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7 Serial Communications

7 - 38

NX-series Communications Interface Units User’s Manual (W540)

Table of Contents

Introduction3
- Intended Audience3
- Applicable Products3
- Table of Contents4
Relevant Manuals8
Manual Structure9
- Page Structure and Icons9
- Special Information10
- Precautions on Terminology10
Terms and Conditions Agreement12
- Warranty, Limitations of Liability12
- Application Considerations13
- Disclaimers13
Safety Precautions14
Precautions for Safe Use18
Precautions for Correct Use23
Regulations and Standards25
- Conformance to EU Directives25
- Conformance to UL and CSA Standards26
- Conformance to Shipbuilding Standards26
- Conformance to KC Certification26
- Software Licenses and Copyrights26
Unit Versions27
- Unit Versions and Support Software Versions28
Related Manuals29
- Specifications30
Terminology33
Revision History35
Sections in this Manual37
- Features and System Configuration39
- Features of Communications Interface Units40
- System Configuration41
  - System Configuration with CIF Unit Connected to CPU Unit41
  - System Configuration of Slave Terminals43
- Unit Models, Functions, and Support Software45
- Serial Communications Instructions for the CIF Units46
  - Serial Communications Instructions for CIF Units46
  - Conditions for Using Serial Communications Instructions for CIF Units46
Specifications50
- General Specifications50
- Specifications of Individual Units51
Application Procedures53
Part Names56
- NX-CIF101 and NX-CIF10556
- Nx-Cif21058
Indicators59
- TS Indicator60
- Send/Receive Indicators61
- Appearance Change of the Indicators61
  - Installation and Wiring63
Section 4 Installation and Wiring64
Installing NX Units64
Connecting the Power Supply and Ground Wires65
Wiring the Terminals66
- Wiring the Screwless Clamping Terminal Blocks66
- Wiring the D-Sub Connector81
Wiring Communications82
- Terminal Arrangement82
- Connecting to Serial Communications Devices85
- Examples of Recommended RS-232C and RS-422A/485 Wiring89
Section 5 I/O Data Specifications93
- I/O Data Specifications93
I/O Data Specifications for NX-CIF101 and NX-CIF10593
I/O Data Specifications for NX-CIF21095
- Unit Settings97
Section 6 Unit Settings98
Unit Operation Settings98
- Communications Specifications98
- Transmission Buffering98
- Event Levels100
Unit Operation Setting Procedure101
Setting the Divided Data Size102
- Serial Communications105
Section 7 Serial Communications107
No-Protocol Communications107
How Data Is Sent and Received108
- How Data Is Sent108
- How Data Is Received109
Data Used by the Serial Communications Protocol110
- Input Notification Data and Output Notification Data110
- Sids and SID Responses111
- Input Data Type and Output Data Type114
- Send Completed Toggle Bit114
- Examples of Communications between CPU Unit or Communica- Tions Master and CIF Unit117
- User Programming to Send Data131
- User Programming to Receive Data132
- User Programming to Restart a Port134
- Communications Performance135
- How the Serial Line Monitor Works144
- Support Software Operations149
  - Displaying the CIF Serial Line Monitor Tab Page149
  - Starting and Stopping Monitoring and Displaying Monitor Data151
    - Troubleshooting153
- How to Check for Errors154
- Checking for Errors with the Indicators155
- Checking for Errors and Troubleshooting on the Support Software156
- Resetting Errors172
- Troubleshooting Flowchart173
Cleaning and Inspections176
- Cleaning176
- 10-1-2 Periodic Inspection176
Maintenance Procedures179
Appendices181
A-1 Dimensions182
- NX-CIF101 and NX-CIF105182
- Nx-Cif210182
A-2 Changing NX Objects from a User Program184
- A-2-1 NX Objects that You Can Change184
- A-2-2 Procedure to Change NX Objects184
- NX Objects that You Can Change184
- Procedure to Change NX Objects184
A-3 List of NX Objects185
- A-3-1 Format of NX Object Descriptions185
- Format of NX Object Descriptions185
- A-3-2 NX Objects for the NX-CIF101 and NX-CIF105186
- NX Objects for the NX-CIF210197
A-4 Programming Samples209
- A-4-1 Items Common to All Programming Samples209
- A-4-2 Programming Sample 1: Restarting CIF Unit Ports212
- A-4-3 Programming Sample 2: Sending Data215
- A-4-4 Programming Sample 3: Receiving Data218
A-5 Version Information with CPU Units222
- Relationship between Unit Versions of Units223
Version Information with Communications Coupler Units223
- A-6-1 Connection to an Ethercat Coupler Unit223
- A-6-2 Connection to an Ethernet/Ip Coupler Unit224

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