Table Of Contents - AUTOHELM Z219 Manual

Table of Contents

ST80 Active Wind Transducer

Contents

1. Description .................................................................... 5

2. Operation ...................................................................... 5

3. Disassembly ................................................................... 6

4. Assembly ....................................................................... 7

5. Functional Test ............................................................... 9

5.1 Preliminary Inspection ........................................................ 9

5.2 Test Equipment .................................................................. 9

5.3 Functional Test Flowchart ................................................. 10

6. Spares Numbers .......................................................... 11

7. Circuit Description ....................................................... 12

7.1 Power Supplies ................................................................ 12

7.2 External Signals ............................................................... 13

SeaTalk ............................................................................... 13

Anemometer ....................................................................... 13

Wind Vane ........................................................................... 13

Connector Signals (Main PCB) .............................................. 14

7.3 Signal Processing ............................................................ 15

Microprocessor................................................................... 15

Autohelm ASIC .................................................................... 15

8. PCB Details .................................................................. 17

8.1 PCB Layout ..................................................................... 17

8.2 PCB Component Lists ...................................................... 19

SeaTalk Cable ................................................................... 14

PL1 (Wind Vane) ................................................................ 14

PL2 (Anemometer) ............................................................ 14

Anemometer PCB, Components......................................... 19

Vane PCB, Components..................................................... 19

ST80 Active Wind Service Procedures 83067-1 3

Table of Contents

St80