Table of Contents
Page
I-E96-315B
iii
SECTION 1 - INTRODUCTION ....................................................................................................1-1
INTRODUCTION ...........................................................................................................1-1
INTENDED USER .........................................................................................................1-1
HARDWARE DESCRIPTION..........................................................................................1-1
HARDWARE APPLICATION...........................................................................................1-1
INSTRUCTION CONTENT .............................................................................................1-2
HOW TO USE ...............................................................................................................1-3
NOMENCLATURE ........................................................................................................1-4
GLOSSARY OF TERMS AND ABBREVIATIONS .............................................................1-4
REFERENCE DOCUMENTS..........................................................................................1-6
SPECIFICATIONS .........................................................................................................1-6
SECTION 2 - DESCRIPTION AND OPERATION........................................................................2-1
INTRODUCTION ...........................................................................................................2-1
CONTROL LOOP OPERATION.......................................................................................2-1
Hydraulic Servo Slave ............................................................................................2-1
Frequency Counter Slave .......................................................................................2-2
Multi-Function Processor .......................................................................................2-3
HSS MODULE OPERATION ..........................................................................................2-3
HSS MODULE CIRCUITRY ...........................................................................................2-4
SLAVE EXPANDER BUS INTERFACE ...........................................................................2-5
STATUS AND DATA BUFFERS .....................................................................................2-6
MICROCONTROLLER ...................................................................................................2-6
POSITION DEMAND AND OUTPUT ...............................................................................2-6
Digital-to-Analog Converter ....................................................................................2-7
Position Error ........................................................................................................2-7
Servo Amplifier ......................................................................................................2-7
Dither Oscillator ....................................................................................................2-7
POSITION FEEDBACK..................................................................................................2-7
Demodulator..........................................................................................................2-7
Sample Hold Circuit ...............................................................................................2-8
Analog-to-Digital Converter ....................................................................................2-8
LVDT OSCILLATOR ......................................................................................................2-8
DIGITAL I/O ................................................................................................................2-9
SECTION 3 - INSTALLATION .....................................................................................................3-1
INTRODUCTION ...........................................................................................................3-1
HANDLING...................................................................................................................3-1
Special Handling ....................................................................................................3-1
General Handling ...................................................................................................3-1
INSTALLING THE PROCESS HARDWARE .....................................................................3-2
INSTALLING THE TERMINATION UNIT OR MODULE ....................................................3-2
Termination Unit Installation .................................................................................3-2
Termination Module Installation ............................................................................3-3
INITIAL SWITCH SETTINGS .........................................................................................3-3
Switch S1 - Slave Expander Bus Address ...............................................................3-3
Switch S2 - Controller Gain ...................................................................................3-4
Switch S3 - Dither Oscillator Frequency .................................................................3-5
Switch S4 - Dither Oscillator Current Amplitude ....................................................3-6
Switch S5 - LVDT Primary Voltage Amplitude ........................................................3-6