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        6GK7442-1RX00-0XE0

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        1001 reviews ｜ Need a Specific Revision?
        Siemens 6GK7442-1RX00-0XE0 is a CP 442-1 RNA communications processor that connects SIMATIC S7-400 and S7-400H stations to Industrial Ethernet or a dual-network PRP path.
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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.
        Parts Availability
        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 6GK7442-1RX00-0XE0

        • Manufacturer:
          Siemens
        • Part Number:
          6GK7442-1RX00-0XE0
        • Product Family:
          Siemens Simatic Net
        • Product Type:
          CP 442-1 RNA Communications Processor
        • Stock:
          1
        • Supported Controller System:
          SIMATIC S7-400 and S7-400H
        • Interface Arrangement:
          1 Ethernet interface and 1 RNA interface with 2 ports
        • Ethernet Port:
          1 x RJ45
        • RNA Ports:
          2 x RJ45
        • Ethernet Transfer Rate:
          10/100 Mbit/s, half or full duplex
        • RNA Transfer Rate:
          100 Mbit/s, full duplex
        • Interface Operating Rule:
          Ethernet or RNA interface; simultaneous operation is not supported
        • Parallel Redundancy Protocol:
          PRP supported on the two-port RNA interface
        • Open Communication Connections:
          Up to 64
        • S7 Communication Connections:
          Up to 128, including up to 62 H connections
        • SEND/RECEIVE User Data:
          Up to 8 KiB for ISO, ISO-on-TCP, or TCP; up to 2 KiB for UDP
        • Configuration Software:
          STEP 7 V5.5 SP2 with HSP 1098 or higher
        • Network Management:
          SNMP v1, DCP, MIB II, Automation System MIB, and PRP-MIB
        • Diagnostic Functions:
          Web diagnostics, STEP 7 diagnostics, diagnostic buffer, and status LEDs
        • Time Synchronization:
          NTP mode and SIMATIC mode over the RNA interface
        • Access Control:
          IP-based ACL for communication and PLC routing
        • Backplane Supply:
          5 V DC from the S7 backplane bus
        • Typical Current Consumption:
          1.8 A at 5 V DC
        • Power Loss:
          7.25 W
        • Operating Temperature:
          0 to 60 °C
        • Storage and Transport Temperature:
          -40 to +70 °C
        • Relative Humidity:
          Up to 95% at 25 °C, non-condensing
        • Protection Rating:
          IP20
        • Maximum Modules per CPU:
          14
        • Weight:
          1.54 lbs (0.7 kg)
        • Estimated shipping dimensions:
          2.5x29x21cm
        • 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 Interface Roles PRP Operation Communication Diagnostics & Setup

        Features:

        • One 10/100 Mbit/s RJ45 interface provides a conventional Industrial Ethernet path for S7 and open communication.
        • Two 100 Mbit/s RNA ports carry duplicate traffic through separate LAN A and LAN B paths when PRP is configured.
        • Web diagnostics, SNMPv1, IP access control, and NTP support network monitoring and controlled access.
        Siemens 6GK7442-1RX00-0XE0 places Industrial Ethernet processing beside the SIMATIC S7-400 or S7-400H CPU, allowing the station to exchange S7 data and open communication frames without treating the processor as an I/O module.

        The Ethernet and RNA interfaces of 6GK7442-1RX00-0XE0 serve different network arrangements. X1P1 provides the single Ethernet route, while X2P1 and X2P2 either form the PRP pair or provide the documented single RNA-port arrangement; STEP 7 selects which interface is active.

        When PRP is selected, 6GK7442-1RX00-0XE0 places a copy of each frame on LAN A and LAN B. The receiving PRP node uses the first arrival and rejects the duplicate, while LEDs and web diagnostics expose the operating and fault state of the communication path.

        The Siemens 6GK7442-1RX00-0XE0 CP 442-1 RNA Communications Processor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6GK7442-1RX00-0XE0 CP 442-1 RNA 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.

        How the Three RJ45 Ports Are Used

        • X1P1 Ethernet path: This port links the S7 station to a conventional Industrial Ethernet segment, such as a PG/PC or higher-level network.
        • X2P1 and X2P2 RNA path: These ports carry the two PRP copies through separate LAN A and LAN B networks, or X2P1 alone serves the documented single-port RNA arrangement.
        • Mutual exclusivity: STEP 7 enables either X1P1 or the RNA interface, so the three physical ports do not form one simultaneously active switch.
        • Automatic link handling: Autocrossing and autonegotiation simplify copper cabling, while the RNA path remains fixed at 100 Mbit/s full duplex.

        Parallel Network Path Behavior

        • LAN A transmission: X2P1 places one identified copy of each outgoing frame onto the first independent Ethernet network.
        • LAN B transmission: X2P2 sends the matching copy through the second network without waiting for a failure or topology change.
        • Receive selection: A PRP-capable destination accepts the first valid frame to arrive and discards the duplicate from the parallel path.
        • Frame-length requirement: Every device that participates in redundant transfer must process PRP frames up to 1532 bytes so the added redundancy information is not lost.

        Controller and Open Data Exchange

        • S7 services: PG functions, operator monitoring, and controller data exchange use the active interface and its supported ISO or ISO-on-TCP path.
        • SEND/RECEIVE services: ISO transport is available on either interface, while TCP, ISO-on-TCP, UDP, and multicast are assigned to the RNA interface.
        • Dynamic TCP/IP access: T-block connections are established and terminated by the user program, keeping connection control tied to the controller logic.
        • Station time: The RNA interface can receive SIMATIC time messages or query an NTP server and then forward synchronized time to the CPU modules.

        Configuration and Fault Location

        • Front-panel indication: RUN, STOP, maintenance, internal, external, and bus-fault LEDs separate processor state from interface and station faults.
        • Web diagnostics: An enabled web server exposes module status and recent diagnostic-buffer events through the active RNA network path.
        • Duplicate IP handling: A conflict found during startup keeps the processor in STOP, while a conflict detected in RUN creates a buffer entry and lights the bus-fault LED.
        • Interface change: Switching between Ethernet and RNA operation requires a revised STEP 7 configuration to be downloaded through the interface that remains reachable.
        Description
        Siemens 6GK7442-1RX00-0XE0 is a SIMATIC NET CP 442-1 RNA communications processor for SIMATIC S7-400 and S7-400H stations. It moves controller, programming-device, operator-panel, and open communication data between the S7 backplane and an Industrial Ethernet network.

        At the network edge, 6GK7442-1RX00-0XE0 separates two connection roles. Its X1P1 RJ45 port provides the single conventional Ethernet path, while X2P1 and X2P2 form the RNA interface for one 100 Mbit/s connection or a two-path PRP network; STEP 7 activates one interface arrangement at a time.

        For redundant traffic, 6GK7442-1RX00-0XE0 sends matching frame copies through X2P1 to LAN A and X2P2 to LAN B. The receiving PRP node accepts the first valid copy and discards the duplicate, so a frame can still reach its destination when one network path is interrupted.

        Diagnostics on 6GK7442-1RX00-0XE0 connect front-panel status indications with web and STEP 7 information. Port LEDs show link and traffic state, the diagnostic buffer records module and network events, and duplicate IP detection distinguishes a conflict found during startup from one detected while the processor is already in RUN.
        Alternative Names
        6GK74421RX000XE0 6GK7 442-1RX00-0XE0 Siemens 6GK7442-1RX00-0XE0 6GK7442-1RX00-0XE0 CP 442-1 RNA Siemens CP 442-1 RNA 6GK7442 1RX00 0XE0 6GK7442-1RXOO-0XEO 6GK7442-IRX00-0XE0
        Technical notes
        For Siemens 6GK7442-1RX00-0XE0, STEP 7 activates either the single Ethernet interface or the two-port RNA interface; the two paths cannot operate together. In PRP mode, X2P1 and X2P2 must remain assigned to the correct LAN A and LAN B 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
        Why can Siemens 6GK7442-1RX00-0XE0 not use its Ethernet and RNA interfaces at the same time?
        Siemens 6GK7442-1RX00-0XE0 treats X1P1 and the two-port RNA path as alternative configurations. STEP 7 activates one interface arrangement, so a project change and new download are required when the network role changes.
        What should be checked if the PRP paths of 6GK7442-1RX00-0XE0 are wired but redundancy does not work?
        For 6GK7442-1RX00-0XE0, verify that X2P1 reaches LAN A and X2P2 reaches LAN B throughout the PRP network. Reversed path identities can cause tagged copies to arrive through the wrong network.
        How does 6GK7442-1RX00-0XE0 react to a duplicate IP address during startup and during RUN?
        If 6GK7442-1RX00-0XE0 detects the conflict while starting, it remains in STOP and records the event. If the duplicate appears during RUN, the processor stays in RUN, lights the bus-fault LED, and clears the indication after the conflict is removed.
        Why can programming-device access through 6GK7442-1RX00-0XE0 become slow under heavy communication load?
        Cyclic SEND/RECEIVE calls in OB1 can consume CPU communication resources needed by PG functions. With 6GK7442-1RX00-0XE0, move those calls to a time-controlled OB and choose an interval above the average OB1 cycle time.
        What must be done before changing the active interface on 6GK7442-1RX00-0XE0?
        The Ethernet-versus-RNA selection for 6GK7442-1RX00-0XE0 is stored in its STEP 7 configuration. Download the revised data through the other reachable interface, because the interface being reconfigured cannot carry its own changeover download.
        What should be verified when web diagnostics for 6GK7442-1RX00-0XE0 cannot be opened?
        Confirm that the RNA interface of 6GK7442-1RX00-0XE0 is the active configured path, its IP address is reachable, and the Web option remains enabled in the STEP 7 module properties. The diagnostic pages are served through that network configuration.

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