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Related Manuals for National Instruments NI 9861
Summary of Contents for National Instruments NI 9861
- Page 1 OPERATING INSTRUCTIONS NI 9861 1-Port, Low-Speed/Fault Tolerant CAN Module...
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Page 2: Safety Guidelines
Safety Guidelines Do not operate the NI 9861 in a manner not Caution specified in the user manual or operating instructions. Product misuse can result in a hazard. You can compromise the safety protection built into the product if the product is damaged in any way. -
Page 3: Safety Guidelines For Hazardous Locations
Touching this component may result in bodily injury. Safety Guidelines for Hazardous Locations The NI 9861 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;... - Page 4 Wiring the NI 9861 The NI 9861 has one 9-pin male D-Sub connector that provides connections to a CAN bus. The NI 9861 has pins for CAN_H and CAN_L, to which you connect the CAN bus signals. Connect these signals using twisted-pair cable.
- Page 5 You must use a UL listed ITE power supply Caution marked LPS with the NI 9861. The NI 9861 requires an external power supply of +9 to +30 V to operate. Supply power to the NI 9861 V pin from the CAN bus.
- Page 6 The NI 9861 pinout is listed in Table 1. Table 1. Pin Assignments for the NI 9861 Connector Signal No Connection (NC) CAN_L SHLD CAN_H NI 9861 Operating Instructions ni.com...
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Page 7: Can Bus Topology And Termination
Low-Speed/Fault-Tolerant Low-Speed/Fault-Tolerant Low-Speed/Fault-Tolerant CAN Device CAN Device CAN Device RTL CAN_L RTH CAN_H RTL CAN_L RTH CAN_H RTL CAN_L RTH CAN_H CAN_H CAN_L Figure 1. CAN Bus Topology and Termination Resistor Locations © National Instruments Corp. NI 9861 Operating Instructions... - Page 8 Connecting a CAN Bus to the NI 9861 You can connect the NI 9861 to any location on a CAN bus. Figure 2 shows one example of connecting the NI 9861 directly to one CAN node. (SHLD) (SHLD) CAN_H CAN_H...
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Page 9: Termination Resistors
NXP Fault-Tolerant CAN transceiver to detect and recover from bus faults. It is important to determine the existing network’s overall termination, or the individual device’s termination, before connecting it to a Low-Speed/Fault Tolerant © National Instruments Corp. NI 9861 Operating Instructions... -
Page 10: Cable Lengths
NXP recommends an overall RTH and RTL termination of 100 to 500 Ω (each) for a properly terminated low-speed network. Termination on the low-speed/fault-tolerant port of the NI 9861 is set through the NI-XNET software to either 1 kΩ or 5 kΩ. - Page 11 NI 9861 Hardware Overview The NI 9861 has one full-featured CAN port that is isolated from the other modules in the system. The port has a Bosch DCAN CAN controller that is CAN 2.0B-compatible and fully supports both 11-bit and 29-bit identifiers. The port also has an NXP TJA1054AT...
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Page 12: Specifications
CAN ........... +9 to +30 VDC MTBF ..........Contact NI for Bellcore MTBF or MIL-HDBK-217F specifications. Power Requirements Power consumption from chassis ..1 W max (active mode) Thermal dissipation (at 70 °C)..1.25 W max (active mode) NI 9861 Operating Instructions ni.com... -
Page 13: Physical Characteristics
Physical Characteristics If you need to clean your NI 9861, wipe it with Caution a dry towel. The product must be completely dry and free from contaminants before you return it to service. Weight..........Approx. 144 g (5.0 oz) Safety Maximum Voltage Connect only voltages that are within these limits. -
Page 14: Isolation Voltages
Measurement Category I Safety Standards This product meets the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 • UL 61010-1, CSA 61010-1 NI 9861 Operating Instructions ni.com... - Page 15 Refer to the installation instructions for the chassis you are using for more information about meeting these specifications. Operating temperature ...... –40 to 70 °C Storage temperature ......–40 to 85 °C Ingress protection......IP 40 © National Instruments Corp. NI 9861 Operating Instructions...
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Page 16: Shock And Vibration
, 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 Operating vibration, sinusoidal (IEC 60068-2-6) ....5 g, 10 to 500 Hz NI 9861 Operating Instructions ni.com... -
Page 17: Electromagnetic Compatibility
ICES-001: Class A emissions For the standards applied to assess the EMC of this Note product, refer to the Online Product Certification section. For EMC compliance, operate this product Note according to the documentation. © National Instruments Corp. NI 9861 Operating Instructions... -
Page 18: Online Product Certification
Certification column. Environmental Management NI is committed to designing 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 customers. NI 9861 Operating Instructions ni.com... - Page 19 At the end of the product life cycle, all EU Customers products must be sent to 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.com/environment/weee...
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Page 20: Where To Go For Support
Web sites, which provide up-to-date contact information, support phone numbers, email addresses, and current events. LabVIEW, National Instruments, NI, ni.com, the National Instruments corporate logo, and the Eagle logo are trademarks of National Instruments Corporation. Refer to the Trademark Information at ni.com/trademarks for other National Instruments trademarks.