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        MSR04XI

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        1001 reviews ｜ Need a Specific Revision?
        MSR04XI is a serial communications module for Triguard SC300E, providing RS232 interface with 4 ports, 1kV isolation, single fault tolerance, and hot repair capability.
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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.
        Shipping Mode
        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 MSR04XI

        • Manufacturer:
          ABB
        • Part Number:
          MSR04XI
        • Product Family:
          ABB Advant OCS and Advant-800xA
        • Product Type:
          Communications Module
        • Number of Ports:
          4 (Ports 0-3) + 1 diagnostic port
        • Communication Rates:
          9600 or 19200 Baud
        • Port Configuration:
          Ports 0 & 1 independent; Ports 2 & 3 same baud rate
        • Isolation:
          1kV on Ports 0-3
        • Fault Tolerance:
          Single fault tolerant (circuit triplication + voting)
        • Hot Repair:
          Single slot hot repair capable
        • Power Consumption:
          3.5W
        • Operating Temperature:
          +5°C to +60°C
        • Storage Temperature:
          -25°C to +70°C
        • Humidity:
          5% to 95% non-condensing @ <40°C
        • Estimated shipping dimensions:
          2.6x40x39.8cm
        • Tariff Code:
          8517795000
        • Country of origin:
          Sweden
        • 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 Specifications Application Communications Safety & Compliance

        Features:

        • Utilizes circuit triplication and voting procedures, ensuring continuous operation even if one internal circuit fails. Front panel On Line indicators show the status of each triplicated circuit.
        • Provides four RS232 ports (0-3) with 1kV isolation each. Supports single slot hot repair, allowing module replacement without system shutdown. A front panel switch enables offline request.
        • The module installed in Slot 10 enables essential workstation link for application loading, ladder monitoring, and diagnostic functions.
        The MSR04XI is engineered for safety-critical applications where communication reliability is paramount. It employs circuit triplication—three independent circuits operating in parallel—with voting procedures to determine the correct output. This architecture makes the MSR04XI single fault tolerant: if any one of the three internal circuits fails, the remaining two continue to operate correctly, and the system continues to function without interruption. The front panel provides three On Line indicators (one for each circuit), allowing maintenance personnel to quickly identify the health of each triplicated path.

        The MSR04XI provides four independent RS232 serial communication ports (Ports 0 through 3), each with 1kV isolation. This high isolation voltage protects the Triguard system from ground loops, voltage spikes, and electrical noise that may be present on field communication cables. The isolation also prevents faults on one communication channel from affecting other channels or the main system backplane. Ports 0 and 1 can be configured independently for 9600 or 19200 baud, while Ports 2 and 3 must share the same baud rate setting. For field maintenance, the MSR04XI supports single slot hot repair.

        The MSR04XI plays an essential role in the Triguard SC300E system architecture. At least one MSR04XI must be installed in Slot 10 of the main chassis to establish the workstation link. This link is the primary pathway for loading application software from a configuration workstation into the Triguard processors. It also enables online monitoring of ladder logic execution, allowing engineers to debug programs and verify system operation without stopping the process. The diagnostic capabilities accessible through the MSR04XI include viewing system status, fault logs, and I/O conditions. For systems requiring additional serial connections beyond the workstation link, extra MSR04XI modules can be installed in any standard I/O slot.

        The MSR04XI ABB Communications Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        ABB MSR04XI Communications Module Manuals, Datasheets, Drivers, 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.
        ABB MSR04XI Communications Module Specs

        General

        • Manufacturer ABB
        • Model MSR04XI
        • Condition New Original ready stock
        • Product Family 07DI92,07EA63R1,07EB62R1,07KP60R101
        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.
        • Emergency Shutdown Systems (ESD): Acts as the secure communication link in oil and gas extraction platforms, refineries, and large chemical plants to safely execute full-plant emergency isolation sequences during critical events.
        • Fire and Gas Systems (F&G): Manages real-time data transmission from flame detectors, toxic/flammable gas sensors, and plant-wide alarm notifications to ensure rapid, coordinated safety mitigation.
        • Turbine Control & Management: Deployed in thermal, nuclear, and combined-cycle power plants to interface with large-scale steam or gas turbines for precise overspeed protection, diagnostic tracking, and interlock control.
        • Independent Multi-Channel Configuration: The front panel features 4 completely independent, identical serial communication ports (Ports 0–3), supplemented by a 5th internal engineering port reserved for system configuration, diagnostics, and firmware maintenance.
        • Versatile Protocol Support: Fully compatible with mainstream open industrial protocols, most notably Modbus RTU and Modbus ASCII, allowing effortless integration with third-party distributed control systems (DCS), human-machine interfaces (HMI), and smart field instruments.
        • Physical Interface Flexibility: Individual ports can be software-configured or hardware-strapped to support RS-232C, RS-422, or RS-485 physical layer standards depending on field distance and noise immunity needs.
        • Functional Safety Standards: As an integral part of the overall Triguard platform, it complies with IEC 61508 and ANSI/ISA S84.01, supporting configurations rated up to SIL 3 (Safety Integrity Level 3) for high-hazard mitigation.
        • Fault-Tolerant Availability: Operates in conjunction with Triguard's fail-safe system mechanics [abb.com]. If an internal sub-circuit or a single communication channel encounters a fault, the system isolates the error instantly, preserving an overall system availability rate exceeding 99.999%.
        • Online Hot Repair Capability: The module is engineered for on-line live hot-swapping. Plant maintenance personnel can remove and replace a faulty MSR04XI card without interrupting the main processor runtime or cutting power, ensuring continuous system operation during field upgrades.
        Description
        The MSR04XI is a serial communications module designed for the Triguard SC300E safety system, providing RS232 interfaces between the system and external devices. At least one MSR04XI must be installed in Slot 10 of the main chassis to enable workstation communications for application loading, ladder monitoring, and diagnostics. 

        The MSR04XI incorporates circuit triplication and voting procedures, making it single fault tolerant. Front panel indicators show Tx/Rx activity, circuit online status, and module health. The MSR04XI supports 'single slot hot repair', allowing module replacement without system shutdown. 

        Ports 0 and 1 on the MSR04XI operate independently, while Ports 2 and 3 must be set to the same baud rate. The MSR04XI provides 1kV isolation on Ports 0 through 3.

        The MSR04XI operates in temperatures from +5°C to +60°C, with storage from -25°C to +70°C. Humidity tolerance is 5% to 95% non-condensing. The MSR04XI is tested and certified to IEC 1131-Part 2 1994 for EMC/RFI immunity and vibration/shock.
        Alternative Names
        MSRO4XI 07BT62R1 07DI92 07EA63R1 07EB62R1 07KP60R101 07KP90 07KR91 GJR5250000R0101
        Technical notes
        The MSR04XI is a single fault tolerant RS232 serial module for Triguard SC300E. Provides 4 ports (9600/19200 baud) with 1kV isolation. Supports single slot hot repair. Requires one module in Slot 10 for workstation communication. Features Tx/Rx, Health, and 3 On Line indicators. Intel microcontroller, 3.5W, 1.3kg. Operating temp: +5°C to +60°C. IEC 1131-2 certified.
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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 must one MSR04XI be installed in Slot 10?
        The MSR04XI in Slot 10 enables workstation communications between SC300E processors and workstations. This link is essential for loading application software, monitoring ladder logic, and accessing diagnostic functions.
        What baud rate options are available on MSR04XI ports?
        Each MSR04XI port (0-3) can be set to either 9600 or 19200 baud. Note that Ports 2 and 3 must be configured to the same baud rate; Ports 0 and 1 operate independently.
        Does MSR04XI support hot repair (online replacement)?
        Yes, the MSR04XI supports single slot hot repair. The module can be replaced while the system remains operational. A front panel switch allows requesting the module to be taken offline before removal.
        What fault tolerance does MSR04XI provide?
        The MSR04XI uses circuit triplication and voting procedures, making it single fault tolerant. If one circuit fails, the remaining two provide continued operation. Front panel Health and On Line indicators show module status.

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