Rockwell Automation SLC 500 Thermocouple Bedienungsanleitung

Power Supply

MANUFACTURER DATA SHEET

Allen-Bradley/Rockwell

1746-P1

Manufacturer:

Model Number:

PDF File: Doc_000005_Cover.pdf

See www.geomartin.com for additional PDF datasheets

Martin Part Number:

E-014624-01

VendorPartNumber:

AB # 1746-P1, Power Supply

This page is intentionally left blank

Publication 1746-IN004A-ML-P

SLC 500™ Power Supplies

(Catalog Numbers 1746-P1, 1746-P2, 1746-P3,

1746-P4, 1746-P5, 1746-P6, and 1746-P7)

Installation Instructions

Inside…page

Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Genéralités . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

DeutscherAbschnitt . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Istruzioni per l’installazione . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Instrucciones de instalación . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

2SLC 500™Power Supplies

Publication 1746-IN004A-ML-P

Important User Information

Because of the variety of uses for the products described in this publication, those

responsible for the application and use of this control equipment must satisfy

themselves that all necessary steps have been taken to assure that each

application and use meets all performance and safety requirements, including any

applicable laws, regulations, codes and standards.

The illustrations, charts, sample programs and layout examples shown in this

guide are intended solely for purposes of example. Since there are many

variables and requirements associated with any particular installation, Allen-

Bradley does not assume responsibility or liability (to include intellectual

property liability) for actual use based upon the examples shown in this

publication.

Allen-Bradley publication SGI-1.1, Safety Guidelines for the Application,

Installation, and Maintenance of Solid-State Control (available from your local

Allen-Bradley office), describes some important differences between solid-state

equipment and electromechanical devices that should be taken into consideration

when applying products such as those described in this publication.

Reproduction of the contents of this copyrighted publication, in whole or in part,

without written permission of Allen-Bradley Company, Inc., is prohibited.

Throughout these installation instructions we use notes to make you aware of

safety considerations:

Attention statements help you to:

• identify a hazard

• avoid the hazard

• recognize the consequences

!ATTENTION: Identifies information about practices or

circumstances that can 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.

1746-IN004A-ML-P

English Section

SLC 500™ Power Supplies

(Catalog Numbers 1746-P1, 1746-P2, 1746-P3,

1746-P4, 1746-P5, 1746-P6, and 1746-P7)

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: 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.

• If available, use a static-safe work station.

• When not in use, keep the power supplies in their static-shield

packaging.

4SLC 500™Power Supplies

1746-IN004A-ML-P

Hazardous Location Considerations

This equipment is suitable for use in Class I, Division 2, Groups A, B, C, D or

non-hazardous locations only. The following WARNING statement applies to use

in hazardous locations.

Environnements Dangereux

Cet équipement est conçu pour être utilisé dans des environnements de Classe I,

Division 2, Groupes A, B, C, D ou non dangereux. La mise en garde suivante

s’applique à une utilisation dans des environnements dangereux.

WARNING: EXPLOSION HAZARD

• Substitution of components may impair suitability for Class I,

Division 2.

• Do not replace components or disconnect equipment unless

power has been switched off or the area is known to be non-

hazardous.

• Do not connect or disconnect components unless power has

been switched off or the area is known to be non-hazardous.

• All wiring must comply with N.E.C. article 501-4(b).

AVERTISSEMENT: DANGER D’EXPLOSION

• La substitution de composants peut rendre cet équipement

impropre à une utilisation en environnement de Classe I,

Division 2.

• Ne pas remplacer de composants ou déconnecter

l'équipement sans s'être assuré que l'alimentation est coupée.

• Ne pas connecter ou déconnecter des composants sans s'être

assuré que l'alimentation est coupée.

SLC 500™Power Supplies 5

1746-IN004A-ML-P

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 Style

Installation and Operation

Manual (publication 1747-6.2).

Use these screws to fasten the

power supply to the chassis.

6SLC 500™Power Supplies

1746-IN004A-ML-P

Power Supply Wiring

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

apply to the 1746-P3, -P5, -P6, and -P7 power supplies, which do not have a

jumper.)

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

ground bus. Use a #14 AWG wire and keep the leads as short as possible.

The 1746-P4 is shown below. Refer to page 6 for special wiring

considerations for the 1746-P3.

!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.

Catalog Number

1746-P1 & -P2 Catalog Number

1746-P4

Fuse

JumperSelection

Jumper Selection

100/120 Volts

200/240 Volts

85-132V ac

170-265V ac

CHASSIS GROUND

Nearest Ground Bus

SLC 500™Power Supplies 7

1746-IN004A-ML-P

3. Connect incoming power.

!ATTENTION: Turn off incoming power before connecting

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

equipment.

!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, it is strongly reccommended

than an isolation transformer be used to isolate the power supply

from harmful voltage surges.

120/240Vac

VAC NEUT DC NEUT

+ 24V dc

JUMPER

170–265Vac

L2 NEUTRAL

L1 85–132/170–265

85–132Vac

+125Vdc

DC NEUT

CHASSISGROUND

CHASSISGROUNDCHASSISGROUND

CHASSISGROUND

+48Vdc

DC NEUT

CHASSISGROUNDCHASSISGROUND

DC NEUT

+ 12/24V dc

CHASSISGROUND

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

8SLC 500™Power Supplies

1746-IN004A-ML-P

1746-P3 Wiring Considerations

The information below describes special wiring considerations for the 1746-P3.

!ATTENTION: Any voltage applied to the 1746-P3 DC NEUT

terminal will be present at the SLC logic ground and the processor

DH-485 port. To prevent unwanted potentials across the logic

ground of the controller and/or damage to the SLC chassis, the DC

NEUTRAL of the external DC power source must be either isolated

from the SLC chassis ground or connected to earth ground as shown

in the following illustration.

Important: SLC 500 Series A chassis (1746-A4, -A7, -A10, and -A13)

manufactured before November 1992 have a resistor between the

logic ground and chassis ground as the drawing on the following

page illustrates. This resistor could be damaged if the wiring

recommendation described within the attention box above is not

followed. See the figure on the following page for the location of

the resistor. SLC 500 Series A chassis (1746-A4, -A7, -A10, and

-A13) with a manufacture date of November 1992 or later do not

have this resistor. SLC 500 Series B chassis have a 1MΩresistor

that limits the current between logic ground and chassis ground.

+24V dc

DC Neut

+24V dc

DC Neut

DH±485

Port

•

External DC Power Source Door

1746-P3 Processor SLC 500 Chassis

SLC Logic Ground

Chassis

Ground

Earth Ground Earth

Ground

A jumper wire is

recommended between

the DCNEUTand

Chassis Ground of the

external power source.

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