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        3506X

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Triconex 3506X is a 32-point supervised digital input module for Tricon CX, with 24 VDC sensing, force-to-value diagnostics and 1 ms event reporting.
        In Stock
        Ships by Thursday, October 29
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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.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        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 3506X

        • Manufacturer:
          Invensys
        • Part Number:
          3506X
        • Product Family:
          Triconex
        • Product Type:
          Supervised Digital Input Module
        • Stock:
          1
        • Input points:
          32
        • Input architecture:
          TMR supervised
        • Recommended range:
          0 to 28.8 VDC
        • Maximum overvoltage:
          32 VDC
        • Input impedance:
          2.7 kΩ nominal
        • Input delay:
          Less than 3 ms
        • SOE resolution:
          1 ms
        • Channel isolation:
          400 Vrms
        • Module power:
          Less than 8 W
        • EOL resistors:
          Two external 1.69 kΩ, 1%
        • Diagnostic method:
          Force-to-value
        • Installation:
          Tricon CX expansion chassis only
        • Input state processing:
          Voted
        • Field termination:
          External termination panel
        • Hot replacement:
          Per Tricon CX maintenance procedure
        • Operating temperature:
          0 to 60 °C
        • Storage temperature:
          -40 to 85 °C
        • Relative humidity:
          5 to 95%, non-condensing
        • Installation environment:
          Industrial control enclosure
        • 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 Applications Diagnostics Configuration & Programming Operating Environment

        Features:

        • Monitors thirty-two supervised 24 VDC digital inputs.
        • Provides 1 ms sequence-of-events resolution.
        • Uses TMR processing with online force-to-value diagnostics.
        The configured part is the 3506X supervised input module for Tricon CX expansion hardware.

        It combines voted state acquisition with line monitoring and high-resolution event time stamping.

        Correct operation depends on the approved chassis, termination panel, 24 VDC supply and external EOL resistors.

        Availability is subject to Apter Power inventory and sourcing confirmation.
        Verified resources for Triconex 3506X: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.
        • Monitors trip contacts and fire-and-gas devices with field-line supervision.
        • Records fast contact transitions for sequence-of-events analysis.
        • Adds thirty-two supervised inputs to a supported Tricon CX expansion chassis.
        • Force-to-value tests confirm the ability of each input path to change state.
        • Line supervision uses external end-of-line resistors to identify wiring abnormalities.
        • One-millisecond SOE time stamps support event reconstruction after a process demand.
        • Input thresholds and supervision behavior are defined in the supported Tricon CX project.
        • The termination design uses two 1.69 kΩ one-percent external resistors per supervised point.
        • SOE collection is enabled only for the channels selected by the application configuration.
        • The module is installed only in a Tricon CX expansion chassis inside an industrial enclosure.
        • Published accuracy and current limits assume the documented 0–60 °C operating range.
        • Field cabling must respect the specified channel isolation and enclosure grounding practice.
        Description
        Triconex 3506X combines thirty-two 24 VDC input channels with line supervision for Tricon CX. Three independent measurement paths process each point and deliver voted state information to the safety application. Thirty-two supervised 24 VDC inputs feed three independent acquisition paths in a Tricon CX expansion chassis.

        Force-to-value diagnostics exercise the input path, while one-millisecond SOE resolution supports detailed event chronology. External end-of-line resistors allow the module to distinguish field wiring conditions when the approved termination design is used. Fast input processing and sequence-of-events handling let the module capture discrete changes while force-to-value diagnostics test each point path.

        This X-series module installs only in a supported Tricon CX expansion chassis. Verify 0–28.8 VDC service, 2.7 kΩ input impedance, 1.69 kΩ end-of-line resistors and the correct external termination panel before commissioning. External end-of-line resistors and the approved termination design establish supervision behavior without changing the electronic module's catalogue identity.
        Alternative Names
        3506X Triconex 3506X 3506 X 3506-X Tricon 3506X Schneider Electric Triconex 3506X 3506X Digital Input Module 3506X Supervised Digital Input Module
        Technical notes
        3506X is limited to Tricon CX expansion chassis; verify both 1.69 kΩ end-of-line resistors and field polarity before enabling supervision.
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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
        What functional feature confirms the identity of 3506X?
        The X suffix, thirty-two supervised points and CX-only installation identify the 3506X module.
        Which platform boundary applies to 3506X?
        Confirm the Tricon CX expansion chassis, ETP, 24 VDC field source and both 1.69 kΩ EOL resistors.
        How does 3506X contribute to the running system?
        It supervises critical contacts and records selected state changes with one-millisecond SOE resolution.
        Where can buyers obtain a confirmed sourcing response for 3506X?
        Apter Power can check the exact revision and provide current condition and lead-time information.
        Which wiring or configuration checks precede a 3506X change?
        Transfer EOL networks and polarity exactly, then test normal, alarm, open-wire and short-circuit behavior.
        What should be supplied with a 3506X datasheet request?
        Provide the module and ETP labels, chassis version, resistor network, point schedule, quantity and destination.

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