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NI 9503 User Manual and Specifications

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© National Instruments

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27

Specifications

The following specifications are typical for the temperature range 
-40 to 70 °C unless otherwise noted. All voltages are relative to 
COM unless otherwise noted.

Input/Output Characteristics

Motor DC power supply (Vsup) ....... +9 to +30 VDC

Minimum phase inductance.............. 1 mH

Maximum phase inductance ............. 20 mH

Type .................................................. PWM

PWM frequency................................ 20 kHz

Current per phase.............................. 3 A RMS

(4.24 A peak)

NI Part Number

Aperture Size mm (inches)

781233-01

7.0 (0.275)

781233-02

10.2 (0.402)

777297-01

13.4 (0.528)

Summary of Contents for 9503

Page 1: ...NI 9503...

Page 2: ...USER MANUAL AND SPECIFICATIONS NI 9503 Stepper Drive ni com manuals Deutsch Fran ais...

Page 3: ...n Visit ni com info and enter cseriesdoc for information about C Series documentation Note The safety guidelines and specifications in this document are specific to the NI 9503 The other components in...

Page 4: ...cations The NI 9503 is suitable for use in Class I Division 2 Groups A B C D T4 hazardous locations Class I Zone 2 AEx nA IIC T4 and Ex nA IIC T4 hazardous locations and nonhazardous locations only Fo...

Page 5: ...the input signal and the Vsup pin The device must prevent the Vsup to channel voltage from exceeding 42 V if there is a transient overvoltage condition Caution For Zone 2 applications connected signal...

Page 6: ...shall be mounted in an ATEX certified enclosure with a minimum ingress protection rating of at least IP54 as defined in IEC EN 60529 and used in an environment of not more than Pollution Degree 2 Caut...

Page 7: ...r the product to cause interference to radio and television reception or to experience unacceptable performance degradation install and use this product in strict accordance with the instructions in t...

Page 8: ...ister LR Type Approved for marine shipboard applications To verify Lloyd s Register certification for a product visit ni com certification and search for the LR certificate or look for the Lloyd s Reg...

Page 9: ...I loop and antiresonance algorithms NI 9503 status information such as drive status and drive faults are also returned to the LabVIEW FPGA module Refer to the NI 9503 topic in the LabVIEW Help availab...

Page 10: ...56 When full stepping a resonance can occur causing vibration and reducing the motor torque The NI 9503 offers the best performance when combining microstepping with the torque smoothing and antireson...

Page 11: ...electing Help LabVIEW Help for information about current reduction Figure 1 NI 9503 Block Diagram Current Scheduler Step Resolver Current Loop Fault Monitor Bridge Controller Fault Detection Current S...

Page 12: ...fer to Figure 2 for the pin assignments Caution To ensure EMC compliance special considerations are required for all cable connections Refer to the Cable Requirements for EMC Compliance section Note Y...

Page 13: ...12 ni com NI 9503 User Manual and Specifications Figure 2 NI 9503 Connections Phase A Phase A Phase B Phase B Reserved Reserved Reserved COM Vsup Chassis Ground 0 1 2 3 4 5 6 7 8 9...

Page 14: ...e Type Connection Caution The stepper motor terminals on this drive are energized when the module is enabled Do not connect wires to or disconnect wires from the NI 9503 when it is enabled Use a multi...

Page 15: ...must wire the stepper motors in a 4 wire configuration as shown in Figure 3 Caution Never connect unused stepper motor terminals to pin 9 Chassis Ground or to each other When using a 6 or 8 wire step...

Page 16: ...ion you can isolate the center taps for a series full coil configuration Series configurations produce the most torque per amp but have the disadvantage of poorer high speed performance Figure 5 6 Wir...

Page 17: ...er high speed performance With this configuration it is typically not possible to produce the rated torque of the motor without the risk of the motor overheating because only half of the windings are...

Page 18: ...ries configuration as shown in Figure 7 produces the most torque per amp but has the disadvantage of higher inductance and poorer high speed performance Figure 7 8 Wire Series Stepper Motor Connection...

Page 19: ...connect 8 wire stepper motors in a parallel configuration as shown in Figure 8 This configuration produces better high speed performance but requires more current to produce rated torque Figure 8 8 W...

Page 20: ...for better high speed performance With this configuration it is typically not possible to produce the rated torque of the motor without the risk of the motor overheating because only half of the wind...

Page 21: ...tion is subject to high vibration National Instruments recommends that you use ferrules to terminate wires to the detachable screw terminal connector Refer to Figure 10 for an illustration of using fe...

Page 22: ...he output power stage is active and is flashing when the drive is disabled and the output power stage is inactive Refer to the NI 9503 topic in the LabVIEW Help available by selecting Help LabVIEW Hel...

Page 23: ...ailable by selecting Help LabVIEW Help for information about the NI 9503 User LED I O node Fault Caution If the Fault LED is lit determine the cause of the fault and correct it before enabling the dri...

Page 24: ...g the drive When the NI 9503 is removed from the chassis while it is enabled the power to the motor is removed and the motor decelerates to a stop based on its own friction Sleep Mode This module supp...

Page 25: ...ion and thermal dissipation Cable Requirements for EMC Compliance Select and install cables for the NI 9503 in accordance with the following requirements Do not tie the motor case to the NI 9503 chass...

Page 26: ...le and Vsup cable as shown in Figure 11 Power to the module must be off when adding ferrites Note The wire connecting the motor cable shield to COM bypasses the ferrite as shown in Figure 11 Figure 11...

Page 27: ...se to the module as possible with a full turn as shown in Figure 12 Placing the ferrite elsewhere on the cable noticeably impairs its effectiveness Figure 12 Installing a Ferrite Determine the clamp o...

Page 28: ...erwise noted All voltages are relative to COM unless otherwise noted Input Output Characteristics Motor DC power supply Vsup 9 to 30 VDC Minimum phase inductance 1 mH Maximum phase inductance 20 mH Ty...

Page 29: ...8 16 32 64 128 256 software selectable Vsup capacitance 750 F MTBF Contact NI for Bellcore MTBF specifications Drive Protection Undervoltage 6 V Caution Vsup greater than 40 V will result in damage t...

Page 30: ...with a dry towel Note For two dimensional drawings and three dimensional models of the C Series module and connectors visit ni com dimensions and search by module number Screw terminal wiring Gauge 1...

Page 31: ...flanges provided Torque for screw flanges 0 2 N m 1 8 lb in Weight 144 g 5 1 oz Safety Safety Voltages Connect only voltages that are within the following limits Channel to COM 0 to 30 VDC max Measur...

Page 32: ...ecially protected secondary circuits Such voltage measurements include signal levels special equipment limited energy parts of equipment circuits powered by regulated low voltage sources and electroni...

Page 33: ...Class I Zone 2 Ex nA IIC T4 Europe DEMKO Ex nA IIC T4 Gc Power Supply Requirements Safety and Hazardous Locations Standards The NI 9503 is designed to meet the requirements of the following standards...

Page 34: ...bility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use EN 61326 1 IEC 61326 1 Class A emissions Industrial immuni...

Page 35: ...age Directive safety 2004 108 EC Electromagnetic Compatibility Directive EMC 94 9 EC Potentially Explosive Atmosphere ATEX Online Product Certification Refer to the product Declaration of Conformity D...

Page 36: ...dal IEC 60068 2 6 5 g 10 to 500 Hz Operating shock IEC 60068 2 27 30 g 11 ms half sine 50 g 3 ms half sine 18 shocks at 6 orientations Environmental National Instruments C Series modules are intended...

Page 37: ...gning and manufacturing products in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI custo...

Page 38: ...a WEEE recycling center For more information about WEEE recycling centers National Instruments WEEE initiatives and compliance with WEEE Directive 2002 96 EC on Waste and Electronic Equipment visit ni...

Page 39: ...vices Visit ni com register to register your National Instruments product Product registration facilitates technical support and ensures that you receive important information updates from NI A Declar...

Page 40: ...has offices located around the world For telephone support in the United States create your service request at ni com support or dial 1 866 ASK MYNI 275 6964 For telephone support outside the United S...

Page 41: ...You can find information about end user license agreements EULAs and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export...

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