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User Manual v1.0 and QuickStart v1.0 (2007/12/18):

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User Manual v1.1 and QuickStart v1.1 (2008/01/10):

    1. Change I-7531 to i-7531
    2. Update panel figure of i-7531
    3. Add description of CAN_GND and CAN_Shield
    4. Other minor bug fixes

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User Manual v1.2 and QuickStart v1.2 (2008/02/13):

    1. Add description of Driving Capability
    2. Add description of Propagation Delay
    3. Other minor bug fixes

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User Manual v1.3 and QuickStart v1.3 (2008/03/25):

    1. Modify description of FG
    2. Correct the Pin number in the table 1 in user manual
    3. Update figure of assembly drawing and mounting
    4. Other minor bug fixes

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User Manual v1.4 and QuickStart v1.4 (2008/07/11):

    1. Replace the module name from "i-7531" to "I-7531"
    2. Modify description of FG
    3. Modify description of terminal resistor
    4. Other minor bug fixes

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User Manual v1.5 and QuickStart v1.5 (2012/11/22):

    1. Update the picture of the "Application Architecture".

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