Kontron CP381 Bedienungsanleitung PDF herunterladen (Seite 5)

CP381 Preface

Chapter

4. Configuration .............................................................................................. 4 - 3

4.1 Jumper Settings .................................................................................... 4 - 3

4.2 Digital Input Signal Requirements. ........................................................ 4 - 3

4.2.1 Channels ....................................................................................... 4 - 3

4.2.2 Signal Characteristics ................................................................... 4 - 3

4.2.3 Channel Configuration .................................................................. 4 - 4

4.3 Programming Interface .......................................................................... 4 - 6

4.3.1 Access Control Logic (Address Decoder) ..................................... 4 - 6

4.3.2 Reading Input Data ....................................................................... 4 - 7

4.3.3 Debouncing Inputs ........................................................................ 4 - 8

4.3.4 Detecting Input Events .................................................................. 4 - 9

4.3.5 Latching on Input Events ............................................................ 4 - 10

4.3.6 Comparing Input Patterns ........................................................... 4 - 10

4.3.7 Hardware Debug/Test Registers ................................................ 4 - 11

4.3.8 Generating Interrupts .................................................................. 4 - 12

4.3.9 Programming the Board Capability ROM ................................... 4 - 13

Chapter

5. System Considerations ............................................................................... 5 - 3

5.1 Introduction ........................................................................................... 5 - 3

5.2 General ................................................................................................. 5 - 3

5.3 Shielding ............................................................................................... 5 - 3

5.4 Debouncing ........................................................................................... 5 - 4

5.5 Process-side Signal Conditioning ......................................................... 5 - 4

5.6 Cable Interfacing ................................................................................... 5 - 4

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Kontron CP381 Bedienungsanleitung Seite 5