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GETTING STARTED GUIDE NI 9861 1-Port, Low-Speed/Fault Tolerant CAN Module 한국어 日本語 Français Deutsch 简体中文 ni.com/manuals This document explains how to connect to the NI 9861.
The NI 9861 module requires the latest NI-XNET software to be installed. The latest version of the NI-XNET software is at ni.com/downloads. Before you begin, complete the software and Note hardware installation procedures in your chassis documentation. The guidelines in this document are specific to Note the NI 9861.
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; and nonhazardous locations only.
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II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI 9861 in Gas Group IIC hazardous locations, you must use the device in an NI chassis that has been evaluated as Ex nC IIC T4, Ex IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.
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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.
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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 from the CAN bus to the V pin.
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Figure 1. CAN Bus Topology and Termination Resistor Locations 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 8 | ni.com | NI 9861 Getting Started Guide...
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Connecting a CAN Bus to the NI 9861 You can connect each port of 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. Figure 2. Connecting Both Ports of the NI 9861 to CAN Buses...
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Table 2. ISO 11898 Specifications for Characteristics of a CAN_H and CAN_L Pair of Wires Characteristic Value Length-related resistance 90 mΩ/m nominal Length-related capacitance: CAN_L and ground, 30 pF/m nominal CAN_H and ground, CAN_L and CAN_H 10 | ni.com | NI 9861 Getting Started Guide...
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NI 9861 Hardware Overview The NI 9861 has one full-featured, independent 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...
-27 to +40 VDC max, Measurement Category I The maximum voltage that can be applied or output between any port or V terminal and a COM terminal without creating a safety hazard. 14 | ni.com | NI 9861 Getting Started Guide...
UL 61010-1, CSA 61010-1 • EN 60079-0:2012, EN 60079-15:2010 • IEC 60079-0: Ed 6, IEC 60079-15; Ed 4 • UL 60079-0; Ed 5, UL 60079-15; Ed 3 • CSA 60079-0:2011, CSA 60079-15:2012 16 | ni.com | NI 9861 Getting Started Guide...
To obtain product certifications and the DoC for this product, visit ni.com/ certification, search by model number or product line, and click the appropriate link in the Certification column. 18 | ni.com | NI 9861 Getting Started Guide...
For additional environmental information, refer to the Minimize Our Environmental Impact web page at ni.com/environment. This page contains the environmental regulations and directives with which NI complies, as well as other environmental information not included in this document. 20 | ni.com | NI 9861 Getting Started Guide...
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11500 North Mopac Expressway, Austin, Texas, 78759-3504. National Instruments also 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). 22 | ni.com | NI 9861 Getting Started Guide...
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Refer to the NI Trademarks and Logo Guidelines at for information on ni.com/trademarks National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate location: Help»Patents in your software, file on your media, or the National Instruments Patent Notice at patents.txt...
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