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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power supplies top-grade Triconex 3604E replacement hardware, offering industrial facilities a trusted source for critical automation components to maintain continuous and efficient plant operations.

        3604E

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        1001 reviews ｜ Need a Specific Revision?
        The TRICONEX 3604E digital output module is a key component in high-integrity control systems, designed to provide reliable digital output functionality in harsh industrial environments.
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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 3604E

        • Manufacturer:
          Invensys
        • Part Number:
          3604E
        • Product Family:
          Triconex
        • Product Type:
          Digital Output Module
        • Stock:
          1
        • Nominal Voltage:
          24 VDC
        • Type:
          TMR
        • Output Signals:
          16, non-commoned
        • Voltage Range:
          22-45 VDC
        • Voltage Drop:
          < 4V, typical
        • Frequency Range:
          n/a
        • Load Leakage:
          2 mA maximum
        • Point Isolation:
          1500 VDC
        • Weight:
          2.84 kg
        • Estimated shipping dimensions:
          2.2x40.5x40cm
        • 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 Specifications Applications Monitoring & Control Communication & Connectivity

        Features:

        • Digital Output Interface Between the TRICON Safety System and Field Devices
        • Integrates 24 VDC Signal Driving with Triple Modular Redundant Channel Protection
        • Functions Within Standard TRICON Chassis Architectures for Critical Control Applications
        The TRICONEX 3604E serves as the Digital Output Module in a TRICON safety instrumented system, delivering reliable 24 VDC control signals to sixteen independent field device circuits. It continuously processes high-integrity output commands from the triple modular redundant processors and converts these logic states into switched 24 VDC outputs capable of driving solenoids, relays, and indicating devices. Seamless output continuity is inherent with the 3604E, however utilizing the built-in TMR voting architecture ensures that individual channel failures do not result in dangerous output states or spurious shutdowns. The 3604E has made improvements in channel isolation and diagnostic capability over previous digital output designs, while incorporating non-commoned output configurations that eliminate ground loop concerns within the TRICON rack.

        The 3604E provides essential output driving functions essential to the entire safety system, and is a critical component of the emergency shutdown path, directly affecting the proper, protective operation of the overall control architecture. One or multiple 3604E modules are required per rack depending on the discrete output count and redundancy requirements. The 3604E occupies only a single slot in the chassis and may be located in any available I/O slot position, communicating with the main processors through the high-speed TriBus backplane interface.

        For Triple Modular Redundant applications, the 3604E utilizes three independent output circuits per channel, each associated with a separate processor leg. In addition to standard digital output operation, the TMR configuration also performs continuous diagnostic voting. The 3604E redundant architecture executes output decisions using the internal voter circuitry specified in the module design. Using this method, the 3604E continually monitors the health of all three output paths on every channel. If the module detects that one output circuit disagrees with the other two (outside configured voltage/tolerance levels), it will automatically continue operation with the majority vote state, flag the discrepancy for maintenance, and place a diagnostic event in the System Event List.

        The 3604E TRICONEX Digital Output Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        TRICONEX 3604E Digital Output Module 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.
        TRICONEX 3604E Digital Output Module Specs

        General

        • Manufacturer TRICONEX
        • Model 3604E
        • Condition New Original ready stock
        • Product Family 3607E,3601E,3601T,3603B
        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 (ESD): Driving final control elements like solenoid valves and trip relays to safe states during process upsets.
        • Burner Management Systems (BMS): Managing safe sequencing, fuel isolation, and ignition interlocks for boilers and furnaces.
        • Fire and Gas Systems: Activating critical response devices such as sirens, beacons, and deluge valves.
        • Equipment Protection: Controlling motor starters and contactors for safety-related interlocks in reactors or compressors.
        • TMR Voting: Processes signals through three independent channels and uses a quadruplicated voting circuit to ensure a single, reliable output reaches field devices.
        • Comprehensive Diagnostics: Features continuous self-diagnostics that monitor for short circuits, open circuits, and leakage.
        • Voltage Loopback: A built-in circuit verifies the actual output switch state independently of the load, detecting latent faults.
        • Status Indicators: Includes per-point On/Off LEDs and module-level "PASS," "FAULT," and "ACTIVE" indicators for rapid troubleshooting.
        • Backplane Interface: The 3604E communicates directly with the Tricon Main Processors via the TMR backplane; it does not have external communication ports on the module itself.
        • System-Level Connectivity: Through optional Tricon Communication Modules (TCM), the system integrates with supervisory highways using protocols like Modbus (TCP/RTU), OPC, and DNP3.
        • Field Wiring: Connections are made via an External Termination Panel (ETP), which separates the control electronics from plant field wiring.
        • Hot-Swapping: Supports online module replacement ("Hot-Swap"), allowing for maintenance without interrupting the industrial process.
        Description
        The TRICONEX 3604E Digital Output Module represents a critical component in high-integrity control systems, engineered to deliver reliable digital output functionality in demanding industrial environments. The 3604E module operates at 24 VDC voltage and features comprehensive opto-isolation technology that ensures electrical separation between field devices and the control system electronics. This 3604E unit incorporates a non-commoned output configuration, providing individual channel isolation that enhances system flexibility and fault tolerance capabilities. With its TMR (Triple Modular Redundant) architecture, the 3604E delivers exceptional safety integrity levels by utilizing three independent processing channels that continuously vote on output states to eliminate single points of failure.

        The 3604E Digital Output Module provides 16 discrete output points, offering substantial capacity for controlling diverse field devices such as solenoid valves, motor starters, and indicator lamps. This 3604E module is specifically designed to handle critical safety shutdown applications where output signal integrity directly impacts process safety and equipment protection. The opto-isolated design of the 3604E effectively addresses ground loop issues and electrical noise interference that commonly plague industrial control systems, ensuring clean signal transmission even in electrically harsh environments. The non-commoned output structure of the 3604E enables independent wiring configurations for each channel, allowing engineers to route outputs to different field locations without sharing common connections, thereby reducing wiring complexity while maintaining isolation integrity.

        This 3604E output module is purpose-built for safety instrumented systems (SIS) and emergency shutdown systems (ESD) where TMR redundancy is mandatory for achieving SIL 3 safety ratings. The 3604E excels in oil and gas production facilities, chemical processing plants, and power generation stations where digital output reliability can prevent catastrophic incidents. The TMR architecture of the 3604E continuously monitors output channel health through diagnostic routines that detect and alarm potential failures before they compromise safety functions. By combining 24 VDC compatibility with robust opto-isolation and triple modular redundancy, the 3604E Digital Output Module delivers the high-availability performance required for mission-critical control applications where downtime and safety violations carry severe operational and financial consequences.
        Alternative Names
        36O4E 3805E 3504E 3700A 3503E 3805EN
        Technical notes
        The 3604E is a high-integrity digital output module within the Triconex safety instrumented system (SIS), featuring a Triple Modular Redundancy (TMR) architecture that ensures fault tolerance by processing output signals across three independent channels.
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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
        What is the TRICONEX 3604E Digital Output Module?
        The TRICONEX 3604E is a high-integrity digital output module designed for use in safety-critical industrial control systems. It provides reliable 24 VDC output control and is engineered to perform in demanding environments where system dependability is essential.
        What is the significance of the TMR architecture in the 3604E?
        The TRICONEX 3604E operates within a Triple Modular Redundant (TMR) architecture. This means it uses three independent processing channels that continuously vote on output states, eliminating single points of failure and ensuring high system reliability.
        How does the 3604E improve signal integrity in industrial environments?
        The TRICONEX 3604E uses opto-isolation to protect against electrical noise and ground loop issues. This ensures clean and stable signal transmission even in electrically noisy or harsh industrial settings.
        What are the advantages of the non-commoned output configuration?
        With its non-commoned output design, the TRICONEX 3604E allows each channel to be wired independently. This reduces wiring complexity, enhances system flexibility, and maintains isolation between circuits.

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