National Instruments UMI-4A, User Manual

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© National Instruments Corporation 5 UMI Accessory User Guide — UMI-7764
Motion I/O Terminal Block
Each axis connected to the UMI-7764 has a motion I/O terminal block to
which the following signals are wired:
• Amplifier/driver connections
• Encoder connections
• Limit switch connections
• Distributed power connections
Figure 2 shows which portions of the terminal block are used for different
functionality.
Figure 2. UMI-7764 Motion I/O Terminal Block
Amplifier/Driver Terminal Block
Each UMI-7764 axis motion I/O terminal block has five terminals for
amplifier/driver connections. Refer to Figures 1 and 2 to locate the
amplifier/driver terminals on your UMI-7764 accessory. Figure 3 shows
the UMI-7764 amplifier/driver terminal block pin assignment for the
servo/stepper axes.
Forward Limit
Home Input
Reverse Limit
Inhibit Input
Digital Ground
Analog Output
Analog Output Ground
Inhibit Output
Step (CW)
Dir (CCW)
+5 V (Output)
Digital Ground
Encoder Phase A
Encoder Phase A
Encoder Phase B
Encoder Phase B
Encoder Index
Encoder Index
Limit Switch
Terminals
Amplifier/Driver
Terminals
Distributed
Power
Encoder
Terminals