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ALF111-S51 Yokogawa Foundation Fieldbus Communication Module

    Buy cheap ALF111-S51 Yokogawa Foundation Fieldbus Communication Module from wholesalers
     
    Buy cheap ALF111-S51 Yokogawa Foundation Fieldbus Communication Module from wholesalers
    • Buy cheap ALF111-S51 Yokogawa Foundation Fieldbus Communication Module from wholesalers
    • Buy cheap ALF111-S51 Yokogawa Foundation Fieldbus Communication Module from wholesalers

    ALF111-S51 Yokogawa Foundation Fieldbus Communication Module

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    Brand Name : Yokogawa
    Model Number : ALF111-S51
    Certification : CE
    Price : variable
    Payment Terms : T/T
    Supply Ability : 50pcs/weeks
    Delivery Time : Negotiate
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    ALF111-S51 Yokogawa Foundation Fieldbus Communication Module

    ALF111-S51 Yokogawa Foundation Fieldbus Communication Module


    Manufacturer : Yokogawa
    Product No. : ALF111-S51
    Product Type : Foundation Fieldbus Communication Module
    Model : ALF111 = Foundation Fieldbus Communication Module
    -S : Standard type
    5 : With no explosion protection
    1 : With ISA Standard G3 option
    Weight : 0.4 Kg
    Shipping Weight : 2 Kg


    GENERAL
    This document describes about Model ALF111 FOUNDATION fieldbus Communication Module (for FIO) which is to establish communication between field control stations (FCS) and fieldbus devices compliant to the FOUNDATION fieldbus(H1) such as transmitters and valve positioners.


    HARDWARE SPECIFICATIONS
    The FOUNDATION fieldbus communication module (ALF111) performs as the Link Active Scheduler (LAS) to exchange data with devices compliant with FOUNDATION fieldbus (H1) protocol. The hardware specifications for this module are as shown in the table below

    ItemSpecifications
    ModelALF111
    InterfaceFOUNDATION fieldbus (low speed voltage mode)
    4 ports (1 segment (*1) per port)
    Transmission speed31.25 kbps
    Withstanding voltageFrom field to system: 1500 V AC/minute
    Bus connection (external connection)• Pressure clamp terminals (removable terminal block with built-in terminators that can be switched on/off. )
    • Connects with terminal board via a dedicated cable.
    No. of control I/O channels (*2)Max. 48 points/segment (Complies with high- and medium-speed scanning cycle by specifying up to 6 points of I/O points as high-speed scanning type on the ER bus.)
    No. of fieldbus devicesMax. 32 units per segment (*3) (ALF111 counts as one unit) (*4)
    Communication functionsLAS function, Clock master function
    Dual-redundancyEnabled to set up two units of ALF111 installed in the annexed slots in the same node unit.
    Current consumption0.5 A or less


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