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      NWIO-01 64168533

      Watchdog and Digital I/O Module
      In Stock
      Ships by Tuesday, October 6
      Fast Shipping Available

      Product Describe：

      ABB NWIO-01 is a watchdog and digital I/O option module for documented AC 800M/CI858 DriveBus or ACS 600 Special I/O installations. It provides two individually isolated digital inputs, two relay outputs and a selectable watchdog function on DO2.

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      Technical specifications Information Alternative names Technical notes FAQ

      Technical specifications for NWIO-01 64168533

      Technical specifications for NWIO-01 64168533

      • Manufacturer:
        ABB
      • Product Category:
        DCS System
      • Spare Part Number:
        64168533
      • Estimated shipping dimensions:
        4.5x10.8x7.5cm
      • Weight:
        0.18 kg
      • Tariff Code:
        8537101190
      • Counliy of origin:
        Sweden
      • ABB item number:
        64168533
      • Module type:
        Watchdog and digital I/O option unit
      • Digital inputs:
        2
      • Input voltage alternatives:
        24 VDC or 115/230 VAC
      • Input isolation:
        Individually isolated
      • Input hardware filter:
        1 ms or 8 ms selectable
      • Relay outputs:
        2
      • Maximum continuous relay current:
        2 A
      • Relay capacity at 24 VDC:
        8 A resistive
      • Relay capacity at 120 VDC:
        0.4 A resistive
      • Relay capacity at 250 VAC:
        2000 VA
      • Watchdog output:
        DO2 when selected
      • Watchdog time:
        1 s default; 0.2 s via X1
      • Function blocks:
        NWIO1DI and NWIO1DO
      • Network:
        DDCS Special I/O fibre-optic ring
      • Device address:
        S1 switch; must match hardware-tree ID
      • Task interval for 1 s watchdog:
        Below 100 ms
      • Task interval for 0.2 s watchdog:
        Below 20 ms
      • CI858 ring capacity:
        Up to 12 Special I/O units
      • Ring data rate:
        Two dataset pairs per millisecond
      View as PDF Ask for Quote

      Information

      Information

      Overview Manuals Common Applications Product Precautions
      NWIO-01 provides supervised digital I/O and a selectable watchdog output for the documented ABB Special I/O ring.
      • Exact NWIO-01 / 64168533 identity
      • Two individually isolated digital inputs
      • Two relay outputs with selectable watchdog on DO2
      • DDCS Special I/O ring with NWIO1DI and NWIO1DO function blocks

      The module remains matched to the installed AC 800M/CI858 DriveBus or ACS 600 Special I/O position, its DDCS ring address and the recorded field circuits. Commissioning preserves the installed topology and verifies every input, output and watchdog response.

      Important Notice: Confirm NWIO-01, ABB item number 64168533, S1 address, X1 watchdog selection, input voltage class, relay loads, DDCS ring, function-block configuration and controlled acceptance evidence before release.

      ABB NWIO-01 Manuals & Downloads

      These documents are different: the first consolidates verified product and system data; the second provides installation checks, commissioning steps and acceptance records.

      AC 800M DriveBus watchdog supervision
      Monitors the controller application, communication and optical Special I/O ring state.
      ACS 600 Special I/O interface
      Connects two documented digital inputs and two relay outputs through the DDCS ring.
      Drive-system permissive and alarm logic
      Uses isolated inputs and relay outputs with the recorded voltage and load classes.
      Controlled maintenance replacement
      Restores the exact S1 address, X1 selection, terminal map and fibre-optic topology.
      Read the applicable ABB installation instructions before work. Verify NWIO-01, the installed host system and all configured field interfaces before isolation, wiring or commissioning.
      1
      Confirm NWIO-01 and ABB item number 64168533 on the module and maintenance record.
      2
      Place the controller, drive system and connected process in the approved maintenance state.
      3
      Isolate field power and the Special I/O ring before removing wiring or optical connections.
      4
      Record S1 device number, X1 watchdog-time selection, input voltage class and every terminal assignment.
      5
      Confirm each input uses the documented 24 VDC or 115/230 VAC circuit and the selected 1 ms or 8 ms filter.
      6
      Confirm DO1 and DO2 loads remain within the documented relay ratings before reconnection.
      7
      Match the hardware-tree ID to S1, restore the DDCS ring and verify NWIO1DI/NWIO1DO diagnostics.
      8
      Test both inputs, both outputs and the selected 1 s or 0.2 s watchdog response before release.

      Alternative Names

      Alternative Names

      ABB NWIO-01; ABB 64168533; NWIO 01

      Technical notes

      Technical notes

      Install NWIO-01 only in the documented ABB Special I/O ring position. Preserve the S1 device address, X1 watchdog-time selection, input voltage class, relay-load limits and DDCS fibre-optic topology; then verify NWIO1DI/NWIO1DO diagnostics and controlled channel response.

      FAQS

      • What function does NWIO-01 perform?
        ABB identifies NWIO-01 as a digital I/O option unit with two digital inputs, two relay outputs and a watchdog function that can be assigned to DO2.
      • Which input voltage classes does NWIO-01 support?
        The documented input alternatives are 24 VDC or 115/230 VAC; confirm the installed execution and field wiring before connection.
      • How are the NWIO-01 inputs filtered and isolated?
        Each input is individually isolated, and hardware filtering is selectable between 1 ms and 8 ms.
      • What relay-output limits apply to NWIO-01?
        ABB documents two relay outputs, 2 A maximum continuous current, 8 A at 24 VDC resistive, 0.4 A at 120 VDC resistive and 2000 VA at 250 VAC.
      • How is the NWIO-01 watchdog assigned to DO2?
        A slide switch connects the watchdog logic to DO2; software can otherwise control DO2 when the watchdog assignment is not selected.
      • Which watchdog times and task intervals apply?
        The default watchdog time is 1 s, with 0.2 s selected at X1. ABB requires task execution below 100 ms for 1 s and below 20 ms for 0.2 s.
      • How is NWIO-01 addressed on the Special I/O ring?
        Set the device number with S1 and configure the same ID in the hardware tree before restoring the DDCS fibre-optic ring.
      • What evidence accepts NWIO-01 after installation?
        Retain the exact identity, S1 and X1 settings, terminal map, DDCS-ring restoration, NWIO1DI/NWIO1DO diagnostics and controlled tests of DI1, DI2, DO1, DO2 and the watchdog.
      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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