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          Active / Available from OEM
          For 6ES7131-6BF00-0CA0, Apter Power provides manuals and ET 200SP BaseUnit matching support.

        6ES7131-6BF00-0CA0

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        1001 reviews ｜ Need a Specific Revision?
        Siemens 6ES7131-6BF00-0CA0 is an ET 200SP High Feature digital input module that acquires eight 24 V DC P-reading signals with configurable filtering and channel diagnostics.
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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 6ES7131-6BF00-0CA0

        • Manufacturer:
          Siemens
        • Part Number:
          6ES7131-6BF00-0CA0
        • Product Family:
          Siemens Simatic ET 200SP
        • Product Type:
          SIMATIC ET 200SP DI 8x24 V DC High Feature Digital Input Module
        • Stock:
          1
        • Digital Inputs:
          8
        • Input Design:
          Sink input, P-reading
        • Input Type:
          Type 1 and Type 3 according to IEC 61131
        • Rated Voltage:
          24 V DC
        • Permissible Supply:
          19.2-28.8 V DC
        • Signal 0 Range:
          -30 to +5 V
        • Signal 1 Range:
          +11 to +30 V
        • Input Current:
          Typically 2.5 mA
        • Input Delay:
          Configurable from 0.05 to 20 ms
        • Pulse Stretching:
          Configurable
        • Sensor Supplies:
          8 short-circuit-protected outputs
        • Hardware Interrupts:
          Rising and falling edge, configurable by channel
        • Diagnostic Functions:
          Supply voltage, short circuit, wire break, and parameter error
        • Process Image:
          1 input byte plus 1 value-status byte
        • Maximum Submodules:
          4
        • Required BaseUnit:
          Type A0
        • Weight:
          0.08 lbs (0.037 kg)
        • Estimated shipping dimensions:
          6.8×7.8×2.7cm
        • Tariff Code:
          85389091
        • Country of origin:
          Germany
        • 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 BaseUnit Wiring Signal Timing Channel Diagnosis Shared Inputs

        Features:

        • Eight P-reading input channels combine process values with a separate value-status byte.
        • Per-channel delay, pulse stretching, and edge interrupts shape how field changes reach the controller.
        • Short-circuit, wire-break, supply, and parameter diagnostics identify faults along individual input paths.
        Siemens 6ES7131-6BF00-0CA0 adds High Feature signal conditioning to a 15 mm ET 200SP position rather than acting as a basic contact reader.

        Its A0 BaseUnit carries the removable field conductors and determines whether the module begins or continues a station potential group.

        Configurable submodules and multi-usage input functions allow the same physical channels to participate in supported shared-device data arrangements.

        The Siemens 6ES7131-6BF00-0CA0 SIMATIC ET 200SP DI 8x24 V DC High Feature Digital Input Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6ES7131-6BF00-0CA0 SIMATIC ET 200SP DI 8x24 V DC High Feature Digital Input Module 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.

        Building the field terminals and potential group

        • A0 Interface: The module plugs into a type A0 BaseUnit that carries the field terminals.
        • Three-Wire Sensors: AUX terminals on the appropriate BaseUnit complete the third conductor path.
        • New Potential Group: A light-coloured BaseUnit introduces the supply for a new potential group.
        • Group Continuation: A dark BaseUnit passes an existing potential group to the next module position.

        Controlling which input changes become process events

        • Input Filter: The selected channel delay rejects transitions shorter than the configured interval.
        • Pulse Stretch: A valid change can be held long enough for the controller cycle to capture it.
        • Rising Edge: An upward transition can issue a hardware interrupt when that event is enabled.
        • Falling Edge: A separate setting can report the downward transition of the same channel.

        Locating faults from the supply path to the input point

        • Missing Supply: The module reports when its input load-group supply is absent.
        • Encoder Short: A short circuit on a sensor-supply path is assigned to the affected channel.
        • Wire Break: The wire-break function detects the documented open-circuit condition when enabled.
        • Local Indication: Channel-fault LEDs identify the input associated with the diagnostic record.

        Dividing one module for supported multi-controller access

        • Submodule Split: The eight channels can be assigned among as many as four configurable submodules.
        • Shared Device: Different IO controllers can own separate submodules in a supported shared-device project.
        • MSI Access: Multi-usage input functions expose selected input data to additional IO controllers.
        • Physical Wiring: Controller ownership changes the data assignment without duplicating the field terminals.
        Description
        Siemens 6ES7131-6BF00-0CA0 is a High Feature digital input module for the SIMATIC ET 200SP distributed I/O system. It acquires eight 24 V DC P-reading field signals and transfers both the channel states and their value status through the station process image.

        A type A0 BaseUnit provides the field terminals for 6ES7131-6BF00-0CA0. One-, two-, or three-wire devices can be arranged through that terminal base, and the first light-coloured BaseUnit begins a potential group while dark BaseUnits continue an existing group.

        Input processing in 6ES7131-6BF00-0CA0 can be adapted per channel before the state reaches the controller. The configurable delay filters short changes, pulse stretching holds a qualifying event for the selected time, and rising or falling edges can generate hardware interrupts when enabled.

        Diagnostics on 6ES7131-6BF00-0CA0 distinguish missing supply voltage, encoder-supply short circuit, wire break, parameter errors, and a temporarily unavailable channel. Channel-fault LEDs work alongside DIAG, PWR, and channel-state indications so the local display and the controller record refer to the same input path.

        For shared-device projects, 6ES7131-6BF00-0CA0 can divide its channels into as many as four configurable submodules. Multi-usage input functions expose selected channel data to more than one IO controller without changing the physical field connection.
        Alternative Names
        6ES71316BF000CA0 6ES7 131-6BF00-0CA0 6ES7 131 6BF00 0CA0 Siemens 6ES7131 6BF00 0CA0 SIMATIC 6ES7131-6BF00-0CA0 6ES7131-6BF00-0CA0 DI 8x24VDC HF 6ES7131-6BFOO-OCAO 6ES7I31-6BF00-0CA0
        Technical notes
        Siemens 6ES7131-6BF00-0CA0 combines eight P-reading inputs with configurable delays, pulse stretching, interrupts, and channel diagnostics. Select a type A0 BaseUnit for installation.
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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
        Which BaseUnit is required beneath Siemens 6ES7131-6BF00-0CA0?
        Siemens 6ES7131-6BF00-0CA0 uses an ET 200SP type A0 BaseUnit; choose the light or dark version according to whether the module starts or continues a potential group.
        How can a short input pulse be captured by Siemens 6ES7131-6BF00-0CA0?
        On Siemens 6ES7131-6BF00-0CA0, configure pulse stretching for the channel so a valid transition remains present long enough for the controller process image.
        Why can wire-break diagnostics on Siemens 6ES7131-6BF00-0CA0 require a parallel resistor?
        With a floating contact, Siemens 6ES7131-6BF00-0CA0 needs the documented 25-45 kOhm parallel resistance so the channel can distinguish an open conductor from a normal open switch.
        What does a channel-fault LED mean on Siemens 6ES7131-6BF00-0CA0?
        A channel-fault LED on Siemens 6ES7131-6BF00-0CA0 points to a diagnostic condition such as sensor-supply short circuit or wire break; read the controller record for the exact event.
        Can separate controllers use different inputs from Siemens 6ES7131-6BF00-0CA0?
        Yes. In a supported shared-device project, Siemens 6ES7131-6BF00-0CA0 can split its channels into configurable submodules assigned to different IO controllers.
        How should the input delay be chosen on Siemens 6ES7131-6BF00-0CA0?
        Choose the Siemens 6ES7131-6BF00-0CA0 delay by balancing rejection of short disturbances against the response time required for that specific field signal.

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