Brainboxes IE-780 Informacje Techniczne Pobierz pdf (Strona 7)

Opto Hardware Reference

Contents._________

Chapter 1. Outputs, Inputs, Watchdog & Power.__________________________________________

Introduction. 1

Power Supply. 1

Output Driver Types. 2

Sink And Source Explained. 3

UDN2984 ULN2804 Driver Selection. 4

Source Driver Output Connection. 4

Source Driver Output Logical Levels. 6

Sink Driver Output Connection. 6

Sink Driver Output Logical Levels. 8

Power Off And Reset Output Levels. 9

Safety First. 9

Input Port Schematic. 10

The Watch Dog. 10

Watch Dog Enable Register. 12

Watch Dog Time Out. 12

Connector Cross Reference. 14

Chapter 1. List Of Figures.________________________

Figure 1-1. Regulated Power Supply. 1

Figure 1-2. Unregulated Power Supply. 2

Figure 1-3. Useless Power Supply. 2

Figure 1-4. Driver Chip Select. 4

Figure 1-5. Source Driver Output Port Schematic. 5

Figure 1-6. Source Driver Output Connections. 5

Figure 1-7. Logically Inverting The Source Output. 6

Figure 1-8. Sink Driver Output Port Schematic. 7

Figure 1-9. Sink Driver Output Connections. 7

Figure 1-10. Logically Inverting The Sink Output. 8

Figure 1-11. Sink Versus Source Outputs. 9

Figure 1-12. Input Port Schematic. 10

Figure 1-13. Watch Dog Enable Register. 11

Figure 1-14. 50IDC To 50D Pin Outs. 13

Figure 1-15. 50D To 50IDC Pin Outs. 14

Intro-7

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Brainboxes IE-780 Informacje Techniczne Strona 7