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        IOP301

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Metso Automation IOP301 is a maxPAC isolated analog input module that acquires current and voltage field measurements across sixteen channels.
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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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        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.
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        Technical specifications for IOP301

        • Manufacturer:
          Metso Auttomation
        • Part Number:
          IOP301
        • Product Family:
          Metso Auttomation
        • Product Type:
          maxPAC Isolated Analog Input Module, 16 Channels
        • Stock:
          1
        • Input channels:
          16 isolated high-level analog inputs
        • Signal duties:
          Current or voltage input
        • Current span:
          4–20 mA
        • Voltage span:
          0–2.4 V
        • Conversion method:
          Sigma-delta
        • Resolution:
          15 bits plus sign
        • Scan interval:
          100 ms
        • Reference accuracy:
          ±0.1% at 25°C
        • Field-to-logic isolation:
          1500 Vac
        • Channel-to-channel isolation:
          500 Vac
        • Current input resistance:
          300 ohms
        • Voltage input resistance:
          1 Mohm
        • Module supply:
          24 V, 400 mA
        • Tariff Code:
          Please confirm the destination before shipping
        • Country of origin:
          Finland
        • 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 Loop Power Design Conversion Behavior Point Commissioning Product Applications

        Features:

        • Per-channel isolation: helps separate mixed field circuits when a fault or ground issue is localized.
        • Mixed signal duty: lets one maxPAC station handle approved current and voltage points with distinct configuration.
        • Current-input continuity: documented IOP302 pin compatibility can simplify a carefully controlled wiring review.
        IOP301 is intended for high-level field measurements that need a defined electrical boundary at each channel.

        Its value in a mixed cabinet comes from keeping loop-power and scaling decisions visible at the point level.

        A point-by-point signal test distinguishes field, configuration and conversion issues without disturbing unrelated channels.

        Apter Power can support documents, quotation and maxPAC application review for Metso Automation IOP301.
        Metso Automation IOP301 maxPAC Isolated Analog Input Module, 16 Channels 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.
        • Field-supplied loops: transmitter power remains outside the module, so polarity and the complete voltage budget stay with the field circuit.
        • System-supplied loops: the approved station wiring establishes where excitation enters and how the return reaches the input.
        • Compliance margin: module loading, cable loss and transmitter demand must fit within the available supply before a loop can reach full scale.
        • Mode separation: voltage points should not inherit current-loop assumptions simply because they share the same module.
        • Deterministic scan: the documented conversion cadence provides a baseline for separating normal acquisition delay from abnormal point behavior.
        • Engineering scaling: raw conversion and controller units must describe the same configured span or the displayed value will be credible but wrong.
        • Reference testing: one stable injected value reveals offset, polarity and range assignment without turning the exercise into transmitter tuning.
        • Channel isolation: comparing one affected point with an adjacent healthy point helps narrow common wiring issues from channel-specific faults.
        • Terminal map: the recorded point assignment keeps current and voltage duties from being crossed during cabinet work.
        • Controlled injection: a known field value is followed through the controller before alarms or control actions are released.
        • Alarm proof: the team confirms that the restored engineering value drives the intended limits and sequence response.
        • Process transmitters: acquires isolated current measurements from pressure, flow, level and other plant instruments.
        • Voltage measurement points: brings approved high-level voltage sources into the maxPAC station without treating them as current loops.
        • Mixed analog cabinets: supports stations where field points use different signal and power arrangements.
        • Point-by-point modernization: retains a documented maxPAC channel structure while surrounding instruments are serviced in stages.
        Description
        IOP301 forms the high-level analog acquisition boundary in a Metso Automation maxPAC station. Its isolated channel architecture lets a cabinet combine transmitter loops and voltage sources without treating every field point as one shared electrical domain.

        In mixed-signal stations, IOP301 gives engineers a defined conversion path for current and voltage duties. The configuration of each point determines how loop power, input loading and controller scaling interact, so the module can serve different instruments while keeping their engineering treatment distinct.

        For service work, technicians should map terminal use and channel mode before moving wiring. A controlled signal applied to IOP301 can then be followed from the field terminal through the displayed engineering value, helping the team separate wiring, scaling and module faults.
        Alternative Names
        Metso IOP301 Metso Automation IOP301 maxPAC IOP301 IOP 301 IOP-301 IOP301 analog input module IOP301 maxPAC module Metso part IOP301
        Technical notes
        IOP301 supports both high-level current and voltage duties, but the selected channel mode also determines loop loading and power treatment. To avoid a convincing but incorrect controller value, compare terminal signal, polarity and engineering scaling during one controlled point test before the channel resumes automatic action.
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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
        A field-powered loop reads correctly, but a system-powered loop on IOP301 does not. Where should diagnosis begin?
        Start with the selected loop-power path, terminal polarity and available compliance voltage. Apter Power can help compare the installed wiring with the maxPAC channel arrangement before settings are changed.
        Several IOP301 channels show the right signal at the terminals but the wrong engineering units. What should be reviewed?
        Compare each channel mode and scaling record with the controller configuration. When terminal measurements are correct, a shared scaling or point-assignment error is more likely than simultaneous transmitter failure.
        Can an IOP302 current-input wiring record be reused when an IOP301 is being evaluated?
        The guide notes current-input pin and function compatibility, which is useful for planning. The team should still confirm the actual channel modes, loop-power arrangement and approved station documentation.
        An IOP301 point becomes noisy only when nearby equipment starts. Which parts of the installation deserve attention?
        Review shield termination, field grounding, cable routing and the affected channel reference. The module isolation boundary helps localize the investigation, but it does not correct an unsuitable field installation.
        The controller value from IOP301 changes more slowly than the injected test signal. How should that symptom be separated from a fault?
        Compare the module scan behavior and any controller-side filtering with the expected point response. A staged input test can show whether the delay belongs to conversion, software filtering or the field source.
        What information helps Apter Power review IOP301 for an existing maxPAC station?
        The complete module label, connector view, channel-use record and station documentation help our team assess the requested hardware without assuming that a similar analog card has the same field arrangement.

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