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        • Lifecycle status

          Active / Available from OEM
          Apter Power can supply LS-401-C2 once the installed LS-400 head and controller interface have been confirmed.

        LS-401-C2

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        Panasonic LS-401-C2 is the cable amplifier used to teach an LS-400 laser head and deliver its inspection decisions to an NPN control system.
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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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        Technical specifications for LS-401-C2

        • Manufacturer:
          Panasonic
        • Part Number:
          LS-401-C2
        • Product Family:
          Panasonic
        • Product Type:
          LS-400 Cable-Type Laser Sensor Amplifier
        • Stock:
          1
        • Product Role:
          Cable-type LS-400 amplifier
        • Supply:
          12-24 VDC +/-10%
        • Outputs:
          Two NPN open-collector outputs
        • Response Modes:
          H-SP, FAST, STD, U-LG
        • External Input:
          Laser halt, full-auto teaching or limit teaching
        • Cable:
          2 m, five core
        • Cable Extension:
          Up to 100 m with specified conductor
        • Mass Basis:
          Approximate product mass
        • Weight:
          0.065 kg
        • Tariff Code:
          Please confirm the destination before shipping
        • Country of origin:
          Japan
        • 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 Head Pairing Teaching Logic Fault Checks Applications

        Features:

        • Separate signal processing: Teaching and output logic remain accessible even when the optical head is inside the machine.
        • Dual decision outputs: Two NPN channels support separate thresholds or machine responses when configured correctly.
        • External command path: The cable-type version provides an input for controlled teaching or laser-emission functions.
        LS-401-C2 is the amplifier side of an LS-400 sensing pair and cannot detect a target without a supported head.

        Stored thresholds, timing and response modes are part of the application and must be captured before replacement.

        Final acceptance proves the head signal, display, both outputs and any external-input action as separate functions.

        Apter Power can help confirm the Panasonic LS-401-C2 LS-400 Cable-Type Laser Sensor Amplifier, sensor-head pairing and NPN control interface before quotation.
        Panasonic LS-401-C2 LS-400 Cable-Type Laser Sensor Amplifier 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.
        • Approved combinations: Match the attached head against Panasonic LS-400 compatibility information.
        • Application record: Store the head code and amplifier code together so either service item can be selected correctly.
        • Optical dependence: Amplifier performance cannot compensate for an unsuitable sensing geometry or damaged head.
        • Variant control: Do not substitute a PNP amplifier when the controller expects the NPN LS-401-C2.
        • Mode capture: Record the active response and teaching modes before removing the old amplifier.
        • Real-part teaching: Use actual good and bad conditions rather than an easy bench sample.
        • Threshold proof: Cycle production variation to confirm the decision margin, not only a single transition.
        • Timer review: Verify any delay or one-shot function because it changes machine sequence behavior.
        • Display versus output: A changing value with a static PLC point directs attention to output wiring or logic.
        • External input: An asserted teach or laser-halt conductor can suppress normal behavior without an amplifier failure.
        • Head signal: A fixed reading should trigger head, cable and optical checks before amplifier replacement.
        • Common reference: Confirm the NPN return path when both outputs appear unavailable.
        • Remote optical setup: Keeps threshold controls accessible while the laser head remains at the sensing position.
        • Two-level decisions: Supports separate windows or machine responses using the dual output architecture.
        • Fast part detection: Selects a response mode appropriate to rapid events after signal margin is proven.
        • LS-400 maintenance: Replaces a documented cable-type amplifier while retaining the verified sensor head.
        Description
        A compatible LS-400 head supplies the optical signal, while LS-401-C2 provides the accessible teaching and decision interface. The pair is useful when the sensing head must remain compact but operators still need threshold adjustment away from the target area.

        An external command line on LS-401-C2 can participate in normal teaching or laser-halt functions. After rewiring, an unexpected state on that line should be checked before the head or amplifier is judged faulty.

        For a service replacement, retain the head identity, learned thresholds, timing behavior, output assignments and controller common associated with LS-401-C2. Final teaching should use production parts so the restored decision window reflects the actual process rather than a bench target.
        Alternative Names
        LS401C2
        Technical notes
        Record the connected sensor-head code, output assignments, response mode, timer settings and teaching values before removing LS-401-C2. Confirm the PLC inputs are NPN compatible and isolate power during wiring. After replacement, teach with production targets, exercise the external input and prove both outputs instead of accepting the display alone.
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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
        An LS-401-C2 replacement powers up but shows no useful signal. Which component should be checked first?
        Confirm the connected head is supported, fully seated and optically aligned before changing teaching or replacing the amplifier again.
        Both LS-401-C2 outputs switch on the display but not at the PLC. What common cause should be tested?
        Verify the NPN common reference, output conductors and controller input type because both channels share the interface boundary.
        A machine has sourcing PNP inputs, but the available spare is LS-401-C2. Can a setting make the outputs compatible?
        No. LS-401-C2 provides sinking NPN outputs; use the documented PNP amplifier variant or redesign the interface under engineering control.
        LS-401-C2 changes behavior after an external-input cable is reconnected. What should maintenance inspect?
        Check the conductor function and active state because laser halt or teaching commands can override normal sensing behavior.
        A machine needs faster detection from LS-401-C2. Is choosing H-SP mode sufficient by itself?
        No. Revalidate signal margin, target variation, amplifier timing and PLC sampling at real production speed.
        Can LS-401-C2 be ordered without identifying the existing sensor head?
        Avoid that. Record the head model and required sensing mode so the amplifier is verified as an approved combination.

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