Chapter 5 Signal Connections
NI 7350 User Manual 5-4 ni.com
Table5-1 describes the signals on the motion I/O connector.

Table 5-1. Motion I/O Signal Connections

Signal Name Reference Direction Description
Digital Ground — — Reference for digital I/O
Axis <1..8> Dir (CCW) Digital Ground Output Motor direction or counterclockwise
control
Axis <1..8> Step (CW) Digital Ground Output Motor step or clockwise control
Axis <1..8> Encoder Phase A Digital Ground Input Closed-loop only—phase A encoder
input
Axis <1..8> Encoder Phase B Digital Ground Input Closed-loop only—phase B encoder
input
Axis <1..8> Encoder Index Digital Ground Input Closed-loop only—index encoder
input
Axis <1..8> Home Switch Digital Ground Input Home switch
Axis <1..8> Forward Limit Switch Digital Ground Input Forward limit switch
Axis <1..8> Reverse Limit Switch Digital Ground Input Reverse limit switch
Axis <1..8> Inhibit Digital Ground Output Drive inhibit
Trigger <1..8> Digital Ground Input High-speed position capture trigger
input <1..8>
Breakpoint <1..8> Digital Ground Output Position breakpoint output <1..8>
Host +5 V Digital Ground Output +5 V—host computer +5 V supply
Analog Input Ground — — Reference for analog inputs
Analog Input <1..8> Analog Input Ground Input 16-bit analog input
Analog Output <1..8> Analog Output Ground Output 16-bit analog output
Analog Output Ground — — Reference for analog outputs
Shutdown Digital Ground Input Controlled device shutdown
Analog Reference (output) Analog Output Ground Output +7.5 V—analog reference level