Page 3 - Important Information
Important Information Warranty The National Instruments PXI/PCI-7350 is warranted against defects in materials and workmanship for a period of one year from the date of shipment, as evidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment th...
Page 4 - Compliance; Determining FCC Class; Class A; Compliance with EU Directives
Compliance Compliance with FCC/Canada Radio Frequency Interference Regulations Determining FCC Class The Federal Communications Commission (FCC) has rules to protect wireless communications from interference. The FCC places digital electronics into two classes. These classes are known as Class A (fo...
Page 5 - Contents; About This Manual
© National Instruments Corporation v NI 7350 User Manual Contents About This Manual Conventions ................................................................................................................... ixRelated Documentation....................................................................
Page 7 - Glossary
Contents © National Instruments Corporation vii NI 7350 User Manual Appendix DTechnical Support and Professional Services Glossary Index
Page 8 - Conventions
© National Instruments Corporation ix NI 7350 User Manual About This Manual This manual describes the electrical and mechanical aspects of the National Instruments PXI/PCI-7350 motion controller and contains information concerning its installation and operation. The NI 7350 controller is designed fo...
Page 9 - Related Documentation
About This Manual NI 7350 User Manual x ni.com monospace Text in this font denotes text or characters that you should enter from the keyboard, sections of code, programming examples, and syntax examples. This font is also used for the proper names of disk drives, paths, directories, programs, subpro...
Page 10 - Introduction; About the NI 7350 Controller; Features
© National Instruments Corporation 1-1 NI 7350 User Manual 1 Introduction This chapter includes information about the features of the National Instruments PXI/PCI-7350 controller and information about operating the device. About the NI 7350 Controller The NI 7350 controller features advanced motion ...
Page 11 - Hardware; RTSI; What You Need to Get Started
Chapter 1 Introduction NI 7350 User Manual 1-2 ni.com Hardware The NI 7350 controller is a high performance controller that uses an advanced dual-processor for embedded real-time control. This powerful functionality provides high-speed communications while off-loading complex motion functions from t...
Page 12 - Software Programming Choices
Chapter 1 Introduction © National Instruments Corporation 1-3 NI 7350 User Manual ❑ One of the following software packages and documentation: – LabVIEW – LabWindows ™ /CVI ™ – Measurement Studio – C/C++ – Microsoft Visual Basic ❑ A computer with an available PXI, CompactPCI, or PCI slot Software Pro...
Page 13 - Optional Equipment; Motion I/O Connections
Chapter 1 Introduction NI 7350 User Manual 1-4 ni.com Optional Equipment National Instruments offers a variety of products for use with the NI 7350 controller, including the following accessories: • Cables and cable assemblies for motion and digital I/O • Universal Motion Interface (UMI) wiring conn...
Page 14 - Configuration and Installation; Software Installation; Controller Configuration
© National Instruments Corporation 2-1 NI 7350 User Manual 2 Configuration and Installation This chapter describes how to configure and install the National Instruments PXI/PCI-7350 controller. Software Installation Before installing the NI 7350 controller, install the NI-Motion software and, if app...
Page 17 - Hardware Installation
Chapter 2 Configuration and Installation NI 7350 User Manual 2-4 ni.com Hardware Installation You can install the NI 7350 controller in any open compatible expansion slot in the computer. Appendix A, Specifications , lists the maximum power required for the NI 7350 controller. The following instruct...
Page 18 - Connecting Brushless Servo Motors
Chapter 2 Configuration and Installation © National Instruments Corporation 2-5 NI 7350 User Manual ♦ PCI-7350 1. Power off and unplug the computer. Caution To protect yourself and the computer from electrical hazards, the computer should remain unplugged until the installation is complete. 2. Open ...
Page 19 - Connecting the Hall Effect Sensors
Chapter 2 Configuration and Installation NI 7350 User Manual 2-6 ni.com software to work with this type of system, refer to the NI-Motion User Manual . When connecting to a drive that does not perform the sinusoidal commutation, the NI 7350 commutates the first two phases and the servo drive determi...
Page 23 - Connecting the Motor Leads
Chapter 2 Configuration and Installation NI 7350 User Manual 2-10 ni.com Figure 2-4. Type 2 Hall Sensor Phasing Sequence Diagram Refer to the Measurement & Automation Explorer Help for Motion for information about configuring the NI-Motion software for brushless servo motors. Connecting the Moto...
Page 25 - Hardware Overview
© National Instruments Corporation 3-1 NI 7350 User Manual 3 Hardware Overview This chapter presents an overview of the National Instruments PXI/PCI-7350 controller hardware functionality. Figures 3-1 and 3-2 illustrate the functional components of the NI PXI-7350. Figure 3-1. PXI-7350 Parts Locator...
Page 28 - User Connectors
Chapter 3 Hardware Overview NI 7350 User Manual 3-4 ni.com Figure 3-4. PCI-7350 Parts Locator Diagram (Back Panel) User Connectors The two 68-pin motion I/O connectors provide all the signals for up to eight axes of closed-loop motion control, including encoder feedback, limit and home inputs, break...
Page 30 - Functional Overview; Dual Processor Architecture; Embedded Real-Time Operating System
© National Instruments Corporation 4-1 NI 7350 User Manual 4 Functional Overview This chapter provides an overview of the National Instruments PXI/PCI-7350 controller architecture and its capabilities. Dual Processor Architecture The NI 7350 controller can perform up to eight axes of simultaneous mo...
Page 31 - Trajectory Generators
Chapter 4 Functional Overview NI 7350 User Manual 4-2 ni.com The DSP chip is a separate processor that operates independently from the CPU but is closely synchronized through interprocessor communication. The NI 7350 is a true multiprocessing and multitasking embedded controller. The architecture of...
Page 32 - Onboard Sinusoidal Commutation; Axes and Motion Resources; Axes
Chapter 4 Functional Overview © National Instruments Corporation 4-3 NI 7350 User Manual Onboard Sinusoidal Commutation The NI 7350 controller provides onboard sinusoidal commutation for axes controlling brushless DC servo motors. This feature reduces overall system cost by allowing you to use less ...
Page 34 - Motion Resources; Onboard Programs and Buffers
Chapter 4 Functional Overview © National Instruments Corporation 4-5 NI 7350 User Manual when implementing dual-loop control, such as in backlash compensation, which reduces the number of encoders available for other axes. Note Refer to the NI-Motion User Manual for more information about configurin...
Page 35 - Host Communications
Chapter 4 Functional Overview NI 7350 User Manual 4-6 ni.com functions for up to 120 general-purpose variables. Refer to the NI-Motion User Manual for more information. The NI 7350 also features buffered operations for contouring, high-speed position captures, and breakpoints (position compare). You...
Page 36 - Motion I/O Connectors
© National Instruments Corporation 5-1 NI 7350 User Manual 5 Signal Connections This chapter describes how to make input and output signal connections directly to the National Instruments PXI/PCI-7350 controller and briefly describes the associated I/O circuitry. The NI 7350 controller has the follo...
Page 40 - Motion Axis Signals
Chapter 5 Signal Connections © National Instruments Corporation 5-5 NI 7350 User Manual Motion Axis Signals The following signals control the servo amplifier or stepper drive. • Analog Output <1..8> —These 16-bit DAC outputs are typically the servo command outputs for each axis. They can drive...
Page 41 - Limit and Home Inputs
Chapter 5 Signal Connections NI 7350 User Manual 5-6 ni.com You can choose to drive the Step (CW) and Dir (CCW) outputs by using either Totem Pole mode or Open Collector mode. In Totem Pole mode, the output buffer can both sink and source current, which is appropriate for most applications. In Open ...
Page 42 - Wiring Concerns; Limit and Home Input Circuit
Chapter 5 Signal Connections © National Instruments Corporation 5-7 NI 7350 User Manual Limit and home inputs are digitally filtered and must remain active for at least 1 ms to be recognized. Refer to Appendix A, Specifications , for more information. You can use MAX to disable digital filtering for...
Page 43 - Encoder Signals
Chapter 5 Signal Connections NI 7350 User Manual 5-8 ni.com Caution Excessive input voltages can cause erroneous operation and/or component failure. Verify that the input voltage is within the specification range. Encoder Signals The NI 7350 controller offers up to eight channels of single-ended qua...
Page 45 - Encoder Input Circuit
Chapter 5 Signal Connections NI 7350 User Manual 5-10 ni.com Caution Wire encoder signals and their ground connections separately from all other connections. Wiring these signals near the motor drive/amplifier or other signals can cause positioning errors and faulty operation. National Instruments s...
Page 47 - Trigger Input and Shutdown Input Circuits
Chapter 5 Signal Connections NI 7350 User Manual 5-12 ni.com Trigger Input and Shutdown Input Circuits Trigger (position capture) input and shutdown input circuits have onboard pull-up resistors, and are interpreted as high logic level if left floating. Analog Inputs The NI 7350 controller has the f...
Page 48 - Other Motion I/O Connection; Interfacing With Optocouplers
Chapter 5 Signal Connections © National Instruments Corporation 5-13 NI 7350 User Manual Wiring Concerns For proper use of each ADC input channel, the analog signal should be a floating source with the positive terminal connected to the channel input and the negative terminal connected to analog inp...
Page 50 - Digital I/O Connector
Chapter 5 Signal Connections © National Instruments Corporation 5-15 NI 7350 User Manual Digital I/O Connector The general-purpose digital I/O lines on the NI 7350 controller are available on two separate 68-pin digital I/O connectors. Figures 5-7 and 5-8 show the pin assignments for these connector...
Page 52 - PWM Features
Chapter 5 Signal Connections © National Instruments Corporation 5-17 NI 7350 User Manual Bits 2–7 in DIO ports 4 and 8 are dual-purpose bits that can be used for either general-purpose I/O or Hall sensor feedback during system configuration and initialization, but not both. When you set these bits t...
Page 53 - RTSI Connector; RTSI Signal Considerations
Chapter 5 Signal Connections NI 7350 User Manual 5-18 ni.com RTSI Connector The PXI-7350 uses the PXI chassis backplane to connect to other RTSI-capable devices. The PCI-7350 uses a ribbon cable to connect to other RTSI-capable PCI devices. RTSI Signal Considerations The NI 7350 controller allows yo...
Page 54 - Servo Performance
© National Instruments Corporation A-1 NI 7350 User Manual A Specifications This appendix lists the hardware and software performance specifications for the PXI/PCI-7350 controller. Hardware specifications are typical at 25 °C, unless otherwise stated. Servo Performance PID update rate range...........
Page 55 - Stepper Performance
Appendix A Specifications NI 7350 User Manual A-2 ni.com Servo control loop modes .......................PID, PIVff, S-Curve, Dual Loop PID (Kp, Ki, and Kd) gains .............0 to 32,767 Integration limit (Ilim).....................0 to 32,767 Derivative sample period (Td).........1 to 63 samples F...
Page 56 - System Safety
Appendix A Specifications © National Instruments Corporation A-3 NI 7350 User Manual S-curve time range .......................... 1 to 32,767 samples Following error range ..................... 0 to 32,767 counts Gear ratio ........................................ ±32,767:1 to ±1:32,767 Stepper out...
Page 61 - Maximum Power Requirements; Weight
Appendix A Specifications NI 7350 User Manual A-8 ni.com Maximum Power Requirements +3.3 V (±10%) ........................................2 A +5 V (±5%) .............................................2 A +12 V (±5%) ...........................................30 mA –12 V (±10%) ...........................
Page 62 - Maximum Working Voltage; Environment
Appendix A Specifications © National Instruments Corporation A-9 NI 7350 User Manual Maximum Working Voltage Channel-to-earth..................................... 11 V, Installation Category I (signal voltage plus common-mode voltage) Channel-to-channel ................................ 22 V, Install...
Page 63 - Electromagnetic Compatibility; CE Compliance; Waste Electrical and Electronic Equipment (WEEE)
Appendix A Specifications NI 7350 User Manual A-10 ni.com Electromagnetic Compatibility This product is designed to meet the requirements of the following standards of EMC for electrical equipment for measurement, control, and laboratory use: • EN 61326 EMC requirements; Minimum Immunity • EN 55011 ...
Page 64 - Cable Connector Descriptions
© National Instruments Corporation B-1 NI 7350 User Manual B Cable Connector Descriptions This appendix describes the connector pinout for the cables that connect to the PXI/PCI-7350 controller. Figures B-1 and B-2 show the pin assignments for the stepper 50-pin motion connectors, while Figures B-3 ...
Page 69 - Input/Output Reset States
© National Instruments Corporation C-1 NI 7350 User Manual C Input/Output Reset States This appendix lists the various states of the NI PXI/PCI-7350 hardware during reset. Table C-1. I/O States During Reset Signal Names Direction From Power On Until Device Initialization Mode Polarity State Motion I...
Page 80 - Symbols; Numerics
© National Instruments Corporation I-1 NI 7350 User Manual Index Symbols +5 V signal. See Host +5 V signal Numerics 7350 controller configuration, 2-1digital I/O connector axes 1–4 (figure), 5-15axes 5–8 (figure), 5-16 digital I/O connectors, overview, 3-4features, 1-1hardware, 1-2hardware overview,...
