Omron NX-AD series - Maintenance Procedures

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9 Inspection and Maintenance

NX-series Analog I/O Units User’s Manual for Analog Input Units and Analog Output Units (W522)

9-2 Maintenance Procedures

When you replace an Analog Input Unit or Analog Output Unit, follow the procedure in the user's

manual for the connected CPU Unit or Communications Coupler Unit.

Main Page

Introduction3
- Intended Audience3
- Applicable Products3
- Table of Contents4
Relevant Manuals8
Manual Structure9
- Page Structure and Icons9
- Special Information10
- Precaution on Terminology10
Terms and Conditions Agreement12
- Warranty, Limitations of Liability12
- Application Considerations13
- Disclaimers13
Safety Precautions14
- Definition of Precautionary Information14
- Symbols14
- Warnings15
- Cautions16
Precautions for Safe Use18
Precautions for Correct Use23
Regulations and Standards24
- Conformance to EU Directives24
- Conformance Requirement to EU Directives25
- Conformance to UL and CSA Standards25
- Conformance to Shipbuilding Standards25
- Conformance to KC Standards26
- Software Licenses and Copyrights26
Unit Versions27
- Unit Versions and Support Software Versions28
Related Manuals29
Terminology33
Revision History35
Sections in this Manual37
- Features and System Configuration39
- Features and Applications40
  - Features of the Analog Input Units and Analog Output Units40
  - Applications of the Analog Input Units and Analog Output Units41
- System Configuration42
  - System Configuration in the Case of a CPU Unit42
  - System Configuration of Slave Terminals43
Model List45
- Model Notation45
- Analog Input Units47
- Analog Output Units47
- Analog Output Units49
List of Functions50
- Analog Input Units50
- Analog Output Units51
Support Software52
- Specifications53
Section 2 Specifications54
General Specifications54
Individual Specifications55
Part Names58
- Screwless Clamping Terminal Block Type58
A-4 List of Screwless Clamping Terminal Block Models61
Indicators62
- TS Indicator63
  - Installation and Wiring65
Section 4 Installation and Wiring66
Installing NX Units66
- Attaching Markers68
- Removing NX Units70
- Installation Orientation71
Power Supply Types and Wiring73
- Applications of I/O Power Supply and Supply Methods73
- Calculating the Total Current Consumption from I/O Power Supply75
Wiring the Terminals76
- Wiring to the Screwless Clamping Terminal Block76
- Checking the Wiring92
Wiring Examples93
- Wiring the Analog Input Units93
- Wiring the Analog Output Units95
- Precautions When Using Common Power Supply for Input Devices of Analog Input Units96
  - I/O Refreshing97
5-1 I/O Refreshing98
- I/O Refreshing from CPU Units to NX Units98
- I/O Refreshing98
- I/O Refreshing from CPU Units or Industrial Pcs to Slave Terminal99
I/O Refreshing Methods101
- Types of I/O Refreshing Methods101
- Setting the I/O Refreshing Methods103
- Selecting NX Units104
- Free-Run Refreshing104
- Synchronous Input Refreshing108
- Synchronous Output Refreshing112
- Types of Analog Input Units118
- Input Range and Converted Values120
- Specifications of I/O Data122
  - Allocable I/O Data122
- List of Settings124
- Function128
  - List of Analog Input Unit Functions128
  - Selecting Channel to Use129
  - Moving Average133
  - Input Disconnection Detection139
  - Over Range/Under Range Detection140
  - User Calibration141
- Types of Analog Output Units150
- Output Range and Output Set Values151
- Specifications of I/O Data153
  - Allocable I/O Data153
- List of Settings154
- Functions157
  - List of Analog Output Unit Functions157
  - Selecting Channel to Use158
  - Load Rejection Output Setting162
  - Over Range/Under Range Detection167
  - User Calibration168
    - Troubleshooting177
- How to Check for Errors178
- Checking for Errors with the Indicators179
- Checking for Errors and Troubleshooting on the Support Software181
  - Checking for Errors from the Sysmac Studio181
  - Checking for Errors from Support Software Other than the Sysmac Studio182
  - Event Codes and Corrections for Errors183
  - Meaning of Error189
- Resetting Errors211
- Troubles Specific to each Type of NX Units212
  - Troubles Common to All Analog Input Units and Analog Output Units212
  - Analog Input Units212
  - Analog Output Units213
- Troubleshooting Flowchart214
  - Inspection and Maintenance215
  - Cleaning and Inspection215
- Cleaning and Inspection216
  - Cleaning216
  - Periodic Inspection216
Maintenance Procedures219
Appendices221
A-1 Data Sheet222
- A-1-1 Model List222
- Model List222
- A-1-2 Analog Input Units224
- A-1-3 Analog Output Units244
A-2 Dimensions257
- A-2-1 Screwless Clamping Terminal Block Type257
- Screwless Clamping Terminal Block Type257
A-3 List of NX Objects259
- A-3-1 Format of Object Descriptions259
- Format of Object Descriptions259
- A-3-2 Analog Input Units260
- A-3-3 Analog Output Units269
- A-4-1 Model Notation274
- A-4-2 List of Terminal Block Models274
A-5 Version Information with CPU Units275
- A-5-1 Relationship between Unit Versions of Units275
- Relationship between Unit Versions of Units275
Version Information with Communications Coupler Units277
- A-6-1 Connection to an Ethercat Coupler Unit277
- Connection to an Ethercat Coupler Unit277
- A-6-2 Connection to an Ethernet/Ip Coupler Unit279
- Connection to an Ethernet/Ip Coupler Unit279
Displaying the Edit Unit Operation Settings Tab Page281
- A-7-1 Connection to the CPU Unit281
- Connection to the CPU Unit281
- A-7-2 Slave Terminal283

Omron NX-AD series - Maintenance Procedures

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