Rockwell Automation 1734-OE4C Manuale utente
Installation Instructions
POINT I/O 4 Channel Analog Current Output
Module
Catalog Number 1734-OE4C
Topic Page
Important User Information 2
Environment and Enclosure 3
Prevent Electrostatic Discharge 4
European Hazardous Location Approval 5
North American Hazardous Location Approval 6
About the Module 7
Install the Mounting Base 8
Install the I/O Module 9
Install the Removable Terminal Block (RTB) 11
Remove a Mounting Base 11
Communicate with Your Module 12
Wire the Current Output Analog Module 14
Interpret the Status Indicators 15
Specifications 17
Additional Resources 22
2POINT I/O 4 Channel Analog Current Output Module
Publication 1734-IN034B-EN-P - November 2010
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://literature.rockwellautomation.com) 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 orcircumstances that can cause an explosion
in a hazardous environment, which may lead to personal injury or death, property
damage, or economic loss.
IMPORTANT
Identifies information that is critical for successful application and understanding
of the product.
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.
POINT I/O 4 Channel Analog Current Output Module 3
Publication 1734-IN034B-EN-P - November 2010
Environment and Enclosure
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, V2, V1, V0 (or equivalent) if
non-metallic. 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:
• Industrial Automation Wiring and Grounding Guidelines, Rockwell
Automation 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 different types of enclosure.
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.
WARNING
When you connect or disconnect the Removable Terminal Block (RTB) with
field side power applied, 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.
4POINT I/O 4 Channel Analog Current Output Module
Publication 1734-IN034B-EN-P - November 2010
Prevent Electrostatic Discharge
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.
ATTENTION
POINT I/O 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, 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.
ATTENTION
If this equipment is used in a manner not specified by the manufacturer, the
protection provided by the equipment may be impaired.
ATTENTION
To comply with UL restrictions, field power and all connected devices must be
powered from a single source compliant with the following:
Class 2.
ATTENTION
To comply with the CE Low Voltage Directive (LVD), field power and all
connected I/O must be powered from a source compliant with the following:
Safety Extra Low Voltage (SELV) or Protected Extra Low Voltage (PELV).
POINT I/O 4 Channel Analog Current Output Module 5
Publication 1734-IN034B-EN-P - November 2010
European Hazardous Location Approval
European Zone 2 Certification (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 and 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 60079-15 and EN 60079-0.
WARNING
Observe the following additional Zone 2 certification requirements.
• This equipment is not resistant to sunlight or other sources of UV
radiation.
• The secondary of a current transformer shall not be open-circuited when
applied in Zone 2 environments.
• This equipment must be installed in an enclosure providing at least IP54
protection when applied in Zone 2 environments.
• This equipment shall be used within its specified ratings defined by
Rockwell Automation.
• Provision shall be made to prevent the rated voltage from being exceeded
by transient disturbances of more than 40% when applied in Zone 2
environments.
• Secure any external connections that mate to this equipment by using
screws, sliding latches, threaded connectors, or other means provided
with this product.
• Do not disconnect equipment unless power has been removed or the area
is known to be nonhazardous.
6POINT I/O 4 Channel Analog Current Output Module
Publication 1734-IN034B-EN-P - November 2010
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.
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.
AVERTISSEMENT
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
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.
WARNING
When you connect or disconnect the Removable Terminal Block (RTB) with
field side power applied, 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.
POINT I/O 4 Channel Analog Current Output Module 7
Publication 1734-IN034B-EN-P - November 2010
About the Module
Note that this series C product can be used with the following:
• DeviceNet and PROFIBUS adapters
• ControlNet and EtherNet/IP adapters, using RSLogix 5000 software,
version 11 or later
See the figures to familiarize yourself with major parts of the module, noting
that the wiring base assembly is one of the following:
• 1734-TB or 1734-TBS POINT I/O two-piece terminal base, which
includes the 1734-RTB removable terminal block and 1734-MB
mounting base
• 1734-TOP or 1734-TOPS POINT I/O one-piece terminal base
Module
Status
Network
Status
NODE:
0
1
2
3
Mechanical
keying (orange)
Module wiring
diagram
Module locking
mechanism
Insertable I/O
module
Mounting base
RemovableTerminal
Block (RTB)
RTB removal
handle
DIN rail locking
screw (orange)
Slide-in writable
label
Interlocking side
pieces
44328
8POINT I/O 4 Channel Analog Current Output Module
Publication 1734-IN034B-EN-P - November 2010
Install the Mounting Base
To install the mounting base on the DIN rail, 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 will snap into place.
4. To remove the mounting base from the DIN rail, remove the module,
and use a small bladed screwdriver to rotate the base locking screw to
a vertical position. This releases the locking mechanism. Then lift
straight up to remove.
44221
1734-TOP or
1734-TOPS
one-piece terminal
base with screw or
spring clamp
Insertable
I/O module
Slide-in
writable label
Handle
Module locking
mechanism
Interlocking
side pieces
DIN rail locking
screw (orange)
Module wiring
diagram
Mechanical
keying (orange)
POINT I/O 4 Channel Analog Current Output Module 9
Publication 1734-IN034B-EN-P - November 2010
Install the I/O 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 referenced to the base.
1734-TB Base
Be sure the DIN-rail
locking screw is in the
horizontal position.
Turn the keyswitch to align
the number with the notch.
Notch position 3 is shown.
44229
44009
10 POINT I/O 4 Channel Analog Current Output Module
Publication 1734-IN034B-EN-P - November 2010
1734-TOP Base
1. Using a bladed screwdriver, 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.
3. Insert the module straight down into the mounting base and press to
secure. The module will lock into place.
Turn the keyswitch to align
the number with the notch.
Notch position 1 is shown.
Be sure the DIN-rail
locking screw is in the
horizontal position.
44228
44325
Indice
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