Allen-Bradley ControlLogix 1756-PA75/B Bedienungsanleitung

Publication 1756-IN596A-EN-P - December 2004

Installation Instructions

ControlLogix Power Supplies

Catalog Numbers 1756-PA75/B, 1756-PB75/B

Use this publication when installing the ControlLogix™ power supplies.

You mount a non-redundant power supply directly on the left end of the

ControlLogix chassis, where it plugs directly into the backplane. The power supply

provides power for all modules installed in the chassis.

For more information on: See page:

Environment and Enclosure 3

Prevent Electrostatic Discharge 3

North American Hazardous Location Approval 5

Preparing for Installation 7

Installing the Power Supply 7

Connecting Equipment Protective Earth Ground 9

Verifying Grounding Configuration 10

Connecting Power 11

Removing the Protective Label 12

Activate the Power Supply 12

Understanding Input Power Requirements and Transformer Sizing 13

Troubleshooting the Power Supply 14

Specifications 15

2ControlLogix Power Supplies

Publication 1756-IN596A-EN-P - December 2004

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.ab.com/manuals/gi 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 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:

•identify a hazard

•avoid a hazard

•recognize the consequence

SHOCK HAZARD Labels may be located on or inside the drive to alert people that dangerous voltage may

be present.

BURN HAZARD Labels may be located on or inside the drive to alert people that surfaces may be

dangerous temperatures.

ControlLogix Power Supplies 3

Publication 1756-IN596A-EN-P - December 2004

Environment and Enclosure

Prevent 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 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.

NOTE: 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

publication 1770-4.1 ("Industrial Automation Wiring and

Grounding Guidelines"), for additional installation requirements

pertaining to this equipment.

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.

•If available, use a static-safe workstation.

•When not in use, store the equipment in appropriate

static-safe packaging.

4ControlLogix Power Supplies

Publication 1756-IN596A-EN-P - December 2004

European Hazardous Location Approval

If you install the module in a European Zone 2 location, consider:

European Zone 2 Certification (The following applies when the product

bears the EEx Marking)

This equipment is intended for use in potentially explosive atmospheres as

defined by European Union Directive 94/9/EC.

The LCIE (Laboratoire Central des Industries Electriques) 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 potentially explosive atmospheres, given in Annex II to this

Directive. The examination and test results are recorded in confidential report

No. 28 682 010.

Compliance with the Essential Health and Safety Requirements has been

assured by compliance with EN 50021.

IMPORTANT When using this product, also consider the following:

•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 Class I, Zone 2

environments.

•Equipment of lesser Enclosure Type Rating must be

installed in an enclosure providing at least IP54 protection

when applied in Class I, Zone 2 environments.

•This equipment shall be used within its specified ratings

defined by Allen-Bradley.

•Provision shall be made to prevent the rated voltage from

being exceeded by transient disturbances of more than

40% when applied in Class I, Zone 2 environments.

ControlLogix Power Supplies 5

Publication 1756-IN596A-EN-P - December 2004

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.

6ControlLogix Power Supplies

Publication 1756-IN596A-EN-P - December 2004

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

•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.

The following information applies

when operating this equipment in

hazardous locations:

Informations sur l’utilisation de

cet équipement en

environnements dangereux :

ControlLogix Power Supplies 7

Publication 1756-IN596A-EN-P - December 2004

Preparing for Installation

Before you attempt to install the power supply, make sure you have the

following items:

•1/8” slotted screwdriver

•1/4” slotted (#2) or phillips screwdriver

•torque screwdriver

•needle-nose pliers

•crimping tool

Installing the Power Supply

Do these tasks to install the power supply:

1. Verify that you are using the power supply on a ControlLogix Series B

chassis.

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

the Series B chassis.

Figure 1

20264a-M

8ControlLogix Power Supplies

Publication 1756-IN596A-EN-P - December 2004

3. Guide the extended tab on the power supply circuit board into the notch of

the Series B chassis.

Figure 2

4. Slide the power supply in until it is flush with the back of the chassis.

Figure 3

5. Fasten the power supply to the chassis.

Figure 4

43614

Notch

44144

44145

ControlLogix Power Supplies 9

Publication 1756-IN596A-EN-P - December 2004

Connecting Equipment Protective Earth Ground

Use Figure 5 to connect equipment protective earth ground from the power supply

to the chassis. Tighten the nut on the equipment protective earth ground terminal

stud to a torque of 12 inch-pounds (1.4Nm).

Figure 5

Equipment grounding

conductor (ground lug with

2.1 sq. mm [14 AWG] wire)

protective earth ground

from chassis to ground bus

Equipment grounding

conductor (ground lug with

2.1 sq. mm [14 AWG] wire)

protective earth ground

from chassis to ground bus

Wiring terminal block

Protective earth ground

terminal stud

Nut with captive

star washer

Nut with captive

star washer 44146

10 ControlLogix Power Supplies

Publication 1756-IN596A-EN-P - December 2004

Verifying Grounding Configuration

Figure 6 shows you how to run functional and equipment protective earth ground

connections from the chassis and power supply to the ground bus. Using a ground

bus is recommended because it reduces the electrical resistance at the connection.

Figure 6

For more information on installing and connecting protective earth ground to the

ControlLogix chassis, refer to the ControlLogix Chassis–Series B Installation

Instructions, publications 1756-IN080.

Keep wire lengths as

short as possible.

20231a-M

Earth Ground

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