National Instruments Motion Control 7344, User Manual

Page: 5 / 71

Contents
7344 Hardware User Manual vi www.natinst.com
Axes, Motion Resources, and Vector Spaces ................................................................ 4-6
Axes ................................................................................................................ 4-6
Motion Resources ........................................................................................... 4-7
Vector Spaces.................................................................................................. 4-8
Onboard Programs......................................................................................................... 4-9
Find Home and Find Index ............................................................................. 4-10
Find Home ........................................................................................ 4-10
Find Index......................................................................................... 4-10
Host Communications ................................................................................................... 4-10
Packets, Handshaking, and FIFO Buffers ....................................................... 4-11
Return Data Buffer.......................................................................................... 4-12
Error Stack ...................................................................................................... 4-12
Chapter 5
Signal Connections
Motion I/O Connector ................................................................................................... 5-1
Motion Axis Signals........................................................................................ 5-4
Limit and Home Inputs ................................................................................... 5-5
Wiring Concerns............................................................................... 5-6
Limit and Home Input Circuit .......................................................... 5-6
Encoder Signals............................................................................................... 5-7
Encoder<1..4> Phase A/Phase B ...................................................... 5-7
Encoder <1..4> Index ....................................................................... 5-8
Wiring Concerns............................................................................... 5-8
Encoder Input Circuit ....................................................................... 5-9
Trigger Inputs and Breakpoint Outputs .......................................................... 5-9
Wiring Concerns............................................................................... 5-10
Trigger Input and Breakpoint Output Circuits ................................. 5-11
Analog Inputs .................................................................................................. 5-11
Wiring Concerns............................................................................... 5-13
Other Motion I/O Connections ....................................................................... 5-13
Digital I/O Connector .................................................................................................... 5-13
PWM Features................................................................................................. 5-15
Appendix A
Specifications
Appendix B
Cable Connector Descriptions