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I-7531 CAN Repeater Quick Start User Guide (ver. 1.4, 2008/07/11) -----1
Quick Start User Guide
1. Introduction
This user guide describes how to implement the I-7531 module into
users’ applications in a quick and easy way. Therefore, it only provides the
basic concepts. If users want to know more detail information about the I7531, please refer to the user manual of I-7531 in the product CD or visit
our website as follow:
http://www.icpdas.com/products/Remote_IO/can_bus/i-7531.htm
The purpose of this document is focused on helping users to quickly
familiarize themselves with the I-7531 module. For example, users can
apply the I-7531 module as follow figure:
The I-7531 CAN Repeater
Backbone of CAN bus
CAN branch
I-7531
I-7531
Extended
CAN bus
Extended
CAN bus
Electronic isolation
I-7531
Backbone use
Extended use
I-7531 I-7531
Electronic isolation
CAN branch CAN branch
Original
CAN bus
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I-7531 CAN Repeater Quick Start User Guide (ver. 1.4, 2008/07/11) -----2
2. Hardware Structure
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.
Power Input
CAN Port 1
i-7531
CAN bus Repeater
‧Support CAN 2.0A/2.0B
‧Photo-isolation: 2500 Vrms
‧Expand the number of CAN buses
‧Mountable on DIN Rail
3000V Isolation
GND
11
(CAN)
20
CAN_L
CAN_H
FG
GND
10
(CAN)
1
CAN_L
CAN_H
FG
(R)VS+
(B)GND
Frame Ground
Frame Ground