Allen-Bradley SLC 500 Manual de usuario

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

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2Installation Instructions

Publication 1746-IN004B-EN-P - March 2008

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 or circumstances 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 to identify a hazard,

avoid a hazard, and recognize the consequences.

SHOCK HAZARD

Labels may be on or inside the equipment, for example, a drive or motor, to alert

people that dangerous voltage may be present.

BURN HAZARD

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

4Installation Instructions

Publication 1746-IN004B-EN-P - March 2008

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.

Installation Instructions 5

Publication 1746-IN004B-EN-P - March 2008

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.

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.

ATTENTION

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.

IMPORTANT If the equipment is not installed and used as described in this

manual, the protection provided by the equipment may be

impaired.

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).

6Installation Instructions

Publication 1746-IN004B-EN-P - March 2008

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.

Installation Instructions 7

Publication 1746-IN004B-EN-P - March 2008

Install the Chassis Interconnect Cable (optional)

To connect up to three SLC 500 chassis together, install the chassis interconnect

cable before installing the power supply.

Power Supply Installation

1. Align the circuit board of the power supply with the card guides on the left

side of the chassis.

2. Slide the power supply in until it is flush with the chassis. Then fasten the

power supply to the chassis.

SLC 500 Chassis/A

For more information, see the SLC 500

Modular Hardware Style User

Manual, publication 1747-UM011.

Use these screws to fasten the power supply

to the chassis with 1.2 Nm (11 lb-in) torque,

max.

8Installation Instructions

Publication 1746-IN004B-EN-P - March 2008

Power Supply Wiring

1. Place the input voltage jumper to match the input voltage. (This does not

apply to the 1746-P3, 1746-P5, 1746-P6, and 1746-P7 power supplies, which

do not have a jumper.)

TIP For more information on wiring, see Allen-Bradley

Programmable Controller Grounding and Wiring Guidelines,

publication 1770-4.1.

Refer to publication 1746-IN016, for chassis installation and

grounding requirements.

ATTENTION

Set the input jumper before applying power. Hazardous

voltage is present on exposed pins when power is

applied; contact with the pin may cause injury to

personnel.

WARNING

If you connect or disconnect the wiring to the terminal

blocks or if you insert or remove the power supply while

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.

Catalog Numbers

1746-P1 & 1746-P2 Catalog Number

1746-P4

Fuse

Jumper Selection

100/120 Volts

200/240 Volts

85-132V ac

170-250V ac

Installation Instructions 9

Publication 1746-IN004B-EN-P - March 2008

2. Connect the ground screw of the power supply to the nearest ground or

ground bus. Use a 1.68 mm (#14 AWG) 75°Copper wire (Category 1 per

Industrial Automation Wiring and Grounding Guidelines, publication

1770-4.1) and keep the leads as short as possible. The 1746-P4 is shown

below.

3. Refer to page 11 for special wiring considerations for the 1746-P3.

4. Connect incoming power. See illustration on page 10.

ATTENTION

Turn off incoming power before connecting wires;

failure to do so could cause injury to personnel and/or

equipment.

Use 1.68 mm (#14 AWG) Copper wire. Tighten terminal

screws to 0.8 Nm (7 lb-in).

Chassis Ground

Nearest Ground Bus

Tighten terminal screws to

0.8 Nm (7 lb-in).

10 Installation Instructions

Publication 1746-IN004B-EN-P - March 2008

ATTENTION

Your SLC 500 power supply can be damaged by voltage surges

when switching inductive loads such as motors, motor starters,

solenoids, and relays. To avoid damage to your SLC 500 power

supply in these applications, use an isolation transformer to

isolate the power supply from harmful voltage surges.

120/240V ac

VAC NEUT DC NEUT

+ 24V dc

JUMPER

170–250 V ac

L2 NEUTRAL

L1 85–132/170–250

85–132V ac

+125V dc

DC NEUT

CHASSIS GROUND

CHASSIS GROUNDCHASSIS GROUND

CHASSIS GROUND

+48V dc

DC NEUT

CHASSIS GROUNDCHASSIS GROUND

DC NEUT

+ 12/24V dc

CHASSIS GROUND

Catalog Number

1746-P3

Catalog Number

1746-P4 Catalog Number

1746-P5

Catalog Number

1746-P6

Catalog Number

1746-P7

Catalog Number

1746-P1 & P2

Incoming

Power

Incoming

Power

Incoming

Power

Incoming

Power

Incoming

Power

Jumper

Selection

Incoming

Power

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