ICP DAS USA CAN Repeater I-7531 Bedienungsanleitung

Andere Handbücher für CAN Repeater I-7531

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Inhaltsverzeichnis

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I-7531 CAN Repeater - QuickStart (Jan/2018)

ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717

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I-7531

CAN Repeater

Quick Start Guide

Product Website:

https://www.icpdas-usa.com/i_7531

1. Introduction

The I-7531 is an isolated CAN repeater that can be used to establish a physical

coupling of two segments of a CAN bus system. This module is designed to isolate the

noise and disturbance between the two CAN ports of the I-7531. When the CAN signal

is decayed because of the rough bus cable or noise, the I-7531 can recover the shape

of the CAN signals to the original ones. Tree topologies can be implemented as well as

long drop lines using the I-7531. In order to use the I-7531 easily, the module can

automatically adjust the baud rate by itself to match the CAN network. Users just

connect the I-7531 with the CAN buses, check the terminator resistor and power it on,

subsequently the I-7531 enable to work normally.

I-7531 CAN Repeater - QuickStart (Jan/2018)

ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717

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2. Appearance

When the I-7531 is turned on, the status LED will be display with red light. Moreover,

when a message passes through I-7531, the status LED will be twinkle once with yellow

light while the red light is still on.

Note1: Twinkling rate correlates with baud rate of CAN bus. Users may see no twinkling

when the twinkling period is too short because of the higher baud rate of CAN bus.

Besides, the yellow LED could look like always on when bus loading is heavy.

I-7531 CAN Repeater - QuickStart (Jan/2018)

ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717

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3. Terminator Resistor Setting

I-7531 CAN Repeater - QuickStart (Jan/2018)

ICP DAS USA, Inc. | www.icpdas-usa.com | 1-310-517-9888 | 24309 Narbonne Ave. Suite 200. Lomita, CA 90717

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4. Configuration Installation

Step1: Modify JP2 and JP3 of I-7531 according to user’s application.

Step2: Connect two different CAN buses using I-7531 as follow figure

Note2: Roughly speaking, wiring of CAN_GND and FG can improve the capability of

anti-interference of CAN bus system in harsh environment, but this is not necessary.

Note3: When users want to calculate the total bus line length, I-7531 need also be

considered.

According recommended specific line delay 5ns/m, one I-7531 (~200ns delay) should

be considered as one 40m bus line.

For more information, please refer to the user manual of I-7531.