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      SC-UCNN11 51307573-176

      Redundant RTU Controller
      In Stock
      Ships by Wednesday, October 14
      Fast Shipping Available

      Product Describe：

      Honeywell SC-UCNN11 is the redundant ControlEdge RTU controller assembly with two control processor modules and one IOTA. It provides networked control and acquisition through connected expansion I/O.

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      Technical specifications Information Technical notes FAQ

      Technical specifications for SC-UCNN11 51307573-176

      Technical specifications for SC-UCNN11 51307573-176

      • Manufacturer:
        Honeywell
      • Product Category:
        DCS System
      • Spare Part Number:
        51307573-176
      • Estimated shipping dimensions:
        5.6x12.6x13cm
      • Weight:
        0.26 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        USA
      • Controller assembly:
        2 CPMs and 1 IOTA; redundant configuration
      • Onboard mixed I/O:
        Not included; use expansion I/O
      • Processor:
        Dual-core 32-bit ARM Cortex-A9, 667 MHz
      • RAM / flash:
        512 MB / 256 MB
      • Nonvolatile memory:
        16 Mbits; 20+ years data life, no battery
      • Power-input ports:
        2
      • Rated input:
        24 Vdc +/-25%; 18-30 Vdc
      • Maximum ripple:
        120 mVpp
      • Maximum input current:
        1.30 A at 30 Vdc; redundant controllers plus 9 IOMs
      • Ethernet:
        4 ports across 2 CPMs; 10/100BaseTx
      • Network segmentation:
        Same or different subnets
      • Serial interfaces:
        2 RS232 and 2 RS485
      • Execution / RTC:
        Cycle >=20 ms; RTC resolution 1 ms
      • Time synchronization:
        SNTP or DNP3
      • Expansion capacity:
        30 IOMs; 5 rows; maximum 9 IOMs per row
      • EFM meter runs:
        Maximum 12; SP-MRUN01 required per run
      • Power, minimum:
        5.76 W at 24 Vdc; no serial, only Ethernet 1 active
      • Power, no expansion:
        6.72 W at 24 Vdc; 4 serial ports and Ethernet 1-4 active
      • Power, expansion:
        6.96 W at 24 Vdc; 4 serial and Ethernet 1-5 active; excludes IOMs/instruments
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      Information

      Information

      Overview Manuals Common Applications Product Precautions
      Honeywell SC-UCNN11 is the redundant ControlEdge RTU controller assembly with two control processor modules and one IOTA. It provides networked control and acquisition through connected expansion I/O.
      • Paired control processor architecture
      • Independent Ethernet network configuration
      • Battery-free nonvolatile data retention
      • CPU watchdog with status-LED fault indication

      SC-UCNN11 uses expansion I/O rather than the mixed onboard I/O fitted to the nonredundant controller. Its two CPMs and shared IOTA form the redundant controller assembly, with serial and Ethernet interfaces for the configured RTU and SCADA links.

      Plan the I/O rows, separate network subnets and both power-input paths against the approved remote-station design. Preserve processor configuration and time synchronization, reserve instrument power separately, and verify the end-plate ring before testing communications and the required controller functions. Metering applications also need the appropriate per-run licenses and configured acceptance checks.

      Important Notice: Verify the complete SC-UCNN11 assembly, both CPMs, IOTA and approved redundancy configuration before restoring service.

      Honeywell SC-UCNN11 51307573-176 Manuals & Downloads
      SC-UCNN11 51307573-176 Technical Reference (PDF)SC-UCNN11 51307573-176 Official ControlEdge RTU Specification (PDF)

      Important Notice: The first document is a model-specific technical reference; the second is the unchanged Honeywell ControlEdge RTU specification covering this controller. Use the current installation and project records for final configuration.

      Redundant remote controlUse the two-CPM assembly for the approved ControlEdge RTU redundancy architecture.
      Segmented SCADA connectivityAssign the Ethernet interfaces to the same or different subnets according to the station network design.
      Multirow I/O acquisitionConnect mixed-I/O modules through the designated expansion end plates and ring network.
      Electronic flow meteringConfigure licensed meter runs within the redundant-controller capacity and the approved metering application.
      Verify the complete SC-UCNN11 assembly, both CPMs, IOTA and approved redundancy configuration before restoring service.
      1Identify both CPMs and the shared IOTA before replacement.
      2Isolate affected power and field energy under the site procedure.
      3Check both power-input paths against the redundant cabinet drawing.
      4Keep the input within 18-30 Vdc and the specified ripple limit.
      5Do not assign onboard mixed I/O to this redundant controller.
      6Document subnet assignments and configured serial connections.
      7Verify expansion end plates, CAT-5 ring cabling and row limits.
      8Confirm synchronization, diagnostics and controlled application tests before handover.

      Technical notes

      Technical notes

      SC-UCNN11 includes two CPMs and one IOTA, without onboard mixed I/O; it provides 512 MB RAM, 256 MB flash and 16 Mbits nonvolatile memory. Power-sizing figures exclude connected instruments and expansion IOM loads.

      FAQS

      • What hardware is supplied as the SC-UCNN11 controller assembly?
        The ordering table specifies two control processor modules (CPMs) and one IOTA as a complete redundant controller.
      • Does SC-UCNN11 contain the 28 mixed onboard I/O points?
        No. The redundant-controller hardware summary shows no onboard mixed I/O. Use the documented expansion I/O arrangement for field channels.
      • How much nonvolatile storage is available without a battery?
        The redundant controller has 16 Mbits of nonvolatile memory, with a specified data life of more than 20 years and no battery requirement.
      • Can its Ethernet connections be placed on different subnets?
        Yes. The four ports across the two CPMs may be on the same or different subnets; each uses auto-detecting 10/100BaseTx.
      • How many power-supply ports are provided?
        The redundant controller provides two power-supply ports. The specified input range is 18-30 Vdc with a maximum ripple of 120 mVpp.
      • What are the cycle and time-synchronization limits?
        The execution cycle is 20 ms or longer. The real-time clock resolves 1 ms, and synchronization is supported through SNTP or DNP3.
      • How are additional expansion rows connected?
        Dedicated left/right end plates and CAT-5 straight or crossover cables complete the expansion ring. Cable length is limited to 100 m; the controller supports up to five rows.
      • What is required for twelve electronic flow-meter runs?
        The redundant controller supports up to twelve meter runs, with one SP-MRUN01 license required for each run per RTU.
      Trusted by 5,000+ plants worldwide | Backed by our vast inventory of top-tier control parts, modules and cards, fast shipments are dispatched to cover your urgent needs. ABOUT US >>
      Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

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