HMS Ixxat CAN-CR100 Bedienungsanleitung

CAN FD Repeater

CAN-CR100, CAN-CR110/FO, CAN-CR120/HV, CAN-CR300

USER MANUAL

4.01.0210.20000 1.3 en-US ENGLISH

Important User Information

Disclaimer

The information in this document is for informational purposes only. Please inform HMS Industrial Networks of any

inaccuracies or omissions found in this document. HMS Industrial Networks disclaims any responsibility or liability

for any errors that may appear in this document.

HMS Industrial Networks reserves the right to modify its products in line with its policy of continuous product

development. The information in this document shall therefore not be construed as a commitment on the part of

HMS Industrial Networks and is subject to change without notice. HMS Industrial Networks makes no commitment

to update or keep current the information in this document.

The data, examples and illustrations found in this document are included for illustrative purposes and are only

intended to help improve understanding of the functionality and handling of the product. In view of the wide range

of possible applications of the product, and because of the many variables and requirements associated with any

particular implementation, HMS Industrial Networks cannot assume responsibility or liability for actual use based on

the data, examples or illustrations included in this document nor for any damages incurred during installation of the

product. Those responsible for the use of the product must acquire sufficient knowledge in order to ensure that the

product is used correctly in their specific application and that the application meets all performance and safety

requirements including any applicable laws, regulations, codes and standards. Further, HMS Industrial Networks will

under no circumstances assume liability or responsibility for any problems that may arise as a result from the use of

undocumented features or functional side effects found outside the documented scope of the product. The effects

caused by any direct or indirect use of such aspects of the product are undefined and may include e.g. compatibility

issues and stability issues.

CAN FD Repeater User Manual 4.01.0210.20000 1.3 en-US

Table of Contents Page

1 User Guide ........................................................................................................................... 3

1.1 Target Audience...............................................................................................................3

1.2 Document History ............................................................................................................3

1.3 Trademark Information.....................................................................................................3

1.4 Conventions....................................................................................................................4

2 Safety Instructions .............................................................................................................. 5

2.1 Information on EMC .........................................................................................................5

2.2 General Safety Instructions................................................................................................5

2.3 Intended Use...................................................................................................................5

3 Scope of Delivery ................................................................................................................ 5

4 Product Description ............................................................................................................ 6

5 Configuration....................................................................................................................... 7

5.1 Configuring the Lock Time .................................................................................................7

5.2 Extending the Recessive Bit................................................................................................8

6 Installation........................................................................................................................... 9

6.1 Mounting the Device ........................................................................................................9

6.2 Connectors .....................................................................................................................9

7 Operation........................................................................................................................... 11

7.1 LEDs ............................................................................................................................ 11

8 Technical Data ................................................................................................................... 12

9 Support/Return Hardware................................................................................................ 13

9.1 Support........................................................................................................................ 13

9.2 Return Hardware ........................................................................................................... 13

10 Disposal.............................................................................................................................. 13

A Regulatory Compliance ..................................................................................................... 15

A.1 EMC Compliance (CE) ..................................................................................................... 15

A.2 FCC Compliance Statement.............................................................................................. 15

A.3 RoHs Directive............................................................................................................... 16

A.4 Disposal and recycling..................................................................................................... 16

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User Guide 3 (18)

1 User Guide

Please read the manual carefully. Make sure you fully understand the manual before using the

product.

1.1 Target Audience

This manual addresses trained personnel who are familiar with CAN, CAN FD and the applicable

standards. The contents of the manual must be made available to any person authorized to use

or operate the product.

1.2 Document History

Version Date Description

1.0 February 2018 First release

1.1 February 2018 Minor corrections

1.2 March 2019 Layout changes, added description for lock time and extending the recessive bit

1.3 May 2019 Corrections bit rate

1.3 Trademark Information

Ixxat®is a registered trademark of HMS Industrial Networks. All other trademarks mentioned in

this document are the property of their respective holders.

CAN FD Repeater User Manual 4.01.0210.20000 1.3 en-US

User Guide 4 (18)

1.4 Conventions

Instructions and results are structured as follows:

►instruction 1

►instruction 2

→ result 1

→ result 2

Lists are structured as follows:

• item 1

• item 2

Bold typeface indicates interactive parts such as connectors and switches on the hardware, or

menus and buttons in a graphical user interface.

This font is used to indicate program code and other

kinds of data input/output such as configuration scripts.

This is a cross-reference within this document: Conventions, p. 4

This is an external link (URL): www.hms-networks.com

Safety advice is structured as follows:

Cause of the hazard!

Consequences of not taking remediate action.

How to avoid the hazard.

Safety signs and signalwords are used dependent on the level of the hazard.

This is additional information which may facilitate installation and/or operation.

This instruction must be followed to avoid a risk of reduced functionality and/or damage

to the equipment, or to avoid a network security risk.

Caution

This instruction must be followed to avoid a risk of personal injury.

WARNING

This instruction must be followed to avoid a risk of death or serious injury.

CAN FD Repeater User Manual 4.01.0210.20000 1.3 en-US

Safety Instructions 5 (18)

2 Safety Instructions

2.1 Information on EMC

Risk of interference to radio and television if used in office or home environment!

Make sure, that DIN rail is connected to the ground.

Use exclusively included accessories. Use exclusively shielded cables.

Make sure, that the shield of the CAN cable is connected.

If necessary, enlarge distance between source of interference (e.g. motors, frequency inverter) or

drain of interference and device to avoid interference.

2.2 General Safety Instructions

►Protect product from moisture and humidity.

►Protect product from too high or too low temperature (see Technical Data, p. 12).

►Protect product from fire.

►Do not paint the product.

►Do not modify or disassemble the product. Service must be carried out by HMS Industrial

Networks.

►Store products in dry and dust-free place.

2.3 Intended Use

The devices are used to establish a physical coupling of two or more segments of a CAN or CAN

FD bus system. It is possible to implement tree or star topologies, as well as long drop lines. With

a galvanically isolated repeater network segments can be electrically decoupled.

The devices cannot be used to extend a CAN/CAN FD system because in terms of signal the

repeater corresponds to a line with delay time.

3 Scope of Delivery

Included in scope of delivery:

• CAN FD Repeater

• User Manual CAN FD Repeater

CAN FD Repeater User Manual 4.01.0210.20000 1.3 en-US

Product Description 6 (18)

4 Product Description

CAN-CR100

• 2 x CAN/CAN FD interfaces according to ISO 11898-2

• ISO CAN FD and nonISO CAN FD

• variant with integrated bus termination resistor and variant without bus termination resistor

available

• 1 kV isolation voltage

CAN-CR120/HV

• 2 x CAN/CAN FD interfaces according to ISO 11898-2

• ISO CAN FD and nonISO CAN FD

• variant with integrated bus termination resistor and variant without bus termination resistor

available

• 3 kV isolation voltage

CAN-CR110/FO

• 2 x CAN/CAN FD interfaces:

– 1 x CAN interfaces according to ISO 11898-2

– 1 x FO interface (F-SMA connector)

• ISO CAN FD and nonISO CAN FD

• variant with integrated bus termination resistor and variant without bus termination resistor

available

• 1 kV isolation voltage

HMS Industrial Networks offers cable assemblies (F-SMA) in various lengths to connect two CAN-CR110/

FO.

CAN-CR300

• 4 x CAN/CAN FD interfaces according to ISO 11898-2

• ISO CAN FD and nonISO CAN FD

• variant with integrated bus termination resistor and variant without bus termination resistor

available

• 1 kV isolation voltage

CAN FD Repeater User Manual 4.01.0210.20000 1.3 en-US

Configuration 7 (18)

5 Configuration

To operate the CAN repeater no software installation is required. The CAN repeater is configured

via DIP switches (1).

Fig. 1 DIP switches

5.1 Configuring the Lock Time

The CAN transceiver transmits data and receives these transmitted data again after a certain

delay, the so-called loop delay. For example, if the transceiver transmits a dominant bit and after

that a recessive bit, the transceiver only sees the recessive bit in its receive output after the loop

delay. The size of the loop delay depends on several factors, like for example the number of CAN

nodes in the network. The higher the capacity load is, the higher is the loop delay. To avoid bit

errors caused by this delay, the configured lock time must be higher then the loop delay.

►Use a screwdriver or similar tool to set the DIP switches.

►Observe, that the setting depends on the bit rate and the capacitive load of the network

(the higher the capacity load, the higher the value).

►Configure the lock time with DIP switches 1 and 2.

►Observe the following reference values:

– for networks with less than 32 nodes the lock time is about 200 ns

– for networks between 32 and 64 nodes the lock time is about 400 ns

– for networks with more than 64 nodes the lock time is about 800 ns and with this

setting the bit rate is limited to maximal 500 kbit/s

Valid Lock Time Combinations

DIP switch 1 DIP switch 2 Lock time

Off Off 200 ns (default)

On Off 400 ns

Off On 800 ns

On On 1600 ns

CAN FD Repeater User Manual 4.01.0210.20000 1.3 en-US

Configuration 8 (18)

5.2 Extending the Recessive Bit

Due to the internal structure the CAN transceiver shortens recessive bits on the network, and

thus dominant bits are extended. At high bit rates this might cause errors. To extend the

recessive bits may improve the error rate, as the bits then are closer to their nominal value on

the network. If the recessive bits are extended with the DIP switches, the extension is made

independently of the bit rate, also at low bit rates.

►Use a screwdriver or similar tool to set the DIP switches.

►Extend the recessive bit with DIP switches 3 and 4.

Valid Combinations

DIP switch 3 DIP switch 4 Recessive bit extension

Off Off 0 ns (default)

On Off 10 ns

Off On 20 ns

On On 30 ns

CAN FD Repeater User Manual 4.01.0210.20000 1.3 en-US

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