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ICP DAS I-7531
Isolated CAN Repeater

ICP DAS I-7531 Introduction

I-7531 is a CAN repeater used to establish a physical coupling of two or more segments of a CAN bus system. Users can implement tree or star topologies as well as for long drop lines with I-7531. Connecting via I-7531, the division of a CAN system into several subsystems increases the maximum number of bus nodes.

The I-7531 is an optically isolated CAN repeater which provides 2500Vrms of optical isolation allowing you to separate and protect critical segments of the system from the rest of the CAN network. And its galvanic isolation isolates both CAN segments from each other as well as from the power supply.

The CAN connection of I-7531 is by terminal blocks. A power supply of 10VDC ~ 30VDC is required. I-7531 is housed in a rugged DIN-Rail mountable box, making it easy to install in an industrial cabinet. Futhermore, I-7531 can be used in CANopen, DeviceNet and generic ISO 11898-2 standard.


ICP DAS I-7531 Features

  • Compatible with CAN specification 2.0A and 2.0B
  • Fully compatible with the ISO 11898-2 standard
  • Maximum communication baud : 800Kbps
  • 2500 VRMS photo coupler isolation on the CAN side
  • 3KV galvanic isolation among the power supply and 2 CAN ports
  • Jumper for 120? terminator resistor of CAN bus
  • Two CAN channels
  • Auto-baud detection up to 100 nodes on each CAN port
  • Removable terminal block
  • Mount easily on DIN-rail


ICP DAS I-7531 Specification

  • CAN Interface
    • Transceiver: NXP 82C250
    • Channel number: 2
    • Connector: 3-pin screwed terminal block (CAN_GND, CAN_L, CAN_H)
    • Baud Rate (bps): 5 k ~ 800 k
    • Isolation: 3000 VDC for DC-to-DC, 2500 Vrms for photo-couple
    • Terminator Resistor: Jumper for 120 ? terminator resistor
    • Specification: ISO-11898-2, CAN 2.0A and CAN 2.0B
  • Power
    • Power Supply: Unregulated +10 ~ +30 VDC
    • Protection: Power reverse polarity protection, Over-voltage brown-out protection
    • Power Consumption: 2 W
  • Mechanism
    • Installation: DIN-Rail
    • Dimensions: 72mm x 33mm x 122mm (W x L x H)
  • Environment
    • Operating Temperature: -25 ~ 75 deg C
    • Storage Temperature: -40 ~ 80 deg C
    • Humidity: 5 ~ 95% RH, non-condensing

ICP DAS I-7531 Ordering Information

  • I-7531-G (CAN bus isolated repeater)
  • I-7531-G CR (CAN bus isolated repeater (RoHS))


ICP DAS I-7531
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