PMAC-Lite Hardware Reference
Table of Contents
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Table of Contents
INTRODUCTION .....................................................................................................................................................1
Overview .....................................................................................................................................................................1
Board Configuration....................................................................................................................................................1
Base Version............................................................................................................................................................1
Option 2: Dual Ported RAM ...................................................................................................................................2
Option 5: CPU & Memory Configurations .............................................................................................................2
Option 6: Extended Servo Algorithm ......................................................................................................................2
Option 7: Plate Mounting .......................................................................................................................................2
Option 8: High-Accuracy Clock Crystal .................................................................................................................2
Option 9: RS-422 Interface (now standard)............................................................................................................2
Option 10: Firmware Version Specification ...........................................................................................................2
Option 14: Replacement of flag Opto-Isolators with Socketed Shunts ...................................................................3
Option 15: V-to-F Converter for Analog Input .......................................................................................................3
Option 16: Battery-Backed Parameter Memory .....................................................................................................3
Hardware Updates .......................................................................................................................................................3
Compatibility Issues ....................................................................................................................................................4
Basic Specifications.....................................................................................................................................................5
Physical Specifications............................................................................................................................................5
Electrical Specifications..........................................................................................................................................5
LAYOUT DIAGRAM ...............................................................................................................................................7
E-POINT DESCRIPTIONS......................................................................................................................................9
E1 - E2: Machine Output Supply Voltage Configure..................................................................................................9
E3 - E6: Servo Clock Frequency Control.................................................................................................................10
E7: Machine Input Source/Sink Control ..................................................................................................................11
E9, E10, E13, E14: Serial Interface Direction Control.............................................................................................11
E17A-D: Amplifier Enable/Direction Polarity Control.............................................................................................12
E22 - E23: Control Panel Handwheel Enable ..........................................................................................................12
E24 - E27: Encoder Single-Ended/Differential Control...........................................................................................13
E28: Following Error/Watchdog Timer Signal Control ...........................................................................................13
E29 - E33: Phase Clock Frequency Control .............................................................................................................14
E34 - E38: Encoder Sampling Clock Frequency Control.........................................................................................14
E39: Reset-From-Bus Enable ...................................................................................................................................14
E40 - E43: Servo and Phase Clock Direction Control..............................................................................................14
E44 - E47: Serial Baud Rate Control........................................................................................................................16
E48: CPU Clock Frequency Control ........................................................................................................................17
E49: Serial Communications Parity Control ............................................................................................................17
E50: Non-Volatile Memory Save Control................................................................................................................17
E51: Normal/Re-initializing Power-Up ....................................................................................................................17
E54 - E65: Host Interrupt Signal Select ...................................................................................................................18
E66 - E71: Bus Base Hardware Address (Low Bits)................................................................................................19
E72 - E73: Panel Analog Time Base Signal Enable.................................................................................................19
E74 - E75: Clock Output Control for Ext. Interpolation ..........................................................................................19
E76 - E84: Host Interrupt Signal Select ...................................................................................................................20
E85: Host-Supplied Analog Power Source Enable ..................................................................................................21
E86: Host Interrupt Signal Select .............................................................................................................................21
E87 - E88: Host-Supplied Analog Power Source Enable.........................................................................................21
E89: Amplifier-Supplied Switch Pull-Up Enable.....................................................................................................22
E90: Host-Supplied Switch Pull-Up Enable.............................................................................................................22
E91 - E92: Bus Base Address Select (High Bits) .....................................................................................................22
E93 - E94: Reset from Bus by Software Enable........................................................................................................23
E98: DAC/ADC Clock Frequency Control ..............................................................................................................23
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