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Compare ADAM-4521 with ADAM-4520 (Part II).

2004-01-22 Revision Change Document No.1-0000063

Related Product:

ADAM-4521

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Solution:

  • Compare ADAM-4521 with ADAM-4520 (Part II).

    The following comparison between ADAM-4521 and ADAM-4520 is for your reference:
    A: Same
    1. Converter: RS-232 <==> RS-422/485
    2. Data format: 9, 10, 11, 12 bits
    3. Power requirement: Unregulated +10 to +30 Volts
    4. Power ripple: 200mV, peak to peak
    5. 12VDC surge protection and 170 mA overcurrent protection
    6. DB9: Female, DTE
    7. Support Rx, Tx, GND, RTS

    B: Difference
    1. Baudrate: 300 - 115.2K for 4521, 1200 - 115.2K for ADAM-4520, besides that, 4ADAM-521 can allow different baudrates between RS-232 and RS-485 interface
    2. Configuration: Software settings for ADAM-4521, DIP Switch for ADAM-4520
    3. RS-485 control: Auto for ADAM-4521, Auto and RTS for ADAM-4520
    4. RS-422 control: Auto for ADAM-4521, Auto and Always on for ADAM-4520
    5. Isolation: 1000VDC for ADAM-4521, 3000VDC for ADAM-4520
    6. ID address: Yes for ADAM-4521 ( addressable & nonaddressable ), Not for ADAM-4520
    7. Delimiter and : Yes for ADAM-4521,Not for ADAM-4520
    8. CTS signal: Yes for ADAM-4521, Not for ADAM-4520

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