Hardware Reference Manual
Table of Contents
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Table of Contents
INTRODUCTION .......................................................................................................................................................4
Acc-1P: Axis Expansion Piggyback Board...........................................................................................................4
Acc-1P Option 1: I/O Ports .................................................................................................................................4
Acc-1P Option 2: Analog-to-Digital Converters .................................................................................................4
HARDWARE SETUP .................................................................................................................................................6
I/O Configuration Jumpers........................................................................................................................................6
Encoder Configuration Jumpers................................................................................................................................6
Reserved Configuration Jumpers ..............................................................................................................................7
Resistor Packs Configuration (older rev boards without E20-23).............................................................................7
Differential or Single-Ended Encoder Selection...................................................................................................7
Handwheel Encoder Termination Resistors .........................................................................................................8
MACHINE CONNECTIONS.....................................................................................................................................9
Mounting ...................................................................................................................................................................9
Power Supplies..........................................................................................................................................................9
Digital Power Supply............................................................................................................................................9
DAC Outputs Power Supply .................................................................................................................................9
Flags Power Supply............................................................................................................................................10
Overtravel Limits and Home Switches....................................................................................................................10
Types of Overtravel Limits..................................................................................................................................10
Home Switches....................................................................................................................................................10
Motor Signals Connections .....................................................................................................................................10
Incremental Encoder Connection .......................................................................................................................10
DAC Output Signals ...........................................................................................................................................11
Pulse and Direction (Stepper) Drivers ...............................................................................................................11
Amplifier Enable Signal (AENAx/DIRn).............................................................................................................11
Amplifier Fault Signal (FAULT-) .......................................................................................................................12
General-Purpose Digital Inputs and Outputs (J7 Port) ............................................................................................12
Thumbwheel Multiplexer Port (JTHW Port)...........................................................................................................13
Handwheel Port (JHW / PD Port) ...........................................................................................................................14
Optional Analog Inputs ...........................................................................................................................................14
Compare Equal Outputs ..........................................................................................................................................14
Machine Connections Example: Using Analog ±10V Amplifier............................................................................15
Machine Connections Example: Using Pulse and Direction Drivers ......................................................................16
SOFTWARE SETUP (NON-TURBO PMAC2A-PC104) ......................................................................................18
Communications......................................................................................................................................................18
PMAC I-Variables...................................................................................................................................................18
Filtered DAC Outputs Configuration ......................................................................................................................18
Using Flag I/O as General-Purpose I/O...................................................................................................................18
General-Purpose Digital Inputs and Outputs...........................................................................................................19
Jumper E6 on Position 1-2 .................................................................................................................................19
Jumper E5 in Position 2-3 ..................................................................................................................................19
Thumbwheel Port Digital Inputs and Outputs.........................................................................................................21
Jumper E6 in Position 1-2 ..................................................................................................................................21
Jumper E6 in Position 2-3 ..................................................................................................................................21
Analog Inputs Setup ................................................................................................................................................22
Analog Inputs......................................................................................................................................................22
SOFTWARE SETUP (TURBO PMAC2A-PC104 AND CLIPPER) ....................................................................23
Filtered DAC Outputs Configuration ......................................................................................................................23
Motor Setup for channels 9-12 ...........................................................................................................................24
Using Flag I/O as General-Purpose I/O...................................................................................................................29
General-Purpose Digital Inputs and Outputs...........................................................................................................30
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