Rockwell Automation 1746-Px Installation Instructions
Installation Instructions
SLC 500 Power Supplies
Catalog Numbers 1746-P1, 1746-P2, 1746-P3, 1746-P4, 1746-P5, 1746-P6,
1746-P7
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1746-in004_-mu-p.pdf
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Publication 1746-IN004B-EN-P - March 2008
2 Installation Instructions
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
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.
) describes some important differences between solid state
WARNING
IMPORTANT
ATTENTION
SHOCK HAZARD
BURN HAZARD
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.
Identifies information that is critical for successful application and understanding of
the product.
Identifies information about practices or circumstances that can lead to personal injury
or death, property damage, or economic loss. Attentions help you to identify a hazard,
avoid a hazard, and recognize the consequences.
Labels may be on or inside the equipment, for example, a drive or motor, to alert
people that dangerous voltage may be present.
Labels may be on or inside the equipment, for example, a drive or motor, to alert
people that surfaces may reach dangerous temperatures.
Publication 1746-IN004B-EN-P - March 2008
Installation Instructions
SLC 500 Power Supplies
Catalog Numbers 1746-P1, 1746-P2, 1746-P3, 1746-P4, 1746-P5, 1746-P6,
1746-P7
Publication 1746-IN004B-EN-P - March 2008
4 Installation Instructions
ATTENTION
!
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 m (6561 ft) 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 the
Allen-Bradley Industrial Automation Wiring and Grounding
Guidelines, publication 1770-4.1, for additional installation
requirements pertaining to this equipment.
Publication 1746-IN004B-EN-P - March 2008
Installation Instructions 5
Overview
Install your power supply using these installation instructions. The only tools you
require are flat head (1/8”) and Phillips head (1/4”, #2) screwdrivers.
ATTENTION
!
IMPORTANT
Electrostatic discharge can damage integrated circuits or
semiconductors if you touch backplane connector pins. Follow
these guidelines when you handle the power supplies.
• Touch a grounded object to discharge static potential.
• Do not touch the backplane connector or connector pins.
• Do not touch circuit components inside the power supply.
• Use a static-safe work station, if available.
• Keep the power supplies in their static-shield packaging
when not in use.
If the equipment is not installed and used as described in this
manual, the protection provided by the equipment may be
impaired.
Hazardous Location Considerations
Products marked CL1, DIV 2, GP A, B, C, D are suitable for use in Class I, Division
2, Groups A, B, C, D or 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.
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 using screws, sliding latches, threaded
connectors, or other means provided with this product.
• Substitution of components may impair suitability for Class
I, Division 2.
• All wiring must comply with N.E.C. article 501-4(b).
Publication 1746-IN004B-EN-P - March 2008
6 Installation Instructions
Environnements dangereux
Les produits marqués « CL 1, 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
!
DANGER D’EXPLOSION
• Coupez l’alimentation ou vérifiez que l’environnement est
classé non dangereux avant de débrancher l’équipement.
• Coupez l’alimentation ou vérifiez que l’environnement est
classé non dangereux avant de débrancher les connecteurs.
Fixez 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
impropre à une utilisation en environnement de Classe I,
Division 2.
• Le câblage doit être conforme à l’article 501-4(b) du code
national de l’électricité aux Etats-Unis et aux
réglementations locales en vigueur.
Publication 1746-IN004B-EN-P - March 2008
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