manualshive.com logo in svg

Farnell TRC-8543, Manual

Share
Download
Farnell TRC-8543 Manual Download Page 13

lengths may be allowed at lower bit rates, but you should analyze each node for

signal integrity problems.

High-Speed/Flexible Data-Rate CAN

The maximum number of nodes depends on the electrical characteristics of the

nodes on the network. If all nodes meet the ISO 11898 requirements, you can

connect at least 30 nodes to the bus. You can connect higher numbers of nodes if

the nodes’ electrical characteristics do not degrade signal quality below ISO 11898

signal level specifications.
The TRC-8543 electrical characteristics allow at least 110 CAN ports on a network.

Low-Speed/Fault-Tolerant CAN

The maximum number of nodes depends on the electrical characteristics of the

nodes on the network. If all of the nodes meet the requirements of Low-Speed/

Fault-Tolerant CAN, up to 32 nodes may be connected to the bus.

TRC-8543 Hardware Overview

The TRC-8543 has one full-featured CAN port that is isolated from the host it is

plugged into. Software can select between either an NXP TJA1043T High-Speed CAN

transceiver or NXP TJA1055T Low-Speed/Fault-Tolerant CAN transceiver by

controlling on-board relays. The TJA1043T is fully compatible with the ISO 11898

standard and supports baud rates up to 2 Mbps. The NI-XNET driver enables baud

rates up to 8 Mbps. The TJA1055T is fully compatible with the ISO 11898 standard

and supports baud rates up to 125 Kbps.

Figure 9. 

TRC-8543 Hardware Overview

© National Instruments

13

TRC-8543

Summary of Contents for TRC-8543

Page 1: ...TRC 8543 2022 06 30 ...

Page 2: ... CAN Bus to the TRC 8543 10 Cable Specifications 10 High Speed Flexible Data Rate CAN 10 Low Speed Fault Tolerant CAN 11 Termination Resistors 11 High Speed Flexible Data Rate CAN 11 Low Speed Fault Tolerant CAN 11 Cable Lengths 12 Number of CAN Nodes 13 High Speed Flexible Data Rate CAN 13 Low Speed Fault Tolerant CAN 13 TRC 8543 Hardware Overview 13 Inserting and Removing the TRC 8543 13 TRC 854...

Page 3: ... Using the product in a manner not specified can damage the product and compromise the built in safety protection Attention Suivez toutes les instructions et respectez toutes les mises en garde de la documentation d utilisation L utilisation du produit de toute autre façon que celle spécifiée risque de l endommager et de compromettre la protection de sécurité intégrée Safety Guidelines for Hazardo...

Page 4: ... protection device between the CAN bus and the TRC 8543CAN 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 Hazardous Locations Use in Europe and Internationally The TRC 8543 has been evaluated as equipment under DEMKO ATEX and is IECEx certified Each TRC 8543 is marked and is suitable for use in Zone ...

Page 5: ...o a peripheral device or test object or if the product is used in residential or commercial areas To minimize interference with radio and television reception and prevent unacceptable performance degradation install and use this product in strict accordance with the instructions in the product documentation Furthermore any changes or modifications to the product not expressly approved by National ...

Page 6: ...sis mount all cables at least 152 mm 6 0 in from the chassis and do not mount more than six cables directly beneath the chassis You can route and strain relieve the TRC 8543 similarly to ordinary cables You also can panel mount it using its removable jackscrews zip tie or screw mount it The screw mounting holes support 6 and M3 screws spaced 35 56 mm 1 400 in center to center with minimum length o...

Page 7: ...utout position Figure 3 Recommended Pocket Dimensions Wiring to the TRC 8543 The TRC 8543 is used with an NI XNET interface host port Figure 4 TRC 8543 Connections The TRC 8543 has one 9 pin male D Sub connector that provides connections to a CAN bus The TRC 8543 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 co...

Page 8: ...lt Tolerant CAN operation but is not required for High Speed CAN operation The TRC 8543 features software selectable bus termination for both CAN High Speed Flexible Data Rate and Low Speed Fault Tolerant transceivers For High Speed Flexible Data Rate mode you can enable 115 Ω of termination resistance between CAN_H and CAN_L through an API call For Low Speed Fault Tolerant mode you can select eit...

Page 9: ...f the cable must be terminated However this requirement does not mean that every node on the bus should have a termination resistor only the two nodes at the far end of the cable should have termination resistors The following figure shows a simplified diagram of a CAN bus with multiple CAN nodes and proper termination resistor Rt locations Figure 5 CAN HS FD Bus Topology and Termination Resistor ...

Page 10: ... Device Low Speed Fault Tolerant CAN You can connect the TRC 8543 to any location on a Low Speed Fault Tolerant CAN bus The following figure shows one example of connecting the TRC 8543 directly to one CAN node Figure 8 Connecting the TRC 8543 to a CAN Device Cable Specifications Cables should meet the physical medium requirements specified in ISO 11898 shown in the following tables Belden cable 3...

Page 11: ...N The termination resistors Rt should match the nominal impedance of the CAN cable and therefore comply with the values in the following table The onboard software selectable termination has a nominal value of 115 Ω If you are not using the onboard termination use the values listed in the following table Table 5 Termination Resistor Specification Characteristic Value Condition Termination resistor...

Page 12: ...ection of the card where RRTH overall should be 100 Ω to 500 Ω NI XNET Low Speed Fault Tolerant CAN hardware features software selectable bus termination resistors allowing you to adjust the overall network termination through an API call In general if the existing network has an overall network termination of 125 Ω or less you should select the 5 kΩ option for your NI XNET device For existing ove...

Page 13: ...umber of nodes depends on the electrical characteristics of the nodes on the network If all of the nodes meet the requirements of Low Speed Fault Tolerant CAN up to 32 nodes may be connected to the bus TRC 8543 Hardware Overview The TRC 8543 has one full featured CAN port that is isolated from the host it is plugged into Software can select between either an NXP TJA1043T High Speed CAN transceiver...

Page 14: ...re and bus status LED 1 primarily indicates whether the hardware is currently in use LED 2 primarily indicates the activity information of the connected bus Each LED can display two colors red or green which display in the following four patterns Table 5 LED Pattern Definitions Pattern Meaning Off No LED illumination Solid LED fully illuminated Blink Blinks at a constant rate of several times per ...

Page 15: ... C to 70 C unless otherwise noted High Speed Flexible Data Rate CAN Characteristics Transceiver NXP TJA1043T Max certified baud rate 5 Mbps 1 Input voltage limits CAN_H CAN_L bus lines 27 VDC to 40 VDC Output voltage limit CAN_H CAN_L bus lines 5 VDC MTBF Contact NI for Bellcore MTBF specifications at other temperatures or MIL HDBK 217F specifications Low Speed Fault Tolerant CAN Characteristics T...

Page 16: ...nt active mode 245 mW typical Low Speed Fault Tolerant active mode Power consumption from VSUP 320 mW maximum Low Speed Fault Tolerant fault condition 90 mW typical Low Speed Fault Tolerant active mode Note Power on VSUP is required for Low Speed Fault Tolerant CAN operation Physical Characteristics Weight 70 g 2 5 oz Length 447 mm to 462 mm 17 6 in to 18 2 in D Sub connector jackscrew maximum tor...

Page 17: ...ory II III or IV which may have transient overvoltages above what the product can withstand The product must not be connected to circuits that have a maximum voltage above the continuous working voltage relative to earth or to other channels or this could damage and defeat the insulation The product can only withstand transients up to the transient overvoltage rating without breakdown or damage to...

Page 18: ... to the electrical distribution system referred to as MAINS 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 include signal levels special equipment limited energy parts of equipment circuits powered by regulated low voltage sources and electronics Not...

Page 19: ...u are using for more information about meeting these specifications Temperature 3 Operating 40 C to 70 C Storage temperature 40 C to 85 C Humidity Operating 10 RH to 90 RH noncondensing Storage 5 RH to 95 RH noncondensing Ingress protection IP40 Pollution Degree 2 Maximum altitude 5 000 m Shock and Vibration To meet these specifications you must securely mount the product and ensure all cables and...

Page 20: ...g 10 Hz 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 Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use EN 61326 1 IEC 61326 1 Class A emissions Industrial immunity EN 55011 CISPR 11 Group 1 Class A emissions EN 55022 CIS...

Page 21: ...tives as follows 2014 35 EU Low Voltage Directive safety 2014 30 EU Electromagnetic Compatibility Directive EMC 2014 34 EU Potentially Explosive Atmospheres ATEX Product Certifications and Declarations Refer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for NI products visit ni com product certifications s...

Page 22: ...na RoHS compliance go to ni com environment rohs_china 1 The NXP TJA1043 transceiver is CiA certified for baud rates up to 5 Mb s in the CAN FD fast phase while speeds up to 8 Mb s are possible experimentally NI XNET provides a warning when a transceiver is used at higher baud rates than it is certified for As new CiA certified transceivers with higher baud rates are released NI will continue to u...

Reviews:

No comments

Brands by name

Popular brands

Load more brands