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Allen-Bradley Manuals
I/O Systems
1746-NIO4I
User manual
Allen-Bradley 1746-NIO4I User Manual
4-channel analog i/o modules
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Preface
Who Should Use this Manual
Purpose of this Manual
Related Documentation
Common Techniques Used in this Manual
Your Questions or Comments on this Manual
Overview
How to Use Analog
Types of Analog Modules
1746-NI4 Analog Input Module
1746-NIO4I and NIO4V Analog Combination Modules
1746-NO4I and NO4V Analog Output Modules
Quick Start for Experienced Users
Required Tools and Equipment
Procedures
Installing and Wiring Your Analog Module
European Union Directive Compliance
EMC Directives
Determining Your Power Requirements for a Modular Controller
Determining Your Power Requirements for a Fixed Controller
Configuring Your Module
Switch Settings for the 1746-NI4
Switch Settings for the 1746-NIO4I and -NIO4V
External Power Switch for the 1746-NO4I and -NO4V
Choosing a Slot in the Chassis
Installing Your Module
Removing the Analog Module Terminal Block
Wiring Considerations
System Wiring Guidelines
Grounding Your Cable
Determining the Cable Length
Wiring the Analog Module
Labeling and Installing the Terminal Block
Grounding the Foil Shields and Drain Wires
Wiring Schematics for 2, 3, and 4-Wire Analog Input Devices
Wiring Schematic for Single-Ended Analog Input Connections
Minimizing Electrical Noise on Analog Modules
Interface between the Module and the Processor
Entering Module ID Codes
Addressing Analog Modules
Bit Level Addressing
Processor Update of Analog Data
Monitoring the Input and Output Data
Converting Analog Input Data
Converting Analog Output Data
System Considerations
Safe State for Outputs
Retentive Programming Option
Retentive Analog Output Example
Non-Retentive Analog Output Example
During a Mode Change or Power Cycle
Input Out-Of-Range Detection
Response to Slot Disable
Input Response to Slot Disable
Output Response to Slot Disable
Input Channel Filtering
Testing the SLC 500 System
Start-Up Procedures
Inspect the Analog Module
Disconnect Prime Movers (Motion Devices)
Power up the SLC 500 System
Testing Analog Inputs
Testing Analog Outputs
Addressing, Out-Of-Range Detection, and Scaling of Analog
Inputs
Calculating the Linear Relationship
Calculating the Out-Of-Range Flag Using the Scale Instruction
Using Standard Math
Using the Scale (SCL) Instruction
Using Scale with Parameters (SCP) Instruction
Addressing and Scaling Outputs
Calculating the Linear Relationship
Using Standard Math
Using the Scale with Parameters (SCP) Instruction
Scaling Offset When > 32,767 or < -32,768
Calculating the Linear Relationship
Calculating the Shifted Linear Relationship
Using Standard Math
Using the Scale with Parameters (SCP) Instruction
Scaling and Range Checking and Analog Inputs and Outputs
Calculating the Linear Relationship
Using Standard Math Instructions
Scaling and Range Checking of Analog Inputs and Outputs
Using SCL Instruction
Using the Scale with Parameters (SCP) Instruction
Preventative Maintenance
Safety Considerations When Troubleshooting
Analog Modules Specification
General Specifications for NI4, NIO4I, NIO4V, NO4I, and NO4V
Nio4V
Current-Loop Input Specifications for NI4, NIO4I, and NIO4V
Voltage Input Specifications for NI4, NIO4I, and NIO4V
Current Output Specifications for NIO4I and NO4I
Voltage Output Specifications for NIO4V and NO4V
Positive Decimal Values
Negative Decimal Values
Calibrating an Analog Input Channel
Calculating the Software Calibration
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SLC™ 500
4-Channel Analog
I/O Modules
(Catalog Numbers 1746-NI4,
1746-NIO4I, 1746-NIO4V,
1746-NO4I, and 1746-NO4V)
User Manual
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This manual is also suitable for:
Slc 500
1746-nio4v
1746-no4i
1746-ni4
1746-no4v
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