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        • Lifecycle status

          Discontinued / Obsolete by OEM
          For 6FM1726-3CA10 manuals and system-matching inquiries, contact Apter Power.

        6FM1726-3CA10

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        Siemens 6FM1726-3CA10 is a WF 726C V1.7 positioning module that uses serial-absolute or incremental encoder feedback to support axis positioning.
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        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.
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        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 6FM1726-3CA10

        • Manufacturer:
          Siemens
        • Part Number:
          6FM1726-3CA10
        • Product Family:
          Siemens Simatic S5
        • Product Type:
          Positioning Module
        • Stock:
          1
        • Encoder Types:
          Serial-absolute or incremental
        • Encoder Connection Points:
          3 (X4, X5, X6)
        • Internal Supply:
          5 V from SIMATIC rack
        • Internal 5 V Current:
          1.3 A without encoder
        • Encoder Supply Load:
          0.3 A maximum per encoder
        • Command-Value Output:
          ±10 V analog
        • Command Output Current:
          2 mA maximum
        • Discrete I/O Level:
          24 V
        • Discrete Output Rating:
          0.4 A
        • Encoder Input Frequency:
          200 kHz before quadrupling
        • Data Transfer Speed:
          1 MHz
        • Rack Space:
          1 SEP
        • Weight:
          1.41 lbs (0.64 kg)
        • 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 Encoders Commands Cabling Rack Fit

        Features:

        • The WF 726C accepts serial-absolute and incremental encoder feedback.
        • Three encoder connection positions are shown on the module interface.
        • The V1.7 order variant is specified without jerk limitation.
        The positioning module separates feedback from the drive command path: encoders report actual position and the module presents a dedicated command-value output.

        The WF 726C hardware arrangement places encoder connectors, a command connector, and discrete I/O on different labeled positions rather than combining them into one interchangeable socket.

        Rack power and external 24 V I/O form distinct electrical circuits, so the rack-supplied internal load should not be confused with an encoder or output load.

        The Siemens 6FM1726-3CA10 WF 726C V1.7 Positioning Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
        Siemens 6FM1726-3CA10 WF 726C V1.7 Positioning 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.

        Feedback Channel Arrangement

        • Feedback ports: X4, X5, and X6 are the three WF 726C actual-value connections.
        • Serial absolute: The hardware guide shows an SSI encoder cable path to those connectors.
        • Incremental: Incremental feedback is another specified encoder method for this order variant.
        • Input role: Each encoder path brings actual-position information into the module.

        Output and Discrete Signals

        • Analog command: The dedicated command-value path carries a bipolar voltage signal.
        • Actual value: Encoder inputs report measured position and are not the analog command output.
        • Discrete I/O: Separate 24 V inputs and outputs serve the module's binary interface functions.
        • Load limits: The analog command and the discrete output have different current ratings.

        Connector and Shielding Details

        • SSI connector: The WF 726C serial-absolute example uses a 15-pin D-sub path at an actual-value port.
        • Unused pins: The SSI example identifies pins that must not be connected to the encoder.
        • Screen bond: The actual-value cable screen is bonded over a large area at cabinet entry.
        • Encoder end: Final wiring follows the specific encoder manufacturer's connection assignment.

        SIMATIC Rack and Supply

        • Space: The WF 726C occupies one SEP rack position.
        • Module power: Its internal 5 V rail is supplied by the SIMATIC rack.
        • Encoder load: The manual states a maximum supply load for each connected encoder.
        • Cooling: The WF 726C hardware table states that no fan component is required.
        Description
        Siemens 6FM1726-3CA10 is the WF 726C V1.7 positioning module in the SIMATIC S5 system. It receives position feedback from serial-absolute or incremental encoders and produces a command-value output for the connected drive-control path; this order variant is specified without jerk limitation.

        The three encoder positions of 6FM1726-3CA10 are shown at the WF 726C feedback connectors. Encoder wiring carries measured-position data into the module, while the command-value connection is a different electrical path; matching the chosen encoder and cable to the correct connector is therefore part of the installation design.

        Mounted in a SIMATIC rack, 6FM1726-3CA10 draws its internal 5 V supply from the rack and also presents 24 V discrete input/output functions. The encoder-supply limit applies per connected encoder, whereas the analog command output has its own current limit; those ratings describe different circuits and must not be merged into one load figure.
        Alternative Names
        6FM17263CA10 6FM1726 3CA10 6FM 1726 3CA10 Siemens 6FM1726-3CA10 Siemens 6FM17263CA10 6FM1726-3CA10 WF 726C WF 726C V1.7 6FM1726-3CA10 Siemens WF 726C V1.7 positioning module
        Technical notes
        The Siemens 6FM1726-3CA10 WF 726C V1.7 has three encoder connection positions, a separate command-value output, and 24 V input/output circuitry in the SIMATIC rack architecture. Siemens specifies this order variant without jerk limitation. Numeric electrical ratings shown here are from the Siemens WF 726C series hardware manual.
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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
        Is 6FM1726-3CA10 the V1.6 or V1.7 WF 726C variant?
        Siemens identifies 6FM1726-3CA10 as WF 726C V1.7; the complete order number should be retained when specifying the required variant.
        If a machine uses serial-absolute feedback, does 6FM1726-3CA10 cover that encoder method?
        The Siemens 6FM1726-3CA10 order description names both serial-absolute and incremental encoder feedback; the selected WF 726C interface guide shows the actual-value connector positions.
        Does 6FM1726-3CA10 include a jerk-limitation function?
        No. Siemens explicitly describes 6FM1726-3CA10 as the WF 726C V1.7 variant without jerk limitation.
        Why should the encoder connection not be confused with the command output on 6FM1726-3CA10?
        Encoder paths feed actual-position data into 6FM1726-3CA10, whereas its separate analog connection carries a command value out toward the drive-control path.
        How is the 5 V requirement of 6FM1726-3CA10 met in a SIMATIC rack?
        Rack power provides the internal 5 V rail for the WF 726C; the 6FM1726-3CA10 encoder and discrete I/O loads are separate considerations.
        What is significant about the unused SSI pins in the 6FM1726-3CA10 WF 726C cable example?
        Unused pins in the WF 726C SSI example must be insulated rather than wired to the encoder; 6FM1726-3CA10 cabling also follows the encoder's pinout.

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