Name: Rockwell Automation Allen-Bradley 1715-OB8DE
Brand: Rockwell Automation
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Redundant I/O System

Catalog Numbers 1715-AENTR, 1715-IB16D, 1715-OB8DE,

1715-IF16, 1715-OF8I

User Manual

Original Instructions

Default Chapter3
- Table of Contents3
- About this Publication11
- Before You Begin11
  - Required Software11
- Download Firmware, AOP, EDS, and Other Files11
Preface11
- Summary of Changes11
- Additional Resources12
Chapter 1 Redundant 1715 Adapters13
- 1715 I/O Modules13
Redundancy System Overview13
- 1715 I/O Modules in SIL 2 Applications14
- System Architecture14
- Layout the Hardware17
- Switchover Considerations25
- System Performance28
- Timestamping30
Installation Instructions31
Chapter 2 Environment and Enclosure32
- Prevent Electrostatic Discharge32
- European Hazardous Location Approval33
- Multi-Point Network Communication Connections34
- Field-Side Power34
- Removal and Insertion under Power (RIUP) Fuses34
- North American Hazardous Location Approval35
- Before You Begin36
  - Ensure that Warranty Is Not Compromised36
  - Graphical Representation36
  - Parts List36
  - Required Tools37
  - Spacing Requirements37
- System Hardware Components38
  - 1715-AENTR Adapter Redundant Pair38
  - 1715 Digital and Analog I/O Modules39
  - 1715-A2A Adapter Base Unit40
  - 1715-A3IO I/O Base Unit43
  - I/O Termination Assemblies44
  - 1715-C2 Expansion Cable49
  - 1715-N2T and 1715-N2S Slot Filler Covers50
  - Power Requirements50
  - Cooling Requirements51
  - Heating Requirements51
  - Specify an Enclosure51
- System Software51
- Module Placement53
  - Base Units54
- Install Summary55
  - Step 1: Enclosure DIN Rail Assembly56
  - Step 2: Build the System56
- Product Dimensions56
  - DIN Rail Mounting Dimensions56
- DIN Rail Assembly57
  - Component Size and Weights58
- Install the Power Supply60
- Install the Adapter Base Unit61
- Install the I/O Base Unit62
- Install Termination Assembly to I/O Base Unit64
  - Mount Termination Assemblies65
- Mount I/O Expansion Cable67
  - Cable Assembly67
  - Expansion Cable68
  - Install Expansion Cable69
- Wire the Adapter72
  - Connect the 24V DC System Power72
  - Wire the Ground Connection73
- Connect Field Wiring74
  - Recommended Circuits for Digital Inputs75
  - Recommended Circuits for Digital Outputs80
  - 1715-OB8DE Digital Output Module FBD82
  - Recommended Circuits for Analog Inputs86
  - Recommended Wiring for Analog Output Modules94
- Connect the Adapter to the Ethernet Network96
- Module Keying97
  - Verify Coding Pegs99
- Electronic Keying100
  - More Information101
- Install the Adapters101
- Assign an IP Address104
  - Step 1: Assign an IP Address on the BOOTP/DHCP Server105
  - Step 2: Configure the Module with Rslinx Classic Software108
- Install the I/O Modules110
- Install Slot Filler Covers112
- Remove Modules112
Chapter 3 Protected Mode115
- Strategy115
Security115
- Web-Server Control115
  - Enable / Disable115
Chapter 4 1715 Digital Module Overview117
- 1715-IB16D Digital Input Module118
- 1715-OB8DE Digital Output Module118
- Common Features119
Digital I/O Operation117
- Determining Input Module Compatibility119
  - Termination Assemblies120
- Determining Output Module Compatibility120
- Using Features Common to 1715 Standard Digital I/O Modules120
- Features Specific to 1715-IB16D Digital Input Modules122
- Features Specific to 1715-OB8DE Digital Output Modules124
- And Controllers132
- Fault and Status Reporting between Input Modules132
- Fault and Status Reporting between Output Modules132
Chapter 5 1715 Analog Module Overview135
- 1715-IF16 Analog Input Module136
- 1715-OF8I Analog Output Module137
Using 1715 Analog I/O Module Features135
- Analog I/O Modules137
- Features Common to All137
- Operating Modes139
- Scaling139
- Hart141
- HART Pass-Through145
- Before You Begin157
Chapter 6157
Configure the Redundant I/O System157
- Install the Add-On Profiles157
- Install the Software157
- Product Installation158
  - Installation of Product, this Is Achieved Using the PCDC Website158
  - EDS Files158
- Create the Project in Rslogix 5000 or Studio 5000 Logix Designer160
- Add the 1715-AENTR Adapter to the I/O Configuration Tree165
- 1715-IB16D Digital Input Module177
- 1715-OB8DE Digital Output Module185
  - Step 1: Add the Digital Output Module in Duplex Mode185
  - Step 2: Add the Digital Output Module in Simplex Mode187
- 1715-IF16 Analog Input Module189
- 1715-OF8I Analog Output Module193
Chapter 7201
- SIL 2 Safety Application Requirements201
- 1715 I/O Modules in SIL 2 Safety Applications202
- Typical Configurations203
- Internal Diagnostics206
- Power Supplies206
- Requirements for Using 1715 I/O Modules207
  - Energize-To-Action Requirements207
- Requirements for Controllogix-Based SIL 2 Applications208
  - Add-On Instructions208
  - Connection Reaction Time Limit208
- Using the 1715 Adapter in SIL 2 Applications208
  - Reaction to Faults208
- Using 1715 I/O Modules in SIL 2 Applications209
  - Input Modules209
- Considerations for Sensor and Actuator Configurations212
- Configure SIL 2 Operation213
- Check SIL 2 Reset Status216
- View Module Information216
  - Diagnostic Data216
- Reaction Times217
  - System Reaction Time217
  - Logix System Reaction Time217
- Configuring the SIL 2 Task Period and Watchdog218
  - SIL Task/Program Instructions218
  - Configuring the Output Module Program/Fault Actions219
- Additional Resources220
- SIL 2 Add-On Instructions Overview221
1715 Redundant I/O System in SIL 2 Safety Applications201
Chapter 8224
- SIL 2 Check Data224
- Add-On Instruction Inputs225
- Add-On Instruction Outputs226
- Download and Import the Add-On Instructions227
  - Import Add-On Instructions to Upgraded Projects227
- Create a Periodic Task for SIL 2 Safety Functions228
  - 1715 SIL 2 Periodic Task 'Period' Configuration228
- Configure an Input Module Add-On Instruction230
- Configure an Output Module Add-On Instruction233
  - Add-On Instruction Scan Times235
  - Safety Reaction Time Calculations236
- Using the Add-On Instruction Data Tags in an Application Program237
- Performing a SIL 2 Reset238
Chapter 9 Diagnostic Features241
Appendix A Faults245
- System Faults245
- Module Faults245
- Channel Faults246
- Field Faults246
- User Application Fault Indications and Logging246
- Troubleshooting Faults246
- 1715 Adapter247
  - Reset Button250
- 1715 Digital Input Module250
- 1715 Digital Output Module252
- 1715 Analog Input Module253
- 1715 Analog Output Module255
- Threshold Values for Digital Inputs257
Appendix B Threshold Diagnostics Settings258
- Calculate Threshold and Resistor Values261
  - Calculate the Voltage for Off/On Conditions for Threshold Values261
  - Calculate On/Off Condition for Resistor Values265
- Calibration Drift Checks267
Appendix C269
- Reconfigure a Module Via Studio 5000 Logix Designer Application269
- Reconfigure a Module Via Ladder Logic270
Use Ladder Logic to Reconfigure an I/O Module269
- About PFD and PFH Calculations273
Appendix D273
- Calculations for 1715 I/O Modules273
  - PFD Calculations with 24-Hour MTTR274
- Determine Which Values to Use273
- Communications Data276
1715 I/O Modules277
Appendix E 1715-AENTR Adapter279
- 1715-Ib16D280
- 1715-Ob8De282
- 1715-If16284
- 1715-Of8I285
Appendix G291
Index291

Brand	Rockwell Automation
Model	Allen-Bradley 1715-OB8DE
Category	I/O Systems
Language	English

Rockwell Automation Allen-Bradley 1715-OB8DE User Manual

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