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OPERATING INSTRUCTIONS

NI 9861

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

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Содержание NI 9861

Страница 1: ...OPERATING INSTRUCTIONS NI 9861 1 Port Low Speed Fault Tolerant CAN Module...

Страница 2: ...cations in this document are specific to the NI 9861 The other components in your system may not meet the same safety ratings and specifications Refer to the documentation for each component in your s...

Страница 3: ...hese 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 o...

Страница 4: ...X Each module is marked II 3G and is suitable for use in Zone 2 hazardous locations 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...

Страница 5: ...D 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...

Страница 6: ...ng Instructions 6 ni com The NI 9861 pinout is listed in Table 1 Table 1 Pin Assignments for the NI 9861 Connector Pin Signal 1 No Connection NC 2 CAN_L 3 COM 4 NC 5 SHLD 6 COM 7 CAN_H 8 NC 9 VSUP 6 7...

Страница 7: ...mission line Every device on a low speed fault tolerant CAN network requires a termination resistor for each CAN data line RRTH for CAN_H and RRTL for CAN_L Figure 1 shows a simplified diagram of a CA...

Страница 8: ...cting the NI 9861 directly to one CAN node Figure 2 Connecting the NI 9861 to a CAN Device Cabling Requirements for the NI 9861 This section deals with cabling specifications termination resistors cab...

Страница 9: ...eiver instead of on the cable itself Termination requires two resistors RTH for CAN_H and RTL for CAN_L This configuration allows the NXP Fault Tolerant CAN transceiver to detect and recover from bus...

Страница 10: ...aximum bus length depending on the data rate used and the busload To provide a maximum communication speed of 125 kbits s the overall network length should not exceed 40 m However you can increase the...

Страница 11: ...sch 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 Low Speed Fault Tolerant CAN transceiver that is fully comp...

Страница 12: ...ult Tolerant CAN Characteristics Transceiver NXP TJA1054AT Max baud rate 125 kbits s CAN_H CAN_L bus lines voltage 27 to 40 VDC Supply voltage range VSUP CAN 9 to 30 VDC MTBF Contact NI for Bellcore M...

Страница 13: ...COM 27 to 40 VDC max Measurement Category I Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS voltage...

Страница 14: ...urements within Measurement Categories II III or IV Isolation Voltages Port to earth ground Withstand 1000 Vrms verified by a 5 s dielectric withstand test Continuous 60 VDC Measurement Category I Saf...

Страница 15: ...UL Class I Division 2 Groups A B C D T4 Class I Zone 2 AEx nA IIC T4 Canada C UL Class I Division 2 Groups A B C D T4 Class I Zone 2 Ex nA IIC T4 Europe DEMKO Ex nA IIC T4 Environmental Refer to the i...

Страница 16: ...Maximum altitude 2 000 m Indoor use only Shock and Vibration To meet these specifications you must panel mount the CompactRIO system Operating vibration random IEC 60068 2 64 5 grms 10 to 500 Hz Opera...

Страница 17: ...laboratory use EN 61326 IEC 61326 Class A emissions Basic 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...

Страница 18: ...f 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 cl...

Страница 19: ...cument Waste Electrical and Electronic Equipment WEEE EU Customers At the end of the product life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling c...

Страница 20: ...pliance policy and how to obtain relevant HTS codes ECCNs and other import export data Where to Go for Support The National Instruments Web site is your complete resource for technical support At ni c...

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