Allen-Bradley 1718 Ex I/O User manual

1718 Ex I/O

Catalog Numbers 1718-AENTR, 1718-IJ, 1718-OB2, 1718-OB2L, 1718-IBN8, 1718-IBN8B, 1718-IT4B, 1718-IR4B, 1718-IF4HB,

1718-CF4H, 1718-PSDC, 1718-A20, 1718-A10, 1718-CBL65, 1718-CBL3, 1718-ARM

User Manual

Original Instructions

Important User Information

Read this document and the documents listed in the additional resources section about installation, configuration, and

operation of this equipment before you install, configure, operate, or maintain this product. Users are required to

familiarize themselves with installation and wiring instructions in addition to requirements of all applicable codes, laws,

and standards.

Activities including installation, adjustments, putting into service, use, assembly, disassembly, and maintenance are

required to be carried out by suitably trained personnel in accordance with applicable code of practice.

If this equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may

be impaired.

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.

Labels may also be on or inside the equipment to provide specific precautions.

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.

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.

IMPORTANT Identifies information that is critical for successful application and understanding of the product.

SHOCK HAZARD: Labels may be on or inside the equipment, for example, a drive or motor, to alert people that dangerous

vole 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.

ARC FLASH HAZARD: Labels may be on or inside the equipment, for example, a motor control center, to alert people to

potential Arc Flash. Arc Flash will cause severe injury or death.Wear proper Personal Protective Equipment (PPE). Follow ALL

Regulatory requirements for safe work practices and for Personal Protective Equipment (PPE).

Rockwell Automation Publication 1718-UM001A-EN-E - December 2019 3

Table of Contents

Important User Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Table of Contents

Preface

Who Should Use This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Purpose of This Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Additional Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Chapter Preface

Product Specifications

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1718 Ex I/O Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

1718 Ex I/O Components Overview . . . . . . . . . . . . . . . . . . . . . . . . . 8

Field Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Plastic enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Stainless steel enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Enclosure Material Availability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Backplanes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Function. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Design and Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

I/O Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Design and Dimensions of the Modules . . . . . . . . . . . . . . . . . . . . . 14

Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Bus Termination Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Power Supply Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Placeholder Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Field Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Cordsets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Chapter Preface

Commissioning

Testing physical connection right to the end of the segment . . . 23

Testing physical 1718 Ex I/O unit connection . . . . . . . . . . . . . . . 24

Configuration of an RS-485-Based Bus System. . . . . . . . . . . . . . . 24

Startup Phase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Chapter Preface

Operation Appendix A

Troubleshoot Your Module

Communication errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Appendix B

Technical Data

Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Mechanical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Ambient Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

4Rockwell Automation Publication 1718-UM001A-EN-E - December 2019

Table of Contents

Appendix C

Additional HART Protocol

Information

Message Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Master-slave Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Multiple Master Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Transaction Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Burst Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Response Code and

Field Device Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

HART PV, SV, TV, and FV Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Appendix D

Engineering Unit Code Numbers

Code Number Details . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Rockwell Automation Publication 1718-UM001A-EN-E - December 2019 5

Preface

Read this preface to familiarize yourself with the rest of the manual. It provides

information concerning:

•who should use this manual

•the purpose of this manual

•related documentation

•supporting information

Who Should Use This Manual This manual is intended for trained and qualified personnel who are responsible

for mounting, installation, commissioning, operation, maintenance, and

disassembly of 1718 Ex I/O.

For more information, see Target Group, Personnel on page 11.

Purpose of This Manual This manual provides information and describes the procedures that are used to

install, wire, troubleshoot, and operate 1718 Ex I/O.

Additional Resources These resources contain information about related products from

Rockwell Automation.

You can view or download publications at

http://www.rockwellautomation.com/literature/. For Release Notes and other

publications specific to your module, search the catalog number of the module.

To order paper copies of technical documentation, contact your local Allen-

Bradley distributor or Rockwell Automation sales representative.

Resource Description

1718 Ex I/O Installation Instructions,

publication 1718-IN001

Describes how to install and wire the 1718 Ex I/O input

and output modules

1718 Ex I/O Technical Data,

publication 1718-TD001

Provides specifications, wiring diagrams, and module

block diagrams for 1719 Ex I/O

1718 Certification Bulletin, publication 1718-CT001 Provides 1718 Ex I/O certification information and links to

control drawings.

Industrial Automation Wiring and Grounding Guidelines,

publication 1770-4.1

Provides general guidelines for installing a

Rockwell Automation industrial system.

6Rockwell Automation Publication 1718-UM001A-EN-E - December 2019

Preface

Notes:

Rockwell Automation Publication 1718-UM001A-EN-E - December 2019 7

Chapter 1

Product Specifications

Introduction Remote I/O systems, consisting of I/O modules, gateways, bus termination

modules, power supplies, and a backplane, form the interface for signals to be

transmitted from the explosion hazardous area (Ex area), to the safe area (non-

hazardous area). With appropriate surrounding enclosures, remote I/O systems

can be installed in Gas-Ex areas of Zone 1. Using remote I/O, a wide range of

digital and analog sensors and actuators can be connected to process control

systems over a fieldbus. Specific measures need to be taken to disconnect I/O

modules with Ex-e front connectors during ongoing operation. To do so,

observe the safety notices in this manual. The gateway is the interface between

the I/O modules on the backplane and the process control system. Power

supplies are used to power the I/O modules and adapter/gateway.

All components of the FB remote I/O with Ex-q protection meet the FB

concept. This simplifies the evaluation of modules from an explosion

protection point of view.

This manual sets out how to work with the hardware. Refer to the software

manual for the gateway and the I/O modules for information on the

configuration of the gateway and the I/O modules.

Topic Page

Introduction 7

1718 Ex I/O Components 8

Field Units 9

Backplanes 10

I/O Modules 13

Adapter 15

Bus Termination Modules 16

Power Supply Module 16

Placeholder Module 16

Accessories 16

8Rockwell Automation Publication 1718-UM001A-EN-E - December 2019

Chapter 1 Product Specifications

Table 1 - 1718 Ex I/O Modules

1718 Ex I/O Components 1718 Ex I/O Components Overview

See the following graphic and table for the descriptions of different 1718 Ex I/O components:

Figure 1 - 1718 Ex I/O Components Overview

Type Catalog Number Description

Communication Adapter 1718-AENTR Ex I/O EtherNet/IP Adapter

Digital Input

1718-IJ Ex I/O Frequency Counter

1718-IBN8B Ex I/O 8 Point Digital Input NAMURWide

1718-IBN8 Ex I/O 8 Point Digital Input NAMUR

Analog Input

1718-IF4HB Ex I/O 4 Channel HART Analog InputWide

1718-IR4B Ex I/O 4 Channel RTD Input

1718-IT4B Ex I/O 4 Channel Thermocouple Input

Configurable

Analog Input/Output 1718-CF4H Ex I/O 4 Channel HART Analog Configurable

Digital Output 1718-OB2 Ex I/O 2 Point Digital Output 23V

1718-OB2L Ex I/O 2 Point Digital Output 16.5V

Power Supply 171-PSDC Ex I/O DC Power Supply

Backplane 1718-A20 Ex I/O 20 Slot Chassis

1718-A10 Ex I/O 10 Slot Chassis

Connection Cable 1718-CBL65 Ex I/O Chassis Extension Cable 0.65 m

1718-CBL3 Ex I/O Chassis Extension Cable 3 m

Placeholder 1718-ARM Ex I/O Empty Slot Cover

123 4 5

678

Rockwell Automation Publication 1718-UM001A-EN-E - December 2019 9

Product Specifications Chapter 1

Table 2 - 1718 Ex I/O Components Overview

Field Units Field units (surrounding enclosures) serve to protect all electronic components

against environmental influences and are an integral part of explosion

protection. The enclosures are made of glass fiber reinforced polyester or

stainless steel and are available in various versions. The surrounding enclosures

contain backplanes for the connection of modules. The modular concept

allows multiple surrounding enclosures to be flanged together to create the

required expansion level. Each surrounding enclosure contains Ex-e terminals

for power and communication lines. For safety, these are individually equipped

with protective covers (IP30) and touch protection.

The surrounding enclosures are equipped with a rating plate listing all safety-

relevant information, e.g., type of ignition protection, temperature class,

permissible ambient temperature and permissible power.

Plastic enclosure

Glass fiber reinforced polyester offers a high level of mechanical protection for

both onshore and offshore plants.

Figure 2 - Field unit with plastic enclosure partially without cover and modules

Description Description

1 Field Unit (Surrounding Enclosure) 6 Backplane

2 Power supply 7 Cable gland for field lines

3Bus termination module 8 Cable gland for power supply and bus cables

4 Adapter 9 Ex-e-terminals and IP30 cover

5I/Omodule

10 Rockwell Automation Publication 1718-UM001A-EN-E - December 2019

Chapter 1 Product Specifications

Stainless steel enclosure

The stainless steel enclosure ensures a high level of corrosion resistance for

onshore and offshore plants.

Figure 3 - Field unit with stainless steel enclosure without modules

Enclosure Material Availability

Modular plastic and stainless steel enclosures are available in various sizes and

designs, and custom solutions are also available. Depending on the version, the

device units comprise base, redundancy, and expansion backplanes installed in

the corresponding surrounding enclosures.

Figure 4 - Available field units

Backplanes Function

The modules are plugged into the backplane, which in turn is installed in a

plastic or stainless steel enclosure. The backplane supplies the modules with

energy and provides internal wiring.

Any I/O module can be inserted into any I/O slot, enabling a mixture of I/O

functions in one field unit. Power supplies, adapters/gateways, and bus

Catalog Number Type Max. number of slots Material

Field unit Redundant field unit Stainless steel Polyester

FB9210-PF0-G

FB9210-S60-G

FB9220-PF0-G

FB9220-S60-G

FB9240-PF0-G

FB9240-S70-G

This manual suits for next models

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