NI C Series Motion Module for CompactRIO
NI 9505
• Full H-bridge brushed servo motor drive
with a built-in encoder interface and
current sensor
• Continuous current of up to 5 A at 40 °C
(or 1 A at 70 °C) at 30 V – for higher-
power requirements, attach NI 9931
• Direct connectivity to actuators such
as fractional horsepower brushed DC
servo motors, relays, lamps, solenoids,
and valves
• Create custom current loop algorithm
for optimized torque control with
LabVIEW FPGA
• Use data from current sensor for flexible
sampling time and filtering of the motor
current for control loop optimization
• Create powerful custom motion control
systems using the NI SoftMotion
Development Module for LabVIEW
Overview
The NI 9505 C Series module for NI CompactRIO is a full H-bridge
servo motor drive for direct connectivity to actuators such as fractional
horsepower brushed DC servo motors, relays, lamps, solenoids,
and valves. With its low-power consumption and small form factor,
combined with the reconfigurability and performance of the field-
programmable gate array (FPGA), you can create intelligent, energy-
efficient control systems using the NI LabVIEW graphical system design
platform. The NI 9505 delivers continuous current of up to 5 A at 40 °C
(or 1 A at 70 °C) at 30 V. To increase the output power of the module,
National Instruments offers an additional screw-terminal accessory
you can use in place of the standard screw terminal included with the
NI 9505 module. With the NI 9931 screw-terminal accessory, the
NI 9505 can deliver a maximum current of 7.3 A at 40 °C (or 1 A at
70 °C). The NI 9505 module benefits electronics engineers designing
consumer appliances, industrial control engineers designing small-
to medium-sized machines, and automotive engineers working on rapid
prototyping applications.
Key Features
This module includes a built-in encoder interface for single-ended or
differential inputs for position feedback from a quadrature encoder.
It also includes a current sensor you can use to sample the current
through the motor, or actuator, and read it through the FPGA in the
CompactRIO chassis. You can use real-time data from the current
sensor for flexible sampling time and motor current filtering to optimize
the control loop. With functions such as trajectory generation, spline
interpolation, and proportional integral derivative (PID) control featured
in the NI SoftMotion Development Module for LabVIEW, you can develop
a complete reconfigurable motion control and drive system in a compact
form factor with CompactRIO and LabVIEW. By customizing FPGA logic on
CompactRIO, you can accurately control torque in addition to velocity and
position. You also can implement advanced control techniques, such as
notch filter use, to avoid exciting the system at resonant frequencies or
apply gain scheduling, to adjust for changing load inertia. You can use
the real-time embedded processor on CompactRIO to implement
functions such as supervisory control and trajectory generation for
multiaxis coordination and accurate velocity/acceleration profiles for
smooth movements. The NI SoftMotion Development Module for
LabVIEW provides the necessary functions and examples to create a
custom motion control system using CompactRIO.
The nine-pin D-Sub connector on the NI 9505 offers encoder input
for position and velocity feedback in addition to a +5 V connection for
encoder power and an emergency stop input. The NI 9505 also has a
screw-terminal connector that provides power connection to the motor
or actuator. This hot-swappable module has four LEDs to display status
information for chassis power, motor power, drive disable, and drive
fault. It indicates the presence of a drive fault in cases of overvoltage,
undervoltage, short to supply power or ground, or excessive temperatures
in the module.
NI C Series Motion Module for CompactRIO
Shield
Encoder
Feedback
Phase A±
Phase B±
Index±
+5 V
COM
+24 V
COM
Shield
E-Stop
Motor
M+
M–
Shield
Motor DC
Power
Supply
V
SUP
COM
NI 9505
NI 9505 Connections
Applications
The minimal power dissipation and accurate velocity or position
control provided by CompactRIO with the NI 9505 is especially
important when prototyping control systems for consumer appliances
such as printers, copiers, scanners, and fax machines. The ruggedness
of the CompactRIO platform makes the NI 9505 attractive for use in
automated test equipment, process control systems, programmable
machine tools, instrumentation panels, robotics, and pick-and-place
machines. CompactRIO with the NI 9505 is also an excellent commercial
off-the-shelf platform for developing complex rapid prototyping
applications in the automotive industry for subsystems such as engine,
transmission, emission control, body and chassis, instrumentation,
antilock braking, and electronic fuel injection.
Ordering Information
NI 9505 ..................................................................................779126-01
NI 9931 higher-power motor
screw-terminal accessory for NI 9505..............................780571-01
NI 9943 9-pin connector kit with strain relief ......................779570-01
NI 9946 4-pos NI 9505 plugs (quantity 10) ..........................779571-01
NI 9947 4-pos NI 9505 plug with strain relief......................779580-01
BUY NOW!
For complete product specifications, pricing, and accessory
information, call (800) 813 3693 (U.S.) or go to
ni.com/compactrio.
BUY ONLINE
at
ni.com
or
CALL (800) 813 3693 (U.S.)
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• 800 813 3693
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©2009 National Instruments. All rights reserved. CompactRIO, FieldPoint, LabVIEW, National Instruments, National Instruments Alliance Partner, NI, ni.com, and NI SoftMotion are trademarks of
National Instruments. Other product and company names listed are trademarks or trade names of their respective companies. A National Instruments Alliance Partner is a business entity independent
from National Instruments and has no agency, partnership, or joint-venture relationship with National Instruments. 2009-10949-341-101-D
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