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        • Lifecycle status

          Discontinued / Obsolete by OEM
          Apter Power assists with HE800THM100 sourcing, channel data and sensor-configuration matching.

        HE800THM100

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        1001 reviews ｜ Need a Specific Revision?
        Horner HE800THM100 brings four thermocouple or millivolt measurement channels into a compatible SmartStack controller for multi-point temperature monitoring.
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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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        Technical specifications for HE800THM100

        • Manufacturer:
          HORNER
        • Part Number:
          HE800THM100
        • Product Family:
          HORNER
        • Product Type:
          4-Channel Thermocouple/Millivolt Input Module
        • Stock:
          1
        • Input Channels:
          4
        • Thermocouples:
          J, K, T, E, C, R, S
        • mV Selections:
          ±25, ±50, ±100 mV
        • Resolution:
          0.05°C
        • Input Points:
          4
        • 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 Channel Layout Temp Formats A/D Conversion Open-Sensor Action

        Features:

        • Measures four independent thermocouple or millivolt inputs.
        • Converts temperature with 0.05°C resolution.
        • Allows configurable filtering and 50/60 Hz rejection.
        Horner HE800THM100 is the four-channel metal SmartStack ordering configuration in the THM000/100 temperature-input family.

        Four signal positions support multi-zone monitoring, redundant temperature checks or a group of low-level mV measurements in one module.

        Match every channel’s sensor family, polarity, compensation and scaling choice to the attached field device.

        The Horner HE800THM100 Four-Channel Temperature Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Horner HE800THM100 4-Channel Thermocouple/Millivolt Input 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.

        HE800THM100 Four-Channel Connection Arrangement

        • Measurements: Four thermocouple or mV channels are available.
        • Terminals: Each channel has positive, negative and shield connections.
        • Register Use: Four analog input points are assigned.
        • Update Basis: Module data is presented according to the PLC scan.

        HE800THM100 Selectable Temperature Data Formats

        • Celsius: Cscape can return readings in selectable °C increments.
        • Fahrenheit: Corresponding °F formats are available.
        • Fine Resolution: The smallest temperature step is 0.05 degree.
        • Range Limit: Maximum displayed value depends on the chosen register resolution.

        HE800THM100 Analog-to-Digital Processing

        • Converter: An integrating A/D method processes the inputs.
        • Throughput: Conversion time is stated as sixteen channels per second.
        • Impedance: Inputs are 10 MΩ and clamped at ±24 VDC.
        • Common Mode: The permitted common-mode range is ±12 VDC maximum.

        HE800THM100 Open-Thermocouple Indication

        • Fault Direction: An open thermocouple produces a high-temperature response.
        • Polarity Check: Reversed leads can produce incorrect temperature movement.
        • Shield Path: Dedicated shield terminals are provided for each channel.
        • Grounded Sensors: Isolation practice must account for grounded thermocouples.
        Description
        Horner HE800THM100 is a four-channel thermocouple and millivolt input module for metal SmartStack systems. Its four independent signal positions let one controller compare several process temperatures or collect low-level bipolar voltage data without splitting the task across two smaller modules.

        Horner HE800THM100 supports J, K, T, E, C, R and S thermocouples, plus ±25 mV, ±50 mV and ±100 mV selections. Temperature conversion uses 0.05°C resolution and the controller register can be interpreted in selectable Celsius or Fahrenheit formats.

        Internal and external cold-junction compensation are available, and an external AD592 must be calibrated with the module when that mode is used. Horner HE800THM100 also offers digital filtering and 50/60 Hz rejection, allowing response stability to be tuned for the electrical environment rather than applying one fixed setting to every installation.
        Alternative Names
        HE800-THM100 HE 800 THM 100 HE800 THM100 HETHM100 HE-THM100 Horner HE800THM100 SmartStack THM100 HE800THM100 Temperature Module
        Technical notes
        Horner HE800THM100 provides four integrating thermocouple/millivolt channels and maps four analog input points. Open-thermocouple detection drives the affected reading toward a high-temperature indication.
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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
        Can different sensor types be connected to separate Horner HE800THM100 channels?
        Horner HE800THM100 provides per-channel sensor selection in Module Setup, so each connection can be configured for the thermocouple or millivolt range physically attached.
        Why is one Horner HE800THM100 channel unstable while the other three are steady?
        For Horner HE800THM100, inspect that channel’s polarity, shield, sensor type and terminal contact, then compare its filter and rejection settings with the stable points.
        How should Horner HE800THM100 data be converted from the controller register?
        Horner HE800THM100 uses the selected temperature increment or millivolt conversion factor; the register value must be scaled with the matching Cscape format.
        What does Horner HE800THM100 do when a thermocouple opens?
        Horner HE800THM100 sends an open thermocouple toward a high-temperature response, helping the control logic identify a broken or disconnected sensor.
        When is external compensation appropriate for Horner HE800THM100?
        Horner HE800THM100 can use an external AD592 when junction sensing is needed away from the module, but that specific sensor must be calibrated with the unit.
        How can electrical noise be reduced on Horner HE800THM100 measurements?
        Horner HE800THM100 offers an adjustable digital filter and 50/60 Hz rejection; use proper shielding and select settings that balance steadiness with required response time.

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