrade the sealing properties of
materials used in the following devices:
Relay K2 and K4, Epoxy for 1734-OW2, and Relay K1 through K4, Epoxy
for 1734-OW4.
It is recommended that the User periodically inspect these devices for any
degradation of properties and replace the module if degradation is found.
POINT I/O 2 and 4 Relay Output Modules 5
Publication 1734-IN055H-EN-E - August 2016
European Hazardous Location Approval
The following applies when the product bears the Ex Marking
This equipment is intended for use in potentially explosive atmospheres as defined by
European Union Directive 94/9/EC.
DEMKO certifies that this equipment has been found to comply with the Essential Health
and Safety Requirements relating to the design and construction of Category 3 equipment
intended for use in Zone 2 potentially explosive atmospheres, given in Annex II to this
Directive.
Compliance with the Essential Health and Safety Requirements has been assured by
compliance with EN 60079-0:2012+A11:2013, EN 60079-15:2010, reference certificate
number DEMKO 04ATEX0330347X.
WARNING: This equipment shall be mounted in an ATEX certified enclosure
with a minimum ingress protection rating of at least IP54 (as defined in
IEC60529) and used in an environment of not more than Pollution Degree 2 (as
defined in IEC 60664-1) when applied in Zone 2 environments. The enclosure
must utilize a tool removable cover or door.
WARNING: This equipment shall be used within its specified ratings defined
by Rockwell Automation.
WARNING: Provision shall be made to prevent the rated voltage from being
exceeded by transient disturbances of more than 140% of the rated voltage
when applied in Zone 2 environments.
WARNING: This equipment must be used only with ATEX certified Rockwell
Automation backplanes.
WARNING: Secure any external connections that mate to this equipment by
using screws, sliding latches, threaded connectors, or other means provided
with this product.
WARNING: Do not disconnect equipment unless power has been removed or
the area is known to be nonhazardous.
WARNING: The Maximum Continuous Operating Temperature of the relay seal
is 135 °C. It is recommended that the User periodically inspect these devices for
any degradation of properties and replace the module if degradation is found.
ATTENTION: This equipment is not resistant to sunlight or other sources of
UV radiation.
6POINT I/O 2 and 4 Relay Output Modules
Publication 1734-IN055H-EN-E - August 2016
About the Module
These POINT I/O™ 2 and 4 Relay Output Modules, 1734-OW2, 1734-OW4, Series C
products can be used with DeviceNet and PROFIBUS adapters. They can be used with
ControlNet and Ethernet adapters using RSLogix 5000, version 11 or later.
See the figures to familiarize yourself with major parts of the modules. The wiring base
assembly consists of a mounting base, 1734-MB, and removable terminal block, 1734-RTB
or 1734-RTBS, and 1734-TOP or 1734-TOPS one-piece terminal base.
Modules Mounted on Removable Terminal Block and Mounting Base
Description Description
1 Module locking mechanism 6 Mounting base
2 Slide-in writable label 7 Interlocking side pieces
3 Insertable I/O module 8 Mechanical keying
4 Removable Terminal Block handle 9 DIN rail locking screw (orange)
5 Removable Terminal Block (RTB) 10 Module wiring diagram
Module
Status
Network
Status
1
10
9
8
7
2
3
4
5
6
45720
POINT I/O 2 and 4 Relay Output Modules 7
Publication 1734-IN055H-EN-E - August 2016
Modules Mounted on 1734-TOP or 1734-TOPS One-piece Terminal Base
Description Description
1 Module locking mechanism 5 Interlocking side pieces
2 Slide-in writable label 6 Mechanical keying
3 Handle 7 DIN rail locking screw (orange)
4 1734-TOP or 1734-TOPS one-piece terminal
base with screw or spring clamp 8 Module wiring diagram
1
8
7
6
5
2
3
4
45712
8POINT I/O 2 and 4 Relay Output Modules
Publication 1734-IN055H-EN-E - August 2016
Mount the I/O Base
To mount the I/O base on the DIN rail (Allen-Bradley part number 199-DR1; 46277-3;
EN50022), proceed as follows:
1. Position the mounting base vertically above the installed units (adapter, power
supply or existing module).
2. Slide the mounting base down allowing the interlocking side pieces to engage the
adjacent module or adapter.
3. Press firmly to seat the mounting base on the DIN rail. The mounting base snaps
into place.
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 (for example, aluminum or plastic) that can
corrode, oxidize, or are poor conductors, can result in improper or intermittent
grounding. Secure DIN rail to mounting surface approximately every 200 mm
(7.8 in.) and use end-anchors appropriately.
31586
POINT I/O 2 and 4 Relay Output Modules 9
Publication 1734-IN055H-EN-E - August 2016
Install the Module
The module can be installed before or after base installation. Make sure that the mounting
base is correctly keyed before installing the module into the mounting base. In addition,
make sure the mounting base locking screw is positioned horizontal in reference to
the base.
1. Using a bladed screwdriver to rotate the keyswitch on the mounting base
clockwise until the number required for the type of module being installed aligns
with the notch in the base.
2. Make certain the DIN rail locking screw is in the horizontal position.
You cannot insert the module if the locking mechanism is unlocked.
WARNING: When 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.
Repeated electrical arcing causes excessive wear to contacts on both the
module and its mating connector. Worn contacts may create electrical
resistance that can affect module operation.
10 POINT I/O 2 and 4 Relay Output Modules
Publication 1734-IN055H-EN-E - August 2016
3. Insert the module straight down into the mounting base and press to secure.
The module locks into place.
Turn the keyswitch to align the
number with the notch.
Notch position 3 is shown.
Make sure the DIN rail locking
screw is in the horizontal position.
1734-TB Base
45696
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