PMAC2A PC104 Hardware Reference Manual
ii
Table of Contents
DAC Output Signals ...........................................................................................................................................15
Pulse and Direction (Stepper) Drivers ...............................................................................................................15
Amplifier Enable Signal (AENAx/DIRn).............................................................................................................15
Amplifier Fault Signal (FAULT-) .......................................................................................................................16
Acc-1P General-Purpose Digital Inputs and Outputs (J7 Port) ...............................................................................16
Acc-2P General-Purpose Digital Inputs and Outputs (JOPT Port)..........................................................................17
Acc-1P Thumbwheel Multiplexer Port (J2 Port).....................................................................................................17
Acc-2P Thumbwheel Multiplexer Port (JTHW Port)..............................................................................................17
Acc-1P or Acc-2P Handwheel Port (JHW / PD Port) .............................................................................................18
Optional Analog Inputs ...........................................................................................................................................18
Compare Equal Outputs ..........................................................................................................................................18
Serial Port (JRS232 Port) ........................................................................................................................................19
Acc-2P Ethernet RJ45 Connector (J10 Port) ...........................................................................................................19
Acc-2P USB Connector (J1 Port)............................................................................................................................19
Machine Connections Example: Using Analog ±10V Amplifier ............................................................................20
Machine Connections Example: Using Pulse and Direction Drivers ......................................................................21
SOFTWARE SETUP ................................................................................................................................................23
Communications......................................................................................................................................................23
PMAC I-Variables...................................................................................................................................................23
Operational Frequency and Baud Rate Setup..........................................................................................................23
Filtered DAC Outputs Configuration ......................................................................................................................24
Using Flag I/O as General-Purpose I/O...................................................................................................................25
General-Purpose Digital Inputs and Outputs...........................................................................................................25
Acc-1P with Jumper E6 on Position 1-2.............................................................................................................25
Acc-2P with Jumper E5 in Position 2-3..............................................................................................................26
Thumbwheel Port Digital Inputs and Outputs .........................................................................................................27
Acc-1P with Jumper E6 in Position 1-2..............................................................................................................27
Acc-2P with Jumper E5 in Position 2-3..............................................................................................................27
Analog Inputs Setup ................................................................................................................................................28
Baseboard Analog Inputs....................................................................................................................................28
Acc-1P Analog Inputs .........................................................................................................................................28
BASE BOARD HARDWARE REFERENCE SUMMARY...................................................................................29
Board Dimensions ...................................................................................................................................................29
Board Layout...........................................................................................................................................................30
Connectors and Indicators .......................................................................................................................................31
J3 - Machine Connector (JMACH1 Port)...........................................................................................................31
J4 - Machine Connector (JMACH2 Port)...........................................................................................................31
J8 - Serial Port (JRS232 Port)............................................................................................................................31
TB1 – Power Supply Terminal Block (JPWR Connector) ..................................................................................31
LED Indicators ...................................................................................................................................................31
ACC-1P HARDWARE REFERENCE SUMMARY ..............................................................................................33
Board Dimensions ...................................................................................................................................................33
Board Layout...........................................................................................................................................................34
Connectors and Indicators .......................................................................................................................................35
J2 - Thumbwheel Multiplexer Port (JTHW Port) ...............................................................................................35
J3 - Machine Connector (JMACH1 Port)...........................................................................................................35
J4 - Machine Connector (JMACH2 Port)...........................................................................................................35
J7 - General-Purpose Digital Inputs and Outputs (JOPT Port).........................................................................35
J8 – Handwheel / Pulse and Direction Port (JHW / PD Port) ...........................................................................35
TB1 – Power Supply Terminal Block (JPWR Connector) ..................................................................................35
ACC-2P HARDWARE REFERENCE SUMMARY ..............................................................................................37
Board Dimensions ...................................................................................................................................................37
Board Layout...........................................................................................................................................................38
Connectors and Indicators .......................................................................................................................................39
