National Instruments NI 9852 Operating Instructions Manual
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National Instruments NI 9852 Operating Instructions Manual

National instruments low-speed/fault-tolerant can module perating instructions
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OPERATING INSTRUCTIONS
NI 9852
2-Port, Low-Speed/Fault-Tolerant CAN Module

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Summary of Contents for National Instruments NI 9852

  • Page 1 OPERATING INSTRUCTIONS NI 9852 2-Port, Low-Speed/Fault-Tolerant CAN Module...

  • Page 2: Safety Guidelines

    Instruments (NI) 9852 module. For information about installing, configuring, and programming your system, refer to your system documentation. The NI 9852 module requires the NI 985x software (version 1.2 or higher) to be installed. The latest version of the NI 985x software is located at...

  • Page 3: Safety Guidelines For Hazardous Locations

    Safety Guidelines for Hazardous Locations The NI 9852 is suitable for use in Class I, Division 2, Groups A, B, C, D, and T4 hazardous locations; Class 1, Zone 2, AEx nA II T4 and Ex nA II T4 hazardous locations; and nonhazardous locations only.
  • Page 4 Wiring the NI 9852 The NI 9852 has two 9-pin male D-Sub connectors that provide connections to a CAN bus. Each port on the NI 9852 has pins for CAN_H and CAN_L, to which you connect the CAN bus signals.
  • Page 5 +8 V to +36 V to operate. Supply power from the CAN bus to the V pin on CAN0, and the V pin on CAN1. SUP0 SUP1 Pinouts for CAN0 and CAN1 of the NI 9852 are listed in Table 1 and Table 2. © National Instruments Corp. NI 9852 Operating Instructions...
  • Page 6 Table 1. Pin Assignments for CAN0 Connector NI 9852 Operating Instructions No Connection (NC) Signal CAN_L COM0 SHLD COM0 CAN_H SUP0 ni.com...
  • Page 7 Table 2. Pin Assignments for CAN1 Connector © National Instruments Corp. No Connection (NC) NI 9852 Operating Instructions Signal CAN_L COM1 SHLD COM1 CAN_H SUP1...
  • Page 8 Every device on a low-speed/fault-tolerant CAN network requires a termination resistor for each CAN data line: for CAN_H and R for CAN_L. Figure 1 shows a simplified diagram of a low-speed/fault-tolerant CAN bus with termination resistor placements. NI 9852 Operating Instructions ni.com...
  • Page 9 Figure 1. CAN Bus Topology and Termination Resistor Locations Connecting a CAN Bus to the NI 9852 Each port of the NI 9852 can be connected to any location on a CAN bus. Figure 2 shows one example of the connection of CAN0 of the NI 9852 directly to one CAN node, and CAN1 directly to another CAN node.
  • Page 10 (SHLD) CAN_H CAN_L sup0 COM0 (SHLD) CAN_H CAN_L sup1 COM1 Figure 2. Connecting Both Ports of the NI 9852 to CAN Buses NI 9852 Operating Instructions (SHLD) CAN_H Cable CAN_L (With Optional sup0 Shield) COM0 – External Power Supply (SHLD)

  • Page 11: Cable Specifications

    Cabling Requirements for NI 9852 This section deals with cabling specifications, termination resistors, cable lengths, and the number of CAN nodes that can exist in a system. Cable Specifications Cables should meet the physical medium requirements specified in ISO 11898, shown in Table 3. Belden cable (3084A) meets all of those requirements, and should be suitable for most applications.
  • Page 12 RTH and RTL termination of 100 to 500 Ω (each) for a properly terminated low-speed network. Termination on the low-speed/fault-tolerant ports of the NI 9852 is set through the NI 985x software to either 1 kΩ or 5 kΩ. NI 9852 Operating Instructions...
  • Page 13 The NI 9852 has two full-featured, independent CAN ports that are isolated from each other, and from the other modules in the system. Each port of the NI 9852 has a Philips SJA1000 CAN controller that is CAN 2.0B-compatible and fully supports both 11-bit and 29-bit identifiers.
  • Page 14 SUP0 Ext Pwr Supply 0 COM0 CAN_H CAN_L SUP1 Ext Pwr Supply 1 COM1 CAN_H CAN_L Figure 3. NI 9852 Hardware Overview NI 9852 Operating Instructions +5 V Transceiver CAN0 +5 V Transceiver CAN1 Controller Controller ni.com...
  • Page 15 This system sleep mode should not be confused with the NI 9852 Transceiver Mode Sleep property, which sets only the CAN port to sleep mode. Refer to the FPGA Module topic in LabVIEW Help for more information on the Transceiver Mode property.

  • Page 16: Specifications

    CAN0 ... +8 to +36 VDC CAN1 ... +8 to +36 VDC ... 1.11 kΩ ... 1.11 kΩ MTBF ... 1,052,836 hours at 25 °C; NI 9852 Operating Instructions SUP0 SUP1 4.99 kΩ 4.99 kΩ Bellcore Issue 6, Method 1,...

  • Page 17: Power Requirements

    Active mode ... 1.5 W max Sleep mode ... 1.2 W max Physical Characteristics If you need to clean the module, wipe it with a dry towel. Weight... Approx. 144 g (5.0 oz) © National Instruments Corp. μ W max NI 9852 Operating Instructions...
  • Page 18 Measurement Categories II, III, or IV. The maximum voltage that can be applied or output between any port or V terminal and a COM terminal without creating a safety hazard. NI 9852 Operating Instructions Measurement Category I ni.com...

  • Page 19: Isolation Voltages

    Port-to-earth ground Withstand... 500 V Continuous ... 60 VDC, Safety Standards The NI 9852 is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 •...
  • Page 20 Operating temperature ... –40 to 70 °C Storage temperature ... –40 to 85 °C Ingress protection... IP 40 Operating humidity... 10 to 90% RH, NI 9852 Operating Instructions Groups A, B, C, D, T4; Class I, Zone 2, AEx nA II T4 Groups A, B, C, D, T4;...

  • Page 21: Shock And Vibration

    (IEC 60068-2-27)... 30 g, 11 ms half sine, Operating vibration, sinusoidal (IEC 60068-2-6) ... 5 g, 10 to 500 Hz © National Instruments Corp. noncondensing , 10 to 500 Hz 50 g, 3 ms half sine, 18 shocks at 6 orientations NI 9852 Operating Instructions...

  • Page 22: Electromagnetic Compatibility

    Note according to product documentation. CE Compliance This product meets the essential requirements of applicable European Directives, as amended for CE marking, as follows: • 2006/95/EC; Low-Voltage Directive (safety) • 2004/108/EC; Electromagnetic Compatibility Directive (EMC) NI 9852 Operating Instructions ni.com...

  • Page 23: Environmental Management

    Certification column. Environmental Management National Instruments is committed to designing and manufacturing products in an environmentally responsible manner. NI recognizes that eliminating certain hazardous substances from our products is beneficial not only to the environment but also to NI customers.

  • Page 24: Waste Electrical And Electronic Equipment (Weee)

    WEEE recycling centers and National Instruments WEEE initiatives, visit environment/weee.htm National Instruments National Instruments (For information about China RoHS compliance, go to NI 9852 Operating Instructions At the end of their life cycle, all products RoHS ni.com/ RoHS (RoHS) ni.com/environment/rohs_china...
  • Page 25 National Instruments corporate headquarters is located at 11500 North Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also has offices located around the world to help address your support needs. For telephone support in the United States, create your service request at ni.com/support and follow the calling instructions or dial 512 795 8248.
  • Page 26 South Africa 27 0 11 805 8197, Spain 34 91 640 0085, Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151, Taiwan 886 02 2377 2222, Thailand 662 278 6777, Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545 NI 9852 Operating Instructions ni.com...
  • Page 27 National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies.

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