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GETTING STARTED GUIDE

NI 9852

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

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Summary of Contents for NI 9852

Page 1: ...GETTING STARTED GUIDE NI 9852 2 Port Low Speed Fault Tolerant CAN Module...

Page 2: ...lines in this document are specific to the NI 9852 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 th...

Page 3: ...only Follow these guidelines if you are installing the NI 9852 in a potentially explosive environment Not following these guidelines may result in serious injury or death Caution Do not disconnect I O...

Page 4: ...ice between the CAN signals and the NI 9852 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 Hazard...

Page 5: ...stem shall be mounted in an ATEX IECEx certified enclosure with a minimum ingress protection rating of at least IP54 as defined in IEC EN 60079 15 Caution The enclosure must have a door or cover acces...

Page 6: ...s The port also has an optional shield pin SHLD that you can connect to a shielded CAN cable Connecting SHLD may improve signal integrity and EMC performance in a noisy environment Both of the ports o...

Page 7: ...Table 1 Pin Assignments for CAN0 Connector Pin Signal 6 7 8 9 1 2 3 4 5 1 No Connection NC 2 CAN_L 3 COM0 4 NC 5 SHLD 6 COM0 7 CAN_H 8 NC 9 VSUP0 NI 9852 Getting Started Guide National Instruments 7...

Page 8: ...4 5 1 No Connection NC 2 CAN_L 3 COM0 4 NC 5 SHLD 6 COM0 7 CAN_H 8 NC 9 VSUP0 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 e...

Page 9: ...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 CA...

Page 10: ...onnecting Both Ports of the NI 9852 to CAN Buses CAN1 CAN Device CAN0 NI 9852 CAN Cable With Optional Shield SHLD CAN_H CAN_L Vsup1 COM1 SHLD CAN_H CAN_L Vsup1 COM1 CAN Device CAN Cable With Optional...

Page 11: ...084A meets all these requirements and should be suitable for most applications Table 3 ISO 11898 Specifications for Characteristics of a CAN_H and CAN_L Pair of Wires Characteristic Value Length relat...

Page 12: ...n of the existing network or the termination of the individual device before connecting it to a Low Speed Fault Tolerant port Philips recommends an overall RTH and RTL termination of 100 to 500 each f...

Page 13: ...h port on the NI 9852 has a Philips SJA1000 controller that is CAN 2 0B compatible and fully supports both 11 bit and 29 bit identifiers The port also has a Philips TJA1054A Low Speed Fault Tolerant C...

Page 14: ...y 1 VSUP1 COM1 CAN_H CAN_L CAN0 CAN1 CAN Transceiver 5 V Reg CAN Transceiver 5 V Reg Rx Rx Rx Rx Tx Tx Tx Tx CAN Controller CAN Controller NI 9852 Specifications The following specifications are typic...

Page 15: ...N_L bus lines voltage 27 to 40 VDC Supply voltage range VSUP0 VSUP1 CAN0 8 to 36 VDC CAN1 8 to 36 VDC RRTH 1 11 k 0 5 or 4 99 k 0 5 RRTL 1 11 k 0 5 or 4 99 k 0 5 MTBF 1 052 836 hours at 25 C Bellcore...

Page 16: ...ents Power consumption from chassis Active Mode Transmitting 400 mW max Receiving 400 mW max Sleep mode 25 W max Thermal dissipation at 70 C Active mode 1 5 W max Sleep mode 1 2 W max Physical Charact...

Page 17: ...lation Port to port Continuous 60 VDC Measurement Category I up to 5 000 m altitude Withstand 500 Vrms verified by a 5 s dielectric withstand test 1 The maximum voltage that can be applied or output b...

Page 18: ...NS voltage MAINS 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...

Page 19: ...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...

Page 20: ...tic Compatibility This product meets the requirements of the following EMC standards for sensitive electrical equipment for measurement control and laboratory use EN 61326 IEC 61326 Class A emissions...

Page 21: ...w Voltage Directive safety 2014 30 EU Electromagnetic Compatibility Directive EMC 94 9 EC Potentially Explosive Atmospheres ATEX Online Product Certification Refer to the product Declaration of Confor...

Page 22: ...Hz Operating 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 meeti...

Page 23: ...vironmentally responsible manner NI recognizes that eliminating certain hazardous substances from our products is beneficial to the environment and to NI customers For additional environmental informa...

Page 24: ...e NI products in your region visit ni com environment weee RoHS National Instruments RoHS National Instruments RoHS ni com environment rohs_china For information about China RoHS compliance go to ni c...

Page 25: ...er 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...

Page 26: ...You can find information about end user license agreements EULAs and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export...

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