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Summary of Contents for Peak PCAN-Repeater DR
- Page 1 PCAN-Repeater DR CAN Repeater for Decoupling Bus Segments User Manual Document version 2.3.0 (2023-02-22)
- Page 2 © 2023 PEAK-System Technik GmbH Duplication (copying, printing, or other forms) and the electronic distribution of this document is only allowed with explicit permission of PEAK-System Technik GmbH. PEAK-System Technik GmbH reserves the right to change technical data without prior announcement. The general business conditions and the regulations of the license agreement apply.
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Page 3: Table Of Contents
PCAN-Repeater DR – User Manual Contents Introduction Properties at a Glance Operation Requirements Scope of Supply Installation CAN Ports Power supply connection Influence on Maximum Bus Length CAN Termination Transmission Limitation Operation Initial Steps Status LEDs Bus Load and Error Indication... -
Page 4: Introduction
DIN rail casing and extended temperature range support, it is suitable for use in an industrial environment. The PCAN-Repeater DR can be used in CAN FD buses with data bit rates up to 4 Mbit/s and nominal bit rates up to 1 Mbit/s. For operating the PCAN-Repeater DR in a CAN FD bus, there are notes in Appendix C on page 21. -
Page 5: Operation Requirements
(-40 to +185 °F) Operation Requirements Power supply in the range of 8 to 30 V DC Scope of Supply PCAN-Repeater DR in DIN rail plastic casing 3 mating connectors (Phoenix, type: MSTB 2,5/4-ST BK) for power supply and CAN connectors... -
Page 6: Installation
PCAN-Repeater DR – User Manual Installation CAN Ports Both CAN ports CAN 1 and CAN 2 are located on the upper side of the casing. Assignment CAN-High CAN-Low CAN-GND CAN-Shield Power supply connection The connection for the power supply is located on the lower side of the casing. -
Page 7: Influence On Maximum Bus Length
PCAN-Repeater DR – User Manual Influence on Maximum Bus Length The PCAN-Repeater DR has a transit delay of 115 ns. This corresponds to a cable length of 23 m which reduces the maximum bus length. Due to the characteristics of the CAN protocol, the maximum bus length depends on the bit rate. - Page 8 CAN port, both switches of a switch block must have the same setting. For the assembly of the PCAN-Repeater DR, slide the board including the front part back into the plastic casing and press the casing together (the latches click in).
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Page 9: Transmission Limitation
Note: Use this function only for special purposes. An in-depth understanding of CAN bus communication is required. On delivery of the PCAN-Repeater DR, CAN communication is done in both directions without limitation. The transmission of CAN signals can be completely blocked in one direction. - Page 10 (only for special purposes) CAN 1 is observer (only for special purposes) No communication! For the assembly of the PCAN-Repeater DR, slide the board including the front part back into the plastic casing and press the casing together (the latches click in).
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Page 11: Operation
CAN bus segment. Make sure that the same bit rate is used on both CAN bus segments. Connect the PCAN-Repeater DR to a power supply (8 to 30 V DC). The PCAN-Repeater DR now forwards the CAN messages 1 to 1. -
Page 12: Status Leds
PCAN-Repeater DR – User Manual Status LEDs Status Meaning Error flashing once Communication error (error frames) Traffic Orange Bit rate detection is executed or a bit rate could not be detected No CAN communication Green slow blinking (2 Hz) Bus load up to 19 %... - Page 13 If the indication function detects a significantly increased error rate, it assumes that the bit rate has changed and re-executes the bit rate detection. After switching off the PCAN-Repeater DR and switching it on again later, the indication function uses the last detected bit rate.
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Page 14: Application Examples
Repeater DR: Decoupling of Two Bus Segments (below) Implementation of a Long Stub Line (on page 15) Note: The PCAN-Repeater DR cannot be used to extend the length of a CAN bus beyond the maximum distance of two nodes. Decoupling of Two Bus Segments The PCAN-Repeater DR is used to establish a galvanic isolation between two bus segments (A and B). -
Page 15: Implementation Of A Long Stub Line
Implementation of a Long Stub Line The PCAN-Repeater DR is used to implement a long stub line. Normally, a CAN bus must have a line structure. Stub lines (connec- tions for nodes on the CAN line) may only be short in order to avoid a star structure that can affect high-frequency electronic signals. -
Page 16: Technical Specifications
PCAN-Repeater DR – User Manual Technical Specifications Connectors 2 x Phoenix connector 4-pin Power Phoenix connector 4-pin Specification ISO 11898-2, High-speed CAN 2.0A (Standard format) and 2.0B (Extended format) Bit rates 5 kbit/s to 1 Mbit/s Transceiver NXP PCA82C251 Galvanic isolation Up to 5 kV DC or 3.5 kV AC (in accordance with... - Page 17 PCAN-Repeater DR – User Manual Environment Operating temperature -40 to +85 °C (-40 to +185 °F) Temperature for storage -40 to +100 °C (-40 to +212 °F) and transport Relative humidity 15 to 90 %, not condensing Ingress protection IP20...
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Page 18: Appendix A Conformity
PCAN-Repeater DR – User Manual Appendix A Conformity CE Certificate... -
Page 19: Ukca Certificate
PCAN-Repeater DR – User Manual UKCA Certificate... -
Page 20: Appendix B Dimension Drawing
PCAN-Repeater DR – User Manual Appendix B Dimension Drawing The figure does not show the actual size of the product. -
Page 21: Appendix C Operation In A Can Fd Bus
CAN and CAN FD communication between both CAN ports. If you are using the PCAN-Repeater DR in a CAN FD bus, note the following: The data bitrate of CAN FD frames may be up to 4 Mbit/s.
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