Chapter 11 - Rotator System

CONTENTS

Section 11.1 - Introduction

11.1.1 References
11.1.2 Signal Conventions
11.1.3 Rotator Control Overview
11.1.4 Rotator Mechanical Integration
11.1.5 Rotator Gain Setting
11.1.6 Adjustment Procedure
11.1.7 Rotator Operating Sequence
11.1.8 Reset
11.1.9 Standby
11.1.10 Initialise Absolute Encoder
11.1.11 Send Motor Position
11.1.12 Normal Operation
11.1.13 Stop
11.1.14 Error Handling
11.1.15 Failure of an Absolute Encoder
11.1.16 Power Amplifier Failure
11.1.17 Computer Failure

Section 11.2 - Rotator Interlocks and Limit Signals

11.2.1 Interlock Chain
11.2.2 Limit Switches
11.2.3 Interlock Function
11.2.4 Software Limit Warnings
11.2.5 Mechanical Adjustment

Section 11.3 - Motor

11.3.1 Motor Cable
11.3.2 Cooling System

Section 11.4 - Brake

Section 11.5 - Encoder

11.5.1 Electronic
11.5.2 Adjustment

Section 11.6 - Rotator Driver

Section 11.7 - Watchdog

Section 11.8 - Signal Descriptions

11.8.1 Power Amplifier Signals
11.8.2 Absolute Encoder Signals
11.8.3 Limit Switch Signals
11.8.4 Interlock Signals
11.8.5 Derotator Signals
11.8.6 Miscellaneous Signals

Section 11.9 - Connection Schedule

11.9.1 Power Amplifier Signals 1
11.9.2 Power Amplifier Signals 2
11.9.3 Absolute Encoder Signals
11.9.4 Interlock and Limit Signals

Section 11.10 - Servo Adjustment

11.10.1 Velocity Loop
11.10.2 Position Loop

Section 11.11 - Maintenance Information

11.11.1 Drawing List
11.11.2 Data Sheets
11.11.3 Speed Control Documentation