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    tM-SG4 CR

    € 26,83
    € 23,07 Excl. tax Deliverytime: 2-3 weeks
    Pull-high/Pull-low Module/RS-485... Show more
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    Product description

    Download Datasheet Download PDF

    Pull-high/Pull-low Module/RS-485

     
    • Switch-selectable Pull-high/Pull-low Resistors
    • 15-step Switch-selectable Termination Resistor
    • LED Indicator for Power/Termination
    • DIN-Rail mountable
    • Cost-effective
    • Wide Operating Temperature Range: -25 °C ~ +75 °C

    The tM-SG4 is an optional module that is used to improve the communication of RS-485 network. It provides switch selectable pull-high and pull-low resistors on RS-485 network. It also has 15-step switch selectable termination resistor such that the user can select a proper termination resistor to be connected to the RS-485 network easily. If the RS-485 network is not over 100 meters, the termination resistors are not needed. Otherwise, it may be necessary to insert two termination resistors at both end of the RS-485 network. It is not easy to calculate the value of a termination resistor on the RS-485 network. The best way to do this is to use an oscilloscope to check the RS-485 signal directly. If the impedance match of RS-485 network is OK, the oscilloscope will show a very nice square wave. If these square wave signals are distorted, the user will need to insert two termination resistors at both end of the RS-485 network.

    Specifications

    Article number
    tM-SG4 CR
    SKU
    tM-SG4 CR
    tM-SG4 CR
    € 26,83
    € 23,07
    Excl. tax
    tM-SG4 CR
    tM-SG4 CR
    Deliverytime: 2-3 weeks
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