Page 3 - Important Information
Important Information Warranty The 7344/7334 controllers are warranted against defects in materials and workmanship for a period of 1 year from the date of shipment, asevidenced by receipts or other documentation. National Instruments will, at its option, repair or replace equipment that proves to b...
Page 4 - Contents; About This Manual
© National Instruments Corporation v 7344/7334 Hardware User Manual Contents About This Manual Conventions ................................................................................................................... ixRelated Documentation.........................................................
Page 6 - Glossary
Contents © National Instruments Corporation vii 7344/7334 Hardware User Manual Glossary Index Figures Figure 3-1. PCI-7344 Parts Locator Diagram .......................................................... 3-1 Figure 3-2. PXI-7344 Parts Locator Diagram ....................................................
Page 7 - Conventions
© National Instruments Corporation ix 7344/7334 Hardware User Manual About This Manual This manual describes the electrical and mechanical aspects of eachcontroller in the 7344/7334 family and contains information concerningtheir operation and programming. Unless otherwise noted, text applies toall ...
Page 8 - Related Documentation
About This Manual 7344/7334 Hardware User Manual x ni.com programs, subprograms, subroutines, device names, functions, operations,variables, filenames and extensions, and code excerpts. Related Documentation The following documents contain information that you might find helpfulas you read this manu...
Page 9 - Introduction; Features
© National Instruments Corporation 1-1 7344/7334 Hardware User Manual 1 Introduction This chapter describes the FlexMotion 7344 and 7334 controllers and theiroperation. About the 7344/7334 Controller Thank you for purchasing a 7344/7334 controller. The 7344/7334controller features advanced motion co...
Page 10 - Hardware; RTSI; What You Need to Get Started
Chapter 1 Introduction 7344/7334 Hardware User Manual 1-2 ni.com Hardware The high-performance capabilities of the 7344/7334 controllers arethe result of an advanced dual-processor architecture using a MotorolaMC68331 real-time 32-bit CPU combined with an Analog DevicesADSP-2185 digital signal proce...
Page 11 - Software Programming Choices
Chapter 1 Introduction © National Instruments Corporation 1-3 7344/7334 Hardware User Manual ❑ 7344/7334 Hardware User Manual ❑ FlexMotion Software Reference Manual ❑ One of the following software packages and documentation: – LabVIEW – LabWindows/CVI – FlexMotion software ❑ Your computer with an av...
Page 12 - Optional Equipment; Motion I/O Connections
Chapter 1 Introduction 7344/7334 Hardware User Manual 1-4 ni.com Optional Equipment National Instruments offers a variety of products for use with the7344/7334 controller, including cables, Universal Motion Interfaces(UMIs), drive power amplifier units, and other accessories as follows: • Cables and...
Page 13 - Configuration and Installation; Software Installation; Hardware Installation
© National Instruments Corporation 2-1 7344/7334 Hardware User Manual 2 Configuration and Installation This chapter describes how to configure and install your 7344/7334controller. Software Installation Install your FlexMotion software, along with your Motion VI libraries(if appropriate) before you ...
Page 16 - Hardware Overview
© National Instruments Corporation 3-1 7344/7334 Hardware User Manual 3 Hardware Overview This chapter presents an overview of the 7344/7334 controller hardwarefunctionality. Figures 3-1, 3-2, and 3-4 show the PCI-7344, PXI-7344, and PCI-7334parts locator diagrams, respectively. Figure 3-3 shows the...
Page 18 - User Connectors
Chapter 3 Hardware Overview © National Instruments Corporation 3-3 7344/7334 Hardware User Manual Figure 3-4. PCI-7334 Parts Locator Diagram User Connectors The 68-pin motion I/O connector provides all of the signals for four axes ofclosed-loop motion control, including encoder feedback, limit and h...
Page 20 - Functional Overview; Dual Processor Architecture
© National Instruments Corporation 4-1 7344/7334 Hardware User Manual 4 Functional Overview This chapter presents an overview of the motion control algorithms andcapabilities of the 7344/7334 controller. Dual Processor Architecture You can perform up to four axes of simultaneous, coordinated motionc...
Page 21 - Trajectory Generators
Chapter 4 Functional Overview 7344/7334 Hardware User Manual 4-2 ni.com The DSP chip is a separate processor that operates independently fromthe CPU but is closely synchronized by an internal packet-based command,data, and messaging event structure. The 7344/7334 controllers are truemultiprocessing ...
Page 22 - Axes and Motion Resources; Axes
Chapter 4 Functional Overview © National Instruments Corporation 4-3 7344/7334 Hardware User Manual Flash memory also allows objects such as programs and data arrays to bestored in non-volatile memory. It is possible to save the entire parameterstate of the controller to the flash memory. On the nex...
Page 23 - Motion Resources
Chapter 4 Functional Overview 7344/7334 Hardware User Manual 4-4 ni.com Figure 4-2. Stepper Axis Resources The 7344/7334 controller supports axes with secondary output resources(DACs for servo axes or stepper outputs). Defining two output resources isuseful when controlling axes with multiple motors...
Page 25 - Host Communications
Chapter 4 Functional Overview 7344/7334 Hardware User Manual 4-6 ni.com Host Communications The host computer communicates with a 7344/7334 controller through anumber of memory port addresses on the host bus. The host bus can be anyof the supported bus standards—PCI, PXI, or 1394. The primary bidire...
Page 29 - Motion Axis Signals
Chapter 5 Signal Connections 7344/7334 Hardware User Manual 5-4 ni.com Motion Axis Signals The following signals control the servo amplifier or stepper driver: • Analog Output <1..4> (7344 only)—These 16-bit DAC outputs aretypically the servo command outputs for each axis. They can drivethe in...
Page 30 - Limit and Home Inputs
Chapter 5 Signal Connections © National Instruments Corporation 5-5 7344/7334 Hardware User Manual • Axis <1..4> Inhibit—Use the inhibit output signals to control theenable/inhibit function of a servo amplifier or stepper driver. Whenproperly connected and configured, the inhibit function caus...
Page 31 - Wiring Concerns
Chapter 5 Signal Connections 7344/7334 Hardware User Manual 5-6 ni.com You can use software disabled limit and home inputs as general-purposeinputs. You can read the status of these inputs at any time and set andchange their polarity as required. Limit and home inputs are a per axis enhancement on t...
Page 32 - Encoder Signals
Chapter 5 Signal Connections © National Instruments Corporation 5-7 7344/7334 Hardware User Manual Encoder Signals The 7344/7334 controller offers four channels of single-ended quadratureencoder inputs. All National Instruments power drives and UMIaccessories provide built-in circuitry that converts...
Page 34 - Trigger Inputs, Shutdown Input, and Breakpoint Outputs
Chapter 5 Signal Connections © National Instruments Corporation 5-9 7344/7334 Hardware User Manual Caution Use of an unshielded cable can permit noise to corrupt the encoder signals resulting in lost counts and reduced motion system accuracy. Encoder Input Circuit Figure 5-4 shows a simplified schem...
Page 37 - Analog Inputs
Chapter 5 Signal Connections 7344/7334 Hardware User Manual 5-12 ni.com Analog Inputs The 7344/7334 controller has the following ADC input signals: • Analog Input <1..4>—The 7344/7334 controller includes an eightchannel multiplexed, 12-bit ADC capable of measuring ±10 V, ±5 V,0–10 V, and 0–5 V...
Page 38 - Other Motion I/O Connections
Chapter 5 Signal Connections © National Instruments Corporation 5-13 7344/7334 Hardware User Manual scan rate performance. Properly enabled, the scan rate is high enoughto support analog feedback at the highest PID sample rate. • Analog Reference—For convenience, 7.5 V (nominal) analogreference volt...
Page 39 - Digital I/O Connector
Chapter 5 Signal Connections 7344/7334 Hardware User Manual 5-14 ni.com Digital I/O Connector All the general-purpose digital I/O lines on the 7344/7334 controllers areavailable on a separate 68-pin digital I/O connector. The pin assignmentsfor this connector are shown in Figure 5-8. Figure 5-8. 68-...
Page 40 - PWM Features
Chapter 5 Signal Connections © National Instruments Corporation 5-15 7344/7334 Hardware User Manual The 32-bit digital I/O port is configured in hardware as four 8-bit digital I/Oports. The bits in a port are typically controlled and read with byte-widebitmapped commands. All digital I/O lines have ...
Page 41 - RTSI Signal Considerations
Chapter 5 Signal Connections 7344/7334 Hardware User Manual 5-16 ni.com RTSI Signal Considerations The 7344/7334 motion controllers allow you to use the RTSI signals assources for trigger inputs, or as destinations for breakpoint outputs andencoder signals. The RTSI bus can also be used as a generic...
Page 43 - Stepper Performance
Appendix A Specifications 7344/7334 Hardware User Manual A-2 ni.com Feedforward (Aff, Vff) gains ..........0 to 32,767 Velocity feedback (Kv) gain ...........0 to 32,767 Servo command analog outputs Voltage range...................................±10 V Resolution .......................................
Page 44 - System Safety
Appendix A Specifications © National Instruments Corporation A-3 7344/7334 Hardware User Manual Voltage range .................................. 0 to 5 V Output low voltage .................. < 0.6 V at 64 mA sink Output high voltage ................. Open collector with built-in 3.3 k Ω pull-up ...
Page 48 - Physical; Environment
Appendix A Specifications © National Instruments Corporation A-7 7344/7334 Hardware User Manual Physical Dimensions (Not Including Connectors) PCI-7344/7334 ....................................... 17.5 by 9.9 cm (6.9 by 3.9 in.) PXI-7344 ................................................ 16 by 10 cm (...
Page 49 - Cable Connector Descriptions
© National Instruments Corporation B-1 7344/7334 Hardware User Manual B Cable Connector Descriptions This appendix describes the connector pinout for the cables that connectto your 7344/7334 boards. Figures B-1 and B-2 show the pin assignments for the stepper and servo50-pin motion connectors. These...
Page 51 - Technical Support Resources; Web Support; Customer Education; System Integration
© National Instruments Corporation C-1 7344/7334 Hardware User Manual C Technical Support Resources Web Support National Instruments Web support is your first stop for help in solvinginstallation, configuration, and application problems and questions. Onlineproblem-solving and diagnostic resources i...
Page 52 - Worldwide Support
Appendix C Technical Support Resources 7344/7334 Hardware User Manual C-2 ni.com Worldwide Support National Instruments has offices located around the world to help addressyour support needs. You can access our branch office Web sites from theWorldwide Offices section of ni.com . Branch office Web s...
Page 62 - Numbers
© National Instruments Corporation I-1 7344/7334 Hardware User Manual Index Numbers +5 V signal. See Host +5 V signal. 7344/7334 controllers. See also functional overview; hardware. configuration, 2-1features, 1-1installation, 2-1 to 2-3National Instruments application software, 1-3 optional equipme...
