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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Request 6GK7443-1GX20-0XE0 quotations, product manuals, or model matching from Apter Power.

        6GK7443-1GX20-0XE0

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        1001 reviews ｜ Need a Specific Revision?
        Using five Ethernet ports, Siemens 6GK7443-1GX20-0XE0 is a CP 443-1 Advanced communications processor that links an S7-400 CPU with Industrial Ethernet and PROFINET IO devices.
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        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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        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
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        Technical specifications for 6GK7443-1GX20-0XE0

        • Manufacturer:
          Siemens
        • Part Number:
          6GK7443-1GX20-0XE0
        • Product Family:
          Siemens Simatic S7-400
        • Product Type:
          CP 443-1 Advanced Communications Processor
        • Stock:
          1
        • PROFINET Role:
          IO controller, RT and IRT
        • Ethernet Ports:
          5 RJ45
        • Gigabit Interface:
          1 x 10/100/1000 Mbit/s
        • Integrated Switch:
          4 x 10/100 Mbit/s
        • Supported Communication:
          S7, ISO, TCP/IP, UDP and RFC1006
        • Open Communication Connections:
          Up to 64
        • S7 Connections:
          Up to 128
        • PROFINET IO Devices:
          Up to 128
        • PROFINET IO Data:
          Up to 4 KiB input and 4 KiB output
        • Flash File System:
          30 MiB
        • RAM File System:
          16 MiB
        • Configuration Backup:
          512 KiB
        • Backplane Supply:
          5 V DC, ±5%
        • Current Consumption:
          1.8 A typical
        • Power Loss:
          9 W
        • Operating Temperature:
          0 to +60 °C
        • Protection Rating:
          IP20
        • Weight:
          1.82 lbs (0.826 kg)
        • Estimated shipping dimensions:
          23.3x30x4.3cm
        • Tariff Code:
          85176200
        • Country of origin:
          Germany
        • 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 Ethernet Ports PROFINET IO Connections Memory & Setup

        Features:

        • One Gigabit Ethernet port and four switched Fast Ethernet ports divide network connections.
        • PROFINET IO controller functions support real-time and isochronous real-time data exchange.
        • Flash and RAM file systems provide storage for FTP, web and configuration services.
        Siemens 6GK7443-1GX20-0XE0 links an S7-400 CPU to Industrial Ethernet communication and PROFINET IO device data.

        S7 communication, ISO transport, TCP/IP, UDP and RFC1006 use defined processor connection resources beside the cyclic controller traffic.

        The module receives 5 V DC from the S7-400 backplane and occupies one standard rack width in an IP20 environment.

        The Siemens 6GK7443-1GX20-0XE0 CP 443-1 Advanced Communications Processor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6GK7443-1GX20-0XE0 CP 443-1 Advanced Communications Processor Manuals,Datasheets,Link 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.

        Separated Ethernet Connection Roles

        • Gigabit path: The first RJ45 interface carries 10/100/1000 Mbit/s Industrial Ethernet traffic.
        • Switched segment: Four additional RJ45 ports form an integrated 10/100 Mbit/s switch for connected network devices.
        • Port separation: The Gigabit interface and four-port switch expose distinct physical paths for controller, plant, and service traffic.
        • Processor services: All five ports reach the communications processor while retaining their assigned interface structure.

        Cyclic Controller Data Exchange

        • Controller role: The module operates as a PROFINET IO controller with RT and IRT communication.
        • Device exchange: Up to 128 IO devices exchange cyclic data with the S7-400 CPU through the processor.
        • Data direction: The controller interface allocates up to 4 KiB for input data and 4 KiB for output data.
        • Redundancy path: MRP organizes media redundancy independently of the cyclic IO data allocation.

        Protocol Resource Assignment

        • S7 communication: Up to 128 configured S7 connections serve automation partners through dedicated processor resources.
        • Open communication: TCP, UDP, ISO, and RFC1006 share a separate pool of up to 64 connections.
        • Transport services: FTP client, FTP server, HTTP, and email functions use their assigned service connections.
        • Resource separation: Cyclic PROFINET IO traffic and general Ethernet services keep independent capacity limits.

        File Areas and Rack Integration

        • Flash area: The 30 MiB flash file system retains stored files and web content without using temporary RAM.
        • RAM area: The 16 MiB RAM file system provides working space for temporary file operations.
        • Backup area: A separate 512 KiB region retains configuration information outside the active file workspace.
        • Backplane integration: The single-width module receives its 5 V DC operating supply from the S7-400 rack backplane.
        Description
        Siemens 6GK7443-1GX20-0XE0 is a CP 443-1 Advanced communications processor for the SIMATIC S7-400 rack. It gives the CPU access to Industrial Ethernet services and acts as a PROFINET IO controller for cyclic data exchange with distributed devices.

        Five RJ45 paths divide the Ethernet traffic handled by 6GK7443-1GX20-0XE0. One interface supports 10/100/1000 Mbit/s communication, while the integrated four-port 10/100 Mbit/s switch connects additional network segments without using separate switch hardware in the rack connection.

        As a PROFINET IO controller, 6GK7443-1GX20-0XE0 exchanges real-time and isochronous real-time data with as many as 128 IO devices. Media redundancy through MRP and the controller connection structure organize the field data path separately from S7, ISO, TCP/IP, UDP and RFC1006 communication.

        The file services inside 6GK7443-1GX20-0XE0 use a 30 MiB flash area and a 16 MiB RAM area for FTP and web functions, with a dedicated backup area for configuration data. Email, SNMP, DHCP and HTTP services operate through the same processor but use defined connection resources rather than the PROFINET cyclic data area.

        Installed as a single-width S7-400 module, 6GK7443-1GX20-0XE0 draws 5 V DC from the backplane and dissipates 9 W. The IP20 module operates from 0 to +60 °C inside the protected rack environment.
        Alternative Names
        6GK74431GX200XE0 6GK7443 1GX20 0XE0 6GK 7443 1GX20 0XE0 Siemens 6GK7443-1GX20-0XE0 6GK7443-1GX20-0XE0 communications processor CP 443-1 Advanced Siemens S7-400 CP 443-1 Advanced 6GK7443-1GX2O-0XE0
        Technical notes
        Siemens 6GK7443-1GX20-0XE0 combines a Gigabit interface, a four-port Fast Ethernet switch, PROFINET IO controller functions, and S7 communication. It provides the S7-400 rack with multiple Ethernet service paths.
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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 are the five Ethernet ports divided on 6GK7443-1GX20-0XE0?
        6GK7443-1GX20-0XE0 provides one 10/100/1000 Mbit/s RJ45 interface and a separate integrated switch with four 10/100 Mbit/s RJ45 ports.
        What PROFINET controller load can 6GK7443-1GX20-0XE0 handle?
        6GK7443-1GX20-0XE0 can control up to 128 PROFINET IO devices with as much as 4 KiB of input data and 4 KiB of output data.
        Which protocol path should be selected for an RFC1006 connection through 6GK7443-1GX20-0XE0?
        RFC1006 communication on 6GK7443-1GX20-0XE0 uses the open communication resources alongside TCP, UDP and ISO transport services.
        Where do FTP and web files reside inside 6GK7443-1GX20-0XE0?
        6GK7443-1GX20-0XE0 provides a 30 MiB flash file system for persistent files and a 16 MiB RAM file system for temporary file operations.
        Does 6GK7443-1GX20-0XE0 need an external 24 V DC supply connector?
        No. 6GK7443-1GX20-0XE0 receives its 5 V DC operating supply from the S7-400 backplane.
        Why are PROFINET IO and S7 connection counts listed separately for 6GK7443-1GX20-0XE0?
        6GK7443-1GX20-0XE0 assigns cyclic PROFINET IO device exchange and S7 communication to different processor resources, so each has its own capacity limit.

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