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        4701X

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        1001 reviews ｜ Need a Specific Revision?
        Triconex 4701X is a Tricon CX serial-to-serial I/O bus interface module used to extend triplicated controller communication through compatible chassis paths.
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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 4701X

        • Manufacturer:
          Invensys
        • Part Number:
          4701X
        • Product Family:
          Triconex
        • Product Type:
          I/O Bus Interface Module
        • Stock:
          1
        • Module role:
          I/O Bus Interface Module Serial-Serial (IMSS)
        • Compatible chassis:
          8131X I/O Expansion Chassis
        • Protocol:
          I/O Bus, RS-485 serial
        • Input interface:
          RJ-45 copper
        • Output interface:
          RJ-45 copper
        • Cable requirement:
          CAT 6 industrial-type cable
        • Maximum distance:
          100 ft (30 m)
        • Pass indicator:
          Green when the module has no faults
        • Fault indicator:
          Red when the module has a fault
        • Alarm indicator:
          Red when an I/O module asserts the backplane chassis-alarm signal
        • Power 1 indication:
          Green within 24 V specification; red outside specification
        • Power 2 indication:
          Green within 24 V specification; red outside specification
        • Logic power:
          <1 W
        • Expansion-chassis alarm contacts:
          Not operational when 4701X IMSS modules are installed
        • 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 Compatibility Communication Diagnostics

        Features:

        • Implements a serial-to-serial I/O bus interface for the Tricon CX architecture.
        • Extends triplicated chassis communication through documented serial I/O bus cables.
        • Consumes less than one watt of logic power in the published configuration.
        The current part is the IMSS variant, which keeps serial media on both sides of the I/O bus interface.

        It links controller and expansion-chassis communication while preserving the Tricon CX redundant bus arrangement.

        Select it only after confirming connector type, cable route, address plug and the physical interface position.

        Availability is subject to Apter Power inventory and sourcing confirmation.
        Verified resources for Triconex 4701X: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.
        • Extends the I/O bus from the main chassis to compatible Tricon CX expansion hardware.
        • Maintains serial media where the project does not require a fiber-optic I/O bus segment.
        • Supports cabinet expansion layouts that depend on triplicated chassis-to-chassis communication.
        • The IMSS is selected for a serial-to-serial expansion path rather than a fiber I/O-bus link.
        • Interface cables and the adjacent chassis modules must match the documented serial bus topology.
        • Chassis addressing must correspond to the physical expansion position before the interface is placed in service.
        • Three serial paths carry the triplicated I/O bus between the controller and expansion hardware.
        • The module preserves the separate bus channels required by the Tricon CX fault-tolerant architecture.
        • Serial media must remain continuous through every upstream and downstream interface connection.
        • Status indicators show the condition of the three I/O-bus interface paths at the module face.
        • A disrupted serial link can be isolated by comparing path indications with the engineered cable route.
        • Commissioning tests should confirm communication through every bus leg before application control is resumed.
        Description
        Triconex 4701X is the IMSS serial-to-serial I/O Bus Interface Module for Tricon CX expansion architecture. It transfers the controller's triplicated I/O communication paths between main and expansion chassis over the specified serial media. By handling all three paths together, the module extends the fault-tolerant I/O bus without converting the installation to an optical medium or altering the controller's voting structure.

        The interface enables a distributed chassis layout while preserving the bus structure required by the safety system. Front indications provide maintenance personnel with direct visibility of the three interface paths during operation. This supports cabinets arranged beyond the main chassis while keeping their I/O traffic associated with the correct controller and expansion-bus sequence.

        Use of the IMSS is determined by the engineered bus topology rather than by chassis position alone. Cable type, adjacent interface model and chassis addressing must all match the serial expansion design before service is restored. Preserving that topology prevents crossed bus paths, invalid addresses and communication loss that could affect every module located beyond the interface point.
        Alternative Names
        4701X Triconex 4701X 4701X I/O Bus Interface Module Triconex 4701X I/O Bus Interface Module 4701X Tricon CX Triconex 4701X Tricon CX Triconex 4701X Tricon CX I/O Bus Interface Module
        Technical notes
        4701X is a serial-media IMSS; verify both I/O-bus cable ends and chassis addressing before substitution with any other interface type.
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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
        Which communication role belongs specifically to 4701X?
        Serial media on both sides identifies the IMSS configuration and separates it from the fiber IMFF model.
        How must 4701X be positioned within the main-chassis COM layout?
        Match the interface to the chassis bus positions, address plugs and cable assemblies shown on the project drawing.
        Where does 4701X link safety-controller data with plant systems?
        It carries triplicated I/O traffic between Tricon CX chassis without converting the segment to fiber.
        How does Apter Power validate the available 4701X configuration?
        Apter Power checks the required revision, condition, quantity and delivery objective before confirming supply.
        Which network and temperature checks are critical before changing 4701X?
        Verify upstream and downstream connectors, cable lengths, redundant positions, chassis numbers and interface indicators.
        What system information is required with a 4701X quotation request?
        Provide the topology drawing, chassis models, cable numbers, address settings, module label and shipping destination.

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