Allen-Bradley FLEX Ex 1797-OE8 Manuale utente

Installation Instructions

FLEX Ex 8 Output and HART Analog Modules

Catalog Numbers 1797-OE8, 1797-OE8H

Topic Page

Important User Information

Environment and Enclosure 4

Prevent Electrostatic Discharge 5

Removal and Insertion Under Power 5

European Communities (EC) Directive Compliance 6

Installation in Zone 1 8

Installation in Zone 22 8

Install the Module 9

Wire the Module to a 1797-TB3 or 1797-TB3S Terminal Base Unit 11

Ground the Module 13

Outputs 14

1797-OE8 Input Map (Read Words) 16

1797-OE8H Input Map (Read Words) 16

1797-OE8 Output Map (Write Words) 17

1797-OE8H Output Map (Write Words) 17

1797-OE8H Configuration Map 18

Data Format - Write Words 2 and 3 19

Cyclic HART Input DataCyclic HART Input Data 20

2FLEX Ex 8 Output and HART Analog Modules

Publication 1797-IN003J-EN-P - August 2017

HART Input Data 20

HART Input Data Descriptions 24

HART Read Back Threshold 25

1797-OE8 Configuration Map 26

1797-OE8H Extended Configuration Data Table 27

1797-OE8H Secondary Master Enable (SME)/ Primary Master Inhibit (PMI) 27

Field Descriptions 28

1797-OE8 FLEX Ex Output Module Operation 33

Cooperative Operation of the Adapter and the 1797-OE8H Output Module 34

Specifications 35

Topic Page

FLEX Ex 8 Output and HART Analog Modules 3

Publication 1797-IN003J-EN-P - August 2017

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 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, and recognize the consequence

SHOCK HAZARD

Labels may be located on or inside the equipment to alert people that dangerous

voltage may be present.

BURN HAZARD

Labels may be located on or inside the equipment to alert people that surfaces may be

dangerous temperatures.

4FLEX Ex 8 Output and HART Analog Modules

Publication 1797-IN003J-EN-P - August 2017

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, for additional

installation requirements, Allen-Bradley publication 1770-4.1.

• NEMA Standards 250 and IEC 60529, as applicable, for explanations of

the degrees of protection provided by different types of enclosure.

ATTENTION

This product 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 or 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.

FLEX Ex 8 Output and HART Analog Modules 5

Publication 1797-IN003J-EN-P - August 2017

Prevent Electrostatic Discharge

Removal and Insertion Under Power

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.

• Post a sign near these modules:

Attention! Avoid electrostatic charging.

ATENÇÃO! PREVENIR CONTRA O ACÚMULO DE CARGA

ELETROSTÁTICA

For your convenience, a sign that can be cut out and posted is included

in this publication.

WARNING

These modules are designed so you can remove and insert them under

power. However, take special care when removing or inserting modules in an

active process. I/O attached to any module being removed or inserted can

change states due to its input/output signal changing conditions.

If you insert or remove the terminal base 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.

6FLEX Ex 8 Output and HART Analog Modules

Publication 1797-IN003J-EN-P - August 2017

European Communities (EC) Directive Compliance

If these products have the CE mark they are approved for installation within

the European Union and EEA regions. They have been designed and tested

to meet the following directives.

EMC Directive

These products are tested to meet the Council Directive 2014/30/EU by

applying the following standards:

• EN 61000-6-4:2007, Electromagnetic Compatibility (EMC) - Part 6-4:

Generic Standard for Industrial Environments (Class A)

• EN 61000-6-2:2005, Electromagnetic Compatibility (EMC) - Part 6-2:

Generic Standards - Immunity for Industrial Environments

• EN 61326-1:2013 (Industrial), Electrical Equipment For

Measurement, Control, and Laboratory Use - Industrial EMC

Requirements

European Hazardous Location Approval

The following applies to products marked II (1)2 G and

II (1) D

•Are Equipment Group II, Equipment Category (1)2, and comply with

the Essential Health and Safety Requirements relating to the design

and construction of such equipment given in Annex II to Directive

2014/34/EU. See the EC Declaration of Conformity at

http://www.rockwellautomation.com/products/certification

for details.

•The type of protection is “Ex ib[ia] IIC T4” and “[Ex iaD]” according

to EN 60079-11.

•Comply to Standards EN 60079-0:2006, EN 60079-11:2007,

EN 60079-26:2004, EN 61241-0:2006, and EN 61241-11:2006,

reference certificate number DMT 00 ATEX E 042 X.

7FLEX Ex 8 Output and HART Analog Modules

Publication 1797-IN003J-EN-P - August 2017

•Are intended for use in areas in which explosive atmospheres caused

by gases, vapors, mists, or air are likely to occur occasionally. Such

locations correspond to Zone 1 or 2 classification according to ATEX

directive 2014/34/EU.

IEC Hazardous Location Approval

The following applies to products with the IECEx certification:

•Are intended for use in areas in which explosive atmospheres caused

by gases, vapors, mists, or air are likely to occur only infrequently and

for short periods. Such locations correspond to Zone 1 or 2

classification to IEC 60079-0.

•The type of protection is “[Zone 0] Ex ib[ia] IIC T4” according to

IEC 60079-11 and “[Ex iaD]” according to IEC 60079-11.

•Comply to Standards IEC 60079-0:2004, IEC 60079-11:2006,

IEC 60079-26:2004, IEC 61241-0:2004, and IEC 61241-11:2005,

reference IECEx certificate number IECEx BVS 09.0023X.

Special Conditions for Safe Use:

The intrinsically safe circuits (ch0 to ch7) may extend into areas with

combustible dust. However it shall be ensured that the apparatus, connected

to these intrinsically safe circuits, meet the requirements for category 1D

respectively 2D and are marked accordingly.

All the other intrinsically safe circuits may also extend into areas with

combustible dust. However it shall be ensured that the apparatus, connected

to these intrinsically safe circuits, meet the requirements for category 2D and

are marked accordingly.

The module may only be used with the terminal base type 1797-TB3/* or

type 1797-TB3S/* (DMT 98 ATEX E012U)

A warning label shall be installed in immediate proximity of these apparatus:

ATTENTION! Avoid electrostatic charging.

8FLEX Ex 8 Output and HART Analog Modules

Publication 1797-IN003J-EN-P - August 2017

Installation in Zone 1

These modules must not be exposed to the environment. Provide a suitable

metal enclosure. This module has a protection factor of IP20.

Installation in Zone 22

When the module is installed in Zone 22, the following cabinets must be used:

IVK-ISRPI-V16LC; IVK-ISRPI-V8HYW; or IVK-ISRPI-V8LC. These

cabinets can be purchased from:

Pepperl+Fuchs GmbH

Konigsberger Allee 85-87, D-68307

Mannheim, Germany

Attn: PA Sales Dept.

Kirsten Becker

Telephone +49 776 1298

www.pepperl-fuchs.com

The IS-RPI cabinets (type IVK2-ISRPI-V8LC, IVK2-ISRPI-V8HYW, or

IVK2-ISPRI-V16LC) ensures the basic protection for the intrinsically safe

apparatus of the FLEX Ex system for use in Zone 22. It corresponds with

category 3D according to RL 94/9 EG and with the type label marked with

the following information:

Pepperl+Fuchs GmbH

68307 Mannheim

IVK2-ISRPI-V8LC (or IVK2-ISRPI-V8HYW or

IVK2-ISRPI-V16LC)

II 3 D Ex tD A22 IP54 T70 °C

Serial (manufacturing) number

Model year

WARNING

These modules cannot be used in an intrinsically safe

environment after they have been exposed to nonintrinsically

safe signals.

FLEX Ex 8 Output and HART Analog Modules 9

Publication 1797-IN003J-EN-P - August 2017

Install the Module

Read this for information about how to install the module which must be

used with a 1797-TB3 or 1797-TB3S intrinsically safe terminal base unit.

ATTENTION

This equipmment is considered Group 1, Class A industrial equipement

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 accessiblity 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 infromation regarding specific enclosure type ratings

that are required to comply with certain productsafety certifications.

ATTENTION

During mounting of all devices, be sure that all debris (such as metal chips or

wire strands) is kept from falling into the module. Debris that falls into the

module could cause damage on power up.

Labelhereorunderhere

41439

10 FLEX Ex 8 Output and HART Analog Modules

Publication 1797-IN003J-EN-P - August 2017

To install the module on a 1797 terminal base, see the figure and complete the

following.

1. Rotate the keyswitch (1) on the terminal base (2) clockwise to position

4 as required for this type of module.

2. Make certain the flexbus connector (3) is pushed all the way to the left

to connect with the neighboring terminal base or adapter.

3. Make sure the pins on the bottom of the module are straight so they

align properly with the connector in the terminal base.

4. Position the module (4) with its alignment bar (5) aligned with the

groove (6) on the terminal base.

5. Press firmly and evenly to seat the module in the terminal base unit,

noting that the module is seated when the latching mechanism (7) is

locked into the module.

6. Remove cap plug (8) and attach another intrinsically safe terminal base

unit to the right of this terminal base unit if required.

ATTENTION

Do not remove or replace a Terminal Base unit while power is applied.

Interruption of the backplane can result in unintentional operation or machine

motion.

IMPORTANT

Do not change the position of the keyswitch after wiring the terminal base

unit.

IMPORTANT

You cannot install the module unless the connector is fully extended.

IMPORTANT

Make certain that you only connect terminal base units to other intrinsically

safe system modules or adapters to maintain the integrity of the intrinsically

safe backplane.

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