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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power helps source HE800MIX902 and verify signal and load compatibility.

        HE800MIX902

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Horner HE800MIX902 is a SmartStack mixed I/O module combining current-loop analog channels with bidirectional digital inputs and sourcing outputs.
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        Ships by Wednesday, October 28
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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.
        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 HE800MIX902

        • Manufacturer:
          HORNER
        • Part Number:
          HE800MIX902
        • Product Family:
          HORNER
        • Product Type:
          Mixed Analog and Digital I/O Module
        • Stock:
          1
        • Analog Inputs:
          4 channels, 0-20.47 mA
        • Analog Outputs:
          2 channels, 0-20.47 mA
        • Digital Inputs:
          8 bidirectional, 12-24 VDC
        • Digital Outputs:
          8 sourcing channels
        • Analog Resolution:
          12-bit
        • Weight:
          0.595 lbs (0.27 kg)
        • 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 Analog I/O Digital I/O Accuracy Use Cases

        Features:

        • Combines analog and digital field points in one module.
        • Handles 0-20.47 mA input and output loops.
        • Provides eight bidirectional inputs and eight sourcing outputs.
        The Horner HE800MIX902 concentrates process measurement and discrete control in one SmartStack location, reducing the number of separate I/O modules needed on a compact machine.

        Its current channels and digital banks use different supply and common arrangements, so field documentation should show their return paths separately even though they share one module.

        Conversion occurs with the controller scan, while discrete response is specified independently; control logic should therefore account for the different timing of analog values and on/off points.

        The Horner HE800MIX902 Mixed Analog and Digital I/O Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        HE800MIX902 Mixed Analog and Digital I/O Module Manuals, Datasheets, Links 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.
        • Current Inputs: Four 0-20.47 mA channels bring process transmitters into the controller with 12-bit conversion during the scan.
        • Current Outputs: Two analog outputs drive compatible current loops, but each loop depends on an external 4-30 VDC supply.
        • Signal Returns: Keeping analog commons and shield routing controlled reduces the chance that switching currents distort low-level measurements.
        • Bidirectional Inputs: Eight 12-24 VDC points accept field state through a shared common, supporting common machine sensors within one bank.
        • Sourcing Outputs: Eight channels supply positive field voltage to loads and therefore require compatible load polarity and return wiring.
        • Load Behavior: Output selection must consider both normal current and turn-on inrush so a valid steady load does not exceed the switching limit at startup.
        • Conversion Method: Successive-approximation conversion provides a defined digital representation of each current input instead of a threshold-only indication.
        • Input Protection: The documented input network includes resistance and clamping behavior, but external wiring must still prevent sustained overcurrent.
        • Scan Timing: Analog updates follow the controller scan, so fast process changes may need logic that distinguishes update rate from electrical bandwidth.
        • Compact Process Skids: Current transmitters, valves and local switches can be served from one stack position when point counts fit the module.
        • Utility Panels: Mixed measurement and discrete control suit small pump, temperature or pressure panels with limited expansion space.
        • Retrofit Consolidation: A replacement design can reduce separate analog and digital modules if commons, supplies and controller mapping are reviewed together.
        Description
        Combining several signal classes in one stack position, the Horner HE800MIX902 connects four 0-20.47 mA analog inputs, two current outputs and sixteen discrete field points to a compatible controller. This arrangement is useful where a compact machine needs both process signals and local on/off control.

        The analog input path uses 12-bit successive-approximation conversion and updates during the controller scan. Eight bidirectional 12-24 VDC inputs share a common, while the eight digital outputs source field power and use pull-down behavior to establish an off-state reference.

        Each analog output requires an external 4-30 VDC loop supply, and the digital load bank must remain within the documented steady-state and inrush limits. When applying the Horner HE800MIX902, keep analog return paths, digital commons and output power distribution distinct so one field circuit does not compromise the others.
        Alternative Names
        HE800-MIX902 HE 800 MIX 902 HE800 MIX902 HE-MIX902 Horner HE800MIX902 SmartStack MIX902 MIX902 Mixed I/O HE800MIX902 I/O Module
        Technical notes
        Horner HE800MIX902 combines four current inputs, two current outputs, eight digital inputs and eight sourcing outputs. Its analog channels use a 12-bit signal path.
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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 does a current input on Horner HE800MIX902 read zero with a powered transmitter?
        For Horner HE800MIX902, check loop continuity, polarity, the analog common and whether the transmitter current actually passes through the selected input channel.
        Why will an analog output on Horner HE800MIX902 not drive its load?
        Horner HE800MIX902 analog outputs need an external 4-30 VDC loop supply; verify that supply, load resistance and return path before changing the controller value.
        Can Horner HE800MIX902 digital outputs drive high-inrush devices directly?
        Horner HE800MIX902 outputs must stay within both steady-state and inrush ratings, so contactors or solenoids with larger startup current need an interposing device.
        How should analog and digital commons be handled on Horner HE800MIX902?
        Horner HE800MIX902 combines signal types but their supply and return paths should follow the manual separately, avoiding shared wiring that carries output-switching current through analog references.
        Why do Horner HE800MIX902 analog values update differently from digital points?
        Horner HE800MIX902 performs analog conversion with the controller scan, while digital response follows its own input and output timing; application logic should allow for that difference.
        What must be compared before replacing another mixed module with Horner HE800MIX902?
        Before using Horner HE800MIX902, compare current ranges, sourcing polarity, point commons, loop supplies, channel mapping and load current rather than matching only the total I/O count.

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