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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power supports AutoMax PLC sourcing, document review, and exact-order quotation.

        57C404B

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Reliance Electric 57C404B is a AutoMax DCS-NET Network Communications Module. It exchanges control and status data among AutoMax/DCS 5000 racks.
        In Stock
        Ships by Wednesday, October 28
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
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        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 57C404B

        • Manufacturer:
          Reliance Electric
        • Part Number:
          57C404B
        • Product Family:
          AutoMax PLC
        • Product Type:
          Network Communications Module
        • Stock:
          1
        • Network:
          AutoMax / DCS 5000 DCS-NET
        • Function:
          Control and status data exchange between racks
        • Protocol:
          Master/slave with broadcast transmission
        • Data memory:
          4K-word dual-port network memory
        • Physical media:
          Coaxial bus or fiber-optic connection with the appropriate hardware
        • Physical drops:
          Up to 51 depending on cable type and network length
        • Virtual drops:
          Up to 55 software-configured drops
        • System current:
          +5 V at 2.5 A, +12 V at 0.053 A and -12 V at 0.0075 A
        • Weight:
          0.86 kg
        • Estimated shipping dimensions:
          3x19.1x34.2cm
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Applications Programming Firmware & Updates Performance & Efficiency

        Features:

        • Exchanges control and status data among AutoMax/DCS 5000 racks.
        • Uses a broadcast master/slave protocol across DCS-NET drops.
        • Maintains a 4K-word dual-port image of the latest network data.
        The module links multiple AutoMax/DCS 5000 racks into a distributed control network so each rack can publish and receive shared control or status information.

        A master drop initiates each transaction. Messages are broadcast to all network modules, and the encoded drop address determines which slave must respond; that response is also visible to every drop.

        Set the physical or virtual drop definition, confirm master/slave planning, termination and cable type, and verify that every rack contains the required processor, power supply and network module before enabling traffic.

        Availability is reviewed against the exact 57C404B order identity and requested supply condition; manufacturer lifecycle status: Discontinued / Obsolete by OEM.
        Verified resources for Reliance Electric 57C404B:Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
        • The onboard processor updates a 4K-word dual-port memory image containing the latest network data. Rack processors can read or write that image across the backplane without managing the physical transmission timing directly.
        • Coaxial installations use a multidrop bus. Fiber-optic media may be selected where galvanic isolation and greater noise immunity are required, subject to the network hardware and distance rules.
        • Supports coaxial multidrop or suitably configured fiber-optic media.
        • Exchanges control and status data between distributed controller racks.
        • Provides 4K words of dual-port network memory.
        • Operates on the AutoMax or DCS 5000 DCS-NET architecture.
        • Supports up to 55 software-configured virtual network drops.
        • Uses master/slave communication with broadcast transmission.
        • Works with coaxial or fiber media using the proper interface hardware.
        • Supports up to 51 physical drops, depending on media and network length.
        • Draws power from +5 V, +12 V, and -12 V system rails.
        • Shares control and status data across multiple AutoMax or DCS racks.
        Description
        Reliance Electric 57C404B The module links multiple AutoMax/DCS 5000 racks into a distributed control network so each rack can publish and receive shared control or status information. A master drop initiates each transaction. Messages are broadcast to all network modules, and the encoded drop address determines which slave must respond; that response is also visible to every drop.

        The onboard processor updates a 4K-word dual-port memory image containing the latest network data. Rack processors can read or write that image across the backplane without managing the physical transmission timing directly. Coaxial installations use a multidrop bus. Fiber-optic media may be selected where galvanic isolation and greater noise immunity are required, subject to the network hardware and distance rules.

        Set the physical or virtual drop definition, confirm master/slave planning, termination and cable type, and verify that every rack contains the required processor, power supply and network module before enabling traffic.
        Alternative Names
        57C404B 57-C404B 57 C404B Reliance Electric 57C404B AutoMax 57C404B 57C404B Network Communications Module 57C404B DCS-NET Interface Module Reliance Electric AutoMax 57C404B Network Module
        Technical notes
        Network recovery with Reliance Electric 57C404B depends on the documented physical or virtual drop, master/slave plan, media termination, and presence of the required processor, supply, and network hardware in every rack.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        How does Reliance Electric 57C404B coordinate data across AutoMax racks?
        The module links multiple AutoMax/DCS 5000 racks into a distributed control network so each rack can publish and receive shared control or status information.
        Which shared control and status data uses Reliance Electric 57C404B?
        The manufacturer data specifies Function as Control and status data exchange between racks; the installed arrangement must match that exact value.
        How does master-drop communication work through Reliance Electric 57C404B?
        A master drop initiates each transaction. Messages are broadcast to all network modules, and the encoded drop address determines which slave must respond; that response is also visible to every drop.
        What topology settings must be verified for Reliance Electric 57C404B?
        Set the physical or virtual drop definition, confirm master/slave planning, termination and cable type, and verify that every rack contains the required processor, power supply and network module before enabling traffic.
        What supply restriction follows the obsolete Reliance Electric 57C404B status?
        The page records Discontinued / Obsolete by OEM. Apter Power reviews the exact order identity and condition without presenting this as an OEM delivery promise.
        Which DCS-NET records belong with a Reliance Electric 57C404B request?
        Submit the complete nameplate, Physical drops (Up to 51 depending on cable type and network length), installed system evidence, condition, quantity and destination so the document and quotation match 57C404B.

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