National Instruments 7330 User Manual And Specifications page 23

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>
Shutdown
Analog Reference (output)
Digital Ground
Table 4-1. 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
Digital Ground
Analog Input
Ground
—
NI 7330 User Manual and Specifications
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
Input Controlled device shutdown
Output +7.5 V—analog reference level
— Reference for digital I/O
Description
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