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Rockwell Automation Allen-Bradley 1715-OB8DE User Manual

Rockwell Automation Allen-Bradley 1715-OB8DE
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-OB8DE Specifications

General IconGeneral
BrandRockwell Automation
ModelAllen-Bradley 1715-OB8DE
CategoryI/O Systems
LanguageEnglish

Summary

Redundancy System Overview

1715-AENTR Adapters

Describes the function and placement of redundant adapter pairs.

Obtaining a New IP Address

Details the process for obtaining an IP address for the primary module.

Installation Instructions

Install the Power Supply

Guidance on installing the 24V DC power supply for the system.

Install the Adapter Base Unit

Steps for mounting the 1715-A2A adapter base unit onto DIN rails.

Install the I/O Base Unit

Procedure for mounting the 1715-A3IO I/O base unit onto DIN rails.

Wire the Adapter

Instructions for terminating power connections on the adapter base unit.

Connect the 24V DC System Power

Explains connecting two independent 24V DC sources to the adapter base unit.

Connect Field Wiring

Instructions for connecting field wiring to termination assemblies.

Connect the Adapter to the Ethernet Network

Steps for connecting the adapter to the Ethernet network using DLR or Star topologies.

Install the Adapters

Instructions for installing the 1715-AENTR adapters.

Assign an IP Address

Procedure for associating an IP address with the primary adapter's MAC address.

Install the I/O Modules

Steps for installing digital and analog I/O modules onto the base unit.

Digital I/O Operation

Using 1715 Analog I/O Module Features

Precautions for HART in a Safety System

Safety precautions when using HART Pass-Through in a safety system.

Configure the Redundant I/O System

Install the Software

Lists required software for configuration: RSLogix/Studio 5000 and RSLinx.

Install the Add-on Profiles

Instructions for installing adapter and I/O module Add-on Profiles.

Create the Project in RSLogix 5000 or Studio 5000 Logix Designer

Steps to create a new project and configure the controller.

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

Adds the 1715-AENTR adapter to the project and configures it for EtherNet/IP.

Step 1: Configure the Adapter for the EtherNet/IP Network

Details planning IP addresses and options for setting adapter IP addresses.

1715-IB16D Digital Input Module

Instructions to add the 1715-IB16D module in Duplex and Simplex modes.

1715-OB8DE Digital Output Module

Instructions to add the 1715-OB8DE module in Duplex and Simplex modes.

1715-IF16 Analog Input Module

Instructions to add the 1715-IF16 module in Duplex and Simplex modes.

1715-OF8I Analog Output Module

Instructions to add the 1715-OF8I module in Duplex and Simplex modes.

1715 Redundant I/O System in SIL 2 Safety Applications

SIL 2 Safety Application Requirements

Requirements for using 1715 I/O modules in SIL 2 safety applications.

1715 I/O Modules in SIL 2 Safety Applications

Information on using 1715 I/O modules, including Simplex/Duplex modes.

Using the 1715 Adapter in SIL 2 Applications

Explains the functions of the 1715-AENTR adapter in SIL 2 applications.

Using 1715 I/O Modules in SIL 2 Applications

Discusses input module behavior, status, and safety accuracy.

Configure SIL 2 Operation

Steps to enable SIL 2 operation and set connection reaction time limits.

Configuring the Output Module Program/Fault Actions

Configures output module actions for Program mode and fault conditions.

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

SIL 2 Add-On Instructions Overview

Introduces SIL 2 Add-On Instructions for verifying data integrity.

Download and Import the Add-On Instructions

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

Configure an Input Module Add-On Instruction

Instructions to configure an input module Add-On Instruction.

Configure an Output Module Add-On Instruction

Instructions to configure an output module Add-On Instruction.

Safety Reaction Time Calculations

Explains how to calculate worst-case safety reaction time.

Performing a SIL 2 Reset

Describes how to perform a SIL 2 Reset for modules.

Redundant I/O System Diagnostics

Status Indicators

1715-IB16D Digital Input Module Diagnostics

Threshold Values for Digital Inputs

Describes calculating and setting threshold values for digital inputs.

Threshold Diagnostics Settings

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

Custom Diagnostics Configuration

Allows calculation and entry of custom threshold values.

Calculate Threshold and Resistor Values

Explains how to calculate diagnostic settings using known values.

PFD and PFH Calculations for a SIL 2 System

About PFD and PFH Calculations

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

Determine Which Values to Use

Guidance on selecting appropriate values for SIL 2-certified systems.

Calculations for 1715 I/O Modules

Provides PFD and PFH calculated values based on module configuration.

SIL 2 Applications Checklist

1715 I/O Modules

Checklist for planning, programming, and startup of SIL 2 systems.

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