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| Contents |
Chapter 1 | Introduction | . 1 |
| System Overview | . 1 |
| Application Software | . 3 |
| Module Description | . 4 |
| Module Specifications | . 5 |
| Cable Types for the I/O Link | . 6 |
| Optical Adapter | . 8 |
| Operation of the I/O Link | . 9 |
| Getting Started | . 14 |
Chapter 2 | Installation | . 15 |
| Installing the I/O Link Interface Module in the Rack | . 15 |
| Removing the I/O Link Interface Module from the Rack | . 16 |
| Connecting the I/O Link Interface Module to Other Devices | . 17 |
| Serial Port Pin Assignments | . 18 |
| Optical Adapter Installation | . 20 |
Chapter 3 | Logicmaster | . 21 |
Chapter 4 | ProgrammingGuide | . 23 |
| Overview | . 23 |
| Selecting a Program Block | . 24 |
| Adding the Program Block Logic to an Application Program | . 24 |
| Calling the Program Block | . 25 |
| Program (%P) References for the I/O Link Program Blocks | . 26 |
| Global (%G) References for the I/O Link Program Blocks | . 27 |
| ConfiguringI/OLinks | . 28 |
| Controlling the I/O Link Module | . 30 |
| Monitoring Link Operation | . 32 |
GFK±0644A | Series 90 | iv |
