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Rockwell Automation Allen-Bradley 1715-AENTR User Manual

Rockwell Automation Allen-Bradley 1715-AENTR
298 pages
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Redundant I/O System
Catalog Numbers 1715-AENTR, 1715-IB16D, 1715-OB8DE,
1715-IF16, 1715-OF8I
User Manual
Original Instructions

Table of Contents

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Rockwell Automation Allen-Bradley 1715-AENTR Specifications

General IconGeneral
Series1715
Model1715-AENTR
CommunicationEthernet/IP
EnclosureIP20
Input Voltage24V DC
Mounting TypeDIN Rail
Number of Ports2
Housing MaterialPolycarbonate
Storage Temperature-40...85 °C (-40...185 °F)
Relative Humidity5 to 95% (non-condensing)
Shock30 g
CertificationsCE, UL, cUL
Product TypeEthernet I/O Module
Network AddressIP Address Configurable

Summary

Redundancy System Overview

System Architecture

Describes the system's structure with adapters and I/O base units.

Simplex Architecture

Explains the fail-safe behavior of simplex I/O modules upon fault detection.

Duplex Architecture

Details redundant input/output modules for fault tolerance and low/high demand applications.

Switchover Considerations

Explains how redundant adapters handle IP address swapping during adapter faults.

Installation Instructions

System Hardware Components

Lists and describes the key components of the 1715 Redundant I/O System.

Power Requirements

Specifies the required 24V DC power supply and compliance details.

Module Placement

Provides an overview of typical redundant I/O system layout and module positioning.

DIN Rail Assembly

Details the mounting procedure of the system on DIN rails within an enclosure.

Assign an IP Address

Procedures for assigning IP addresses to adapters via BOOTP/DHCP or RSLinx.

Security

Protected Mode

Explains the implicit I/O strategy for entering and exiting protected mode.

Web-Server Control

Details how to enable/disable the web server for diagnostic information.

Digital I/O Operation

1715 Digital Module Overview

Introduces digital I/O modules and their function in the system.

Module Fault Reporting

Explains how modules indicate hardware and software faults via status indicators.

Module Inhibiting

Describes how to suspend module connections for maintenance or configuration.

Features Specific to 1715-IB16D Digital Input Modules

Highlights features specific to the 1715-IB16D digital input module.

Using 1715 Analog I/O Module Features

1715 Analog Module Overview

Introduces analog I/O modules and their integration into the system.

Scaling

Explains how to set scaling factors for channel output current values.

Operating Modes

Describes the different operating modes for analog input and output modules.

HART Pass-Through

Details enabling external asset management systems to manage HART field devices.

Configure the Redundant I/O System

Before You Begin

Lists prerequisite tasks before configuring the system.

Install the Software

Specifies required software for configuration, including RSLogix/Studio 5000 and RSLinx.

Create the Project in RSLogix 5000 or Studio 5000 Logix Designer

Step-by-step guide to creating a new project and configuring the controller.

Add the 1715-AENTR Adapter to the I/O Configuration Tree

Process for adding the redundant adapter pair to the project's I/O configuration.

Assign an IP Address

Procedures for assigning IP addresses to adapters via BOOTP/DHCP or RSLinx.

1715 Redundant I/O System in SIL 2 Safety Applications

SIL 2 Safety Application Requirements

Outlines essential requirements for using the system in SIL 2 applications.

Typical Configurations

Presents common single and fault-tolerant configurations for safety applications.

Energize-to-action Requirements

Specifies conditions and requirements for energize-to-action configurations in safety systems.

Configure SIL 2 Operation

Guides on enabling SIL 2 operation and setting reaction time limits.

Using SIL 2 Add-On Instructions with 1715 Redundant I/O Modules

SIL 2 Add-On Instructions Overview

Introduces the purpose and use of SIL 2 Add-On Instructions for data verification.

Download and Import the Add-On Instructions

Steps to download and import SIL 2 Add-On Instructions into a project.

Create a Periodic Task for SIL 2 Safety Functions

Guidance on creating a dedicated periodic task for SIL 2 safety logic.

Safety Reaction Time Calculations

Provides formulas and examples for calculating worst-case safety reaction times.

Redundant I/O System Diagnostics

Diagnostic Features

Overview of diagnostic functions provided by adapters and I/O modules.

System Faults

Explains system faults indicated by Rack Status indicators on adapters.

Module Faults

Describes module faults indicated by Module Status and Rack Status indicators.

Channel Faults

Details channel faults and their indication on Module Status and Rack Status indicators.

Status Indicators

1715 Adapter

Details the status indicators for the 1715-AENTR adapter.

1715 Digital Input Module

Explains the status indicators for the 1715-IB16D digital input module.

1715 Analog Output Module

Details the status indicators for the 1715-OF8I analog output module.

1715-IB16D Digital Input Module Diagnostics

Threshold Values for Digital Inputs

Describes how to calculate and set threshold values for digital inputs.

Threshold Diagnostics Settings

Outlines the three types of threshold diagnostics settings in Logix Designer.

Calculate Threshold and Resistor Values

Guides on calculating threshold and resistor values for correct diagnostic settings.

Reconfigure a Module Online

Reconfigure a Module Via Studio 5000 Logix Designer Application

Steps to reconfigure an I/O module using the Logix Designer application.

PFD and PFH Calculations for a SIL 2 System

About PFD and PFH Calculations

Explains Probability of Failure on Demand (PFD) and Probability of Failure per Hour (PFH).

Calculations for 1715 I/O Modules

Details values used for PFD/PFH calculations based on module configurations.

SIL 2 Applications Checklist

1715 I/O Modules

A checklist for planning, programming, and startup of SIL 2-certified systems using 1715 I/O modules.

I/O Tag Definitions

1715-AENTR Adapter

Describes tags associated with the 1715-AENTR adapter.

1715-IB16D 16-channel Digital Input, Simplex

Lists tags associated with the 1715-IB16D digital input module (Simplex).

1715-OB8DE 8-channel Digital Output, Simplex, Output

Defines tags for the 1715-OB8DE digital output module (Simplex, Output).

1715-IF16 Analog Input, Simplex, Input

Lists tags associated with the 1715-IF16 analog input module (Simplex, Input).

History of Changes

Table 74 - 1715-UM001J-EN-P, December 2020

Lists updates and new information for the December 2020 revision.

Table 75 - 1715-UM001I-EN-P, March 2020

Details updates for the March 2020 revision.

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