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4 - 21

4 Installation and Wiring

NX-series Digital I/O Unit User’s Manual (W521)

4-3 Wiring the Terminals

4

4-3-1 Wiring to the Screwless Clamping Terminal Block

3 Bundle the wires with a cable tie and secure them to the screwless clamping terminal block.

Secure wires within the range of 30 mm from the screwless clamping terminal block.

30 mm

Table of Contents

Introduction3
- Intended Audience3
- Applicable Products3
- Table of Contents4
Relevant Manuals9
Manual Structure10
- Page Structure and Icons10
- Special Information11
- Precaution on Terminology12
Terms and Conditions Agreement13
- Warranty, Limitations of Liability13
- Application Considerations14
- Disclaimers14
Safety Precautions15
- Definition of Precautionary Information15
- Symbols15
- Warnings16
- Cautions17
Precautions for Safe Use19
Precautions for Correct Use24
Regulations and Standards25
- Conformance to EU Directives25
- Conformance to UL and CSA Standards26
- Conformance to Shipbuilding Standards26
- Conformance to KC Standards26
- Software Licenses and Copyrights26
Unit Versions27
- Unit Versions and Support Software Versions28
Related Manuals29
Terminology32
Revision History34
Sections in this Manual35
- Features and System Configuration37
- Features and Types of Digital I/O Units38
  - Digital I/O Unit Features38
  - Digital I/O Unit Types39
- System Configuration40
  - System Configuration in the Case of a CPU Unit40
  - System Configuration of Slave Terminals41
Model List43
- Model Notation43
- Digital Input Units44
- Digital Output Units44
- Digital Input Units46
- Digital Output Units48
- Digital Mixed I/O Units51
List of Functions52
- Digital Input Units52
- Digital Output Units53
- Digital Mixed I/O Units54
Support Software55
- Specifications57
Section 2 Specifications58
General Specifications58
Individual Specifications59
- Part Names and Functions61
Part Names62
- Screwless Clamping Terminal Block Type62
- M3 Screw Terminal Block Type67
- Connector Types68
Indicators73
- TS Indicator75
- IN/OUT Indicator76
  - Installation and Wiring77
Section 4 Installation and Wiring78
Installing NX Units78
- Attaching Markers80
- Removing NX Units82
- Installation Orientation83
Power Supply Types and Wiring85
- Applications of I/O Power Supply and Supply Methods85
- Calculating the Total Current Consumption from I/O Power Supply87
Wiring the Terminals88
- Wiring to the Screwless Clamping Terminal Block88
- Wiring to M3 Screw Terminal Block107
- Wiring to Mil/Fujitsu Connectors111
- Checking the Wiring115
Wiring Examples116
- Wiring the Input Units116
- Precautions When Wiring to the Output Units128
  - I/O Refreshing131
5-1 I/O Refreshing132
- I/O Refreshing from CPU Units to NX Units132
- I/O Refreshing132
- I/O Refreshing from CPU Units or Industrial Pcs to Slave Terminal133
I/O Refreshing Methods135
- Types of I/O Refreshing Methods135
- Types of Digital Input Units174
- List of Settings179
- Function185
  - List of Digital Input Unit Functions185
  - Input Filter186
    - Digital Output Units191
- Types of Digital Output Units192
- Specifications of I/O Data195
  - Allocable I/O Data195
- List of Settings199
- Function202
- Push-Pull Output209
- Precautions When Using the Relay Output Units210
  - Digital Mixed I/O Units215
- Types of Digital Mixed I/O Units216
- Specifications of I/O Data217
  - Allocable I/O Data217
- List of Settings219
  - Input Settings219
  - Output Settings220
- Function221
  - Input Functions221
  - Output Functions221
    - Troubleshooting223
- How to Check for Errors224
- Checking for Errors with the Indicators225
- Checking for Errors and Troubleshooting on the Support Software227
Resetting Errors241
Troubles Specific to each Type of NX Units242
- Digital Inputs242
- Digital Outputs243
Troubleshooting Flowchart244
- Cleaning and Inspection245
Section 10 Inspection and Maintenance246
Cleaning and Inspection246
- Cleaning246
- Periodic Inspection246
Maintenance Procedures249
Appendices251
A-1 Data Sheet252
- A-1-1 Model List252
- Model List252
- Digital Input Units257
- A-1-3 Digital Output Units288
- A-1-4 Digital Mixed I/O Units332
A-2 Dimensions346
- A-2-1 Screwless Clamping Terminal Block Type346
- A-2-2 M3 Screw Terminal Block Type348
- A-2-3 Connector Types349
Connecting Connector-Terminal Block Conversion Units and I/O Relay Terminals352
- A-3-1 Patterns for Combining Connector-Terminal Block Conversion Units and I/O Relay Terminals352
- Connecting Connector-Terminal Block Conversion Units352
- And I/O Relay Terminals352
- Patterns for Combining Connector-Terminal Block Conversion Units and I/O Relay Terminals352
- A-3-2 Combinations of Connections354
- A-3-3 Connector-Terminal Block Conversion Unit Connection Diagrams360
- A-3-4 Connection Diagrams for I/O Relay Terminals377
EMC Directive Measures for Relay Outputs383
A-5 List of NX Objects384
- A-5-1 Format of Object Descriptions384
- A-5-2 Digital Input Units385
- A-5-3 Digital Output Units393
- A-5-4 Digital Mixed I/O Units402
List of Screwless Clamping Terminal Block Models407
- Model Notation407
- List of Terminal Block Models407
A-7 Version Information with CPU Units408
- A-7-1 Relationship between Unit Versions of Units408
Version Information with Communications Coupler Units410
- Connection to an Ethercat Coupler Unit410
- A-8-2 Connection to an Ethernet/Ip Coupler Unit412
Displaying the Edit Unit Operation Settings Tab Page414
- A-9-1 Connection to the CPU Unit414
- A-9-2 Slave Terminal416

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