National Instruments 9861 User Manual Download

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GETTING STARTED GUIDE

NI 9861

1-Port, Low-Speed/Fault Tolerant CAN Module

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This document explains how to connect to the NI 9861.

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Summary of Contents for 9861

Page 1: ...GETTING STARTED GUIDE NI 9861 1 Port Low Speed Fault Tolerant CAN Module Français Deutsch 日本語 한국어 简体中文 ni com manuals This document explains how to connect to the NI 9861 ...

Page 2: ...es in this document are specific to the NI 9861 The other components in the system might not meet the same safety ratings Refer to the documentation for each component in the system to determine the safety and EMC ratings for the entire system Safety Guidelines Operate the NI 9861 only as described in this document Hot Surface This icon denotes that the component may be hot Touching this component...

Page 3: ...C D T4 hazardous locations Class I Zone 2 AEx nA IIC T4 and Ex nA IIC T4 hazardous locations and nonhazardous locations only Follow these guidelines if you are installing the NI 9861 in a potentially explosive environment Not following these guidelines may result in serious injury or death Caution Do not disconnect I O side wires or connectors unless power has been switched off or the area is know...

Page 4: ...is a transient overvoltage condition Special Conditions for Hazardous Locations Use in Europe and Internationally The NI 9861 has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO Certificate No 07 ATEX 0626664X and is IECEx 14 0089X certified Each NI 9861 is marked 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 986...

Page 5: ... IP54 as defined in IEC EN 60079 15 Caution The enclosure must have a door or cover accessible only by the use of a tool 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 The port has two isolated common pins COM tha...

Page 6: ...CAN cable Connecting SHLD may improve signal integrity and EMC performance in a noisy environment Caution You must use a UL listed ITE power supply 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 VSUP pin Note Power on VSUP is required for CAN operation The NI 9861 pinout is listed in Table 1 6 ni com NI 9861 Ge...

Page 7: ... 5 1 No Connection NC 2 CAN_L 3 COM 4 NC 5 SHLD 6 COM 7 CAN_H 8 NC 9 VSUP 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 NI 9861 Getting Started Guide National Instruments 7 ...

Page 8: ... data line RRTH for CAN_H and RRTL for CAN_L Figure 1 shows a simplified diagram of a low speed fault tolerant CAN bus with termination resistor placements Figure 1 CAN Bus Topology and Termination Resistor Locations RTL CAN_L RTH CAN_H RTL CAN_L RTH CAN_H RTL CAN_L RTH CAN_H CAN_H CAN_L Low speed Fault Tolerant CAN Device Low speed Fault Tolerant CAN Device Low speed Fault Tolerant CAN Device 8 n...

Page 9: ...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 NI 9861 CAN Device CAN Cable With Optional Shield SHLD CAN_H CAN_L Vsup COM SHLD CAN_H CAN_L Vsup COM NI 9861 Getting Started Guide National Instruments 9 ...

Page 10: ... cable 3084A meets all these requirements and should be suitable for most applications 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 CAN_H and ground CAN_L and CAN_H 30 pF m nominal 10 ni com NI 9861 Getting Started Guide ...

Page 11: ... existing network or the termination of the individual device before connecting it to a Low Speed Fault Tolerant port 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 ports of the NI 9861 is set through the NI XNET software to either 1 kΩ or 5 kΩ Number of CAN Nodes The maximum number of n...

Page 12: ...mpatible and fully supports both 11 bit and 29 bit identifiers The port also has an NXP TJA 1054AT Low Speed Fault Tolerant CAN transceiver that is fully compatible with the ISO 11898 standard and supports baud rates up to 125 Kbps Figure 3 NI 9861 Hardware Overview Ext Pwr Supply Required Rx Tx CAN Controller CAN_H CAN_L CAN Transceiver Rx Tx COM Vsup _ 12 ni com NI 9861 Getting Started Guide ...

Page 13: ...ult Tolerant CAN Characteristics Transceiver NXT TJA 1054AT Max baud rate 125 Kbps CAN_H CAN_L bus lines voltage 27 to 40 VDC CAN Supply voltage range VSUP 9 to 30 VDC MTBF Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications NI 9861 Getting Started Guide National Instruments 13 ...

Page 14: ...e wipe it with a dry towel Weight Approx 144 g 5 0 oz Safety Connect only voltages that are within the following limits Maximum Voltage1 Port to COM 27 to 40 VDC max Measurement Category I 1 The maximum voltage that can be applied or output between any port or VSUP terminal and a COM terminal without creating a safety hazard 14 ni com NI 9861 Getting Started Guide ...

Page 15: ...INS is a hazardous live electrical supply system that powers equipment This category is for measurements of voltages from specially protected secondary circuits Such voltage measurements include signal levels special equipment limited energy parts of equipment circuits powered by regulated low voltage sources and electronics Caution Do not connect the NI 9861 to signals or use for measurements wit...

Page 16: ...y and Hazardous Locations Standards This product is designed to meet the requirements of the following electrical equipment safety standards for measurement control and laboratory use IEC 61010 1 EN 61010 1 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 ...

Page 17: ...ntrol and laboratory use EN 61326 IEC 61326 Class A emissions Industrial immunity EN 55011 CISPR 11 Group 1 Class A emissions AS NZS CISPR 11 Group 1 Class A emissions FCC 47 CFR Part 15B Class A emissions ICES 001 Class A emissions Note For the standards applied to assess the EMC of this product refer to the Online Product Certification section Note For EMC compliance operate this device with shi...

Page 18: ...94 9 EC Potentially Explosive Atmospheres ATEX Online Product Certification Refer to the product Declaration of Conformity DoC for additional regulatory compliance information 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 Gui...

Page 19: ...erating shock IEC 60068 2 27 30 g 11 ms half sine 50 g 3 ms half sine 18 shocks at 6 orientations Environmental Refer to the manual for the chassis you are using for more information about meeting these specifications Operating temperature IEC 60068 2 1 IEC 60068 2 2 40 C to 70 C Storage temperature IEC 60068 2 1 IEC 60068 2 2 40 C to 85 C NI 9861 Getting Started Guide National Instruments 19 ...

Page 20: ...in an environmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers 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 envir...

Page 21: ...om environment weee 电子信息产品污染控制管理办法中国 RoHS 中国客户 National Instruments 符合中国电子信息产品中限制使用某些有害物质指令 RoHS 关于 National Instruments 中国 RoHS 合规性信息请登录 ni com environment rohs_china For information about China RoHS compliance go to ni com environment rohs_china Worldwide Support and Services The National Instruments website is your complete resource for technical support At ni com support you have access to...

Page 22: ...il of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electromagnetic compatibility EMC and product safety You can obtain the DoC for your product by visiting ni com certification If your product supports calibration you can obtain the calibration certificate for your product at ni com calibration National Instruments corporat...

Page 23: ... visit the Worldwide Offices section of ni com niglobal to access the branch office websites which provide up to date contact information support phone numbers email addresses and current events NI 9861 Getting Started Guide National Instruments 23 ...

Page 24: ...nd third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes ECCNs and other import export data NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN AND SHALL NOT BE LIABLE FO...

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