Table 5-1. Motion I/O Signal Connections - National Instruments Motion Control 7334 User Manual

Signal Name
Axis <1..4> Dir (CCW)
Axis <1..4> Step (CW)
Axis <1..4> Encoder Phase A
Axis <1..4> Encoder Phase B
Axis<1..4> Encoder Index
Axis <1..4> Home Switch
Axis <1..4> Forward Limit Switch
Axis <1..4> Reverse Limit Switch
Axis <1..4> Inhibit
Trigger <1..4>
Breakpoint <1..4>
Host +5 V
Analog Input Ground
Analog Input <1..4>
Analog Output <1..4>
Analog Output Ground
Shutdown
Analog Reference (output)
Digital Ground
© National Instruments Corporation
Table 5-1 describes the signals on the motion I/O connector.

Table 5-1. Motion I/O Signal Connections

Reference
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
Digital Ground
—
Analog Input Ground
Analog Output Ground
—
Digital Ground
Analog Input Ground
—
Direction
Output Motor direction or
counter-clockwise control
Output Motor step or clockwise control
Input Closed-loop only—phase A encoder
input
Input Closed-loop only—phase B encoder
input
Input Closed-loop only—index encoder
input
Input Home switch
Input Forward/clockwise limit switch
Input Reverse/counter-clockwise limit
switch
Output Drive inhibit
Input High-speed position capture trigger
input <1..4>
Output Breakpoint output <1..4>
Output +5 V—host computer +5 V supply
— Reference for analog inputs
Input 12-bit analog input
Output 16-bit analog output (7344 only)
— Reference for analog outputs
(7344 only)
Input Controlled device shutdown
Output +7.5 V—analog reference level
— Reference for digital I/O
5-3
Chapter 5 Signal Connections
Description
7344/7334 Hardware User Manual