National Instruments NI 9853 Operating Instructions Manual

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Manual is about: National Instruments High-Speed CAN Module Operating Instructions

Summary of NI 9853

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    Operating instructions ni 9853 2-port, high-speed can module.

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    Ni 9853 operating instructions 2 ni.Com these operating instructions describe how to use the national instruments (ni) 9853 module. For information about installing, configuring, and programming your system, refer to your system documentation. The ni 9853 module requires the ni 9853 software to be i...

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    © national instruments corp. 3 ni 9853 operating instructions safety guidelines for hazardous locations the ni 9853 is suitable for use in class i, division 2, groups a, b, c, d, t4 hazardous locations; class i, zone 2, aex na ii t4 and ex na ii t4 hazardous locations; and nonhazardous locations onl...

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    Ni 9853 operating instructions 4 ni.Com caution for zone 2 applications, install a protection device between the can signals and the ni 9853 can pins. The device must prevent the can port-to-com voltage from exceeding 55 v if there is a transient overvoltage condition. Special conditions for safe us...

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    © national instruments corp. 5 ni 9853 operating instructions one or both of the com pins. Each port also has an optional shield pin, shld, that can be connected to a shielded can cable. Connecting shld may improve signal integrity and emc performance in a noisy environment. Can0 of the ni 9853 is i...

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    Ni 9853 operating instructions 6 ni.Com table 1. Pin assignments for can0 connector pin signal 1 no connection (nc) 2 can_l 3 com 4 nc 5 shld 6 com 7 can_h 8 nc 9 nc 6 7 8 9 1 2 3 4 5.

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    © national instruments corp. 7 ni 9853 operating instructions table 2. Pin assignments for can1 connector pin signal 1 no connection (nc) 2 can_l 3 com 4 nc 5 shld 6 com 7 can_h 8 nc 9 v sup 6 7 8 9 1 2 3 4 5.

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    Ni 9853 operating instructions 8 ni.Com can bus topology and termination a can bus consists of two or more can nodes cabled together. The can_h and can_l pins of each node are connected to the main can bus cable through a short connection known as a “stub.” the pair of signal wires, can_h and can_l ...

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    © national instruments corp. 9 ni 9853 operating instructions figure 1. Can bus topology and termination resistor locations can node can node can node rt rt can node can_h can_l can_h can_l can_h can_l can_h can_l bus cable length stub length.

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    Ni 9853 operating instructions 10 ni.Com connecting a can bus to the ni 9853 each port of the ni 9853 can be connected to any location on a can bus. Figure 2 shows one example of the connection of can0 of the ni 9853 directly to one can node, and can1 directly to another can node. Can1 requires an e...

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    © national instruments corp. 11 ni 9853 operating instructions figure 2. Connecting both ports of the ni 9853 to can buses can1 can de vice can0 ni 9853 r t can cable (with optional shield) (shld) can_h can_l v sup com r t (shld) can_h can_l v sup com can de vice r t can cable (with optional shield)...

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    Ni 9853 operating instructions 12 ni.Com cabling requirements for ni 9853 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 i...

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    © national instruments corp. 13 ni 9853 operating instructions termination resistors the termination resistors (r t ) should match the nominal impedance of the can cable, and therefore comply with the values in table 4. Cable lengths the allowable cable length is affected by the characteristics of t...

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    Ni 9853 operating instructions 14 ni.Com number of can nodes the maximum number of nodes depends on the electrical characteristics of the nodes on the network. If all of the nodes meet the requirements of iso 11898, at least 30 nodes may be connected to the bus. Higher numbers of nodes may be connec...

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    © national instruments corp. 15 ni 9853 operating instructions figure 3. Ni 9853 hardware overview rx tx can transceiver +5 v_iso +5 v gnd com can_h can_l +5 v reg rx tx ext pwr supply can controller rx tx can controller can_h can_l can transceiver rx tx com v sup can0 can1 + _ iso pwr.

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    Ni 9853 operating instructions 16 ni.Com sleep mode (compactrio only) you can enable sleep mode for the compactrio system in software. In sleep mode, the system consumes less power and may dissipate less heat. Typically, when a system is in sleep mode, you cannot communicate with the modules. Refer ...

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    © national instruments corp. 17 ni 9853 operating instructions specifications the following specifications are typical for the range –40 to 70 °c unless otherwise noted. High-speed can characteristics transceiver........................................ Philips tja1041 max baud rate ....................

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    Ni 9853 operating instructions 18 ni.Com power requirements power consumption from chassis active mode transmitting ......................... 625 mw max receiving ............................. 400 mw max sleep mode ................................. 25 μ w max thermal dissipation (at 70 °c) active mo...

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    © national instruments corp. 19 ni 9853 operating instructions safety maximum voltage 1 connect only voltages that are within these limits. Port-to-com..................................... –27 to +40 vdc max, measurement category i measurement category i is for measurements performed on circuits not...

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    Ni 9853 operating instructions 20 ni.Com isolation voltages port-to-port withstand.................................... 500 v rms , verified by a dielectric withstand test, 5 s continuous ................................. 60 vdc, measurement category i port-to-earth ground withstand.....................

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    © national instruments corp. 21 ni 9853 operating instructions note for ul and other safety certifications, refer to the product label, or visit ni.Com/certification , search by model number or product line, and click the appropriate link in the certification column. Hazardous locations u.S. (ul) .....

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    Ni 9853 operating instructions 22 ni.Com environmental compactrio modules are intended for indoor use only. For outdoor use, mount the compactrio system in a suitably rated enclosure. Refer to the installation instructions for the chassis you are using for more information about meeting these specif...

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    © national instruments corp. 23 ni 9853 operating instructions operating shock (iec 60068-2-27).............................. 30 g, 11 ms half sine, 50 g, 3 ms half sine, 18 shocks at 6 orientations operating vibration, sinusoidal (iec 60068-2-6) .............. 5 g, 10 to 500 hz electromagnetic comp...

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    Ni 9853 operating instructions 24 ni.Com 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) note refer to the d...

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    © national instruments corp. 25 ni 9853 operating instructions for additional environmental information, refer to the ni and the environment web page at ni.Com/environment . This page contains the environmental regulations and directives with which ni complies, as well as other environmental informa...

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    Ni 9853 operating instructions 26 ni.Com national instruments contact information 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 ...

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    © national instruments corp. 27 ni 9853 operating instructions 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.

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    © 2006–2008 national instruments corp. All rights reserved. 371453d-01 jun08 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 a...