- 50 μs control loop rate
- Onboard spline interpolation and advanced features like position capture and position compare
- Torque and position mode control
- Forward limit, reverse limit, home switch, and general-purpose digital inputs
- Dual encoder inputs
- Terminal block connectivity to third-party servo drives. The NI 9516 C Series servo drive interface module provides servo drive interface signals for a single axis, a full set of motion I/O including inputs for a home switch and limit switches, dual incremental encoder inputs for position feedback and velocity feedback, and 0 to 30 V digital input lines. The NI 9516 also includes a processor to run the spline interpolation engine and proportional integral derivative (PID) control loop. Working together, they produce smoother motion resulting in precise servo motion control.
The NI 9516 has two connectors: a 15-pin DSUB drive interface connector and a 20-pin MDR feedback connector. The 15-pin DSUB includes command signals for interfacing with servo amplifiers or drives, a 0 to 30 V general-purpose digital input line, and a +19 to 30 V input for power connection. The 20-pin MDR connector features dual incremental encoder feedback inputs; a +5 V output for encoder power, home, limit, and position compare inputs; an output for position compare; an additional +19 to 30 V input for power connection; and an additional 0 to 30 V general-purpose digital input line.
National Instruments offers several low-cost options for connecting the NI 9516 to servo drives. You can use the NI 951x Cable and Terminal Block Bundle to connect to third-party servo drives
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